Friday, 10 October 2014

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Cetirizine Impurity 6 NA C11H14Cl2O2S 281.2
Cetirizine Impurity 7 NA C23H23ClN2O2S 426.97
Cetirizine Impurity 8 DiHCl 200707-85-3 C21H26ClN3O2. 2 HCl 387.91 2 36.46
Cetirizine Impurity (4-Chlorobenzophenone) C13H9ClO 216.67
Cetirizine Lactose Ester C33H45ClN2O13 713.19
Deschloro Cetirizine Dihydrochloride 83881-54-3 C21H26N2O3 . HCl 354.45 36.46
Cetirizine Methyl Ester C22H27ClN2O3 402.93
(S)-Cetirizine 130018-76-7 C21H25ClN2O3.2 HCl 388.90 2 36.46
4-Chloro Benzhydrol (Meclozine EP Impurity B) 119-56-2 C13H11ClO 218.69
Cetirizine Impurity D 346451-15-8 C30H28Cl2N2. 487.48
Cetirizine Related Compound 108983-83-1 C19H24N2O 2HCl 296.42 2x36.46
Cetirizine Propanediol Ester Impurity N/A C24H31ClN2O4 446.98
Cetirizine Glycerol Ester Impurity N/A C24H31ClN2O5 462.98
Cetirizine Related Compound D N/A C22H27ClN2O3 402.93
Cetirizine diHCl 83881-52-1 C21H25ClN2O3. 2 HCl 388.90 2 36.46
Cetirizine 3-chloro Impurity 1232460-29-5 C21H25ClN2O3 388.9
(R)-Cetirizine N-Oxide DiHCl 442863-80-1 (free base) C21H25ClN2O4. 2 HCl 404.90 2 36.46
Cetirizine N-Oxide DiHCl 1076199-80-8 (free base) C21H25ClN2O4. 2 HCl 404.90 2 36.46
(S)-Cetirizine-d4 130018-76-7(non-d) C21H25ClN2O3.2 HCl 388.90 2 36.46
Cetirizine Impurity D DiHCl 856841-95-7 C30H28Cl2N2. 2 HCl 487.48 2 36.46
(R)-Cetirizine Polyethylene Glycol Ester C21H25ClN2O3[C2H4O]n 388.90[44.05]n
Cetirizine N,N-Dioxide DiHCl C21H25ClN2O5. 2 HCl 420.90 2 36.46
Cetirizine Sorbitol Ester Impurity HCl 13848888-64-5 (free base) C27H37ClN2O8. HCl 553.06 36.46
(R)-Cetirizine diHCl (Levocetirizine diHCl) 130018-87-0 C21H25ClN2O3. 2 HCl 388.90 2 36.46
(R)-Cetirizine-d4 130018-77-8(non-d) C21H25ClN2O3.2 HCl 388.90 2 36.46
Cetirizine-d8 774596-22-4 C21H17ClN2O3D8.2 HCl 396.95 2 36.46
Cetirizine Impurity A 303-26-4 C17H19ClN2 286.81
Cetirizine Impurity B NA C19H21ClN2O2 344.84
(s)-(-)-Carbidopa-d3 1276732-89-8 C10H11N2O4D3 229.25
Carbidopa C10H14N2O4 226.23
Carbidopa-d6 N/A C10H8N2O4D6 232.27
2-Bromo Carbidopa 1246817-47-9 C10H13BrN2O4 305.13
3-Bromo Carbidopa 1246819-09-9 C10H13BrN2O4 305.13
6-Hydroxy Chlorzoxazone 1750-45-4 C7H4ClNO3 185.57
6-Hydroxy Chlorzoxazone-d2 1750-45-4(non-d) C7H2ClNO3D2 187.58
Chlorzoxazone-d3 95-25-0(non-d) C7HClNO2D3 172.59
6-Hydroxy Chlorzoxazone-15N-d2 1750-45-4 (non-d) C7H2ClNO3D2 188.57
Chlorzoxazone C7H4ClNO2 169.57
Chlorpyriphos-d10 39475-55-3 (non-d) C9HCl3NO3PSD10 360.65
Chlorpyriphos impurity (O,O-bis-(3,5,6-trichloropyridin-2-yl) hydrogen thiophosphate) C10H3Cl6N2O3PS 474.9
Clofibric acid-d4 882-09-7 (non-d) C10H7ClO3D4 218.67
Clofibrate-d4 637-07-0 (non-d) C10H7ClO3D4 246.73
Clofibric acid-acyl-beta-D-Glucuronide 72072-47-0 C16H19ClO9 390.78
Clonidine-d4 HCl 67151-02-4(non-d) C9H5Cl2N3D4.HCl 34.12 36.46
4-Hydroxy Clonidine 57101-48-1 C9H9Cl2N3O 246.1
Clotrimazole-d5 23593-75-1 (non-d) C22H12ClN2D5 349.87
1-(2-Chlorophenyl-diphenylmethyl)-1H-pyrazole 289905-88-0 C22H17ClN2 344.85
2-Chlorophenyl-phenyl-dichloromethane 3509-85-1 C13H9N3 271.58
2-Chlorophenyl-diphenylmethane 56153-60-7 C19H15Cl 278.78
Clotrimazole 23593-75-1 C22H17ClN2 344.85
Clotrimazole Impurity A 66774-02-5 C19H15ClO 294.78
Clotrimazole Impurity B 23593-71-7 C22H17ClN2 344.85
Clotrimazole Impurity C 42074-68-0 C19H14Cl2 313.23
Clotrimazole Impurity E 08-03-5162 C13H9ClO 216.67
Clotrimazole Impurity F 15469-97-3 C22H18N2 310.4
2-Chlorophenyl-trichloromethane 2136-89-2 C7H4Cl4 229.92
Cortisone-d2 53-06-5 (non-d) C21H26O5D2 362.47
20-beta-Dihydrocortisol-d4 N/A C21H28O5D4 368.51
Hydrocortisone Impurity D 53-35-0 C21H30O6 378.47
Hydrocortisone Impurity H N/A C21H30O6 378.47
Hydrocortisone Impurity I 103795-84-2 C21H30O6 378.47
Hydrocortisone Impurity M 566-35-8 C21H30O5 362.47
Hydrocortisone Impurity N N/A C42H58O10 722.92
Hydrocortisone Impurity O N/A C21H30O6 378.47
6-beta-Hydroxycortisol Glucuronide N/A C27H38O12 554.6
6-beta-Hydroxycortisol Sulfate 53587-06-7 C21H30O9S 458.53
21-Deoxy Cortisone 1882-82-2 C21H28O4 344.45
Cortisol-d2 50-23-7(non-d) C21H28O5D2 364.48
17alpha,20beta-Dihydroxy-4-pregnen-3-one C21H32O3 332.49
17alpha,20beta-Dihydroxy-4-pregnen-3-one-d4 C21H28O3D4 336.51
6-Dehydrocortisol Acetate 21940-45-4 C23H30O6 402.49
21-Chloro Hydrocortisone C21H27ClO3 362.9
21-Deoxy Hydrocortisone C21H28O3 328.46
Hydrocortisone Impurity G 14760-49-7 C21H28O5 360.45
Hydrocortisone Impurity L (Oxenol) C21H30O4 346.47
Hydrocortisone Impurity K 640-87-9 C23H32O5 388.51
Cortisol-d4 73565-87-4 C21H26O5D4 366.49
11-Deoxycortisol-d2 NA C21H28O4D2 348.48
Tetrahydro-11-deoxy Cortisol C21H34O4 350.5
Tetrahydro-11-deoxy Cortisol-d5 C21H29O4D5 355.53
Cortisol-d5 N/A C21H25O5D5 367.5
20-beta-Dihydrocortisol 116-58-5 C21H32O5 364.49
20-beta-Dihydrocortisol-d5 N/A C21H27O5D5 369.52
Cyproterone Acetate Impurity F (Cyproterone) 2098-66-0 C22H27ClO3 374.91
Cyproterone Impurity I 13698-49-2 C23H27ClO4 402.92
Cyproterone Impurity E 17184-05-3 C24H30O5 398.5
Cyproterone Impurity B C25H32O5 412.53
Cyproterone Impurity G C24H31ClO5 434.96
Cyproterone Impurity C C24H30Cl2O4 453.41
Cyproterone Impurity A C24H30O4 382.5
Cyproterone Impurity J 15423-97-9 C24H30O5 398.5
Cyproterone-d5 2098-66-0 (non-d) C24H26ClO3D5 407.97
Cyproterone acetate 427-51-0 C24H29ClO4 416.95
Cyproterone acetate-13C2-d3 427-51-0 (non-d) C26H30ClO4D3 450.02
Cyproterone acetate-d5 427-51-0 (non-d) C26H28ClO4D5 450.02
15-Hydroxy cyproterone C24H31ClO4 418.97
15-Hydroxy cyproterone acetate C26H33ClO5 461
Cyproterone Acetate-d3 C24H26ClO4D3 419.97
15-beta-Hydroxy Cyproterone 65423-26-9 C24H29ClO5 432.95
Creatinine-d3 143827-20-7(non-d) C4H4N3OD3 116.14
Cyanazine-d5 C9H8ClN6D5 245.73
Cyclobenzaprine-d3 HCl 352431-15-3 C20H18ND3.HCl 278.42 36.46
Cyclobenzaprine Related Compound  A 18029-54-4 C20H23NO 293.41
3-Hydroxy Cyclobenzaprine 30235-48-4 C20H21NO 291.4
3,5-Dihydroxy-N-Methylprotriptyline 30235-47-3 C20H23NO2 309.4
Cyclobenzaprine 303-53-7 C20H21N 275.4
Cyclobenzaprine-13C-d3 303-53-7(non-d) C20H18ND3 279.4
Cyclobenzaprine N-Glucuronide (mixture of isomers) C26H29NO6 451.52
Cyclobenzaprine N-oxide 6682-26-4 C20H21NO 291.4
N-Desmethyl Cyclobenzaprine-d3 HCl C19H16ND3. HCl 264.39 36.46
N-Desmethyl Cyclobenzaprine HCl C19H19N.HCl 261.37 36.46
Cyclobenzaprine-d6 HCl C20H15ND6.HCl 281.43 36.46
Cyclobenzaprine-N-Glucuronide-d3 (mixture of isomers) Bromide C26H27NO6D3.Br 455.55 79.90
Clauvanic Acid Impurity A C8H12N2O2 168.2
Clavulanic acid-d4 C8H5NO5D4 203.19
Clavulanic Acid Impurity G C13H15NO6 281.27
Clauvanic Acid Impurity B C11H16N2O4 240.26
Clauvanic Acid Impurity C 86917-74-0 C10H16N2O2 196.25
Clauvanic Acid Impurity D C7H9NO3 155.15
Clauvanic Acid Impurity E C16H18N2O10 398.33
Clauvanic Acid Impurity F C13H14N2O5 278.27
Clauvanic Acid Impurity G C26H26N2O11 542.5
Potassium Clavulanate 61177-45-5 C8H8NO5. K 198.16 39.10
Clavulanic Acid Imidazole-d3 Derivative C10H10N3O3D3 226.25
Chlorguanide (Proguanil) 500-92-5 C11H16ClN5 253.74
Chlorguanide-d6 HCl 500-92-5 (non-d) C11H10ClN5D6.HCl 259.77 36.46
Chlorguanide Impurity A (Proguanil Impurity A) 44830-55-9 C5H10N4 126.16
Cycloguanil 516-21-2 C11H14ClN5 251.72
Cycloguanil-d6 516-21-2 (non-d) C11H8ClN5D6 257.76
Capecitabine-d11 154361-50-9 (non-d) C15H11FN3O6D11 370.42
3’-(5’-Deoxy-Alfa-D-ribofuranoyl) Capecitabine 1262133-68-5 C20H30FN3O9 475.48
Capecitabine impurity E 910129-15-6 C15H22FN3O6 359.36
Capecitabine impurity F 162204-30-0 C15H22FN3O6 359.36
alpha-Capecitabine C15H22FN3O6 359.36
2’, 3’-Di-O-acetyl-5’-Deoxy-5-Fluoro-D-Cytidine 161599-46-8 C13H16FN3O6 329.29
2’, 3’-Di-O-acetyl-5’-Deoxy-5-Fluoro-N4-(Pentoxycarbonxyl)-Cytidine 162204-20-8 C19H26FN3O8 443.43
Capecitabine Related Compound C 921769-65-5 C16H20FN3O7 385.35
Capecitabine Related Compound (alpha-isomer) C13H16FN3O6 329.29
Capecitabine 154361-50-9 C15H11FN3O6D11 359.36
5'-DFCR (5'-Deoxy-5-fluorocytidine) 66335-38-4 C9H12FN3O4 245.21
5'-DFUR (5'-Deoxy-5-fluorouridine, Doxifluridine) 05-09-3094 C9H11FN2O5 246.2
5'-DFUR-13C5 (5'-Deoxy-5-fluorouridine, Doxifluridine-13C5) 3094-09-5 (non-labeled) C9H11FN2O5 251.22
Tetrahydrouridine 18771-50-1 C9H11FN2O5 246.2
3’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine 1262133-64-1 C20H30FN3O9 475.48
2’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine 1262133-66-3 C20H30FN3O9 475.48
Colchicine-13C-d3 64-86-8-9 (non-d) C22H22NO6D3 403.45
Clarithromycin-13C-d3 81103-11-9 (non-d) C38H66NO13D3 751.98
Clarithromycin Impurity C 127253-06-9 C38H70N2O13 762.99
14-Hydroxy clarithromycin-13C-d3 C38H66NO14D3 767.98
N-Desmethyl Clarithromycin NULL C37H67NO13 733.95
Clarithromycin C38H69NO13 747.97
Clarithromycin N-Oxide C38H69NO14 763.97
Clarithromycin Impurity F C39H72NO13 763.01
Clarithromycin Impurity G C39H72N2O13 777.01
Clarithromycin Impurity H C30H55NO10 589.77
Clarithromycin Impurity E C39H71NO13 762
Cinnarizine 298-57-7 C26H28N2 368.53
Cinnarizine-d8 298-57-7 (non-d) C26H20N2D8 376.58
Cinnarizine Impurity A C17H20N2 252.36
Cinnarizine Impurity B 750512-44-8 C26H28N2 368.53
Cinnarizine Impurity C C35H37N2Cl 521.13
Cinnarizine Impurity D C35H36N2 484.69
(Z)-Cinnarizine-d8 16699-20-0 (non-labelled) C26H20D8N2 376.56
Cinnarizine Impurity E 216581-01-0 C30H30N2 418.59
Cinacalcet (R-Enantiomer) HCl 364782-34-3 C22H22F3N. HCl 357.42 36.46
Cinacalcet Impurity 3 C22H22F3N 357.42
Cinacalcet Impurity 4 HCl C22H20F3N. HCl C22H20F3N. HCl
Cinacalcet Impurity 5 C22H24F3N 359.44
Cinacalcet Impurity 6 C10H9F3 186.18
Cinacalcet Impurity 7 21172-43-0 C11H13F3O3S 282.28
Cinacalcet Impurity 8 C32H31F6N 543.6
Cinacalcet Impurity 9 HCl 253337-60-9 (free base) C22H25N. HCl 303.45 36.46
Cinacalcet Impurity 10 C22H22F3N 357.42
Cinacalcet Dihydro Impurity 1 HCl 1020414-33-8 C22H24F3N HCl 359.44 36.46
Cinacalcet Dihydro Impurity 2 HCl 802918-36-1 (free base) C22H24F3N HCl 359.44 36.46
Cinacalcet-d3 (R-Enantiomer) 226256-56-0 (non-d) C22H19F3ND3 360.44
Cinacalcet impurity 11 C22H26F3N 361.45
Cinacalcet impurity 12 C22H28F3N 363.47
Cinacalcet Defluoro Impurity N/A C22H23F2N 339.43
Cinacalcet Impurity 13 C22H22F3N 357.42
rac Cinacalcet-d3 (methyl-d3) Hydrochloride 364782-34-3 (non-d) C22H22F3N2 HCl 396.9
rac Cinacalcet HCl C22H22F3N . HCl 357.42 36.46
Tetrahydro Cinacalcet Impurity C22H26F3N 361.45
Cinacalcet N-Oxide Impurity 1229224-94-5 C22H21F3NO 372.41
(R)-alpha-Methyl-N-[3-[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethaneamine C20H18F3N 329.37
(S)-Cinacalcet HCl (ent-Cinacalcet HCl) 694495-47-1 C22H22F3N . HCl 357.42 36.46
Cystine-d4 56-89-3 (non-d) C6H8N2O4S2D4 244.33
Taurochenodeoxycholic Acid C26H45NO6S 499.72
Chenodeoxycholic-2,2,4,4-D4 Acid C24H36O4D4 396.61
Taurochenodeoxycholic-2,2,4,4-D4 Acid C26H41NO6SD4 503.74
Cimetidine-d3 C10H13N6SD3 255.36
Cimetidine 51481-61-9 C10H16N6S 252.34
Cimetidine Sulphoxide Dihydrochloride 54237-72-8 C10H16N6OS 2HCl 268.34 2x36.46
Cimetidine Impurity D N/A C9H17N5S 227.33
Cyromazin-d4 C6H6N6D4 170.21
Cytidine-d2 C9H11N3O5D2 245.23
5-Aza-2'-deoxy cytidine-15N4 C8H12N4O4 232.18
Cytidine 5'-Monophosphomorpholidate 4-Morpholine-N,N'-dicyclohexylcarboxamidine Salt 76742-18-2 C18H32N2O . C13H20N4O8P 292.47 391.30
Cytidine-5'-Monophosphate Disodium Salt 08-06-6757 C9H12N3O8P . 2 Na 321.19 2 22.99
Cytidine 65-46-3 C9H13N3O5 243.22
Carebastine 90729-42-3 C32H37NO4 499.66
Carebastine-d5 1189661-02-6 C32H32NO4D5 504.69
Cephalexin 15686-71-2 C16H17N3O4S 347.4
Cephalexin Impurity E 146794-70-9 C13H18N2O4S 298.36
Cephalexin Impurity F N/A C16H17N3O4S 347.4
Cephalexin Impurity J C16H17N3O5S 363.39
Cephalexin Impurity K C24H24N4O5S.CH2O2 480.55 46.03
Cephalexin Diketopiperazine 59865-11-1 C16H17N3O4S 347.4
Cephalexin Impurity A (D-2-Phenylglycine) 875-74-1 C8H9NO2 151.17
Cephalexin Impurity B 22252-43-3 C8H10N2O3S 214.24
Cephalexin Related Compound 37050-97-8 C16H16N3O4S Na 346.39 22.99
Cephalexin-d5 15686-71-2 (non-d) C16H12N3O4SD5 352.43
Cephalexin Sulfoxide 52210-38-5 C16H17N3O5S 363.39
L-Cephalexin 34632-04-7 C16H17N3O4S 347.4
Cephalexin Related Compound (N-Ethoxycarbonyl-7-ADCA) 72820-16-7 C11H14N2O5S 286.31
Cephalexin Phenylglycin C24H24N4O5S 480.55
Cephalexin Dimer C32H32N6O7S2 676.78
Cephalexin Impurity C N/A C24H24N4O5S 480.55
Cephalexin Impurity D 34876-35-2 C5H6O2S 130.17
Chlorpheniramine-d4 maleate 113-92-8 (non-d) C16H15ClN2D4.C4H4O4 278.82 116.07
Chlorpheniramine N-Oxide HCl C16H19ClN2O.HCl 290.80 36.46
Chlorpheniramine-d6 Maleate 1185054-60-7 (free base) C16H13ClN2D6. C4H4O4 280.83 116.07
S-Chlorpheniramine Maleate C16H19ClN2.C4H4O4 274.80 116.07
R-Chlorpheniramine Maleate 23095-76-3 C16H19ClN2. C4H4O4 274.80 116.07
Chlorpheniramine Maleate C16H19ClN2. C4H4O4 274.80 116.07
Chlorpheniramine Impurity D Maleate C17H18ClN3. C4H4O4 299.81 116.07
Chlorphenamine Impurity A Dimaleate C16H24ClN3. 2 C4H4O4 293.84 2 116.07
1-(3-chlorophenyl)-piperazine (m-CPP) C10H13ClN2 196.68
1-(3-chlorophenyl)-piperazine-d8 (m-CPP-d8) C10H5ClN2D8 204.73
Clindamycin-13C-d3 C18H30ClN2O5SD3 429
Clindamycin impurity (deshydro) C18H32N2O5S 388.53
Clindamycin impurity (4-chloro) C18H32Cl2N2O4S 443.44
Clindamycin Sulfoxide-13C, d3 C18H30ClN2O6SD3 445
Clindamycin sulfoxide C18H33ClN2O6S 440.99
Clindamycin 3-Phosphate C18H34ClN2O8PS 504.97
Clindamycin 4-Phosphate C18H34ClN2O8PS 504.97
Clindamycin impurity B 18323-43-8 C17H31ClN2O5S 410.96
Clindamycin impurity C (7-Epi Clindamycin) hydrochloride 16684-06-3 C18H33ClN2O5S  .HCl 424.99   36.5
Clindamycin impurity (sulfone) C18H33ClN2O7S 456.99
Clindamycin impurity (hydrolysis product A) C9H17NO2 171.24
Clindamycin impurity (hydrolysis product B) C9H18ClNO4S 271.77
Cholecalciferol-d7 67-97-0 (non-d) C27H37OD7 391.69
Precalciferol (Previtamin D3) 1173-13-3 C27H44O 384.65
1-alfa-25-Dihydroxycholecalciferol Impurity 1 N/A C27H44O3 416.65
1-alfa-25-Dihydroxycholecalciferol Impurity 2 N/A C27H44O3 416.65
25-Hydroxycholecalciferol C27H44O2 400.65
25-hydroxycholecalciferol-d6 C27H38O3D6 422.69
Cholecalciferol glucuronide C33H52O7 560.78
Cholecalciferol sulfate C27H44O4S 464.71
Cholecalciferol Impurity A (5,6-trans-Cholecalciferol, 5,6-trans-Vitamin D3) 22350-41-0 C27H44O 384.64
Cholecalciferol Impurity D (iso-Tachysterol 3) 22350-43-2 C27H44O 384.64
Cholecalciferol Impurity E (Tachysterol 3) 17592-07-3 C27H44O 384.64
Cholecalciferol Impurity C (lumisterol 3) 07-01-5226 C27H44O 384.64
Cefprozil 92665-29-7 C18H19N3O5S 389.43
Cefprozil-d4 92665-29-7 (non-d) C18H15N3O5SD4 393.46
Cholesterol-d7 C27H39OD7 393.71
20(R), 22(R)-Dihydroxy Cholesterol 53448-11-6 C27H46O3 418.67
Cholestane-3β,5α,6β-triol 1253-84-5 C27H48O3 420.68
Cholestane-3β,5α,6β-triol-d5 C27H43O3D5 425.71
7a,12a-Dihydroxycholest-4-en-3-one-d3 N/A C27H41O3D3 419.67
22-alpha-Hydroxy Cholesterol 17954-98-2 C27H46O2 402.67
(3-beta)-7-Dehydrocholesterol (Cholesta-5,7-dien-3-beta-ol) 434-16-2 C27H44O 384.65
7-Dehydro Desmosterol 1715-86-2 C27H42O 382.64
7-Dehydro Desmosterol-d6 N/A C27H36OD6 388.67
Desmosterol-D6 C27H38D6O 390.69
Cholesterol-d4 C27H42OD4 390.69
Cholesterol-d6 C27H40OD6 392.71
4-Hydroxy Cholesterol C27H46O2 402.67
4-beta-Hydroxy Cholesterol-d7 1246302-80-6 C27H39O2D7 409.71
27-Hydroxy 7-ketocholesterol C27H44O3 416.65
27-Hydroxy 7-ketocholesterol-d10 C27H34O3D10 426.71
27-Carboxy 7-Ketocholesterol C27H42O4 430.63
27-Carboxy 7-Ketocholesterol-d10 C27H32O4D10 440.69
Cyclosporine C62H111N11O12 1202.64
Cyclosporin D 63775-96-2 C63H113N11O12 1216.67
Cotinine C10H12N2O 176.22
Trans 3-hydroxy cotinine-D3 C10H9N2O2D3 195.24
Norcotinine C9H10N2O 162.19
Norcotinine N-Oxide C9H10N2O2 178.19
Cotinine-d4 110952-70-0 (non-d) C10H8N2OD4 180.24
Cotinine-d7 15569-85-4 (non-labelled) C10H5N2OD7 183.28
Cotinine N-Oxide C10H12N2O2 192.22
Cotinine N-glucuronide C16H20N2O7 352.35
Cotinine-d3 110952-70-0(non-d) C10H9N2OD3 179.24
Trans 3-hydroxy cotinine C10H12N2O2 192.22
Lysine Clonixinate 55837-30-4 C13H11ClN2O2. C6H14N2O2 262.70 146.19
Clonixin 17737-65-4 C13H11ClN2O2 262.7
Clonixin-D6 C13H5ClN2O2D6 268.73
Cholic-2,2,4,4-D4 Acid C24H36O5D4 412.61
Glycochenodeoxycholic acid-d4 N/A C26H39NO5D4 453.66
Cholic Acid Impurity (3-alpha-Hydroxy-7,12-diketo-5-beta-cholan-24-oic acid) 517-33-9 C24H36O5 404.55
3-Oxo Deoxycholic Acid 2304-89-4 C24H38O5 406.57
12-Oxochenodeoxycholic Acid 04-08-2458 C24H38O5 406.57
Cholic Acid Impurity (3-alpha-Hydroxy-12-Oxo-5-beta-Cholanoic Acid) 5130-29-0 C24H38O4 390.57
Cholic acid impurity, 1,3,7-trihydroxyl-cholanic acid C24H40O5 408.58
Cholic Acid Impurity (3,7,22-Trihydroxyl-Cholanic Acid) 108266-90-6 C24H40O5 408.58
Ursocholic acid 2955-27-3 C24H40O5 408.58
Cholic Acid Impurity (5-beta-Cholane-3-alpha-7-beta-24-Triol) 130593-75-8 C24H42O3 378.6
Isoursodeoxycholic Acid 78919-26-3 C24H40O4 392.58
Taurocholic-2,2,4,4-D4 Acid C26H41NO7SD4 519.74
Taurocholic Acid C26H45NO7S 515.72
Cholic Acid C24H40O5 408.58
Taurodeoxycholic acid 516-50-7 C26H45NO6S 499.72
Taurodeoxycholic acid-d4 N/A C26H41NO6SD4 503.74
Glycocholic acid 475-31-0 C26H43NO6 465.64
Glycocholic acid-d4 N/A C26H39NO6D4 469.66
Glycochenodeoxycholic acid 640-79-9 C26H43NO5 449.64
alpha-Cypermethrin C22H19Cl2NO3 416.31
Choline Citrate 3(C5H14NO)•C6H5O7 3 104.17•189.10
Choline Dihydrogen Citrate 77-91-8 C5H14NO.C6H7O7 104.17 191.12
Phosphocholine-d9 C5H5NO4PD9 192.2
DPPC (Dipalmitoylphosphatidylcholine) 2644-64-6 C40H80NO8P 734.06
Uridine Diphosphate Choline (UDPC) 99492-83-8 C14H25N3O12P2 489.32
Citicoline Sodium Salt (CDP-Choline) 33818-15-4 C14H25N4O11P2. Na 487.32 22.99
Carprofen 53716-49-7 C15H12ClNO2 273.72
Chlorambucil 305-03-3 C14H19Cl2NO2 304.22
Chlorambucil-d8 305-03-3 (non-d) C14H11Cl2NO2D8 312.27
Phenylacetic acid mustard 10477-72-2 C12H15Cl2NO2 276.16
Phenylacetic acid mustard-d8 10477-72-2 (non-d) C12H7Cl2NO2D8 284.21
3,4-Dehydrochlorambucil N/A C14H17Cl2NO2 302.2
Clocinizine 298-55-5 C26H27ClN2 402.97
Clocinizine-d8 298-55-5 (non-d) C26H19ClN2D8 411.04
Carisoprodol-d3 78-44-4 (non-d) C12H21N2O4D3 263.35
Carisoprodol 78-44-4 C12H24N2O4 260.34
Carisoprodol-d7 C12H17N2O4D7 267.38
Carisoprodol impurity B 7148-50-7 C8H14O3 158.2
Carisoprodol impurity C 78-26-2 C7H16O2 132.2
Carisoprodol isopropyl impurity 1729-14-2 C15H30N2O4 302.42
Carisbamate (RWJ-333369) 194085-75-1 C9H10ClNO3 215.64
Carisbamate-15N-13C-d2 194085-75-1 (non labeled) C9H8ClNO3D2 219.63
Carisbamate glucuronide (mixture of diasteromers) N/A C15H18ClNO9 391.77
R-Carisbamate (RWJ-452399) C9H10ClNO3 215.64
R-Carisbamate-15N-13C-d2 C9H8ClNO3D2 219.63
R-Carisbamate glucuronide (mixture of diasteromers) C15H18ClNO9 391.77
Carisbamate-d4 1292841-50-9 C9H6ClNO3D4 219.66
Chlormadinone Acetate 302-22-7 C23H29ClO4 404.94
3-Hydroxy Chlormadinone Acetate-d3 C22H26ClO4D3 395.95
3-Hydroxy Chlormadinone Acetate-13C-d3 C22H26ClO4D3 397.92
Chlormadinone-d6 Acetate C23H23ClO4D6 410.97
Chlormadinone 1961-77-9 C21H27ClO3 362.9
Chlormadinone-d7 C21H20ClO3D7 369.94
Chlormadinone-d7 Acetate C23H22ClO4D7 411.98
Chlormadinone Acetate-d3 C23H26ClO4D3 407.96
Chlormadinone Acetate-13C-d3 C23H26ClO4D3 409.93
3-Hydroxy Chlormadinone C20H27ClO3 350.89
3-Hydroxy Chlormadinone-d5 C21H24ClO3D5 369.95
3-Hydroxy Chlormadinone Acetate 17184-15-5 C22H29ClO4 392.93
Cefaclor-d5 C15H9ClN3O4SD5 372.84
Cefaclor 53994-73-3 C15H14ClN3O4S 367.81
Cefaclor impurity E C14H14ClN3O4S 355.8
Cefaclor Delta-3-Isomer N/A C15H14ClN3O4S 367.81
Cefaclor Impurity C 143059-69-2 C15H14ClN3O4S 367.81
Carbinoxamine-d6 Maleate 3505-38-2 (non-labelled) C16H13ClN2OD6.C4H4O4 296.83 116.07
Carbinoxamine 486-16-8 C16H19ClN2O 290.8
Carbinoxamine Impurity A 27652-89-7 C12H10ClNO 219.67
Carbinoxamine Impurity B 14159-57-0 C12H11NO 185.23
Ciprofibrate 52214-84-3 C13H14Cl2O3 289.16
Ciprofibrate-d6 N/A C13H8Cl2O3D6 295.2
Ciprofibrate-O-Belta-D-Glucuronide N/A C19H22Cl2O9 465.29
Ciprofibrate impurity A C12H14O3 206.24
Ciprofibrate impurity B C9H8Cl2O 203.07
Ciprofibrate impurity C C13H16Cl2O2 275.18
Ciprofibrate impurity D C14H16Cl2O3 303.19
Ciprofibrate impurity E C15H18Cl2O3 317.21
Curcumin C21H20O6 368.39
Curcumin-d6 C21H14O6D6 374.43
Curcumin Glucuronide C27H28O12 544.52
Curcumin Sulfate 339286-19-0 C21H19O9S C16H36N 447.44 242.47
Curcumin Sulfate Sodium Salt 339286-19-0 C21H18O9S. 2 Na 446.44 2 22.99
Campesterol (mixture of isomers) C28H48O 400.69
Coenzyme Q10 303-98-0 C59H90O4 863.37
Coenzyme Q10-d5 303-98-0 (non-labelled) C59H85O4D5 868.4
Coenzyme Q10-d6 303-98-0 (non-labelled) C59H84O4D6 869.41
DL-Carnitine HCl 461-05-2 C7H15NO3.HCl 161.20 36.46
L-(-)-Carnitine 541-15-1 C7H15NO3 161.2
(S)-7-Ethyl-10-Hydroxy Camptothecin C22H20N2O5 392.42
7-Ethyl-10-Hydroxy Camptothecin-d3 N/A C22H17N2O5D3 395.45
7-Ethyl-10-Hydroxy Camptothecin-d5 718612-51-2 C22H15N2O5D5 397.45
7-Ethyl Camptothecin 78287-27-1 C22H20N2O4 376.42
10-Hydroxy Camptothecin 19685-09-7 C20H16N2O5 364.36
7,11-Diethyl-10-hydroxycamptothecin 947687-01-6 C24H24N2O5 420.47
(R)-7-Ethyl-10-Hydroxy Camptothecin C22H20N2O5 392.42
(rac)-7-Ethyl-10-Hydroxy Camptothecin C22H20N2O5 392.42
Clobutinol HCl 1215-83-4 C14H22ClNO.HCl 255.79 36.46
Clofazimine 2030-63-9 C27H24Cl2N4 475.43
Clofazimine-d7 2030-63-9 (non-d) C27H17Cl2N4D7 482.47
Clofazimine Related Compound B C27H23ClN4 438.96
Cefditoren Sodium Salt 104146-53-4 C19H17N6O5S3.Na 505.58 22.99
Cefditoren impurity 9, dimer C51H56N12O14S6 1253.47
Cefditoren impurity 10, ring open dimer C51H59N13O14S6 1270.5
Cefditoren 104145-95-1 C19H18N6O5S3 506.58
Cefditoren Impurity P4 C27H32N6O8S3 664.78
Cefditoren Impurity  P14 C31H38N6O9S3 734.88
Cefditoren Dimer Impurity P16 C50H56N12O14S6 1241.46
Cefditoren-d3 C19H15N6O5S3D3 509.6
Cefditoren Pivoxil 117467-28-4 C25H28N6O7S3 620.73
Cefditoren impurity 2, Cefditoren open ring C25H30N6O8S3 638.74
Cefditoren impurity 4,   cefditoren △-3 isomer C25H28N6O7S3 620.72
Cefditoren impurity 5,   cefditoren, methoxymethyl C27H32N6O8S3 664.77
Cefditoren impurity 6,  cefditoren E-isomer(C=C) C25H28N6O7S3 620.72
Cefditoren impurity 7,   cefditoren dipivoxil C31H38N6O9S3 734.86
Cefditoren impurity 8,  cefditorenPivaloyl C30H36N6O8S3 704.84
N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)cysteine C8H14N2O5S 250.28
Acetylcysteine Impurity C C10H16N2O6S2 324.38
S-Carboxypropyl-L- Cysteine-(R)-Sulfoxide N/A C7H13NO5S 223.25
S-Carboxypropyl-L- Cysteine-(S)-Sulfoxide N/A C7H13NO5S 223.25
Acetylcysteine Impurity A (L-Cystine) 56-89-3 C6H12N2O4S2 240.3
Acetylcysteine Impurity D C7H11NO4S 205.23
Acetylcysteine Impurity B (L-Cysteine) 52-90-4 C3H7NO2S 121.16
S-(1,2-Dichlorovinyl)-Cysteine C5H7Cl2NO2S 216.09
S-(1,2-dichlorovinyl) cysteine-13C3-15N C5H7Cl2NO2S 220.05
S-Carboxymethyl L-Cysteine Sulfoxide Lactam NA C5H7NO4S 177.18
S-Carboxymethyl L-Cysteine Sulfoxide 5439-87-2 C5H9NO5S 195.2
S-Carboxymethyl L-cysteine Lactam 62305-89-9 C5H7NO3 161.18
S-Methyl-L-Cysteine-S-oxide 6853-87-8 C5H11NO3S 165.21
Cefoperazone Impurity A 73240-08-1 C23H23N5O8S 529.53
Cefoperazone Impurity C C2H4N4S 116.14
Cefoperazone Sodium C25H26N9O8S2.Na 644.67 22.99
Cefoperazone Impurity B 711590-76-4 C25H26N9O8S2 644,67
Cefoperazone Impurity F 1315481-36-7 C25H29N9O8S2 647.69
Cefoperazone Impurity D 37539-03-0 C10H11N5O3S2 313.36
Cabergoline Impurity D N/A C23H32N4O 380.54
Cabergoline Impurity A N/A C18H20N2O2 296.37
Cabergoline 81409-90-7 C26H37N5O2 451.62
Cabergoline isomer C26H37N5O2 451.62
Clioquinol EP Impurity A (Cloxyquin) 130-16-5 C9H6ClNO 179.61
Clioquinol EP Impurity B 773-76-2 C9H5Cl2NO 214.05
Clioquinol EP Impurity C 83-73-8 C9H5I2NO 396.96
Clevidipine 167221-71-8 C21H23Cl2NO6 456.33
Clevidipine Impurity 7 91854-02-3 C16H13Cl2NO4 354.19
Clevidipine-d7 C21H16Cl2NO6D7 463.37
Clevidipine Impurity 1 C16H15Cl2NO4 356.21
Clevidipine Impurity 2 C25H29Cl2NO8 542.42
Clevidipine Impurity 3 C17H17Cl2NO4 370.24
Clevidipine Impurity 4 C15H15Cl2NO2 312.2
Clevidipine Impurity 5 C21H21Cl2NO6 454.31
Clevidipine Impurity 6 C15H13Cl2NO4 342.18
Clevidipine isomer C21H23Cl2NO6 456.33
Cis-clomiphene (Zuclomiphene) 15690-55-8 C26H28ClNO 405.97
Trans-clomiphene (enclomiphene) 15690-57-0 C26H28ClNO 405.97
Trans-clomiphene-d5 (enclomiphene-d5) C26H23ClNOD5 411
Clomiphene-N-Oxide C26H28ClNO2 421.97
3-Chloroclomiphene Citrate N/A C26H27Cl2NO C6H8O7 440.42 192.13
Deschloro Clomiphene 19957-52-9 C26H29NO 371.53
Cefpodoxime acid C15H17N5O6S2 427.46
Cefpodoxime Proxetil Impurity I C25H33N5O11S2 643.7
Cefpodoxime Proxetil Impurity J C21H27N5O10S2 573.6
Cefpodoxime Proxetil Impurity K C21H27N5O10S2 573.6
Cefpodoxime-d3 acid C15H14D3N5O6S2 430.47
Cefpodoxime Proxetil Impurity B 947692-14-0 C20H25N5O8S2 527.58
Cefpodoxime Proxetil Impurity C C21H27N5O9S2 557.61
Cefpodoxime Proxetil Impurity D 947692-13-9 C21H27N5O9S2 557.61
Cefpodoxime Proxetil Impurity E 217803-89-9 C22H27N5O10S2 585.62
Cefpodoxime Proxetil Impurity F C22H27N5O10S2 585.62
Cefpodoxime Proxetil Impurity G 947692-15-1 C23H29N5O10S2 599.64
Cefpodoxime Proxetil (Mixture of Diastereomers) 87239-81-4 C21H27N5O9S2 557.61
Ceftiofur HCl C19H17N5O7S3.HCl 523.57 36.46
Ceftiofur-d3 C19H14N5O7S3D3 526.59
Desfuroyl Ceftiofur 120882-22-6 C14H15N5O5S3 429.5
trans-Capsaicin 404-86-4 C18H27NO3 305.42
17-Hydroxy Capsaicin 69173-71-3 C18H27NO4 321.42
Nordihydrocapsaicin 28789-35-7 C17H27NO3 293.41
trans-Capsaicin-d3 1217899-52-9 C18H24NO3D3 308.44
trans-Capsaicin-13C-d3 C18H24NO3D3 309.43
cis-Capsaicin 25775-90-0 C18H27NO3 305.42
cis-Capsaicin-d3 1004316-88-4 (non-labelled) C18H24NO3D3 308.44
cis-Capsaicin-13C-d3 C18H24NO3D3 309.43
Dihydro Capsaicin 19408-84-5 C18H29NO3 307.44
16,17-Dehydro Capsaicin 509101-57-9 C18H25NO3 303.4
16-Hydroxy Capsaicin 112848-19-8 C18H27NO4 321.42
Cefditoren impurity 3, Cefetamet Pivoxil 65243-33-6 C20H25N5O7S2 511.58
Delta-2-Cefetamet Pivoxil 126617-54-7 C20H25N5O7S2 511.58
(E)-Cefetamet Pivoxil C20H25N5O7S2 511.58
Cefetamet 65052-63-3 C14H15N5O5S2 397.43
Cefteram 82547-58-8 C16H17N9O5S2 479.5
d2-Cefteram 104691-34-1 C16H17N9O5S2 479.5
Cefteram Pivoxil 82547-81-7 C22H27N9O7S2 593.64
Delta-2-Cefteram Pivoxil 104712-44-9 C22H27N9O7S2 593.64
Ceftizoxime C13H13N5O5S2 383.41
Ceftizoxime Impurity (Double Bond 2-isomer) C13H13N5O5S2 383.41
Ceftizoxime Impurity (Z isomer Ring –Opening) C13H15N5O6S2 401.42
Ceftizoxime S-oxide impurity C13H13N5O6S2 399.41
E-Ceftizoxime Sodium Salt 97164-53-9 C13H12N5O5S2. Na 382.40 22.99
Ceftizoxime Impurity 1 C20H19N7O7S3 565.61
Ceftizoxime Impurity 2 C19H18N8O7S3 566.6
Ceftizoxime Impurity 3 C13H15N5O6S2 401.42
Ceftizoxime Impurity 4 C13H15N5O6S2 401.42
Ceftizoxime Impurity 5 C13H15N5O5S2 385.42
Ceftizoxime Related Compound (4-Hydroxyphenylglycine Methyl Ester HCl) C9H11NO3.HCl 181.19   36.46
Cefixime C16H15N5O7S2 453.46
Cefixime methyl ester 88621-01-6 C17H17N5O7S2 467.48
Cefixime-13C-15N2 NA C16H15N5O7S2 456.43
Cefixime-13C3-15N2 NA C16H15N5O7S2 458.41
Cefixime Impurity F 79368-95-9 C18H19N5O7S2 481.51
Cefixime impurity A C16H17N5O8S2 471.47
Cefixime impurity B C15H17N5O6S2 427.46
Cefixime EP Impurity C (Cefixime 7-epimer) 108691-83-4 C16H15N5O7S2 453.46
Cefixime impurity D C16H15N5O7S2 453.46
Cefixime impurity E C15H15N5O7S2 441.44
Chloroquine Dihydrochloride 3545-67-3 C18H28Cl3N3 392.79
Chloroquine-d5 Diphosphate 5-67-3 (non-d) C18H21ClN3D5. 2 H3O4P 324.91 2 98.00
Desethyl Chloroquine-d4 1476-52-4 (non-d) C16H18ClN3D4 295.85
Desethyl Chloroquine 1476-52-4 C16H22ClN3 291.83
Didesethyl Chloroquine 4298-14-0 C14H18ClN3 263.77
Didesethyl Chloroquine-d4 4298-14-0 (non-d) C14H14ClN3D4 267.8
Desethyl Chloroquine-d5 HCl C16H17ClN3D5.HCl 296.86 36.46
Ceftriaxone-d3 C18H15N8O7S3D3 557.6
(E)-Ceftriaxone (Impurity A) C18H18N8O7S3 554.59
Ceftriaxone Impurity B 66340-33-8 C14H13N5O5S2 395.42
Ceftriaxone Impurity C C4H5N3O2S 159.17
Ceftriaxone Impurity D 80756-85-0 C13H10N4O2S3 350.44
Ceftriaxone Impurity E 58909-56-1 C12H13N5O5S2 371.4
Cabazitaxel-d6 C45H51NO14D6 841.99
(2’S, 3’R)-Cabazitaxel N/A C45H57NO14 835.95
Cabazitaxel 183133-96-2 C45H57NO14 835.95
Cabazitaxel Impurity (DiTroc) C35H38Cl6O14 895.4
Cabazitaxel Impurity (DiTroc-oxazolidine) C52H59Cl6NO18 1198.76
Cabazitaxel Impurity (DeTroc-oxazolidine) C46H57NO14 847.97
Cabazitaxel Impurity (Amine) C40H49NO12 735.84
Cabazitaxel Impurity (Oxazolidine Protected) C48H61NO14 876.02
Cabazitaxel Impurity 183133-94-0 C31H40O10 572.66
Cabazitaxel Impurity (4-Deacetyl-4-Propionyl-Cabazitaxel) N/A C46H59NO14 849.98
Cytosine-13C-15N2 C313CH515N2NO 114.08
Cefazolin 25953-19-9 C14H14N8O4S3 454.51
Cefazolin Impurity (1H-Tetrazole-1-acetic acid) 21732-17-2 C3H4N4O2 128.09
Cefazolin Impurity A 30246-33-4 C11H12N4O3S3 344.44
Cefazolin Impurity D 32510-61-5 C13H14N6O6S 382.36
Cefazolin Impurity C 56842-77-4 C11H12N6O4S 324.32
Cefazolin 3-Hydroxymethyl Impurity N/A C11H12N6O5S 340.32
Cefazolin delta-4 Impurity N/A C11H16N8O5S3 472.53
Tetrazolyl Acetamide Acetal N/A C5H9N5O3 187.16
Cefazolin Impurity 1 C13H17N3O7S 359.36
Cefazolin Impurity 2 C13H17N3O6S 343.36
Cefazolin Impurity K Cefazolin Impurity K 453.53
Cefazolin Impurity I C14H16N8O5S3 472.53
Cefazolin Impurity J C11H14N6O6S 358.33
Cefazolin-d2-15N C14H12N8O4S3D2 457.52
Cefazolin-13C2-15N C12H14N7O4S313C215N 457.48
Cefazolin Sodium impurity B C16H20N4O4S3 428.55
Cefazolin Sodium impurity G C11H10N6O4S 322.3
Cefazolin Impurity E 29490-19-5 C3H4N2S2 132.21
Carbasalate Calcium Impurity A C18H14O7 342.31
Carbasalate Calcium Impurity D C14H10O5 258.23
Carbasalate Calcium 5749-67-7 2 C9H7O4 CH4N2O Ca 2 179.15 60.06 40.08
Clethodim sulfoxide 111031-14-2 C17H26ClNO4S 375.92
Clethodim Sulfone C17H26ClNO5S 391.92
Clethodim 99129-21-2 C17H26ClNO3S 359.92
Z-Clethodim N/A C17H26ClNO3S 359.92
Clophedianol 791-35-5 C17H20ClNO 289.81
Clophedianol-d5 C17H15ClNOD5 394.84
Clophedianol-D-glucuronide 66171-85-5 C23H28ClNO7 465.94
Dapsone-d8 NULL C12H4N2O2SD8 256.35
Dapsone hydroxylamine 32695-27-5 C12H12N2O3S 264.3
Monoacetyl Dapsone C14H14N2O3S 290.34
2-Hydroxy Desipramine 1977-15-7 C18H22N2O 282.39
2-Hydroxy desipramine-d6 HCl 59259-75-5(non-d) C18H16D6N2O.HCl 324.89
2-Hydroxy desipramine glucuronide 25521-31-7 C24H30N2O7 456.54
2-Hydroxy desipramine-d6 glucuronide 25521-31-7(non-d) C24H24D6N2O7 462.58
Desipramine-d4 HCl 61361-34-0 C18H18N2D4.HCl 270.41 36.46
Desipramine HCl 58-28-6 C18H22N2 HCl 266.39 36.46
N-(3-Dimethylaminopropyl)desipramine DiHCl 1838-02-4 C23H33N3 2 HCl 351.54 2 36.46
Dextromethorphan-d3 HBr 127-71-3 C18H22D3NO.HBr 355.33
Dextromethorphan HBr 125-69-9 C18H25NO. HBr 271.41 80.91
Dextromethorphan Impurity B C17H23NO 257.38
10-beta-Hydroxydextromethorphan C18H25NO2 287.41
10-alpha-Hydroxydextromethorphan C18H25NO2 287.41
N-Formyl Octabase C18H23NO2 285.39
N-Formyl Morphnan C18H23NO2 285.39
Dextrorphan-d3 tartrate C17H20NOD3.C4H6O6 260.40 150.09
Dextrorphan tartrate C17H23NO.C4H6O6 257.38 150.09
Dextrorphan O-Glucuronide 19153-87-8 C23H31NO7 433.51
Diclofenac-d4 153466-65-0 C14H7D4Cl2NO2 300.18
Diclofenac Lactam (Diclofenac Impurity A) C14H9Cl2NO 278.14
Diclofenac Diethylamine C18H20Cl2N2O2 367.28
Diclofenac Dimer Impurity N/A C28H22Cl4N2O4 592.31
Diclofenac Related Compound (Alpha-(2,6-Dichlorophenyl)-4-Chloroacetanilide) 560075-65-2 C14H10Cl3NO 314.6
Diclofenac 2,5-Quinone Imine 1254576-93-6 C14H9Cl2NO3 310.14
2,6-Dichloroquinone-4-chloroimide (Gibb's Reagent) 101-38-2 C6H2Cl3NO 210.45
2,6-Dichlorodiphenylamine 15307-93-4 C12H9Cl2N 238.12
Diclofenac Related Compound (N-Chloroacetyl-N-phenyl-2,6-dichloroaniline) 15308-01-7 C14H10Cl3NO 314.6
4' -Hydroxy diclofenac 64118-84-9 C14H11Cl2NO3 312.15
4-Hydroxy Diclofenac-d4 254762-27-1 C14H7D4Cl2NO3 316.18
Diclofenac-acyl-beta-D-glucuronide 64118-81-6 C20H19Cl2NO8 472.28
Diclofenac 15307-86-5 C14H11Cl2NO2 296.16
Diclofenac Impurity B C13H9Cl2NO 266.13
Diclofenac Impurity C C13H11Cl2NO 268.14
Diclofenac Impurity D C14H11BrClNO2 340.61
Diclofenac Impurity E 59-48-3 C8H7NO 133.15
Diltiazem HCl 33286-22-5 C22H26N2O4S.HCl 450.99
N,N,O-Tridesmethyl Desacetyl Diltiazem C17H18N2O3S 330.41
Diltiazem Impurity B 87447-47-0 C18H17NO4S 343.4
Diltiazem Impurity C HCl (O-Desmethyl Diltiazem HCl) 84903-78-6 (free base) C21H24N2O4S . HCl 400.50 36.46
Diltiazem Impurity E 42399-49-5 C16H15NO3S 301.37
Diltiazem impurity A (2-Epi isomer) C22H26N2O4S 414.53
Diltiazem-d3 HCl C22H23N2O4SD3.HCl 417.55 36.46
N-Desmethyl diltiazem HCl 130606-60-9 C21H24N2O4S. HCl 400.50 36.46
Desacetyl diltiazem HCl 75472-91-2 C20H24N2O3S.HCl 408.95
Diltiazem-d4 HCl NULL C22H22N2O4SD4.HCl 418.55 36.46
Desacetyl Diltiazem-d3 HCl NULL C20H21N2O3SD3.HCl 375.51 36.46
Desacetyl Diltiazem-d4 HCl NULL C20H20N2O3SD4.HCl 376.51 36.46
Desmethyl Diltiazem-d4 HCl C21H20N2O4SD4.HCl 404.52  36.46
N-Desmethyl Desacetyl Diltiazem HCl C19H22N2O3S.HCl 358.46 36.46
diphenhydramine-d3 C17H18D3NO 258.34
diphenhydramine-d3 C17H18D3NO 258.34
Diphenhydramine Impurity K C26H22O 350.46
Diphenhydramine Methiodide C18H24NO . I 270.40 126.90
Diphenhydramine Related Compound [3-(Benzyhdryloxy)propane-1,2-diol] 19574-66-4 C16H18O3 258.32
Diphenhydramine Impurity B HCl 4024-34-4 C18H23NO. HCl 269.39 36.46
Dipenhyldramine-d4 HCl C17H17NOD4 . HCl 259.39 36.46
Diphenhydramine-d5 C17H16NOD5 260.39
Diphenhydramine N-Glucuronide C23H29NO7 431.49
Dequalinium Impurity A C10H10N2 158.2
Dequalinium Impurity B C30H39N4 . Cl 455.67 35.45
Dequalinium Impurity C C50H69N6 . 3 Cl 754.15 3 35.45
Dequalinium Chloride 522-51-0 C30H40N4. 2 Cl 456.68 2 35.45
Diphenhydramine N-Oxide 3922-74-5 C17H21NO2 271.36
Dicycloverine (Dicyclomine) 77-19-0 C19H35NO2 309.5
Dicycloverine-d4 N/A C19H31NO2D4 313.52
Dicycloverine Impurity A C13H22O2 210.32
Diphenhydramine-d5 HCl 1219795-16-0 C17H16NOD5.HCl 260.39 36.46
Dimetridazole-d3 64678-69-9 C5H4N3O2D3 144.15
Dimetridazole 551-92-8 C5H7N3O2 141.13
Diphenhydramine HCl C17H21NO. HCl 255.36 36.46
Dofetilide 115256-11-6 C19H27N3O5S2 441.57
Dofetilide-d4 C19H23N3O5S2D4 445.6
Diphenhydramine Impurity A HCl 53499-40-4 C16H19NO HCl 241.34 36.46
Drotaverine HCl 985-12-6 C24H31NO4 HCl 397.52 36.46
Diphenhydramine Impurity C HCl 1808-12-4 C17H20BrNO. HCl 334.26 36.46
Deferoxamine Mesylate Impurity 1 N/A C18H34N4O7 418.49
Deferoxamine Mesylate Impurity 2 N/A C23H46N6O6 502.66
Deferoxamine-D3 mesylate C25H45N6O8D3 . CH4O3S 563.71   96.11
5-Amino-4-Imidazolecarboxamide HCl N/A C4H6N4O HCl 126.12 36.46
Dacarbazine Impurity A (3,7-Dihidro-4H-Imidazo[4,5-d][1,2,3]triazin-4-One) 4656-86-4 C4H3N5O 137.1
Dacarbazine Impurity C C4H5N5O 139.12
Diquat-d4 dibromide 85-00-7(non-d) C12H8D4N2.2Br 348.07
Nor-Desoxycholic Acid 53608-86-9 C23H38O4 378.56
Deterenol 7376-66-1 C11H15NO2 193.25
Dolutegravir 1051375-16-6 C20H19F2N3O5 419.39
Dolutegravir-d5 C20H14F2N3O5D5 424.42
Diazepam Impurity B 6021-21-2 C16H13Cl2NO2 322.19
Diazepam Impurity E 20927-53-1 C15H11ClN2O 270.72
Diazepam Impurity F 31269-33-7 C16H13ClN2O 284.75
Diaveridine 5355-16-8 C13H16N4O2 260.3
Dimethindene Impurity H (2-[(1RS)-1-(2-ethenyl-1H-Inden-3-yl)ethyl]pyridine) 1346597-95-2 C18H17N 247.34
Dimethindene 5636-83-9 C20H24N2 292.43
Dimethindene Impurity F C17H25N 243.4
Dimethindene Impurity G C19H21N 263.39
Dimethindene Impurity I C19H22N2 278.4
Dolasetron 115956-12-2 C19H20N2O3 324.38
Dolasetron-d4 N/A C19H16N2O3D4 328.41
Hydrodolasetron 127951-99-9 C17H22N2O3 326.4
Hydrodolasetron-d4 127951-99-9 (non-labelled) C19H18N2O3D4 330.42
Diglyme (2-Methoxyethyl Ether) 111-96-6 C6H14O3 134.18
Droperidol Impurity A C12H13N3O 215.26
Droperidol Impurity B C22H22FN3O2 379.44
Droperidol Impurity C C22H19FN3O2 . Cl 376.41 35.45
Droperidol Impurity D C22H22FN3O3 395.44
Droperidol Impurity E C34H34N6O3 574.69
Danofloxacin Mesylate 119478-55-6 C20H21FN2O3 . CH4O3S 356.40 96.11
Docusate Sodium Related Compound B C12H20O7S . 2 Na 308.35 2 22.99
Decoquinate-D5 C24H30NO5D5 422.58
Diphenylamine 122-39-4 C12H11N 169.23
Dalotutumab (Renzapride) 109872-41-5 C16H22ClN3O2 323.83
Dalotutumab (Renzapride)-13CD3 C16H19ClN3O2D3 327.83
Dirithromycin 62013-04-1 C42H78N2O14 835.09
Dirithromycin-13C-D3 C42H75N2O14D3 839.1
Dirithromycin Impurity B C29H56N2O9 576.78
Dirithromycin Impurity C C41H76N2O13 805.07
Deslorelin acetate 82318-06-7 C64H83N17O12 . C2H4O2 1282.48   60.05
Dabrafenib 1195765-45-7 C23H20F3N5O2S2 519.57
Dabrafenib-D9 1423119-98-5 C23H11F3N5O2S2D9 528.63
Diphemanil Methylsulfate 62-97-5 C20H24N. CH3O4S 278.42 111.10
Dosulepin Impurity E N/A C19H21NS 295.45
Duloxetine-d3 HCl 116539-59-4(non-d) C18H16NOSD3.HCl 300.44 36.46
Duloxetine Impurity B N/A C8H13NOS 171.26
Dithizone 60-10-6 C13H12N4S 256.33
Duloxetine Related Compound H 199191-66-7 C22H23NO4S 397.5
Duloxetine-d7 Maleate C18H12NOSD7 . C4H4O4 304.46 116.07
4-Hydroxy Duloxetine-d6 C18H13NO2SD6 319.46
(S)-Duloxetine Phtalamide 199191-67-8 C26H23NO4S 445.54
Duloxetine impurity (N-formyl) C19H19NO2S 325.43
Duloxetine impurity (N-acetyl) C20H21NO2S 339.46
Duloxetine impurity (alpha-hydroxy) 940291-11-2 C18H19NOS 297.42
5-Hydroxy-6-Methoxy Duloxetine Sulfate-D3 C19H18NO6S2D3 426.53
4-Hydroxy Duloxetine-d6 beta-D-Glucuronide C24H21NO8SD6 495.58
4-Hydroxy duloxetine glucuronide NULL C24H27NO8S 489.55
bis(2,4-Dichlorophenoxy)acetic Acid 100541-30-8 C14H8Cl4O4 382.03
5-Hydroxy-6-methoxy duloxetine sulfate NULL C19H21NO6S2 423.51
Desoximetasone 382-67-2 C22H29FO4 376.47
Desoximetasone-d6 N/A C22H23FO4D6 382.51
Desoximetasone Impurity E N/A C22H28O4 356.47
Desoximetasone Impurity G N/A C24H31FO5 418.51
Desoximetasone Impurity A 61618-63-1 C21H25FO4 360.43
Desoximetasone Impurity C N/A C21H24O4 340.42
Desoximetasone Impurity D 24916-90-3 C22H28O5 372.47
Desoximetasone Impurity F N/A C22H29FO3 360.47
Desoximetasone Impurity H N/A C24H30O5 356.5
Desoximetasone Impurity 1 (Beta Methyl 1,2-Dihydro) C22H30O4 358.48
Desoximetasone Impurity 2 (Beta Methyl Triene) C22H28O4 356.47
Desoximetasone Impurity 3 (Beta Methyl Epoxide 21-Acetate) C24H30O6 414.5
Desoximetasone Impurity 4 C22H28O4 356.47
Duloxetine HCl C18H19NOS.HCl 297.42 36.46
n-Decyl Alcohol (1-Decanol) 112-30-1 C10H22O 158.29
Duloxetine Impurity HBr 949096-01-9 C18H19NOS.HBr 297.42 80.91
DIMBOA (2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one) 15893-52-4 C9H9NO5 211.18
3-Acetyl Duloxetine HCl (Duloxetine Related Compound F) 1104890-90-5 C18H19NOS.HCl 297.42 36.46
DBTA (Di-O,O’-benzoyl-D-(+)tartaric Acid Monohydrate) 80822-15-7 C18H14O8.H2O 358.31    18.02
4-Hydroxy Duloxetine Acetate C18H19NO2S.C2H4O2 313.42 60.05
Duocarmycin (CD-1) C35H30ClN5O4S2 684.24
Duloxetine Impurity A 947686-09-1 C25H23NO3S 417.53
Deoxynivalenol 51481-10-8 C15H20O6 296.32
Duloxetine Impurity VI C18H19NOS 297.42
(4Z)-3-Methyl-4-undecene 74645-87-7 C12H24 168.33
(5E)-5-Tetradecene 41446-66-6 C14H28 196.38
Drospirenone 67392-87-4 C24H30O3 366.49
5-Beta-Hydroxy-Drospirenone Lactol N/A C24H34O4 386.54
3-Beta-5-Beta-Dihydroxy-Drospirenone Lactol (Mixture of Diastereomers) N/A C24H36O4 388.55
3-Beta-Hydroxy-Drospirenone Lactol N/A C24H34O3 370.54
5-Beta-Hydroxy-Drospirenone-17-Propanol 1357252-81-3 C24H36O4 388.55
Drospirenone Diol Impurity N/A C24H34O3 370.54
Drospirenone Ether Impurity N/A C24H32O2 352.52
Drospirenone acid sodium salt C24H31O4.Na 383.51 22.99
Drospirenone-d4 C24H26O3D4 370.53
4,5-Dihydrodrospirenone-3-sulfate C24H34O5S 434.6
4,5-Dihydrodrospirenone C24H34O3 370.54
Drospirenone Isomer C24H30O3 366.5
Drospirenone Impurity F N/A C24H32O3 368.52
Drospirenone Impurity (Drospirenone Lactol) 863329-71-9 C24H32O3 368.52
5-Beta-Hydroxy-Drospirenone Lactone N/A C24H32O4 384.52
Donepezil-d4 HCl 120014-06-4 (non-d) C24H25NO3D4.HCl 383.53 36.46
6-O-Desmethyl Donepezil Glucuronide (Mixture of Diastereomers) 220170-73-0 C29H35NO9 541.6
Donepezil Pyridine Analog Impurity 4803-57-0 C17H17NO3 283.33
Donepezil Benzyl Bromide Impurity 844694-85-5 C31H36NO3. Br 470.64   79.90
Donepezil Dehydrodeoxy Impurity 130927-68-3 C24H29NO2.HCl 363.50   36.47
Donepezil Deoxy Impurity 1034439-57-0 C24H31NO2.HCl 365.52  36.47
Donepezil Impurity-VI 120012-04-6 C24H31NO3 381.52
Donepezil open ring impurity C24H29NO5 411.5
Donepezil N-Oxide C24H29NO4 395.5
4-Methyl-2-n-propyl-1H-benzimidazole-6-carboxylic Acid 152628-03-0 C12H14N2O2 218.26
Donepezil 120014-06-4 C24H29NO3 379.5
Hydroxy Donepezil C24H29NO4 395.5
Donepezil related compound (E/Z mixture) 120014-07-5 C24H27NO3 377.49
Donepezil related compound A 145546-80-1 C24H27NO3 377.49
Donepezil-d5 C24H24NO3D5 384.53
5-O-Desmethyl Donepezil 120013-57-2 C23H27NO3 365.48
5-O-Desmethyl Donepezil-d5 120013-57-2(non-d) C23H22NO3D5 370.56
6-O-Desmethyl Donepezil 120013-56-1 C23H27NO3 365.48
6-O-Desmethyl Donepezil-d5 120013-56-1(non-d) C23H22NO3D5 370.56
Donepezil Desbenzyl Impurity 120013-39-0 C17H23NO3.HCl 289.38   36.5
5,6-Dimethoxy-1-Indanone (Donepezil Impurity) C11H12O3 192.22
Doxazosin-d8 HCl 74191-85-8 (non-d) C23H17N5O5D8.HCl 459.53 36.46
R-Doxazosin 70918-17-1 C23H25N5O5 451.49
S-Doxazosin 104874-86-4 C23H25N5O5 451.49
Doxazosin-d8 C23H17N5O5D8 459.53
Doxazosin Mesylate Impurity G N/A C14H19N5O2 289.34
Doxepin-d3 HCl 347840-07-7 (non-d) C19H18NOD3.HCl 282.40 36.46
N-Desmethyl Doxepin HCl 2887-91-4 C18H19NO HCl 265.36 36.46
N-Desmethyl Doxepin-d3 HCl N/A C18H16NOD3 HCl 268.38 36.46
Doxepin related compound A 4504-87-4 C14H10O2 210.23
Doxepin related compound B 4504-88-5 C19H23NO2 297.39
Doxepin related compound C 4504-96-5 C18H19NO . HCl 265.36   36.46
(E)-Doxepin 3607-34-9 C19H21NO 279.39
(Z)-Doxepin 3607-18-9 C19H21NO 279.39
3-Ketodesogestrel (Etonogestrel) 54048-10-1 C22H28O2 324.47
Desogestrel delta-3 isomer 201360-82-9 C22H30O 310.48
Desogestrel EP Impurity B 54024-12-3 C21H28O 296.46
Desogestrel EP Impurity C 54024-21-4 C20H28O 284.45
17-β-Desogestrel C22H30O 310.48
Desogestrel Related Compound (3-alpha-Hydroxy Desogestrel) 70805-84-4 C22H30O2 326.48
3-Keto-desogestrel-D2-13C2 C22H26D2O2 328.46
Desogestrel Related Compound B (3-beta-Hydroxy Desogestrel) 70805-85-5 C22H30O2 326.48
3-Keto-desogestrel-d6 (Etonogestrel-d6) C22H22O2D6 330.5
3-Ketodesogestrel Sulfate (Etonogestrel sulfate) C22H28O5S 404.53
3-Ketodesogestrel-17-O-Glucuronide C28H36O8 500.59
Desogestrel C22H30O 310.48
Desogestrel-13C2-d2 C22H28OD2 314.47
Desogestrel Impurity N/A C22H30O 310.48
Darifenacin 133099-04-4 C28H30N2O2 426.55
Darifenacin Dimer-1 C38H40N2O3 572.75
Darifenacin Dimer-2 C38H40N2O3 572.75
Darifenacin Carboxylic Acid Impurity N/A C27H28N2O4 444.54
Darifenacin Impurity E C38H40N2O3 572.75
Darifenacin Impurity H C47H50N4O3 718.95
Darifenacin Impurity (UK-201705) 1048979-09-4 C28H30N2O2 426.56
Darifenacin-d4 133099-04-4 (non-d) C28H26N2O2D4 430.59
Darifenacin-d4 HBr C28H26N2O2D4.HBr 430.59 80.91
UK-148993, 3-Hydroxy Darifenacin (Mixture of Diastereomers) 1285875-62-8 C28H30N2O3 442.56
Darifenacin Impurity (UK-156961) 215032-24-9 C28H32N2O3 444.58
Darifenacin HBr 133099-07-7 C28H30N2O2.HBr 426.56 80.91
Darifenacin Amide Impurity C18H20N2O 280.37
Darifenacin R-Isomer Impurity C28H30N2O2 . HBr 426.56 80.91
Darifenacin Oxidized Impurity 133033-99-5 C28H28N2O2 424.55
Doxycycline-13C-d3 17086-28-1 (non-d) C22H21N2O8D3 448.45
Doxycycline Monohydrate C22H24N2O8.H2O 444.45 18.02
Doxycycline HCl 10592-13-9 C22H24N2O8.HCl 444.45 36.46
4epi-6epi Doxycycline 97583-08-9 C22H24N2O8 444.45
4-epi-Doxycycline N/A C22H24N2O8 444.45
6-Epi Doxycycline 3219-99-6 C22H24N2O8 444.45
Doxycycline Hyclate Impurity F 122861-53-4 C23H25NO8 443.46
Docetaxel 114977-28-5 C43H53NO14 807.9
Docetaxel Impurity E (10-Deacetyl Baccatin III) 32981-86-5 C29H36O10 544.6
7-Methyl-10-(2-Hydroxy-3-N-Boc-3-Phenylpropionyl)-Docetaxel N/A C58H72N2O18 1085.22
7-Methyl Docetaxel 1420767-25-4 C44H55NO14 821.93
2-Epi Docetaxel Impurity 133577-33-0 C43H53NO14 807.9
Docetaxel Metabolite M1 and M3 C43H51NO15 821.88
Docetaxel Metabolite M2 C43H53NO15 823.9
Docetaxel Metabolite M4 C43H49NO15 819.87
Docetaxel Metabolite M2-d6 C43H47NO15D6 829.94
Docetaxel Metabolite M4-d6 C43H43NO15D6 825.9
Docetaxel-d9 114977-28-5 (non-d) C43H44NO14D9 816.95
Docetaxel Impurity C (7-Epi-Docetaxel) C43H53NO14 807.9
Docetaxel Impurity D (7-Epi-10-Oxo-Docetaxel) C43H51NO14 805.88
10-Acetyl Docetaxel 125354-16-7 C45H55NO15 849.94
2-Debenzoyl-2-pentenoyl Docetaxel N/A C41H55NO14 785.89
6-Oxo-Docetaxel C43H51NO15 821.88
Docetaxel Impurity A C41H55NO14 785.89
Docetaxel Impurity B (10-Oxo Docetaxel) 167074-97-7 C43H51NO14 805.88
Dapoxetine HCl 129938-20-1 C21H23NO.HCl 305.42 36.46
Dapoxetine Impurity 2 C30H31NO2 437.59
Dapoxetine Impurity 3 C11H17N 163.26
Dapoxetine Impurity 4 C21H23NO 305.42
R- Dapoxetine C21H23NO 305.42
N-Desmethyl Dapoxetine HCl C20H14NOD7.HCl 298.44 36.46
N-Didesmethyl Dapoxetine C19H19NO 277.37
Dapoxetine-d7 HCl 119356-77-3 (non-d) C21H16NOD7.HCl 312.47 36.46
N-Desmethyl Dapoxetine-d7 HCl C20H14NOD7.HCl 298.44 36.46
Dapoxetine 2-Naphthyl Impurity N/A C29H29NO2 HCl 423.56
Dapoxetine 4-Phenylethylene Impurity HCl N/A C29H29NO. HCl 407.56 36.46
Dapoxetine (free base) 119356-77-3 C21H23NO 305.42
Dapoxetine Impurity 1 N/A C19H16O 260.34
DAIDZEIN DAIDZEIN 258.27
Didanosine-d2 C10H12N4O3D2 240.26
Diflufenican-d3 C19H8F5N2O2D3 397.32
Dipyridamole 58-32-2 C24H40N8O4 504.64
Dipyridamole Impurity F C21H36N8O5 480.57
Dipyridamole Impurity G 08-02-7139 C16H20Cl2N6 367.28
Dipyridamole Impurity 1 N/A C19H31N7O5 437.5
Dipyridamole Impurity 2 N/A C24H40N8O5 520.64
Dipyridamole-d20 58-32-2 (non-d) C24H20N8O4D20 524.76
Dipyridamole-d16 C24H24N8O4D16 520.73
Dipyridamole Impurity I C28H44N8O9 636.71
Dipyridamole Impurity A 16982-40-4 C25H40N8O2 484.65
Dipyridamole Impurity B 16908-47-7 C23H40N8O6 524.63
Dipyridamole Impurity C 54093-92-4 C20H30ClN7O2 435.96
Dipyridamole Impurity D 1176886-12-6 C22H36N8O3 460.58
Dipyridamole Impurity E C24H40N8O4 504.64
Deferasirox 201530-41-8 C21H15N3O4 373.37
Deferasirox Acyl beta-D-Glucuronide 1233196-91-2 C27H23N3O10 549.5
Deferasirox-d4 201530-41-8 (non-d) C21H11N3O4D4 377.4
Deferasirox Iron Complex C42H26FeN6O8 798.56
Deferasirox Impurity 1 C28H19N3O6 493.48
Deferasirox Impurity 2 C23H17N3O6 431.41
Deferasirox Ethyl Ester 201530-79-2 C23H19N3O4 401.43
Deferasirox Methyl Ester 1266741-05-2 C22H18N3O4 388.41
Deferasirox Iron Complex-d8 554445-58-8 (non-labelled) C42H16FeN6O8D8. K3 804.59 3 39.10
Deferasirox impurity G C21H15N3O3 357.37
Docosahexaenoic acid (DHA) 6217-54-5 C22H32O2 328.5
Docosahexaenoic acid (DHA)-d5 6217-54-5 (non-d) C22H27O2D5 333.53
Docosahexaenoic Acid Ethyl Ester-d5 C24H31O2D5 361.58
Docosahexaenoic Acid Ethyl Ester C24H36O2 356.55
Dantrolene-d4 C14H6N4O5D4 318.28
5-Hydroxy Dantrolene-d4 C14H6N4O6D4 334.28
5-Hydroxy Dantrolene C14H10N4O6 330.26
Diazald 80-11-5 C8H10N2O3S 214.24
Dexanabinol 112924-45-5 C25H38O3 386.58
Dasatinib 302962-49-8 C22H26ClN7O2S 488.02
Dasatinib Impurity 5 C24H28ClN7O3S 530.05
Dasatinib Impurity 6 C22H25Cl2N7O2S 522.46
Dasatinib Impurity 7 C22H25Cl2N7O2S 522.46
Dasatinib Impurity 8 C36H34Cl2N12O2S2 801.79
N-Deshydroxyethyl Dasatinib-d8 N/A C20H14ClN7OSD8 452.01
4’-Hydroxy Dasatinib 910297-57-3 C22H26ClN7O3S 504.01
2-Deschloro-2-hydroxy Dasatinib 1159977-25-9 C22H27N7O3S 469.57
Des-6-[4-(2-hydroxyethyl)-1-piperazinyl]-6-chloro Dasatinib 910297-71-1 C16H13Cl2N5O2S 410.28
Des-6-[4-(2-hydroxyethyl)-1-piperazinyl]-6-chloro-O-pivalate Dasatinib 910297-70-0 C21H21Cl2N5O3S 494.4
Hydroxymethyl Dasatinib 910297-58-4 C22H26ClN7O3S 504.01
Dasatinib-d8 302962-49-8 (non-d) C22H18ClN7O2SD8 496.06
Dasatinib Carboxylic Acid 910297-53-9 C22H24ClN7O3S 502
Dasatinib N-Oxide C22H26ClN7O3S 504.01
Dasatinib Glucuronide C28H34ClN7O8S 664.14
N-Deshydroxy Ethyl Dasatinib C20H22ClN7OS 443.96
Dasatinib Impurity 1 C22H25Cl2N7O2S 522.46
Dasatinib Impurity 2 302964-24-5 C11H10ClN3OS 267.74
Dasatinib Impurity 3 C16H13Cl2N5OS 394.28
Dasatinib Impurity 4 C22H27N7O2S 453.57
Deflazacort C25H31NO6 441.53
21-Hydroxy Deflazacort (21-Desacetyl Deflazacort) C23H29NO5 399.49
Levodopa Impurity D (3,4-Dihydroxy-D-Phenylalanine) 5796-17-8 C9H11NO4 197.19
3-O-methyl dopa sulfate C9H13NO5S 247.27
Dopamine HCl 62-31-7 C8H11NO2.HCl 153.18 36.46
4-O-Methyldopa C10H13NO4 211.22
4-O-Methyldopa-d3 C10H10NO4D3 214.24
Levodopa C9H11NO4 197.19
6-Hydroxy Dopamine-d4 N/A C8H7NO3D4 173.21
6-Hydroxy-L-DOPA (Levodopa Related Compound A) 27244-64-0 C9H11NO5 213.19
3-(3,4-Dimethoxyphenyl)-L-alanine 32161-30-1 C11H15NO4 225.25
3-Methoxytyramine 554-52-9 C9H13NO2 167.21
(DL)-3-O-Methyldopa (Levodopa Related Compound B) 4214-13-5 C10H13NO4 211.22
3-O-Methyldopa 7636-26-2 C10H13NO4 211.22
Carbidopa Related Compound A 85933-19-3 C11H16N2O4 240.26
Methyldopa-d3 C10H10NO4D3 214.24
Dopamine-d4 HCl C8H7NO2D4 . HCl 157.21 36.46
Methyldopa Impurity A 6739-31-7 C11H15NO4 225.25
Levodopa-d3 53587-29-4 C9H8NO4D3 200.21
Carbidopa-d3 28860-95-9 (non-d) C10H11N2O4D3 229.25
Levodopa sulfate C9H11NO7S 277.25
3-O-methyl dopa glucuronide C16H21NO10 387.35
3-O-methyldopa-d3 C10H10NO4D3 214.24
Disulfiram 97-77-8 C10H20N2S4 296.54
Disulfiram-d20 97-77-8 (non-d) C10N2S4D20 316.65
S-Methyl N, N-Diethyldithiocarbamate 686-07-7 C6H13NS2 163.31
S-Methyl N, N-Diethyldithiocarbamate-d10 686-07-7 (non-d) C6H3NS2D10 173.42
Diethyldithiocarbamate C5H10NNaS2 . 3 H2O 171.26 3 18.02
Doxorubicin HCl 25316-40-9 C27H29NO11. HCl 543.53 36.46
Desmethyl doxorubicin (14-Hydroxycarminomycin) 69401-50-9 C26H27NO11 529.51
Doxorubicin impurity C C27H28BrNO10 606.43
Doxorubicin Impurity 3 C20H12O7 364.31
Doxorubicin Impurity 4 C26H25NO10 511.49
Doxorubicin Dimer Impurity 1 C54H56N2O21 1069.05
Doxorubicin Dimer Impurity 2 C44H46N2O16 858.86
Doxorubicin-13C-d3 23214-92-8 (non-d) C27H26NO11D3 547.56
Doxorubicinol (mixture of diasteromers) 63950-05-0 C27H31NO11 545.55
Doxorubicinol-13C-d3 (mixture of diasteromers) 63950-05-0 (non-d) C27H28NO11D3 549.58
Epi-doxorubicin 56420-45-2 C27H31NO11 545.55
Doxorubicinone 24385-10-2 C21H18O9 414.37
Doxorubicin Impurity 1 C19H12O7 352.3
Doxorubicin Impurity 2 64845-67-6 C19H12O6 336.3
Doxorubicin Impurity B 106401-68-7 C29H34BrNO11 652.5
Dutasteride C27H30F6N2O2 528.54
Dutasteride Impurity D (Dutasteride 17-alfa-5-ene) C27H28F6N2O2 526.53
Dutasteride Impurity C26H22F6N2O2 508.47
Dutasteride Impurity A (Dutasteride Acid Impurity) N/A C19H27NO3 317.43
Dutasteride Ester Impurity C20H29NO3 331.46
Dutasteride Impurity G (Dutasteride 17-beta-5-ene) 1430804-85-5 C27H28F6N2O2 526.53
Dutasteride Impurity B C21H32N2O2 344.5
Dutasteride Impurity C 157307-36-3 C21H31NO3 345.49
Dutasteride Impurity N/A C27H26F6N2O2 524.51
Dutasteride Impurity J 164656-21-7 C27H30F6N2O2 528.54
Dutasteride Impurity L 1365545-48-7 C26H26F6N2O2 512.5
Dutasteride-13C6 C21H30F6N2O213C6 534.48
Dutasteride Impurity M N/A C18H24N2O2 300.4
Dutasteride Impurity F (1-Chloro Dihydro Dutasteride) 1365545-42-1 C27H31ClF6N2O2 565
Dihydro Dutasteride 164656-22-8 C27H32F6N2O2 530.56
5-Beta-Dutasteride 957229-52-6 C27H30F6N2O2 528.54
6-Beta-Hydroxy Dutasteride N/A C27H32F6N2O3 546.56
Dutasteride Impurity H (alfa-Dimer) N/A C46H55F6N3O4 827.96
Dutasteride Impurity I (beta-Dimer) N/A C46H55F6N3O4 827.96
Dutasteride Impurity E (Dutasteride 17-alfa-epimer) C27H30F6N2O2 528.54
Dexamethasone-d4 50-02-2  (non-d) C22H25FO5D4 396.5
Dexamethasone Sodium phosphate Impurity G ((-)-Dexamethasone Acid) 37927-01-8 C21H27FO5 378.44
21-Hemiacetal Dexamethasone 473273-03-9 C23H31FO6 422.5
Dexamethasone Impurity F N/A C22H29FO4 376.47
Dexamethasone Impurity I N/A C22H28O5 372.47
Dexamethasone Impurity J 2036-77-3 C22H28O5 372.47
Dexamethasone Impurity K N/A C22H26O4 354.45
Dexamethasone-17(20)-enol-21-aldehyde 6762-51-2 C22H27FO4 374.46
Dexamethasone-17-ketone 1880-61-1 C20H25FO3 332.42
6-Hydroxy Dexamethasone C22H29FO6 408.47
Dexamethasone 17-formyloxy17-acid C22H27FO6 406.46
Dexamethasone Biotin 85679-56-7 C36H53FN4O6S 688.91
Dexamethasone Phosphate Impurity N/A C22H30FO11PS 2 Na 552.51 2x22.99
Dexamethasone 50-02-2 C22H29FO5 392.47
17-Beta-Carboxy-17-Desoxy-Dexamethasone 75262-69-0 C21H27FO4 362.45
21-Dehydro-17-Deoxy-Dexamethasone 1188271-71-7 C22H27FO4 374.46
Dexamethasone Impurity I (21-Dehydro Dexamethasone) 2964-79-6 C22H27FO5 390.46
Dexamethasone Impurity C 426-17-5 C22H31FO5 394.49
Dexamethasone Acid Impurity 75262-69-0 C21H27FO4 362.45
Dexamethasone Sodium phosphate Impurity C, D, E, F N/A C22H30FO8P 472.45
Darunavir 206361-99-1 C27H37N3O7S 547.68
Darunavir Ethanolate 635728-49-3 C27H37N3O7S C26O 547.68 46.07
BIS THF HNS Derivative 1 253265-98-4 C11H13NO7 271.23
BIS THF HNS Derivative 2 799241-85-3 C11H13NO7 271.23
BIS THF HNS Derivative 3 799241-86-4 C11H13NO7 271.23
BIS THF Nitro Derivative 1 288296-64-0 C13H13NO7 295.25
BIS THF Nitro Derivative 2 252873-01-1 C13H13NO7 295.25
BIS THF Nitro Derivative 3 252873-00-0 C13H13NO7 295.25
DNV-II impurity 1 1005324-46-8 C25H35N3O7S 521.64
DNV-II impurity 2 1133153-38-4 C25H35N3O7S 521.64
Darunavir-d9 206361-99-1 (non-d) C27H28N3O7SD9 556.73
Hydroxy Darunavir 1130635-75-4 C27H37N3O8S 563.68
3’-Hydroxy Darunavir 1159613-24-7 C27H37N3O8S 563.68
Darunavir-N-Glucuronide 1159613-25-8 C33H45N3O13S 723.8
Darunavir-O-Glucuronide 1159613-27-0 C33H45N3O13S 723.8
Darunavir Related Compound 03 N/A C34H45N3O11S 703.82
Darunavir Related Compound 04 N/A C27H37N3O7S 547.68
Darunavir Monohydroxylated Carbamate hydrolyzed metabolite (R426855) C20H29N3O4S 407.54
Doxylamine-d5 Succinate C17H17N2OD5.C4H6O4 275.41 118.09
N,N-Didesmethyl Doxylamine C16H19NO 241.34
Doxylamine Impurity B 19490-92-7 C13H13NO 199.25
Desmethyl Doxylamine Succinate 1221-70-1 (free base) C16H20N2O. C4H6O4 256.35 118.09
R-Doxylamine C17H22N2O 270.38
S-Doxylamine C17H22N2O 270.38
Doxylamine Pyridine N-oxide C18H24N2O2 300.4
Doxylamine Aliphatic N-Oxide HCl C17H22N2O2.HCl 286.38 36.46
Doxylamine Pyridine N-Oxide HCl C17H22N2O2.HCl 286.38 36.46
Doxylamine 469-21-6 C17H22N2O 270.38
Doxylamine Impurity A HCl 873407-01-3 (free base) C17H22N2O. HCl 270.38 36.46
Doxylamine di-N-Oxide C17H22N2O3 302.38
Doxylamine Succinate 562-10-7 C17H22N2O. C4H6O4 270.38 118.09
N-Monodesmethyl Doxylamine C17H21NO 255.36
Doramectin C50H74O14 899.14
Dexpanthenol (Pantothenyl Alcohol) C9H19NO4 205.26
Dexpanthenol impurity B 1112-33-0 C6H12O4 148.16
Dexpanthenol impurity C 1112-32-9 C6H12O4 148.16
Dexpanthenol impurity D 13031-04-4 C6H8O3 128.13
Dexpanthenol impurity E 96305-22-5 C9H14O3 170.21
Dexpanthenol impurity F 124402-18-2 C9H16O3 172.23
Dexpanthenol impurity I 18679-90-8 C10H19NO5 233.27
Dexpanthenol impurity J 49831-65-4 C10H19NO5 233.27
Desonide C24H32O6 416.52
Delta-14-Desonide 131918-67-7 C24H30O6 414.5
Desonide 1,2-Saturated 638-93-7 C24H34O6 418.53
Desonide Delta-9(11) analog 5541-37-7 C24H30O5 398.5
Dienogest C20H25NO2 311.43
Dienogest Impurity B N/A C18H22O2 270.37
Dienogest Impurity D N/A C22H29NO3 355.48
Dienogest Impurity E N/A C22H31NO3 357.5
Dienogest Impurity F N/A C20H27NO2 313.44
Dienogest Impurity G N/A C20H23NO2 309.41
Dienogest Impurity H N/A C20H25NO2 311.43
Dienogest Impurity I N/A C20H27NO2 313.44
Dienogest Impurity J N/A C21H27NO2 325.45
Dienogest Impurity K N/A C21H27NO3 341.45
Dienogest Impurity L N/A C20H26O3 314.43
Dienogest-d5 C20H20NO2D5 316.46
Dienogest Impurity M N/A C20H24BrNO2 390.32
Dienogest Impurity 1 510-64-5 C19H26O3 302.42
Dienogest Impurity 2 734-32-7 C18H24O2 272.39
11beta-hydroperoxy Dienogest NA C20H25NO4 343.43
11beta-hydroxy Dienogest NA C20H25NO3 327.43
Dienogest-d4 C20H21NO2D4 315.45
Dienogest Impurity C (Diene Impurity) 106111-42-6 C20H25NO2 311.43
6-beta-Hydroxy Dienogest C20H25NO3 327.43
17-epi-Dienogest N/A C20H25NO2 311.43
Dienogest Impurity A N/A C20H25NO3 327.43
Diazoxide C8H7ClN2O2S 230.67
Diazoxide-d3 C8H4ClN2O2SD3 233.69
5,7-Dichloro-3-Methyl-2H-1,2,4-Benzothiadiazine-1,1-Dioxide 6059-27-4 C8H6Cl2N2O2S 265.12
7,8-Dichloro-3-Methyl-2H-1,2,4-Benzothiadiazine-1,1-Dioxide 31365-86-3 C8H6Cl2N2O2S 265.12
Dropropizine 17692-31-8 C13H20N2O2 236.32
Levodropropizine (S-Dropropizine) 99291-25-5 C13H20N2O2 236.32
6-Iodo Diosmin C28H31IO15 734.45
Diosmin-d3 C28H29O15D3 611.58
Diosmin 520-27-4 C28H32O15 608.56
Diosmin Impurityu C (Isorhoifolin) 552-57-8 C27H30O14 578.53
Diosmin Impurity E (Linarin) 480-36-4 C28H32O14 592.56
Digitoxin C41H64O13 764.96
Diosmetin 520-34-3 C16H12O6 300.27
Diosmetin-d3 1189728-54-8 C16H9O6D3 303.29
Diosmetin- Beta-D-glucuronide C23H21O11 . Na 473.42 22.99
Daunorubicin HCl C27H29NO10.HCl 527.53 36.46
Daunorubicinol (mixture of diastereomers) (Daunorubicin Impurity B) N/A C27H31NO10 529.55
8-Desacetyl-8-Carboxy Daunorubicin Hydrochloride 58199-96-5 C26H27NO11 HCl 529.51 36.46
Daunorubicin Impurity C (Mixture of Diastereomers) N/A C28H31NO10 541.56
Daunorubicin Impurity E (Mixture of Diastereomers) N/A C21H20O8 400.39
Daunorubicin Impurity F (Mixture of Diastereomers) N/A C28H31NO10 541.56
Domperidone 57808-66-9 C22H24ClN5O2 425.92
1,3-Dihydro-2H-benzimidazol-2-one 615-16-7 C7H6N2O 134.14
Domperidone-d6 1329614-18-7 C22H18ClN5O2D6 431.96
Domperidone Impurity A C12H14ClN3O 251.72
Domperidone Impurity B C13H14ClN3O2 279.73
Domperidone Impurity C 118435-03-3 C22H24ClN5O3 441.92
Domperidone Impurity D C32H34ClN7O3 600.13
Domperidone Impurity E 1346602-50-3 C32H34ClN7O3 600.13
Domperidone Impurity F N/A C37H42Cl2N8O3 717.71
Domperidone Impurity 62780-89-6 C10H11ClN2O 210.66
Deferiprone 30652-11-0 C7H9NO2 139.16
Deferiprone-d3 1346601-82-8 C7H6NO2D3 142.17
Deferiprone 3-Glucuronide 141675-48-1 C13H17NO8 315.28
Deferiprone-d3 3-Glucuronide C13H14NO8D3 318.3
Dronedarone 141626-36-0 C31H44N2O5S 556.77
Dronedarone Hydrochloride Impurity B C32H46N2O7S2 634.86
Dronedarone Hydrochloride Impurity C C19H17NO5 339.35
Dronedarone Hydrochloride Impurity D C30H40N2O5 508.66
Dronedarone Hydrochloride Impurity E C20H19NO5 353.38
Dronedarone-d9 C31H35N2O5SD9 565.82
Dronedarone-d6 HCl 1329809-23-5 C31H38N2O5SD6. HCl 562.81 36.46
N-Desbutyl Dronedarone HCl 197431-02-0 C27H36N2O5S. HCl 500.66 36.46
N-Desbutyl Dronedarone-d6 HCl 1346598-70-6 C27H30N2O5SD6. HCl 506.70 36.46
N-Debutyl Dronedarone-D-Glucuronide N/A C33H44N2O11S 676.79
2-(2-Formyl-4-Nitrophenoxy)-Hexanoate 335153-23-6 C14H17NO6 295.28
2-(2-Formyl-4-Nitrophenoxy)-Hexanoic Acid 335153-21-4 C13H15NO6 281.27
Dronedarone Hydrochloride Impurity A C30H42N2O3 478.68
Diflunisal Phenolic Glucuronide Lithium Salt C19H14F2O9.2 Li 424.31 2 6.94
Diflunisal Acyl Glucuronide 58446-30-3 C19H16F2O9 426.33
Diflunisal 22494-42-4 C13H8F2O3 250.2
Diflunisal-d3 1286107-99-0 C13H5F2O3D3 253.22
Diminazene Aceturate 908-54-3 C14H15N7.2 C4H7NO3 281.32 2 117.11
Diacerein-d6 C19H6D6O8 374.33
Monoacerein (5-Acetyl Rhein) 875535-35-6 C17H10O7 326.27
Domiphen Bromide C22H40NO.Br 334.57 79.90
Difenoconazole 119446-68-3 C19H17Cl2N3O3 406.27
Difenoconazole Impurity 1 1259033-72-1 C20H19Cl2N3O3 420.3
Difenoconazole Impurity 2 C19H16Cl3N3O3 C19H16Cl3N3O3
Doripenem 14816-81-3 C15H24N4O6S2 420.51
Doripenem Impurity I C15H26N4O7S2 438.53
Doripenem Impurity II (Doripenem Dimer Impurity B) C30H48N8O12S4 841.02
Doripenem 4R Isomer Impurity C20H28N4O9S2 532.6
Doripenem impurity (4,7-seco-doripenem disodium salt, mixture of double bond isomers) C15H24N4O7S2 . 2Na 436.51  2x22.99
Doripenem Impurity MAP-alfa isomer C29H27N2O10P 594.52
Doripenem Dimer Impurity A1 N/A C29H46N8O13S4 842.99
Doripenem Dimer Impurity A2 N/A C29H46N8O13S4 842.99
Deltamethrin C22H19Br2NO3 505.21
Deltamethrin-d5 N/A C22H14Br2NO3D5 510.24
Dabigatran 211914-51-1 C25H25N7O3 471.52
Dabigatran impurity D C34H41N7O5 627.75
Dabigatran impurity E 1610758-22-9 C34H41N7O5 627.75
Dabigatran impurity F C20H22N4O3 366.42
Dabigatran impurity G C19H20N4O4 368.4
Dabigatran Impurity H 1408238-36-7 C26H33N5O4 479.58
Dabigatran impurity I 211915-84-3 C28H27N5O3 481.56
Dabigatran impurity J C29H32N6O4.HCl 528.62   36.5
Dabigatran impurity K C33H39N7O5 613.72
Dabigatran impurity L C32H38N8O4 598.71
Dabigatran impurity M C27H28N6O4 500.56
Dabigatran-d3 NA C25H22N7O3D3 474.54
Dabigatran impurity O C27H29N7O3.HCl 499.58
Dabigatran impurity P 212322-56-0 C18H22N4O3 342.4
Dabigatran impurity Q C27H28N6O4 500.56
Dabigatran Impurity I Related Compound C33H40N6O4 584.72
Dabigatran Etexilate Impurity 1 C35H43N7O5 641.78
Dabigatran Etexilate Impurity 2 C34H41N7O5 627.75
Dabigatran Etexilate Impurity 3 C32H37N7O5 599.7
Dabigatran Etexilate Impurity 4 C35H43N7O5 641.78
Dabigatran Etexilate Impurity 5 C36H45N7O5 655.8
Dabigatran etexilate 211915-06-9 C34H41N7O5 627.75
Desethyl Dabigatran Etexilate 212321-78-3 C32H37N7O5 599.7
Dabigatran Acyl-Beta-D-Glucuronide 1015167-40-4 C31H33N7O9 647.65
Dabigatran Etexilate N-Oxide (impurity N) 1381757-44-3 C34H41N7O6 643.75
Dabigatran-d3 Ethyl Ester N/A C27H26N7O3D3 502.6
Dabigatran-d4 211914-51-1 (non-labelled) C25H21N7O3D4 475.55
Dabigatran impurity A C32H37N7O5 599.7
Dobutamine Impurity B NA C10H12O2 164.21
Dobutamine Impurity C HCl 51062-14-7 C21H29NO3. HCl 343.47 36.46
rac-Dobutamine-d4 HCl N/A C18H19NO3D4 HCl 305.41 36.46
rac-Dobutamine-d6 HCl N/A C18H17NO3D6 HCl 307.43 36.46
Dapagliflozin-d5 NA C21H20ClO6D5 413.91
Dapagliflozin-d7 NA C21H18ClO6D7 415.93
Dapagliflozin 461432-26-8 C21H25ClO6 408.88
Dapagliflozin alfa-Isomer N/A C21H25ClO6 408.88
Dapagliflozin Impurity 1 C15H12BrClO2 339.62
Dapagliflozin Impurity 2 C15H14BrClO 325.64
Dapagliflozin Impurity 3 C21H25BrO6 453.33
Dapagliflozin Impurity 4 C21H25ClO6 408.88
Dorzolamide 120279-96-1 C10H16N2O4S3 324.44
Dorzolamide Impurity D 154154-90-2 C8H12N2O4S3 296.39
Dorzolamide Related Compound A C10H16N2O4S3 . HCl 324.44 36.46
Dorzolamide Related Compound B 122028-16-4 C10H16N2O4S3 . HCl 324.44 36.46
Dorzolamide impurity C C10H17BN2O6S3 368.26
Dibucaine Impurity D 10222-61-4 C14H15NO3 245.28
Dalfampridine (4-Aminopyridine) 504-24-5 C5H6N2 94.12
4-Aminopyridine N-oxide 3535-75-9 C5H6N2O 110.12
(S)-(+)-DBD-PY-NCS 163927-32-0 C13H15N5O3S2 353.42
Dicloxacillin 3116-76-5 C19H17Cl2N3O5S 470.33
Dicloxacillin-13C4 N/A C19H17Cl2N3O5S 474.29
Acetylated Penicilloic Acid C21H21Cl2N3O7S 530.39
Degradation Impurity (DCMICAA) C13H10Cl2N2O4 329.14
DCMICAA Adduct of Dicloxacillin peniclloic acids C32H27Cl4N5O9S 799.48
Dicloxacilloic Acid C19H19Cl2N3O6S 488.35
Dicloxacillin Impurity B C18H19Cl2N3O4S 444.34
Dicloxacillin Impurity D 3919-76-4 C11H7Cl2NO3 272.09
Difloxacin HCl C21H19F2N3O3. HCl 399.40 36.46
Difloxacin Impurituy A N/A C26H30FN5O3 479.56
Difloxacin Impurituy C N/A C21H19ClFN3O3 415.86
Difloxacin Impurituy D N/A C21H19ClFN3O3 415.86
Difloxacin Impurituy E N/A C21H19ClFN3O3 415.86
Difloxacin Impurituy F N/A C27H23F3N4O2 492.51
Difloxacin Impurituy G N/A C16H8ClF2NO3 335.7
Dimefline Hydrochloride 1165-48-6 C20H21NO3 323.4
Dimepranol 108-16-7 C5H13NO 103.17
Dimepranol-d6 C5H7NOD6 109.2
Dimepranol-N-Oxide C5H13NO2 119.16
Dimepranol Related Compound (N,N-Dimethylamino-2-propanol p-Acetamido benzoic acid (DiP.PAcBA)) 61990-51-0 C9H9NO3. C5H13NO 179.18 103.17
Demeclocycline C21H21ClN2O8 464.86
4-epidemeclocycline C21H21ClN2O8 464.86
Diethylstilbestrol C18H20O2 268.36
Diethylstilbestrol-d5 C18H15O2D5 273.39
3-Hydroxy Detomidine Hydrochloride 115664-37-4 C12H14N2O . HCl 202.26 36.46
3-Hydroxy Detomidine-15N2,d2 Hydrochloride C12H12N2OD2 . HCl 206.26 36.46
3-Hydroxy Detomidine C12H14N2O 202.26
3-Carboxy Detomidine C12H12N2O2 216.24
Detomidine HCl 90038-01-0 C12H14N2. HCl 186.26 36.46
Digoxin 20830-75-5 C41H64O14 780.96
Digoxin Impurity K N/A C47H74O17 911.1
Digoxigenin mono-digitoside 5352-63-6 C29H44O8 520.67
Lanatoside C (Digoxin Impurity H) 17575-22-3 C49H76O20 985.14
Lanatoside B C49H76O20 985.14
Digoxin-d3 20830-75-5 (non-D) C41H61O14D3 783.98
Digoxin Impurity B 4562-36-1 C41H64O14 780.96
Digoxin Impurity D C29H44O8 520.67
Digoxin Impurity E 52589-12-5 C41H64O1 796.96
Digoxin Impurity F 02-05-5297 C35H54O11 650.81
Digoxin Impurity G (Neodigoxin) 55576-67-5 C41H64O14 780.96
Digoxin Impurity I 5511-98-8 C43H66O15 823
Digoxin Impurity J 5355-48-6 C43H66O15 823
Digallic Acid C14H10O9 322.23
Decitabine (5-Aza-2'-deoxy Cytidine) C8H12N4O4 228.21
Decitabine Impurity 4 (Methyl-2-deoxy-alfa-D-Ribopyranoside) 6160-56-1 C6H12O4 148.16
Decitabine impurity 5 C13H16O5 252.27
Decitabine impurity 6 (beta-D-Erythro-Pentopyranoside-Methyl-2-Deoxy-bis(4-methylbenzoate)) 78185-67-8 C22H24O6 384.43
Decitabine impurity 7 C21H21ClO5 388.85
Decitabine impurity 8 C8H12N4O4 228.21
Decitabine Impurity 4 (Methyl 2-deoxy-beta-D-Ribopyranoside) 17676-20-9 C6H12O4 148.16
Decitabine Impurity 6 (alpha-D-Erythro-Pentopyranoside-Methyl-2-Deoxy-bis(4-methylbenzoate)) 78185-66-7 C22H24O6 384.43
Decitabine Impurity C C8H12N4O4 228.21
Decitabine Impurity B C16H18N4O5 346.35
Decitabine-15N4 N/A C8H12N4O4 232.18
Decitabine Deformyl Impurity Formate (Mixture of Diastereomers) 570410-72-9 (free base) C7H14N4O4. CH2O2 218.21 46.03
Decitabine impurity (ring-opening) C8H14N4O5 246.22
Decitabine impurity 1 C6H12O4 148.16
Decitabine impurity 2 4330-34-1 C22H24O6 384.43
Decitabine impurity 3 113476-23-6 C21H22O6 370.41
Dimenhydrinate Impurity H HCl C17H20BrNO.HCl 334.26 36.46
Dimenhydrinate Impurity K (Bis(diphenylmethy) Ether) C26H22O 350.46
Dimenhydrinate Impurity D C20H28N2O 312.46
Dimenhydrinate Impurity J 119-61-9 C13H10O 182.22
Dimenhydrinate Impurity F C16H19NO 241.34
Dimenhydrinate Impurity(8-chloro-1-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione) 6136-36-3 C6H5ClN4O2 200.59
Doxorubicinolone C21H20O9 416.39
Delphinidin 3-Sambubioside Chloride C26H29O16 . Cl 597.51 35.45
Delphinidin 3-D-Glucoside 6906-38-3 C21H21O12 Cl 465.39 35.45
Domoic acid 14277-97-5 C15H21NO6 311.34
Desmopressin Acetate 62288-83-9 C46H64N14O12S2 . C2H4O2 1069.24 60.05
Desmopressin-d5 C46H59N14O12S2D5 1074.27
Calcium Dobesilate 20123-80-2 (C6H5O5S)2. Ca 418.41
Diphenidol HCl 3254-89-5 C21H27NO. HCl 309.46 36.46
Enalaprilat(Enalapril EP Impurity C) 76420-72-9 C18H24N2O5 348.4
Enalapril EP Impurity H (Mixture of Isomers) N/A C20H34N2O5 382.5
Enalapril EP Impurity F Maleate C22H32N2O5. C4H4O4 404.51 116.07
Enalapril EP Impurity G (Mixture of Diastereomers) C15H27NO4 285.39
Enalapril-d5 349554-02-5 (non-d) C20H23N2O5D5 381.49
Enalaprilat-d5 349554-00-3(non-d) C18H19N2O5D5 353.43
Enalapril EP Impurity A (SSR) 1356932-13-2 C20H28N2O5 376.46
Enalapril Maleate C20H28N2O5.C4H4O4 376.46 116.07
Enalapril EP Impurity E Maleate N/A C26H32N2O5. C4H4O4 452.56 116.07
Enalapril EP Impurity D (Enalapril diketopiperazine) 115729-52-7 C20H26N2O4 358.44
Enalapril EP Impurity B 82717-96-2 82717-96-2 279.34
Entacapone 130929-57-6 C14H15N3O5 305.29
Cis-Entacapone 145195-63-7 C14H15N3O5 305.29
Entacapone-d10 130929-57-6 (non-d) C14H5N3O5D10 315.35
Entacapone Impurity G 857629-78-8 C15H17N3O5 319.32
Entacapone-3-beta-D-Glucuronide 15869-75-1 C20H23N3O11 481.42
N-Methyl Etodolac NULL C18H23NO3 301.39
(S)-Etodolac-d3 C17H18NO3D3 290.38
(R)-Etodolac-d3 C17H18NO3D3 290.38
8-Isopropyl Etodolac 849630-65-5 C18H23NO3 301.39
8-Propyl Etodolac 57816-83-8 C18H23NO3 301.39
1-Isopropyl Etodolac 57917-63-2 C18H23NO3 301.39
1-Propyl Etodolac 57817-27-3 C18H23NO3 301.39
Etodolac Impurity C C16H19NO3 273.33
6-Hydroxy Etodolac NULL C17H21NO4 303.36
Etodolac acyl glucuride NULL C23H29NO9 463.49
rac Etodolac 41340-25-4 C17H21NO3 287.36
(S)-Etodolac C17H21NO3 287.36
(R)-Etodolac C17H21NO3 287.36
Etodolac impurity A C15H17NO3 259.31
Etodolac impurity B C16H19NO3 273.33
rac Etodolac-13C-d3 C17H18NO3D3 291.37
Ezetimibe-d4 1093659-90-5 C24H17F2NO3D4 413.46
4’-O-Benzyl Ezetimibe 163222-32-0 C31H27F2NO3 499.56
ent-Ezetimibe 1376614-99-1 C24H21F2NO3 409.44
3-O-Acetyl ezetimibe C26H23F2NO4 451.47
Ezetimibe Diacetate C28H25F2NO5 493.51
Ezetimibe Tetrahydropyran Impurity (SCH59566) 1296129-15-1 C24H21F2NO3 409.44
Ezetimibe Impurity 1 ((3'S,3R,4S)-Desfluoro Ezetimibe) 190595-66-5 C24H22FNO3 391.45
Ezetimibe Azetidinone Ring-opened Impurity 1391053-63-6 C24H23F2NO4 427.45
Ezetimibe Phenexy Glucuronide 190448-57-8 C30H29F2NO9 585.56
Ezetimibe (3R,4R,3'R)-isomer C24H21F2NO3 409.44
Ezetimibe (3S,4S,3'S)-isomer C24H21F2NO3 409.44
Ezetimibe Fluoro Isomer N/A C24H21F2NO3 409.44
Ezetimibe (3S,4R,3'S)-Isomer N/A C24H21F2NO3 409.44
Ezetimibe Impurity ((S)-4-Phenyloxazolidin-2-one) 99395-88-7 C9H9NO2 163.18
Ezetimibe Deprotected Impurity ((S)-3-{(2R, 5S)-5-(4-Fluorophenyl)-2-[(S)-(4-Fluorophenylamino)-(4-OH-phenyl)methyl]-5-O 1185883-04-2 C33H30F2N2O5 572.61
Ezetimibe Impurity B N/A C12H15FO3 226.25
Ezetimibe Ring-Open Impurity 1197811-72-5 C24H23FNO3 411.45
Ezetimibe Dehydoxy Impurity 204589-58-2 C24H21F2NO2 393.44
Ezetimibe Hydroxy Glucuronide 536709-33-8 C30H29F2NO9 585.56
Ezetimibe Impurity 2 C31H26FNO3 479.56
Ezetimibe Impurity 3 C31H26FNO3 479.56
Ezetimibe Impurity 4 C31H25F2NO3 497.55
Ezetimibe Impurity 5 C31H27F2NO3 499.56
Benzyl Ezetimibe Diol (Mixture of Diastereomers) C31H31F2NO3 503.59
Ezetimibe Diol 1374250-08-4 C24H25F2NO3 413.47
Ezetimibe Lactam Cleaved Alcohol C24H23F2NO2 395.45
Ezetimibe (3R,4R,3'S)-Isomer 1478664-02-6 C24H21F2NO3 409.44
Ezetimibe (3S,4S,3'R)-Isomer C24H21F2NO3 409.44
Ezetimibe 2-Fluoro Impurity C24H21F2NO3 409.44
Ezetimibe 163222-33-1 C24H21F2NO3 409.44
Ezetimibe 3-Fluoro Impurity C24H21F2NO3 409.44
Ezetimibe Aniline Impurity C24H22F2N2O2 408.45
Ezetimibe desfluoro chloro impurity C24H21ClFNO3 425.89
Ezetimibe desfluoro methyl impurity C25H24FNO3 405.47
Ezetimibe ring-opening dehydrate impurity 1292292-63-7 C24H21F2NO3 409.44
Ezetimibe benzyl impurity C31H27F2NO3 499.56
Mixture of Ezetimibe (3R,4R,3'R)-Isomer and Ezetimibe (3R,4R,3'S)-Isomer C24H21F2NO3 409.44
Mixture of Ezetimibe (3S,4S,3'S)-Isomer and Ezetimibe (3S,4S,3'R)-Isomer C24H21F2NO3 409.44
Ezetimibe impurity (tetrahydro-pyran-2-one) C24H21F2NO3 409.44
Ezetimibe impurity (3-[5-(4-Fluoro-phenyl)-5-(R)-hydroxy-pentanoyl]-4-(R)-phenyl-oxazolidin-2-one) C20H20FNO4 357.39
Ezetimibe-d4 phenolic glucuronide NULL C30H25F2NO9D4 589.59
Ezetimibe impurity (3-[5-(4-Fluoro-phenyl)-5-(S)-hydroxy-pentanoyl]-4-(S)-phenyl-oxazolidin-2-one) C20H20FNO4 357.39
Ezetimibe impurity (3-[5-(4-Fluoro-phenyl)-5-(R)-hydroxy-pentanoyl]-4-(S)-phenyl-oxazolidin-2-one) C20H20FNO4 357.39
Ezetimibe impurity (3-[5-(4-Fluoro-phenyl)-5-(S)-hydroxy-pentanoyl]-4-(R)-phenyl-oxazolidin-2-one) C20H20FNO4 357.39
Ezetimibe Related Impurity 6 N/A C24H21F2NO3 409.44
Ezetimibe Related Impurity 7 204589-68-4 C24H19F2NO2 391.42
Ezetimibe Impurity 8 C20H18FNO4 355.37
Ezetimibe Impurity 9 272778-12-8 C39H46F2N2O5Si2 716.98
MBZT-2 C31H27F2NO3 499.56
(R)-Ezetimibe 163380-16-3 C24H21F2NO3 409.44
Ezetimibe Ketone 191330-56-0 C24H19F2NO3 407.42
Elvitegravir C23H23ClFNO5 447.89
Elvitegravir-d6 N/A C23H17ClFNO5D6 453.93
Elvitegravir-d8 697761-98-1 (non-labelled) C23H15ClFNO5D8 455.94
Ezetimibe Impurity ((2R,3S)-2-[(4-Benzyloxyphenyl)-4-(4-Fluorophenylamino)methyl]pentanedioic acid) 1013025-04-1 C25H24FNO5 437.47
Enzalutamide 915087-33-1 C21H16F4N4O2S 464.44
N-Desmethyl Enzalutamide-d6 1242137-16-1 (non-labelled) C20H8F4N4O2SD6 456.45
N-Desmethyl Enzalutamide 1242137-16-1 C20H14F4N4O2S 450.42
Enzalutamide-d3 1443331-82-5 C21H13F4N4O2SD3 467.46
Desfluoro Ezetimibe 302781-98-2 C24H22FNO3 391.45
Ebastine Impurity E C33H41NO2 . C4H4O4 483.70 116.07
4-Demethyl Epipodophyllotoxin(DMEP) 6559-91-7 C21H20O8 400.39
Efavirenz-d5 154598-52-4 C14H4ClF3NO2D 320.71
Ertapenem-d4 Disodium N/A C22H19N3O7SD4 2Na 477.53 2x22.99
Ertapenem Side Chain Enantiomer 1 C20H19N3O7S 445.45
Ertapenem Side Chain Enantiomer 2 HCl 503607-49-6 C12H14N2O3S. HCl 266.32 36.46
Ertapenem N-Carbonyl Dimer Impurity 1199797-43-7 C44H48N6O13S2 933.03
Ertapenem Dimer Ester Impurity 402955-38-8 C44H50N6O14S2 951.05
Ertapenem Impurity  Pro-maba C12H14N2O3 234.26
Ertapenem Impurity DIPP 220031-86-7 C18H27N2O6PS 430.46
Ertapenem side chain impurity  (propyl ester) C15H20N2O3S 308.4
Ertapenem Ring Open Impurity C22H27N3O8S 493.54
Ertapenem Dimer Amide Impurity C44H50N6O14S2 951.05
rac Methyl Efavirenz 353270-76-5 C15H11ClF3NO2 329.71
Efavirenz impurity ((S)-6-chloro-4-{[(2RS,2RS)-2-methylcyclopropyl]ethynyl}-4-(trifluoromethyl)-2 H-3,1-benzoxazin-2-one C15H11ClF3NO2 329.71
Efavirenz impurity ((S)-6-chloro-4-(pent-1-ynyl)-4-(trifluoromethyl)-2 H-3,1-benzoxazin-2-one) C14H11ClF3NO2 317.7
Efavirenz impurity ((S)-6-chloro-4-(3-methylbut-3-en-1-ynyl)-4-(trifluoromethyl)-2 H-3,1-benzoxazin-2-one ) C14H9ClF3NO2 315.68
Efavirenz impurity ((S,Z)-6-chloro-4-(pent-3-en-1-ynyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one) C14H9ClF3NO2 315.68
Efavirenz Benzoylaminoalcohol Impurity C21H17ClF3NO3 423.82
Efavirenz Cyclobutenylindole Impurity C16H13ClF3NO2 343.74
Efavirenz Penteneyne Impurity C14H9ClF3NO2 315.68
Efavirenz Cyclobutenylindole Impurity 2 C16H13ClF3NO2 343.74
Efavirenz C14H9ClF3NO2 315.68
Epoxiconazole-d4 C17H9ClFN3OD4 333.79
Epoxiconazole 135319-73-2 C17H13ClFN3O 329.76
Efavirenz Related Compound A 209414-27-7 C13H11ClF3NO 289.69
Esreboxetine Metabolite A C19H23NO4 329.4
Esreboxetine Metabolite B C19H23NO4 329.4
Esreboxetine Metabolite C C17H19NO3 285.35
3-Morpholine Metabolite C19H21NO4 327.38
Efavirenz Related Compound B N/A C14H11ClF3NO2 317.7
Emorfazone 38957-41-4 C11H17N3O3 329.28
Efavirenz Related Compound C 391860-73-4 C13H9ClF3N 271.67
Diisopropyl Ether 108-20-3 C6H14O 102.18
Efavirenz Ring-opening Impurity N/A C14H9ClF3NO2 315.68
Etomidate Impurity C HCl 66512-39-8 C15H18N2O2 HCl 258.32 36.46
Efavirenz -R-isomer C14H11ClF3NO2 317.7
Emetine DiHCl 316-42-7 C29H40N2O4. 2 HCl 480.65 2 36.46
8-Hydroxy Efavirenz 205754-33-2 C14H9ClF3NO3 331.68
rac 8-Hydroxy Efavirenz 205754-32-1 C14H9ClF3NO3 331.68
Aminobenzoylecgonine C16H20N2O4 304.35
Edoxaban Tosylate Hydrate 1229194-11-9 C24H30ClN7O4S. C7H8O3S. H2O 548.07 172.20 18.02
Edoxaban-D6 C24H24ClN7O4SD6 554.1
Edoxaban impurity G 1255529-26-0 C24H30ClN7O4S 548.07
Edoxaban  impurity H 1255529-28-2 C24H30ClN7O4S 548.07
Edoxaban impurity I 1255529-23-7 C24H30ClN7O4S 548.07
Enoxacin 74011-58-8 C15H17FN4O3 320.33
Etiocholanolone 53-42-9 C19H30O2 290.45
11-beta-Hydroxy Etiocholanolone 739-26-4 C19H30O3 306.45
11-beta-Hydroxy Etiocholanolone-D5 739-26-4 (non-labelled) C19H25O3D5 311.48
Enoxacin-d8 74011-58-8 (non-d) C15H9D8FN4O3 328.35
Epichlorohydrin (1-Chloro-2, 3-Epoxypropane) 106-89-8 C3H5ClO 92.53
Ethynodiol N/A C20H28O2 300.44
Ethynodiol-17-Acetate N/A C22H30O3 342.48
Ethynodiol Impurity (17-alfa-Ethinyl-17-beta-Acettoxy-3,5-Estradien Impurity) 64850-62-0 C22H28O2 324.47
Eperezolid 165800-04-4 C18H23FN4O5 394.41
Erdosteine 84611-23-4 C8H11NO4S2 249.31
Erdosteine thioacid diammonium salt C8H13NO5S2. 2NH3 267.32   2x17.03
Ethylcyclotene 53263-58-4 C8H12O2 140.18
Eluxadoline 864821-90-9 C32H35N5O5 569.67
Estradiol-d3 79073-37-9 C18H21O2D3 275.41
2-Hydroxy Ethynyl Estradiol C20H24O3 312.41
3-Cypionate Estradiol C26H36O3 396.58
6-alpha Hydroxy Estradiol C18H24O3 288.39
Estradiol Valerate Impurity C 95959-20-9 C23H30O3 354.49
Ethinylestradiol Impurity G C20H22O3 310.4
17-alpha-Ethynyl Estradiol-3-Sulfate (Mixed with di-sulfate) C20H24O5S 376.48
Ethynylestradiol Impurity E (6-alpha-Hydroxy Ethynylestradiol) 27521-34-2 C20H24O3 312.41
Ethynylestradiol Impurity F (6-beta-Hydroxy Ethynylestradiol) 56324-28-8 C20H24O3 312.41
6, 7-Didehydroethynylestradiol (Impurity I) C20H22O2 294.4
Estradiol-d3 Glucuronide C24H29O8D3 451.54
4-Methylestradiol Valerate C24H34O3 370.54
Delta-9(11)-Estradiol (Estradiol Hemihydrate Impurity D) NA C18H22O2 270.37
6-beta-Hydroxyestradiol C18H24O3 288.39
Estradiol 17-Butyrate C22H30O3 342.48
3,17-Divalerate Estradiol C28H40O4 440.63
3-Valerate Estradiol C23H32O3 356.51
Estradiol Valerate 979-32-8 C23H32O3 356.51
Ethinylestradiol Impurity H C20H22O3 310.4
Delta-9(11)-Estradiol 3-Enanthate C25H34O3 382.55
Estradiol Glucuronide C24H32O8 448.52
Delta-9(11)-Estradiol 17-Enanthate C25H34O3 382.55
17-epi Ethylnyl Estradiol (Impurity A) 4717-38-8 C20H24O2 296.41
9,11-Dehydro Ethylnyl Estradiol (Impurity B) 1231-96-5 C20H22O2 294.4
Ethynylestradiol Impurity M 1818-11-7 C21H24O2 308.42
17-epi Estradiol Valerate C23H32O3 356.51
17-epi-Estradiol (Estradiol Impurity B) 57-91-0 C18H24O2 272.39
17-Beta-Estradiol-3-O-Sulfate Sodium 4999-79-5 C18H23O5S Na 351.45 22.99
Delta-8,9-Dehydro-Estradiol-3-O-Sulfate Sodium 61612-83-7 C18H19O5S Na 347.41 22.99
17-alpha Estradiol-d3 C18H21O2D3 275.41
Diethinylestradienol 79727-03-0 C22H26O 306.45
17-alpha-ethynylestradiol-d4 NULL C20H20O2D4 300.44
Estradiol 3-Enanthate 55540-97-1 C25H36O3 384.56
6-Ketoestradiol 571-92-6 C18H22O3 286.37
Ethinylestradiol Impurity K 155683-61-7 C21H26O2 310.44
1-Methyl Esthynyl Estradiol 15071-66-6 C21H26O2 310.44
Estradiol Impurity C (4-Methyl Estradiol) 6171-48-8 C19H26O2 286.42
4-Methyl Estradiol Enanthate Impurity C26H38O3 398.59
Estradiol related compound B 7291-41-0 C18H22O2 270.37
4-Methyl estradiol valerate C24H34O3 370.54
4-Hydroxy estradiol 1-N7-guanine 178971-91-0 C23H27N5O4 437.5
4-Hydroxy estradiol 1-N3-Adenine 428506-88-1 C23H27N5O3 421.5
Estradiol-d5 C18H19O2D5 277.42
Estradiol Benzoate Impurity E (17-epi- Estradiol Benzoate) 6045-53-0 C25H28O3 376.5
Erythrosine 16423-68-0 C20H6I4O5. 2 Na 833.89 2 22.99
Estradiol C18H24O2 272.39
Estradiol Enanthate 4956-37-0 C25H36O3 384.56
Estradiol-d4 (17-beta-Estradiol-d4) C18H20O2D4 276.41
17-alpha Ethynyl Estradiol C20H24O2 296.41
Everolimus NULL C53H83NO14 958.25
Everolimus-d4 1338452-54-2 C53H79NO14D4 962.27
Everolimus Related Compound 3 C32H49NO9 591.75
Everolimus Ring-Opening Impurity C53H83NO14 958.25
Everolimus Dehydrate Impurity C53H83NO14 958.25
Everolimus O-Desmethyl Impurity C52H81NO14 944.22
Everolimus O-Ethyl Impurity C54H85NO14 972.28
Everolimus 27-O-Desmethyl Impurity C52H81NO14 944.22
Everolimus 28-Ethylhydroxy Impurity C53H83NO14 958.25
Estrone-d4 NULL C18H18O2D4 274.4
Estrone Acetate C20H24O3 312.41
Delta-8,9-Dehydro Estrone 474-87-3 C18H20O2 268.26
Delta-8,9-Dehydro Estrone Sulfate Sodium Salt 61612-83-7 C18H19O5S Na 347.41 22.99
4-Hydroxy estrone 1-N7-guanine 178971-92-1 C23H25N5O4 435.49
4-Hydroxy estrone 1-N3-Adenine 488841-24-3 C23H25N5O3 419.49
Estrone 3-Sulfate Sodium Salt NULL C18H21O5S.Na 349.43 22.99
Estrone-d4 3-Sulfate Sodium Salt 285979-80-8 C18H17O5SD4.Na 353.45 22.99
3-O-Methyl Estrone C19H24O2 284.4
Estrone-3-Glucuronide (Estrone beta-D-Glucuronide) 2479-90-5 C24H30O8 446.5
Estrone-d4-3-glucuronide (Estrone-d4 β-D-Glucuronide Sodium Salt) C24H26O8D4 450.53
4-Methoxy estrone C19H24O3 300.4
2-Methoxy estrone C19H24O3 300.4
Estrone 53-16-7 C18H22O2 270.37
Eletriptan 143322-58-1 C22H26N2O2S 382.53
Eletriptan-d3 143322-58-1 (non-d) C22H23N2O2SD3 385.55
Eletriptan N-oxide C22H26N2O3S 398.53
N-Desmethyl eletriptan hydrochloride C21H24N2O2S.HCl 368.50  36.5
Eplerenone Hydroxyacid Potassium salt 95716-98-6 C24H31O7.K 431.51 39.10
Eplerenone-d3 C24H27O6D3 417.52
Eplerenone 107724-20-9 C24H30O6 414.49
Eplerenone-13C-d3 107724-20-9 (non-d) C24H27O6D3 418.51
6β-Hydroxy Eplerenone 209253-80-5 C24H30O7 430.5
21-Hydroxy Eplerenone C24H30O7 430.5
Δ9,11-7β-Eplerenone C24H30O5 398.5
EDROPHONIUM C10H11NOD5.Cl 171.28 35.45
Eprosartan Mesylate 133040-01-4 C23H24N2O4S.CH4O3S 424.52 96.11
Eprosartan Impurity 1 C26H30N2O4S 466.6
Eprosartan Impurity 2 C19H20N2O6 372.38
Eprosartan Impurity 3 C18H20N2O4 . CH4O3S 328.37 96.11
Eprosartan Impurity 4 C16H18N2O3 286.33
Eprosartan-d4 133040-01-4 (non-d) C23H20N2O4SD4 428.55
Eprosartan acyl glucuronide C29H32N2O10S 600.65
Eprosartan related compound A C15H18N2O2S 290.39
Eprosartan related compound B 5928-51-8 C7H8O2S 156.2
Eprosartan related compound C C8H8O4S 200.21
Eprosartan related compound D 6232-88-8 C8H7BrO2 215.05
Eprosartan related compound E 3006-96-0 C8H8O3 152.15
Eprosartan related compound F 148674-39-9 C23H24N2O4S 424.52
Eicosapentaenoic acid (EPA) 10417-94-4 C20H30O2 302.46
Eicosapentaenoic acid (EPA) -d5 10417-94-4 (non-d) C20H25O2D5 307.49
Eicosapentaenoic acid ethyl ester-d5 C22H29O2D5 335.55
Eicosapentaenoic acid ethyl ester C22H34O2 330.52
Ebastine 90729-43-4 C32H39NO2 469.67
Ebastine-d5 90729-43-4 (non-d) C32H34NO2D5 474.7
Hydroxy Ebastine C32H39NO3 485.67
Hydroxy Ebastine-d5 C32H34NO3D5 490.7
Ebastine-d5 Fumarate C32H34NO2D5.C4H4O4 474.70 116.07
Ebastine Impurity B (4’-tert-Butylacetophenone) 943-27-1 C12H16O 176.26
Ebastine Impurity F N/A C32H39NO3 485.67
Ebastine Impurity G N/A C32H39NO3 485.67
Embonic Acid C23H16O6 388.38
Exemestane-d3 C20H21O2D3 299.43
Exemestane Related Compound B 121021-51-0 C20H26O3 314.43
Exemestane Related Compound 881896-95-3 C21H28O3 328.46
17β-Hydroxy Exemestane C20H26O2 298.43
17β-Hydroxy Exemestane Epoxide C20H26O3 314.43
Exemestane C20H24O2 296.41
Epoxy Exemestane C20H24O3 312.41
16α, 17α-Epoxy Exemestane C20H24O2 296.41
Exemestane Metabolite 1 N/A C20H27NO4S 377.51
Exemestane Metabolite 2 N/A C21H28O4 344.45
Exemestane Related Compound A 19457-55-7 C20H26O2 298.43
Erythromycin-13C-D3 C3H64NO1313CD3 737.95
N-Desmethyl Erythromycin C36H65NO13 719.92
Erythromycin (Roxithromycin Impurity A) 114-07-8 C37H67NO13 733.95
Erythromycylamine 26116-56-3 C37H70N2O12 734.98
Erythromycylamine-13C-D3 C37H67N2O12D3 738.98
Etonogestrel-d6 (3-Keto-desogestrel-d6) C22H22O2D6 330.5
Etravirine 269055-15-4 C20H15BrN6O 435.29
Etravirine-d6 269055-15-4 (non-d) C20H9BrN6OD6 441.35
Etravirine-d4 269055-15-4 (non-d) C20H11BrN6OD4 439.35
Dihydroxy Etravirine 1246818-67-6 C20H15BrN6O3 467.28
Monohydroxy Etravirine 1246815-68-8 C20H15BrN6O2 451.29
Entecavir 142217-69-4 C12H15N5O3 277.29
3',5'-Di-O-benzyl Entecavir 142217-81-0 C26H27N5O3 457.54
Entecavir Related Compound A (Impurity F) 649761-24-0 C27H31N5O2Si 485.67
8-Hydroxy Entecavir C12H15N5O4 293.28
Entecavir Impurity A N/A C12H15N5O4 293.28
Entecavir Impurity E N/A C14H21N5O4Si 351.44
Entecavir-d2 142217-69-4 (non-d) C12H13N5O3D2 279.34
Entecavir-15N-13C2 C1013C2H15N415NO3 280.26
Entecavir Glucuronide C18H23N5O9 453.41
Entecavir Impurity ET-2 C12H15N5O3 277.29
(1R, 3S, 4S)-Entecavir (Impurity D) N/A C12H15N5O3 277.29
1’-epi-Entecavir (Impurity B) N/A C12H15N5O3 277.29
(1R, 3R, 4R)- Entecavir 1367369-76-3 C12H15N5O3 277.29
3'-epi-Entecavir (Impurity C) C12H15N5O3 277.29
Eflornithine HCl 96020-91-6 C6H12F2N2O2 182.17
Eflornithine-15N-13C2 C6H12F2N2O2 185.14
Epinephrine (Adrenaline) 51-43-4 C9H13NO3 183.21
Adrenaline Impurity F N/A C9H13NO5S 247.27
Normetanephrine HCl 1011-74-1 C9H13NO3. HCl 183.21 36.46
D-(+)-Epinephrine 150-05-0 C9H13NO3 183.21
(±)-Metanephrine-d3 HCl (N-Methyl-d3) 1215507-88-2 C10H12NO3D3. HCl 200.25 36.46
Adrenaline Impurity C 62-13-5 C9H11NO3 . HCl 181.19 36.46
Deoxyepinephrine 501-15-5 C9H13NO2 167.21
Adrenaline Impurity C10H15NO3 197.24
Epinephrine-d3 51-43-4 (non-d) C9H10NO3D3 186.23
Epinephrine Glucuronide 54964-61-3 C15H21NO9 359.34
Epinephrine-d6 C9H7NO3D6 189.25
Epinephrine Sulfate 77469-50-2 C9H13NO6S 263.27
Metanephrine 5001-33-2 C10H15NO3 197.24
Epinephrine Sulfonic Acid 26405-77-6 C9H13NO5S 247.27
Adrenaline Impurity D N/A C16H19NO3 273.33
Adrenaline Impurity E N/A C16H17NO3 271.32
Ethambutol-d4 Dihydrochloride 1070-11-7 (non-labelled) C10H20N2O2D4.2 HCl 281.26
Ethambutol diHCl 23981-47-7 C10H24N2O2.2 HCl 204.31 2 36.46
Ethambutol-d8 C10H16N2O2D8 212.36
Erlotinib HCl 183319-69-9 C22H23N3O4.HCl 393.45 36.46
Erlotinib O-Desmethyl Metabolite Isomer (M14) HCl 183320-51-6 C21H21N3O4. HCl 379.42 36.46
Erlotinib impurity, 6,7-bis(2-chloroethoxy) 183321-82-6 C20H17Cl2N3O2 402.28
Erlotinib impurity, 6-(2-methoxyethoxy)-7-(2-chloroethoxy) 183321-83-7 C21H20ClN3O3 397.86
Erlotinib impurity, 6-(2-chloroethoxy)-7-(2-methoxyethoxy) 183321-85-9 C21H20ClN3O3 397.86
Erlotinib impurity 1 C22H24ClN3O4 429.91
Erlotinib impurity 2 C13H14Cl2N2O3 317.17
Erlotinib impurity 3 C14H16Cl2N2O4 347.2
Erlotinib impurity 4 C21H23N3O6 413.43
Erlotinib Impurity (3-Ethynylailine) 54060-30-9 C8H7N 117.15
Erlotinib-d6 HCl C22H17N3O4D6.HCl 399.48 36.46
Erlotinib metabolite M11 882172-60-3 C21H19N3O5 393.4
Desmethyl Erlotinib Carboxylate Acid 1170354-84-3 C21H19N3O5 393.4
Desmethyl Erlotinib C21H21N3O4 379.42
Erlotinib Hydroxy Metabolite C22H23N3O5 409.45
Erlotinib Carboxylic Acid C22H25N3O6 427.46
Erlotinib O-Desmethyl Metabolite Isomer (M13) C21H21N3O4 379.42
Didesmethyl Erlotinib 183320-12-9 C21H23N3O4 381.44
Ethacrynic Acid 58-54-8 C13H12Cl2O4 303.14
Ethacrynic Acid-d5 58-54-8 (non-labelled) C13H7Cl2O4D5 308.17
Ethacrynic acid Impurity B N/A C13H13Cl3O4 339.61
Ethacrynic Acid Impurity A N/A C12H12Cl2O4 291.13
Ethacrynic Acid Impurity C N/A C26H24Cl4O8 606.29
17-Dihydroequilin C18H22O2 270.37
17-Dihydroequilin sulfate C18H22O5S 350.44
Equilin-d4 Sulfate Sodium Salt C18H15O5SD4.Na 351.44 22.99
Equilin-d4 C18H16O2D4 272.38
Equilin 3-Sulfate Sodium Salt 16680-47-0 C18H19O5S. Na 347.41 22.99
Equilin 474-86-2 C18H20O2 268.36
Equilin 3-O-beta-D-Glucuronide Sodium Salt 27610-12-4 C24H27O8 . Na 443.48 22.99
Equilin-d4 3-beta-O-D-Glucuronide Sodium Salt C24H23O8D4 . Na 447.50 22.99
17-Dihydroequilenin C18H20O2 268.36
17-Dihydroequilenin sulfate C18H20O5S 348.42
Equilenin Sulfate Sodium 16680-48-1 C18H17FO5S Na 345.40 22.99
Equilenin 517-09-9 C18H18O2 266.34
17β-Dihydro Equilenin (BETA-EQUILENOL) 1423-97-8 C18H20O2 268.36
Erucamide C22H43NO 337.59
Emedastine Difumarate 87233-62-3 C17H26N4O.C8H8O8 302.42 232.15
Emedastine-d5 N/A C17H21N4OD5 307.45
Emedastine-13C, d3 N/A C17H23N4OD3 306.43
Estriol 50-27-1 C18H24O3 288.39
Estriol Impurity A 246021-20-5 C18H22O3 286.37
Estriol Impurity C 18650-87-8 C19H26O3 302.42
Estriol Impurity E 1228-72-4 C18H24O3 288.39
Estriol Impurity F 547-81-9 C18H24O3 288.39
Estriol Impurity G 793-89-5 C18H24O3 288.39
17-alpha-Ethynylestriol 4717-40-2 C20H24O3 312.41
Eperisone Hydrochloride 56839-43-1 C17H25NO.HCl 295.85
Eperisone-d10 Hydrochloride C17H15NOD10.HCl 305.92
Omega-Hydroxy Eperisone (M3) C17H25NO2 275.39
Reduced Omega-Hydroxy Eperisone (M6) C17H27NO2 277.41
Omega-1-Hydroxy Eperisone (M4) C17H25NO2 275.39
Reduced Omega-1-Hydroxy Eperisone (M4) C17H27NO2 277.41
Ethionamide 536-33-4 C8H10N2S 166.25
Ethionamide-d5 C8H5N2SD5 171.28
Ethionamide Sulfoxide 536-28-7 C8H10N2OS 182.25
Ethionamide-d3 C8H7N2SD3 169.26
4-Thioisonicotinicamide C6H6N2S 138.19
2-Methy-4-Thioisonicotinicamide C7H8N2S 152.22
2,6-Diethyl-4-Thioisonicotinicamide C10H14N2S 194.3
Etaqualone C17H16N2O 264.33
Etifoxine 21715-46-8 C17H17ClN2O 300.78
Etifoxine-d3 C17H14ClN2OD3 303.81
Etifoxine-d5 C17H12ClN2OD5 305.82
N-Desethyl Etifoxine C15H13ClN2O 272.74
N-Desethyl Etifoxine-d3 C15H10ClN2OD3 275.75
N-Desethyl Etifoxine-d5 C15H8ClN2OD5 277.77
Etifoxine-13C-d3 C1613CH14ClN2OD3 304.8
N-Desethyl Etifoxine-13C-d3 C1413CH10ClN2OD3 276.74
Etifoxine Metabolite C15H13ClN2O 272.74
Eprinomectin-d3 (Mixture of B1a and B1b) 123997-26-2 (non-labelled) C50H72NO14D3 (component B1a); C49H70NO14D3 (compon 917.17 (component B1a); 903.14 (componen
Eprinomectin 123997-26-2 914.15;  900.13 C50H75NO14; C49H73NO14
Emamectin-d3 (Mixture of B1a and B1b) 119791-41-2 (non-labelled) C49H72D3NO13 (B1a);  C48H70NO13D3 (B1b) 889.16 (B1a); 875.13 (B1b)
Epinastine Hydrochloride 108929-04-0 C16H15N3.HCl 285.78
7-Bromo Epinastine 1217052-16-8 C16H14BrN3 328.21
7-Chloro Epinastine Hydrochloride 80012-45-9 C16H14ClN3.HCl 319.82
9-Oxo Epinastine HBr 745761-19-7 C16H13N3O. HBr 263.30 80.91
Dehydro Epinastine Hydrochloride 141342-70-3 C16H13N3.HCl 283.76
Epinastine Related Compound A 41218-84-2 C15H16N2 224.31
Epinastine Impurity A C16H13N3 247.3
Epinastine Impurity B HBr 1217052-16-8 (free base) C16H14BrN3. HBr 328.21 80.91
Enrofloxacin 93106-60-6 C19H22FN3O3 359.4
Desfluroenrofloxacin Hydrochloride 93107-11-0 C19H24N3O3Cl 377.87
Etoricoxib 202409-33-4 C18H15ClN2O2S 358.85
Etoricoxib-d3 C18H12ClN2O2SD3 361.87
Etoricoxib-13C, d3 N/A C18H12ClN2O2SD3 362.86
Etoricoxib N-Oxide 325855-74-1 C18H15ClN2O3S 374.85
Etoricoxib impurity 1 349536-39-6 C18H13ClN2O4S 388.83
Etoricoxib impurity 2 349536-41-0 C18H15ClN2O3S 374.85
Ethinylestradiol 57-63-6 C20H24O2 496.41
Ethinylesteradiol Impurity H (16-Oxo- Ethinylesteradiol) 1350468-76-6 C20H22O3 310.4
Ethinylesteradiol Impurity L C18H24O2 272.39
Ethinylestradiol-3-Glucuronide 60134-76-1 C26H32O8 472.53
(13S,14R, 17R)-Ethinylestradiol C20H20O2 292.38
(13S,14R, 17S)-Ethinylestradiol C20H20O2 292.38
(13S,14S, 17R)-Ethinylestradiol C20H20O2 292.38
(13S,14S, 17S)-Ethinylestradiol C20H20O2 292.38
Esmolol-d7 HCl C16H18NO4D7.HCl 302.42 36.46
Esmolol-d7 Acid Sodium Salt C15H15NO4D7. Na 287.39 22.99
Esmolol Acid Sodium Salt C15H22NO4. Na 280.35 22.99
Esmolol HCl 81161-17-3 C16H25NO4.HCl 295.38 36.46
Eltrombopag 496775-61-2 C25H22N4O4 442.48
Eltrombopag-13C4 N/A C25H22N4O4 446.43
Eltrombopag Olamine 496775-62-3 C25H22N4O4. 2 C2H7NO 442.48 2 61.08
Eltrombopag Glucuronide C31H30N4O10 618.61
N-Acetyl -SB-611855 Glucuronide C21H21NO10 447.4
Eltrombopag Amide C25H23N5O3 441.49
Eltrombopag Ethyl Ester C27H26N4O4 470.53
Eltrombopag Methyl Ester 1246929-01-0 C26H24N4O4 456.51
2-Methoxy-3,5-dibromo aniline C7H7Br2NO 280.95
2-Methoxy-3,6-dibromo aniline C7H7Br2NO 280.95
2-Methoxy-3,4-dibromo aniline C7H7Br2NO 280.95
Etafedrine HCl (Ethylephedrine HCl) C12H19NO.HCl 193.29 36.46
Erythritol 149-32-6 C4H10O4 122.12
Erythritol -d3 N/A C4H7O4D3 125.14
9(Z)-Eicosenoic Acid (Gadoleic Acid) 29204-02-2 C20H38O2 310,52
9(Z)-Eicosenoic Acid Methyl Ester 67810-35-9 C21H40O2 324.55
Edaravone 89-25-8 C10H10N2O 174.2
Edaravone Impurity III 1357477-99-6 C13H14N2O6S 326.33
Edaravone Impurity IV 7477-67-0 C20H18N4O2 346.39
Edaravone Impurity V C30H26N6O3 518.58
Edaravone Impurity VI 1323485-71-7 C13H16N2O4S 296.35
Econazole nitrate C18H15Cl3N2O . HNO3 381.69 63.01
Econazole nitrate impurity A C11H10Cl2N2O 257.12
Econazole nitrate impurity B C15H14Cl3NO 330.64
Econazole nitrate impurity C C25H21Cl4N2O 507.27
2-Bromo-alpha-Ergocryptine-d3 C32H37BrN5O5D3 657.63
Esterastin 67655-93-0 C28H46N2O6 506.69
Esterastin-d3 C28H43N2O6D3 509.71
Emtricitabine Enantiomer 137530-41-7 C8H10FN3O3S 247.25
Emtricitabine Ring-opening Impurity N/A C8H12FN3O4S 265.26
Emtricitabine trans-Cyclic Impurity C9H10FNO4S 247.25
Emtricitabine cis-Cyclic Impurity C9H10FNO4S 247.25
Emtricitabine Dimer Impurity C17H20F2N6O6S2 506.51
Emtricitabine-d3 N/A C8H7FN3O3SD3 250.27
Emtricitabine Carboxylic Acid 1238210-10-0 C8H8FN3O4S 261.23
Emtricitabine S-Oxide 152128-77-3 C8H10FN3O4S 263.25
Emtricitabine 143491-57-0 C8H10FN3O3S 247.25
Emtricitabine impurity B C8H10FN3O3S 247.25
Emtricitabine impurity (2,3'-dideoxy-5-fluoro-3-thiouridine) 145986-11-4 C8H9FN2O4S 248.23
5-epi-Emtricitabine N/A C8H10FN3O3S 247.25
(2R, 5R)-Emtricitabine Acid N/A C8H8FN3O4S 261.23
Etoposide-d3 N/A C29H29O13D3 591.59
Etoposide-13C, d3 N/A C29H29O13D3 592.58
Etoposide Hydroxy Acid N/A C29H34O14 606.59
Etoposide Impurity C N/A C29H32O13 588.57
Etoposide Impurity D N/A C27H30O13 562.53
Etoposide Impurity B C29H32O13 588.57
Epalrestat 82159-09-9 C15H13NO3S2 319.4
Epalrestat (Z, Z)-Isomer N/A C15H13NO3S2 319.4
Epalrestat (E, E)-Isomer N/A C15H13NO3S2 319.4
Epalrestat (E, Z)-Isomer N/A C15H13NO3S2 319.4
Epalrestat Dimer C30H26N2O6S4 638.81
Ergotamine 113-15-5 C33H35N5O5 581.68
8-Hydroxy Dihydro-Ergotamine (Mixture of Diastereomers) N/A C33H37N5O6 599.69
Dihydro Ergotamine-13C,d3 Mesylate N/A C33H34N5O5D3 CH4O3S 587.70 96.11
Dihydro Ergotamine Mesylate 6190-39-2 C33H37N5O5 CH4O3S 583.69 96.11
Dihydro Ergotamine Mesylate Related Compound 1 C34H39N5O5 597.72
Dihydro Ergotamine Mesylate Related Compound 2 C33H37N5O6 599.69
Dihydro Ergotamine Mesylate Related Compound 3 C33H37N5O5 583.69
Dihydro Ergotamine Mesylate Related Compound 4 C35H41N5O5 611.75
Esketamine Impurity C 90717-17-2 C12H13ClO2 224.69
Empagliflozin 864070-44-0 C23H27ClO7 450.92
Empagliflozin Sugar Dimer Impurity C47H54Cl2O15 929.85
Empagliflozin Sugar Dimer Impurity 1 C46H52Cl2O14 899.82
Empagliflozin Impurity 2 C24H29ClO8 480.95
(S)-Empagliflozin Peracetyl Impurity C31H35ClO11 619.07
Empagliflozin Impurity 3 C23H27ClO7 450.92
Empagliflozin Impurity 4 C24H29ClO8 480.95
Empagliflozin MonoAcetyl Impurity C25H29ClO8 492.96
Empagliflozin-d4 N/A C23H23ClO7D4 454.94
Empagliflozin Impurity A C23H29ClO8 468.94
Empagliflozin Impurity B C23H27ClO7 450.92
Empagliflozin Impurity C C23H27ClO7 450.92
Empagliflozin Impurity D C23H28O7 416.48
Empagliflozin Dimer Impurity C34H32Cl2O4 575.54
(S, R)-Empagliflozin Impurity C23H27ClO7 450.92
(S, S)-Empagliflozin Impurity C23H27ClO7 450.92
Eltenac 72895-88-6 C12H9Cl2NO2S 302.8
Ethosuximide 77-67-8 C7H11NO2 141.17
Ethosuximide-d3 1189703-33-0 C7H8NO2D3 144.19
Emodin 518-82-1 C15H10O5 270.24
Aloe Emodin 481-72-1 C15H10O5 270.24
Aloe Emodin Impurity A 25395-11-3 C21H16O8 396.36
Famciclovir-d4 NULL C4H15N5O4D5 325.36
Famciclovir dimer impurity 2 C30H40N10O8 668.72
Propionyl famciclovir C15H21N5O4 335.37
Famciclovir impurity 1 172529-94-1 C10H14ClN5O2 271.71
Famciclovir impurity 2 23169-37-1 C9H13N5O2 223.24
Famciclovir impurity 3 23169-37-1 C11H17N5O3 267.29
Famciclovir impurity 4 C10H11N5O5 281.23
Famciclovir impurity 5 183475-21-0 C11H15N5O3 265.27
Famciclovir impurity 6 C20H28N10O5 488.51
Famciclovir impurity 7 127205-22-5 C10H15N5O3 253.26
Famciclovir 6-Alkylamino Impurity N/A C23H33N5O8 507.55
FAMCICLOVIR C14H19N5O4 321.34
Famciclovir N-Acetyl Impurity N/A C16H21N5O5 363.38
Famciclovir Deoxy-chloro Impurity N/A C12H16ClN5O2 297.75
8-Oxo-desacetylated famciclovir C12H17N5O4 295.3
Desacetyl Famciclovir 104227-88-5 C12H17N5O3 279.3
Famciclovir Chloro Impurity N/A C14H18ClN5O4 355.78
Famciclovir Dimer Impurity N/A C22H32N6O8 508.54
Famciclovir Related Compound A 246021-75-0 C10H15N5O2 . HCl 237.26 36.46
Famciclovir Related Compound B 104227-88-5 C12H17N5O3 279.3
Famciclovir Related Compound C 174155-70-5 C12H17N5O2 263.3
Fenofibric acid NULL C17H15ClO4 318.76
Fenofibric acid-d6 NULL C17H9D6ClO4 324.8
Fenofibric Acyl Glucuronide NULL C23H23ClO10 494.89
Fenofibrate Impurity C 217636-47-0 C17H15ClO3 302.76
Fenofibrate Impurity F 154356-96-4 C16H15ClO2 274.75
Fenofibrate Impurity G C24H27ClO6 446.93
Fenofibrate impurity D 42019-07-8 C18H17ClO4 332.79
Fenofibrate impurity E 42019-08-9 C19H19ClO4 346.81
Fexofenadine HCl 153439-40-8 C32H39NO4.HCl 538.13
Fexofenadine impurity L C32H37NO3 483.66
Fexofenadine-d10 HCl 153439-40-8 C32H29D10NO4.HCl 548.19
Fexofenadine-d10 1215900-18-7 C32H29NO4D10 511.73
Fexofenadine Methyl Ester C33H41NO4 515.7
Fexofenadine Related Compound A C32H37NO4 499.66
Fexofenadine Related Compound B 479035-75-1 C32H39NO4 501.67
Fexofenadine Decarboxylated Degradation Product N/A C31H39NO2 457.66
Fexofenadine Impurity G C32H37NO3 483.66
Fexofenadine impurity D C32H35NO3 481.64
Finasteride-d9 NULL C23H27N2O2D9 381.6
Finasteride Carboxylic Acid-D6 C23H28N2O4D6 408.57
Finasteride Triene Impurity C23H32N2O2 368.52
Finasteride Carboxylic Acid 116285-37-1 C23H34N2O4 402.54
Finasteride Impurity A 98319-24-5 C23H38N2O2 374.57
Finasteride Impurity B (Dutasteride Ester Impurity) 103335-41-7 C20H29NO3 331.46
Finasteride Impurity 166896-74-8 C23H36N2O2 372.56
Finasteride Impurity C 1329611-51-9 C23H34N2O2 370.54
Finasteride 98319-26-7 C23H36N2O2 372.56
Finasteride Related Compound C C25H38N2O2 398.59
Flumequine 42835-25-6 C14H12FNO3 261.26
Flumequine-13C3 42835-25-6(non-d) C14H12FNO3 264.22
Levo-(-)-Flumequine C14H12FNO3 261.26
Dextro-(+)-Flumequine C14H12FNO3 261.26
Folinic Acid Calcium (Calcium Levofolinate) 80433-71-2 C20H21N7O7 . Ca 471.43 40.08
Folinic Acid Impurity A (4-Aminobenzoyl Glutamic Acid) 4271-30-1 C12H14N2O5 266.26
Folinic Acid Impurity B C21H23N7O8 501.46
Folinic Acid Impurity C C19H19N7O6 441.41
Folinic Acid Impurity D C20H19N7O7 469.42
Folinic Acid Impurity E 944737-05-7 C15H16N6O4 344.33
Folinic Acid Impurity F 28459-40-7 C20H21N7O7 471.43
Folinic Acid Impurity G (7,8-Dihydrofolic Acid) 4033-27-6 C19H21N7O6 443.42
Folinic Acid Impurity H C20H23N7O7 473.45
Furazolidone 67-45-8 C8H7N3O5 225.16
Flumazenil Impurity D 78755-80-3 C10H9FN2O2 208.19
Flumazenil Impurity E C15H15N3O3 285.31
Flumazenil Related Compound A C13H10FN3O3 275.24
Flumazenil Related Compound B C15H15N3O4 301.3
Flumazenil Related Compound C 1188-33-6 C7H17NO2 147.22
Fluoxetine HCl 59333-67-4 C17H18H3NO.HCl 345.79
Fluocortolone Pivalate 29205-06-9 C27H37FO5 460.59
Fluocortolone 152-97-6 C22H29FO4 376.47
Clocortolone caproate 4891-71-8 C28H38ClFO5 509.06
Difluocortolone Valerate 59198-70-8 C27H36F2O5 478.58
Clocortolone Pivalate 34097-16-0 C27H36ClFO5 495.04
Clocortolone 4828-27-7 C22H28ClFO4 410.92
Fluoxetine-d5 HCl 59333-67-4 C17H13F3N0D5.HCl 314.36 36.46
Fipronil 120068-37-3 C12H4Cl2F6N4OS 437.15
Fipronil Desulfinyl 205650-65-3 C12H4Cl2F6N4 389.09
Fipronil Sulfide 120067-83-6 C12H4Cl2F6N4S 421.15
Fipronil Sulfone 120068-36-2 C12H4Cl2F6N4O2S 453.15
Norfluoxetine HCl NULL C16H16F3NO.HCl 331.77
Farnesane 3891-98-3 C15H32 212.42
Norfluoxetine-d5 HCl NULL C16H11D5F3NO.HCl 336.8
Filgrastim C845H1343N223O243S9 18802.8
Fluoxetine Impurity A N/A C10H15NO 165.24
Fenretinide 65646-68-6 C26H33NO2 391.56
Fenretinide-d4 65646-68-6 (non-labelled) C26H29NO2D4 395.58
3-Keto Fenretinide 865536-65-8 C26H31NO3 405.54
3-Keto Fenretinide-d4 C26H27NO3D4 409.57
Fenretinide Glucuronide 79982-82-4 C32H41NO8 567.69
13-cis-Fenretinide C26H33NO2 391.56
4-Methoxy Fenretinide C27H35NO2 405.59
4-Methoxy Fenretinide-d4 C27H31NO2D4 409.61
Fenretinide-d4 Glucuronide 79982-82-4 (non-labelled) C32H37NO8D4 571.71
Fluoxetine Impurity B N/A C10H15N 149.24
Fidaxomicin 873857-62-6 C52H74Cl2O18 1058.06
Mono-Methylated Fidaxomicin C53H76Cl2O18 1072.09
Di-Methylated Fidaxomicin 185248-68-4 C54H78Cl2O18 1086.12
Fidaxomicin-d7 N/A C52H67Cl2O18D7 1065.11
Fluoxetine Impurity C (Fluoxetine USP Related Compound A) 79088-29-2 C17H18F3NO 309.33
Fluroxypyr-13C2 69377-81-9 (non-labelled) C7H5Cl2FN2O3 257.01
Fluoxetine USP Related Compound C N/A C21H22F3NO4 409.41
AB-FUBINACA 1185282-01-2 C20H21FN4O2 368.41
4' -Hydroxy flurbiprofen NULL C15H13FO3 260.27
Flurbiprofen Impurity C C15H13FO3 260.27
Firocoxib 189954-96-9 C17H20O5S 336.41
Flurbiprofen Impurity D C14H11FO 214.24
Flurbiprofen Impurity E C13H9FO2 216.21
Flurbiprofen Axetil (Mixture of Diastereomers) 91503-79-6 C19H19FO4 330.36
(S)-Flurbiprofen 51543-39-6 C15H13FO2 244.27
(R)-Flurbiprofen C15H13FO2 244.27
Desfluoro flurbiprofen axetil C19H20O4 312.37
Flurbiprofen Related Impurity 1 42771-81-3 C20H21FO4 344.39
Flurbiprofen Related Impurity 2 42771-82-4 C16H13FO4 288.28
(R)-Flurbiprofen Axetil N/A C19H19FO4 330.36
Flurbiprofen Acyl Glucuronide (racemic mixture) C21H21FO8 420.4
(S)-Flurbiprofen Axetil (Mixture of Diastereomers) 1401087-64-6 C19H19FO4 330.36
6-Hydroxy Fludrocortisol C21H29FO6 396.46
Methyl Flurbiprofen 66202-86-6 C16H15FO2 258.3
Flurbiprofen-13C-D3 C14H10FO213C D3 248.28
Floxuridine 50-91-9 C9H11FN2O5 246.2
5'-(3-MAL-PEG2-aminobutanoate)-floxuridine C29H42FN5O13 687.68
Flurbiprofen-d3 C15H10FO2D3 247.29
Flunarizine DiHCl 30484-77-6 C26H26F2N2. 2 HCl 404.51 2 36.46
Flunarizine Impurity B C26H27FN2 386.52
Flunarizine Impurity C C26H26F2N2 404.51
Flunarizine Impurity D C26H26F2N2 404.51
S-Flurbiprofen-acyl-β-D-glucuronide C21H21FO8 420.4
Gnaphaline A (5,7-Dihydroxy-3,8-Dimethoxyflavone) 33803-42-8 C17H14O6 314.3
R-Flurbiprofen-acyl-β-D-glucuronide C21H21FO8 420.4
Fenpiverinium Bromide 125-60-0 C22H29N2O Br 337.49 79.90
Flurbiprofen 5104-49-4 C15H13FO2 244.27
Faropenem Impurity 195716-77-9 C12H14NO5S.Na 284.31   22.99
Faropenem Related Compound 1 106560-32-1 C16H29NO4SSi 359.56
Faropenem Related Compound 2 429691-43-0 C21H33NO7SSi 471.65
Faropenem Related Compound 3 120705-67-1 C21H33NO5SSi 439.65
Faropenem Related Compound 4 106559-80-2 C15H19NO5S 325.39
4-AA ((2R,3R)-3-((R)-1-(tert-Butyldimethylsilyloxy)ethyl)-4-oxoazetidin-2-yl acetate) 76855-69-1 C13H25NO4Si 287.43
(R)-Tetrahydrofuran-2-carbothioic S-acid 153165-72-1 C5H8O2S 132.18
Flurbiprofen Related Compound A (Biprofen) 6341-72-6 C15H14O2 226.28
Faldaprevir 801283-95-4 C40H49BrN6O9S 869.84
Faldaprevir-D3 C40H46BrN6O9SD3 872.86
Flurbiprofen Impurity B C18H17FO4 316.33
2-Fluoro-9-fluorenone-9-13C C13H7FO 199.19
Furosine DiHCl 19746-33-9 C12H18N2O4 . 2 HCl 254.29 2 36.46
Fluticasone propionate 80474-14-2 C25H31F3O5S 500.58
Fluticasone Impurity F 1219174-94-3 C25H29F3O5S 498.57
Fluticasone Impurity H NA C48H58F4O10S2 935.11
Fluticasone Impurity I NA C48H58F4O10S3 967.18
Fluticasone Dimer Impurity (Impurity G) 220589-37-7 C43H51F5O8S 822.94
Fluticasone Impurity C26H33F3O5S 514.61
Fluticasone Related Compound B 219719-95-6 C22H24F2O5S 438.49
Fluticasone-d3 17 beta-Carboxylic Acid C21H23F2O5D3 399.45
Fluticasone Impurity (Cyclic thioester ) C24H28F2O5S 466.55
Fluticasone propionate-d5 1093258-28-6 C25H26D5F3O5S 505.61
Fluticasone Impurity (17-Keto) C20H24F2O3 350.41
Fluticasone Impurity (17-alpha Propionate ) C25H31F3O5S 500.58
Fluticasone Impurity (5-Iodo Methyl Propionate ) C25H31F2IO5S 608.49
Fluticasone Impurity (6-Defluro-6-Oxo Propionate ) C25H30F2O6S 496.58
Fluticasone furoate 397864-44-7 C27H29F3O6S 538.59
Fluticasone furoate-d3 397864-44-7 (non-labelled) C27H26D3F3O6S 541.61
Fluticasone Impurity A NA C24H30F2O6 452.5
Fluticasone Impurity B 948566-12-9 C24H30F2O6S 484.56
Fluticasone Impurity C NA C24H29F3O5S 486.55
Fluticasone Impurity D 73205-13-7 C25H32F2O5S 482.59
Fluticasone Impurity E 105613-90-9 C25H33F3O5S 502.6
Flufenamic Acid 530-78-9 C14H10F3NO2 281.24
Fluvastatin sodium salt 93957-55-2 C24H25FNO4.Na 433.46
Fluvastatin Degradation Product (diastereomeric mixture) C24H26FNO4 411.48
(R)-(-)-Falcarinol 21852-80-2 C17H24O 244.38
(+)-3R,5S-Fluvastatin-d6 sodium salt 155229-75-7 (non-d) C24H19FNO4D6.Na 416.51 22.99
(-)-3S,5R-Fluvastatin-d6 sodium salt 155229-76-8 (non-d) C24H19FNO4D6.Na 416.51 22.99
Fluvastatin Ketone Sodium Salt C24H25FNO4.Na 410.47 22.99
Fluvastatin Methyl Ester 786710-21-2 C25H28FNO4 425.5
Fluvastatin t-Butyl Ester 194934-96-8 C28H34FNO4 467.59
Fluvastatin Hydroxy Diene Impurity C24H23FNO3.Na 392.45   22.99
Fluvastatin-d6 sodium salt 93957-55-2(non-d) C24H19D6FNO4.Na 439.5
Fenoprop ( 2-(2,4,5-Trichlorophenoxy)propionic acid) 93-72-1 C9H7Cl3O3 269.51
Fenoprop-D3 ( 2-(2,4,5-Trichlorophenoxy)propionic acid-D3) C9H4Cl3O3D3 272.53
(+)-3R,5S-Fluvastatin sodium salt 155229-75-7 C24H25FNO4.Na 439.5
(-)-3S,5R-Fluvastatin sodium salt 155229-76-8 C24H25FNO4.Na 439.5
(3R,5R)-Fluvastatin Sodium Salt NULL C24H25FNO4.Na 410.47 22.99
(3S,5S)-Fluvastatin Sodium Salt 194935-01-8 C24H25FNO4.Na 410.47 22.99
Fluvastatin Sodium Salt-mixture of  four isomers NULL C24H25FNO4.Na 410.47 22.99
Fluvastatin lactone (racemic mixture) NULL C24H24FNO3 393.46
Fluvastatin lactone-mixture of four isomers NULL C24H24FNO3 393.46
(R,R)-Formoterol-d3 1198353-13-7 C19H21N2O4D3 347.43
Formoterol Impurity B 1224588-66-2 C18H22N2O4 330.39
Formoterol Impurity C C20H26N2O4 358.44
Formoterol Impurity D (Mixture of Diastereomers) C20H26N2O4 358.44
Formoterol Impurity E (Mixture of Diastereomers) 1616967-26-0 C20H26N2O4 358.44
Formoterol Impurity F (Mixture of Diastereomers) C37H46N4O6 642.8
Formoterol Impurity H C26H30N2O4 434.54
(R, S)-Formoterol C19H24N2O4 344.41
Formoterol-D7 C19H17N2O4D7 351.46
Formoterol-13C, d3 73573-87-2(non-d) C19H21D3N2O4 348.47
Formoterol Hemifumarate C19H24N2O4 . 0.5 C4H4O4 344.41 0.5 116.07
Formoterol Impurity G HCl 3706-26-1 C10H15NO.HCl 165.24 36.46
Formoterol Impurity A (Mixture of Diastereomers) 150513-24-9 C18H24N2O3 316.4
Formoterol Benzylic Glucuronide (mixture of diastereomers) C25H32N2O10 520.54
Formoterol Phenolic Glucuronide C25H32N2O10 520.54
Formoterol Sulfate C19H24N2O7S 424.48
(S, S)-Formoterol 67346-48-9 C19H24N2O4 344.41
Fosinopril sodium salt 88889-14-9 C30H45NO7P.Na 585.66
Fosinopril Impurity H 149760-14-5 C16H25NO4 295.38
Fosinopril Related Compound C C30H45NO7P . Na 562.67 22.99
Fosinopril impurity F C29H44NO7P 549.65
Fosinopril Related Compound B C30H46NO7P 563.68
Fosinopril impurity (2R, 4S isomer) C30H46NO7P 563.68
Fosinopril-d7 sodium salt 88889-14-9 (non-d) C30H38D7NO7P.Na 592.7
Fosinoprilat (Fosinopril Impurity B) 95399-71-6 C23H34NO5P 435.5
Fosinoprilat-d7 95399-71-6 (non-d) C23H27D7NO5P 442.55
Fosinopril Impurity A 83623-61-4 C12H17O4P 256.24
Fosinopril Impurity C 90657-55-9 C11H19NO2.HCl 197.28 36.46
Fosinopril Impurity D 128948-00-5 C19H29O6P 384.41
Fosinopril Impurity G 46348-61-2 C10H15O3P 214.2
Dehydro Felodipine 96382-71-7 C18H17Cl2NO4 382.25
Felodipine 72509-76-3 C18H19Cl2NO4 384.26
Felodipine-d5 72509-76-3 (non-d) C18H14Cl2NO4D5 389.29
Dehydro Felodipine-d5 C18H12Cl2NO4D5 387.28
Felodipine-13C4-d3 72509-76-3 (non-d) C18H16Cl2NO4D3 391.24
Felodipine metabolite C17H15Cl2NO5 384.22
Felodipine Metabolite Lactone C17H13Cl2NO4 366.2
Felodipine Impurity B 91189-59-2 C17H17Cl2NO4 370.24
Felodipine Impurity C 79925-38-5 C19H21Cl2NO4 398.29
Fluconazole-d4 86386-73-4 (non-d) C13H8F2N6OD4 310.3
Fluconazole Impurity D 81886-51-3 C13H13FN6O 288.29
Fluconazole Impurity G C12H11F2N3O4S 331.3
Fluconazole Impurity H C11H10BrF2N3O 318.12
Fluconazole Impurity F C10H9F2N3O 225.2
Fluconazole Impurity E C10H9F2N3O 225.2
Fluconazole Impurity I C13H14F2N7O 322.3
Fluconazole N-Oxide N/A C13H12F2N6O2 322.28
Fosfluconazole 194798-83-9 C13H13F2N6O4P 386.26
Fluconazole Impurity (1-(2,4-Difluorophenyl)-1-(1H-1,2,4-Triazol-1-yl)-2,3-Epoxy Propane Methanesulfonate Salt) 86386-77-8 C11H9F2N3O CH4O3S 237.21 96.11
Fosfluconazole Phosphate Impurity 1 N/A C13H13F2N6O4P 386.26
Fluconazole C13H12F2N6O 306.28
Fosfluconazole Phosphate Impurity 2 N/A C13H14FN6O4P 368.27
Fluconazole Related Compound (2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone) 86404-63-9 C10H7F2N3O 223.18
Fluconazole Impurity A N/A C13H12F2N6O 306.28
Fluconazole Impurity B N/A C15H14FN9O 355.34
Fluconazole Impurity C 514222-44-7 C10H8N6 212.22
Fluconazole Beta-D-Glucuronide N/A C20H22F2N6O6 480.43
Fluconazole Impurity  [1, 3-Bis(1H-1, 2, 4-Triazole-1-yl)propan-2-one] N/A C7H8N6O 192.18
Fosamprenavir 226700-79-4 C25H36N3O9PS 585.62
Fosamprenavir-d9 226700-79-4 (non-d) C25H27N3O9PSD9 594.67
Fosamprenavir-d4 Calcium salt 226700-79-4 (non-d) C25H30N3O9PSD4.Ca 587.63 40.08
Fosamprenavir Related Compound C20H30N3O6PS 471.52
Fosamprenavir enantiomer C25H36N3O9PS 585.62
Formestane 566-48-3 C19H26O3 302.42
R-Frovatriptan 158747-02-5 C14H19N3O 243.33
S-Frovatriptan C14H19N3O 243.33
Frovatriptan-d3 C14H16N3OD3 246.35
Frovatriptan Racemate C14H17N3O 243.31
Frovatriptan Succinate 158930-17-7 C18H23N3O5 361.4
Methyl (7,7-Dimethyl-1,3-Oxobicyclo[2,2,1]hept-1-yl)methane Sulfonate N/A C11H18O4S 246.33
Isopropyl (7,7-Dimethyl-1,3-Oxobicyclo[2,2,1]hept-1-yl)methane Sulfonate N/A C13H22O4S 274.38
Fluvoxamine acid C14H17F3N2O3 318.3
Fluvoxamine Impurity E 1217214-94-2 C15H22F2N2O2 300.35
Fluvoxamine Oxime Impurity 88699-84-7 C13H16F3NO2 275.27
Fluvoxamine Impurity G 192876-02-1 C14H19F3N2O2 304.31
Fluvoxamine Maleic Acid Monoamide Impurity N/A C19H23F3N2O5 416.4
Fluvoxamine Impurity F 1217262-11-7 C17H26F3N3O2 361.41
Fluvoxamine-d3 54739-18-3 (non-d) C15H18F3N2O2D3 321.36
Fluvoxamine-d4 54739-18-3 (non-d) C15H17F3N2O2D4 322.37
Cis-Fluvoxamine C15H21F3N2O 318.34
Trans-Fluvoxamine 39-18-3 C15H21F3N2O2 318.34
Fluvoxamine Maleate C15H21F3N2O2.C4H4O4 318.34 116.07
Fluvoxamine Impurity (5-Methoxy-4-Trifluoromethyl Valerophenone) C13H15F3O2 260.26
Valerophenone 1009-14-9 C11H14O 162.23
Fluvoxamine Impurity C C19H25F3N2O6 434.42

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