Friday, 10 October 2014

Impurity Supplier in India

Impurities manufacture from India called Rxn chemicals , having largest export worldwide like USA, Canada,China,Europe, Middle east and Asian countries.

Ketoprofen Impurity E 59512-16-2 C16H15NO2 253.3
Ketoprofen Impurity F C16H13NO 235.29
Ketoprofen Impurity G C10H9NO2 175.19
Ketoprofen Impurity H C9H7NO2 161.16
Ketoprofen Impurity I C15H11NO 221.26
Ketoprofen Impurity J C18H18O3 282.34
Ketoprofen Methyl Ester C17H16O3 268.32
Ketoprofen Impurity D 107257-20-5 C17H16O3 268.32
Ketoprofen Related Compound C 68432-95-1 C10H10O4 194.19
Ketoprofen Lysinate 57469-78-0 C16H14O3. C6H14N2O2 254.29 146.19
Ketoprofen Ethyl Ester 60658-04-0 C18H18O3 282.34
Ketoprofen Sodium Salt 57495-14-4 C16H13O3 Na 253.28 22.99
R-Ketoprofen 56105-81-8 C16H14O3 254.29
(S)-Ketoprofen Tromethamine Salt (Dexketoprofen Trometamol) 156604-79-4 C16H14O3. C4H11NO3 254.29 121.14
Ketoprofen Related Compound D 66067-44-5 C15H12O2 224.26
Ketoprofen-13C-D3 C15H11O313CD3 258.3
Ketoprofen metabolite C16H16O3 256.3
(S)-Ketoprofen C16H14O3 254.29
rac-Ketoprofen acyl-beta-D-glucuronide (mixture of isomers) 76690-94-3 C22H22O9 430.42
(S)-(+)-Ketoprofen-d3 Tromethamine Salt C16H11O3D3.C4H11NO3 257.31 121.14
(S)-(+)-Ketoprofen-d3 C16H11O3D3 257.31
4-Hydroxy ketorolac 111930-01-9 C15H13NO4 271.28
Ketorolac Impurity H C16H15NO3 269.3
Ketorolac Impurity I C14H13NO 211.27
Ketorolac Impurity J C17H17NO3 283.33
Ketorolac 74103-06-3 C15H13NO3 255.28
Ketorolac-d5 74103-06-3(non-d) C15H8NO3D5 260.31
1-Keto Ketorolac 113502-52-6 C14H11NO2 225.25
Ketorolac Impurity A 154476-25-2 C14H13NO2 227.27
Ketorolac Impurity C 1026936-07-1 C15H13NO3 255.28
Ketorolac Impurity F C15H13NO3 255.28
Ketorolac Impurity D 1391053-45-4 C16H15NO4 285.3
Ketorolac Impurity G C16H15NO4 285.3
Ketorolac Impurity E C19H22N2O5 358.4
KF31327 220060-39-9 C24H28N6OS 448.59
Kynurenic-d5 Acid C10H2NO3D5 194.2
Ketotifen Fumarate C19H19NOS.C4H4O4 309.43 116.07
Ketotifen Impurity A C19H19NS 293.43
Ketotifen Impurity B C20H23NO2S 341.48
Ketotifen Impurity C C19H21NO2S 327.45
Ketotifen Impurity D 88456-70-6 C19H19NO2S 325.43
Ketotifen Impurity E C19H19NOS 309.43
Ketotifen Impurity F C19H19NOS 309.43
Ketotifen Impurity G C19H17NO2S 323.42
Kojic Acid C6H6O4 142.11
Ketanserin 74050-98-9 C22H22FN3O3 395.44
Lamotrigine-13C3 84057-84-1(non-d) C613C3H7Cl2N5 259.07
Lamotrigine Dimer Impurity 2 C19H14Cl4N10 524.2
Lamotrigine-13C-d3 C9H4Cl2N5D3 260.1
Lamotrigine Impurity D 661463-79-2 C9H5Cl2N3O2 258.07
Lamotrigine Related Compound C C9H6Cl2N4O 257.08
Lamotrigine Related Compound D C16H9Cl4N5O 429.1
Lamotrigine Impurity C 94213-23-7 C9H7Cl2N5 256.1
Lamotrigine Impurity N/A C8H3Cl2NO 200.03
Lamotrigine Impurity E (2,3-Dichlorobenzoic Acid) 50-45-3 C7H4Cl2O2 191.01
Lamotrigine Dimer Impurity 1 C19H14Cl4N10 524.2
Lacidipine-d9 103890-78-4 C26H24NO6D9 464.61
Lacidipine 103890-78-4 C26H33NO6 455.56
Lacidipine-d10 103890-78-4(non-d) C26H23NO6D10 465.62
Dehydro lacidipine C26H31NO6 453.54
cis-Lacidipine 103890-79-5 C26H33NO6 455.55
Lansoprazole 103577-45-3 C16H14F3N3O2S 369.37
Lansoprazole EP Impurity C 103577-40-8 C16H14F3N3OS 353.37
Lansoprazole EP Impurity D 615-16-7 C7H6N2O 134.14
Lansoprazole EP Impurity E 583-39-1 C7H6N2S 150.2
Lansoprazole EP Impurity F 168167-42-8 C14H12ClN3OS 305.79
Lansoprazole Sulfone N-Oxide C16H14F3N3O4S 401.37
2-Chloromethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine C9H9ClF3NO 239.63
Lansoprazole Impurity H 1346598-28-4 C23H16F3N5OS 467.48
Lansoprazole Impurity I N/A C23H16F3N5OS 467.48
Lansoprazole N-Trifuoroethyl Impurity 1187926-84-6 C18H15F6N3O2S 451.39
Lansoprazole EP Impurity B (Lansoprazole Sulfone) 131926-99-3 C16H14F3N3O3S 385.37
Lansoprazole N-(3-Methyl-4-Trifuoroethoxyl-Pyridin-2-yl) Impurity N/A C25H22F6N4O3S 572.53
(R)-Lansoprazole-d4 1246819-33-9 C16H12F3N3O2SD4 375.41
Lansoprazole Thioxo Impurity 1246819-06-6 C14H9N3OS 267.31
Lansoprazole Related Compound 1 C14H13N3OS 271.34
Lansoprazole Related Compound 2 (Des(trifluoroethyl) Lansoprazole Sulfide) 131926-97-1 C14H13N3OS 271.34
Lansoprazole Related Compound 3 1083100-27-9 C25H22F6N4O2S 556.53
5-Hydroxy Lansoprazole 131926-98-2 C16H14F3N3O3S 385.37
Lansoprazole-d4 103577-45-3(non-d) C16H10F3N3O2SD4 373.39
5-Hydroxy Lansoprazole Sulfide C16H14F3N3O2S 369.37
6-Hydroxy Lansoprazole Sulfide C16H14F3N3O2S 369.37
(R)-(+)-Lansoprazole C16H14F3N3O2S 369.37
Lansoprazole Glucuronide N/A C22H22F3N3O8S 545.5
Lansoprazole EP Impurity A 213476-12-1 C16H14F3N3O3S 385.37
Leflunomide 75706-12-6 C12H9F3N2O2 270.21
Leflunomide Impurity F C12H9F3N2O2 270.21
Leflunomide Impurity G C12H12N2O2 216.24
Leflunomide Impurity H 24522-30-3 C10H7F3N2O 228.18
Leflunomide-d4 75706-12-6 (non-d) C12H5F3N2O2D4 274.24
2-Cyano-3OH-N-(4-trifluoromethylphenyl) crotonamide 163451-81-8 C12H9F3N2O2 270.21
2-Cyano-3OH-N-(4-trifluoromethylphenyl) crotonamide-d4 108605-62-5 C12H5F3N2O2D4 274.24
Leflunomide Impurity E C12H9F3N2O2 270.21
Leflunomide Impurity B 163451-81-8 C12H9F3N2O2 270.21
Leflunomide Impurity C 61643-23-0 C12H9F3N2O2 270.21
Leflunomide Impurity A 455-14-1 C7H6F3N 161.13
Leflunomide Impurity D 42831-50-5 C5H5NO3 127.1
Levetiracetam 102767-28-2 C8H14N2O2 170.21
Levetiracetam-d6 102767-28-2(non-d) C8H8D6N2O2 176.25
Levetiracetam Metabolite 102849-49-0 C8H13NO3 171.2
Levetiracetam Impurity B 358629-47-7 C8H12N2O2 168.2
Levetiracetam Impurity C 72762-00-6 C5H5NO 95.1
Levetiracetam Impurity D 103765-01-1 C8H14N2O2 170.21
Levetiracetam Imurity (L-2-Aminobutanamide HCl,S-2-Aminobutanamide HCl) C4H10N2O.HCl 102.14 36.46
Levetiracetam Impurity 3 N/A C8H15ClN2O2 206.67
Levetiracetam Impurity A 67118-31-4 C8H13NO3 171.2
Lidocaine-d6 HCl 1215823-29-2 (free base)) C14H16N2OD6. HCl 240.38 36.46
Lidocaine Impurity F C14H22N2O . HCl 234.34 36.46
Lidocaine Impurity G C13H20N2O . HCl 220.32 36.46
Lidocaine Impurity K 50295-20-0 C13H20N2O. HCl 220.32 36.46
3'-Hydroxy Lidocaine 34604-55-2 C14H22N2O2 250.34
Lidocaine Impurity A C8H11N 121.18
Lidocaine Impurity C 2198-53-0 C10H13NO 163.22
Lidocaine Impurity H C10H12ClNO 197.67
Lidocaine Impurity I C14H22N2O 234.34
Monoethylglycinexylidine HCl (Impurity D) 7729-94-4 C12H18N2O.HCl 206.29 36.46
Lidocaine Impurity J N/A C14H22N2O 234.34
Lidocaine Impurity 1 (2-(Diethylamino)-N-(Diethylaminoyl)acetamide) N/A C11H23N3O2 229.32
Lidocaine Impurity 2 (2-[(Diethylcarbamoyl)amino]-N, N-Diethylacetamide) N/A C11H23N3O2 229.32
Lidocaine Impurity 3 C14H19N3 229.33
Lidocaine 137-58-6 C14H22N2O 234.34
Lidocaine Dichloro Impurity 39084-88-3 C10H11Cl2NO 232.11
Monoethyl Glycinexylidine-d6 HCl 1216698-89-3 (free base) C12H12N2OD6. HCl 212.33 36.46
Glycinexylidide HCl 18865-38-8 C10H14N2O.HCl 178.24 36.46
Glycinexylidide-d6 18865-38-8(non-d) C10H8N2OD6 184.27
Lidocaine-d10 137-58-6 (non-d) C14H12N2OD10 244.4
2,6-Xylidine-d6 HCl C8H5ND6. HCl 127.22 36.46
Lidocaine Impurity B (Lidocaine N-Oxide) 2903-45-9 C14H22N2O2 250.34
Lidocaine Impurity E 745798-07-6 C20H25N3O2 339.44
Linezolid-d3 1127120-38-0 C16H17FN3O4D3 340.37
Thio Linezolid (Linezolid Related Compound B) N/A C16H20FN3O3S 353.42
Linezolid Related Compound A 168828-84-0 C14H16FN5O3 321.31
Linezolid Related Compound C 168828-90-8 C14H18FN3O3 295.32
Defluoro Linezolid 556801-15-1 C16H21N3O4 319.36
Linezolid Impurity D HCl 1391068-25-9 C15H22FN3O3. HCl 311.36 36.46
Linezolid Dimer 908143-04-4 C30H35F2N5O7 615.64
R-Linezolid-d3 1127120-38-0 C16H17FN3O4D3 340.37
Linezolid Impurity (N,O-Desethylene Linezolid) 1219708-30-1 C14H18FN3O4 311.32
Linezolid impurity PNU177636 C20H26FN3O5 407.45
Linezolid Related Compound (Linezolid N-Oxide) 189038-36-6 C16H20FN3O5 353.35
Linezolid-13C-d3 165800-03-3 C1513CH17D3FN3O4 341.36
Linezolid related Compound 174649-09-3 C15H19FN2O6S 374.39
Linezolid Related Impurity 1 1532560-87-4 C13H20FN3O2 269.32
Linezolid Impurity 7 HCl 333753-71-2 (free base) C15H22FN3O3. HCl 311.36 36.46
Racemic-Linezolid Impurity PNU140155 C15H22FN3O3 311.36
Linezolid Related Impurity 2 HCl C15H22FN3O3. HCl 311.36 36.46
Linezolid 165800-03-3 C16H20FN3O4 337.35
Linezolid-13C2-d3 C16H17FN3O4D3 342.35
Benzyl 3-Fluoro-4-(4-morpholinyl)phenyl)carbamate 168828-81-7 C18H19FN2O3 330.36
Linezolid Impurity ((5R)-3-[3-Fluoro-4-(4-morpholinyl)phenyl]-5-hydroxymethyl-2-oxazolidinone) 168828-82-8 C14H17FN2O4 296.3
R-Linezolid 872992-20-6 C16H20FN3O4 337.35
Linezolid Impurity PNU140155 C15H22FN3O3 311.36
Lisinopril-d5 83915-83-7 C21H26N3O5D5 410.53
Lisinopril Impurity C ((S, S, S)-Diketopiperazine) 328385-86-0 C21H29N3O4 387.48
Lisinopril C21H31N3O5 405.5
Lisinopril Impurity A NA C10H13NO2 179.22
Lisinopril Impurity D NA C21H29N3O4 387.48
Lisinopril Impurity E 85955-59-5 C21H31N3O5 405.5
Lisinopril Impurity F NA C21H37N3O5 411.55
Lisinopril CPP Lysine Impurity 138247-43-5 C16H24N2O4 308.38
Lisinopril Impurity H (Dimer Impurity) N/A C37H53N5O8 695.86
Loxapine 54810-23-0 C18H18ClN3O 327.82
Loxapine-d8 54810-23-0(non-d) C18H10ClN3OD8 335.86
Loxapine N+-Glucuronide C24H27ClN3O7 504.95
Loxapine N-Oxide 25967-34-4 C18H18ClN3O2 343.82
7-Hydroxy-Loxapine N/A C18H18ClN3O2 343.82
7-Hydroxy-Loxapine-d8 N/A C18H10ClN3O2D8 351.86
7-Hydroxy-Loxapine N-Oxide N/A C18H18ClN3O3 359.82
7-Hydroxy-Loxapine Sulfate N/A C18H18ClN3O5S 423.88
7-Hydroxy-Loxapine-O-Glucuronide N/A C24H26ClN3O8 519.94
8-Hydroxy Loxapine 61443-77-4 C18H18ClN3O2 343.82
8-Hydroxy-Loxapine-d8 N/A C18H10ClN3O2D8 351.86
8-Hydroxy-Loxapine N-Oxide N/A C18H18ClN3O3 359.82
8-Hydroxy-Loxapine Sulfate N/A C18H18ClN3O5S 423.88
8-Hydroxy-Loxapine-O-Glucuronide N/A C24H26ClN3O8 519.94
Lurasidone Hydrochloride 367514-88-3 C28H36N4O2S 492.69
Lurasidone-d8 C28H28N4O2SD8 500.74
Lurasidone Inactive Metabolite 14283 C28H36N4O3S 508.69
Lurasidone Inactive Metabolite 14326 C28H36N4O3S 508.69
Lurasidone Inactive Metabolite 14283-d8 N/A C28H28N4O3SD8 516.74
Lurasidone Inactive Metabolite 14326-d8 N/A C28H28N4O3SD8 516.74
Lurasidone Sulfoxide C28H36N4O3S 508.69
Loperamide HCl 34552-83-5 C29H33ClN2O2.HCl 513.51
Lapachol 84-79-7 C15H14O3 242.28
Desmethyl Loperamide 66164-07-6 C28H31ClN2O2 463.02
2’-O-Methyl Lactose 77667-98-2 C13H24O11 356.33
Loperamide-d6 HCl 34552-83-5 (non-d) C29H27ClN2O2D6 483.09
Lincomycin B HCl 11021-35-5 C17H32N2O6S HCl 392.52 36.46
epi-Lincomycin-2,7-dipalmitate C51H95NO8S 882.39
Lincomycin-2,7-dipalmitate C51H95NO8S 882.39
Lincomycin impurity A C18H34N2O6S 406.55
Lincomycin impurity C C17H32N2O6S 392.52
Lincomycin 2,4-Phosphate N/A C18H33N2O8PS 468.51
7-epi Lincomycin 26389-84-4 C18H34N2O6S 406.55
Loperamide N-Oxide NULL C29H33ClN2O3 493.05
Lumiflavin 1088-56-8 C13H12N4O2 256.27
Loperamide Impurity A N/A C35H37ClN2O2 553.15
Lorcaserin HCl Hemihydrate 856681-05-5 C11H14ClN. HCl. 0.5 H2O 195.69 36.46 0.5 18.02
Lorcaserin-D4 C11H10ClND4 199.72
Lorcaserin impurity A C11H14ClN 195.69
Lorcaserin impurity B 953789-37-2 C11H15Cl2N  . HCl 232.15   36.46
Lorcaserin impurity C C13H16ClNO 237.73
Lorcaserin impurity D 1030624-36-2 C11H14ClNO2 227.69
Lorcaserin impurity E C11H14ClN . C4H6O6 195.69    150.09
Lorcaserin Dechloro Impurity N/A C11H15N 161.25
Lorcaserin N-Oxide Impurity N/A C11H14ClNO 211.69
Lorcaserin Lactam Impurity N/A C11H12ClNO 209.68
Lorcaserin 5-Methyl Isomer N/A C11H14ClN 195.69
Lactitol Impurity B N/A C12H24O11 344.32
Loratadine (Desloratadine Impurity E) 79794-75-5 C22H23ClN2O2 382.89
3-Hydroxy Desloratadine Pyridine N-oxide     NULL C19H19ClN2O2 342.83
3-Hydroxy desloratadine-d4 C19H15ClN2OD4 330.85
5-Hydroxy desloratadine 117811-12-8 C19H19ClN2O 326.83
6-Hydroxy Desloratadine 119410-05-8 C19H19ClN2O 326.83
3-Hydroxy Desloratadine C19H19ClN2O 326.83
Desloratadine Pyridine N-Oxide 169253-26-3 C19H19ClN2O 326.83
Desloratadine Impurity 1 C19H19ClN2 310.83
Desloratadine Impurity 2 117811-13-9 C19H19ClN2 310.83
Desloratadine Impurity 3 C19H19ClN2 310.83
Desloratadine Impurity 4 C20H21ClN2 324.86
Loratadine EP Impurity D (Desloratadine) 100643-71-8 C19H19ClN2 310.83
Desloratadine Impurity 5 38092-88-5 C20H21ClN2 324.86
Desloratadine Impurity 6 38092-90-9 C20H21ClN2 324.86
Loratadine EP Impurity B 31251-41-9 C14H10ClNO 243.69
Loratadine Impurity D 38089-93-9 C20H23ClN2O 342.87
Loratadine Impurity E 133330-60-6 C14H9Cl2NO 278.14
Loratadine EP Impurity A 133284-74-9 C22H25ClN2O3 400.91
Loratadine EP Impurity C 165739-83-3 C22H22Cl2N2O2 417.34
N-Formyl Desloratadine (Desloratadine Impurity D) C20H19ClN2O 338.84
Loratadine EP Impurity G (Methyl Loratadine) 38092-89-6 C20H21ClN2 324.86
Iso Desloratadine HCl 183198-49-4 (free base) C19H19ClN2. HCl 310.83 36.46
Loratadine-d5 1020719-57-6 C22H18D5ClN2O2 387.92
Desloratadine N-Hydroxypiperidine 1193725-73-3 C19H19ClN2O 326.83
Desloratadine Impurity Disodium Salt N/A C25H23ClN2O6. 2 Na 482.92 2 22.99
Desloratadine Impurity A 38092-95-4 C19H20N2 276.38
Desloratadine Impurity B 117796-50-6 C19H19BrN2 355.28
Desloratadine Impurity C 117811-20-8 C19H17ClN2 308.81
4-[[3-[2-(3-Chlorophenyl)ethyl]-2-pyridinyl]carbonyl]-1-piperidinecarboxylic Acid 107256-32-6 C20H21ClN2O3 372.85
11-Fluoro Desloratadine 298220-99-2 C19H20ClFN2 330.84
Descarboethoxy loratadine-d5 79794-75-5(non-d) C19H14D5ClN2.HCl 315.86
N-Acetyldesloratadine 117796-52-8 C21H21ClN2O 352.87
Loratadine EP Impurity F 125743-80-8 C22H24ClFN2O2 402.9
12-Hydroxy Loratadine C22H25ClN2O3 400.91
3-Hydroxy desloratadine HCl 19410-08-1 C19H19ClN2O.HCl 326.83  36.46
4-Hydroxymethyl loratadine 609806-40-8 C23H2ClN2O3 412.91
3-Hydroxy desloratadine glucuronide 774538-89-5 C25H27ClN2O7 502.96
2-Hydroxymethyl loratadine 609806-39-5 C23H2ClN2O3 412.91
Losartan potassium salt 124750-99-8 C22H22ClKN6O 461.01
Losartan Impurity J 1006062-27-6 C24H25ClN6O2 464.96
Losartan Impurity K 1159977-26-0 C21H20Cl2N6 427.34
Losartan N1-Glucuronide C28H31ClN6O7 599.05
Losartan Carboxylic Acid Acyl-Beta-D-Glucuronide N/A C29H31ClN6O7 611.06
Losartan Related Compound A 1247750-67-0 C22H20ClN3O 377.88
Losartan Related Compound B N/A C22H22ClN3O 379.89
Losartan Impurity C (Isolosartan) 114799-13-2 C22H23ClN6O 422.92
Losartan Impurity (5-(4'-Methylbiphenyl-2-yl)-1-Trityl-1H-Tetrazole) 124750-53-4 C33H26N4 478.6
N-Trithyl Losartan 124751-00-4 C41H37ClN6O 665.24
Losartan Carboxylic Acid 124750-92-1 C22H21ClN6O2 436.9
Losartan Impurity B 1159977-48-6 C44H44Cl2N12O2 843.83
Losartan Carboxaldehyde 114798-36-6 C22H21ClN6O 420.91
Losartan Trityl Ether (Impurity I) 1006062-28-7 C41H37ClN6O 665.24
Losartan Impurity D C8H11ClN2O 186.64
Losartan Impurity E C14H12N4 236.28
Losartan Impurity F C25H29ClN6O 465
Losartan-d4 124750-99-8(non-d) C22H19D4ClN6O 425.94
Losartan Carboxylic Acid-d4 1246820-62-1 C22H17ClN6O2D4 440.93
Losartan N2-glucuronide C28H31ClN6O7 599.05
Losartan Potassium Impurity L 230971-71-8 C44H44Cl2N12O 827.83
Losartan Potassium Impurity M 230971-72-9 C44H44Cl2N12O 827.83
Losartan Impurity G 165276-38-0 C22H21ClN6 404.91
Lovastatin hydroxy acid sodium salt 75225-51-3 C24H37O6.Na 444.55
Lovastatin Impurity F C24H34O5 402.54
Lovastatin 6'-Exomethylene Impurity C24H34O5 402.54
Lovastatin 6'-beta-Hydroxy Impurity C24H36O6 420.55
Des(2-methylbutyrate) lovastatin hydroxy acid sodium salt 75225-51-3 C19H29O5.Na 360.43
Lovastatin-d3 Hydroxy Acid Sodium Salt 1279029-75-2 C24H34O6D3.Na 424.58 22.99
Lovastatin-d9 NULL C24H27O5D9 413.61
Lovastatin-d9 hydroxy acid sodium salt NULL C24H28O6D9.Na 430.61 22.99
Lovastatin-d3 1002345-93-8 C24H33O5D3 407.5
Lovastatin C24H36O5 404.55
Hydroxy Lovastatin N/A C24H36O7 436.55
Lovastatin Dimer C48H72O10 809.1
Levocetirizine-d4 130018-77-8 C21H21ClN2O3D4 392.92
N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide 1391053-09-0 C13H20N2O3 252.32
Levocetirizine Impurity 1 C28H32ClN3O2 478.04
4-Chlorobenzhydrylimine NA C13H10ClN 215.68
2-Chlorobenzhydryl amine 5267-39-0 C13H12ClN 217.7
N-Benzyl-2-chloro-N(chloroacetyl)acetamide NA C11H11Cl2NO2 260.12
[2-[4-[4-chlorophenylmethyl]-1-piperazinyl]-ethoxy]acetamide NA C15H22ClN3O2 311.81
1-Benzylaziridin-2-one NA C9H9NO 147.18
2-(p-Chlorobenzhydryl piperazine)-[(N,N'-bis(2-ethoxy acetic acid)] NA C25H32ClN2O6 492
Levocetetrizine N-Oxide NA C21H25ClN2O4 404.9
levocetirizine Impurity C17H19ClN2 286.81
Linuron-d6 330-55-2 (non-d) C9H4Cl2N2O2D6 255.13
Letrozole-d4 1133712-96-5 C17H7N5D4 289.33
Carbinol Metabolite of Letrozole 134521-16-7 C15H10N2O 234.26
Letrozole 112809-51-5 C17H11N5 285.31
Letrozole Related Compound A 112809-52-6 C17H11N5 285.31
Letrozole Impurity B 113402-31-6 C22H13N3 319.39
Letrozole Impurity C 112809-25-3 C10H8N4 184.2
R-Lercanidipine NULL C36H41N3O6 611.74
Lercanidipine Impurity A C19H22N2O6 374.4
Lercanidipine Impurity C21H26N2O6 402.45
Lercanidipine Dimethyl Ester Impurity N/A C17H18N2O6 346.34
Lercanidipine Ethyl Methyl Ester Impurity (Impurity 5) 39562-70-4 C18H20N2O6 360.37
Lercanidipine Ethyl Impurity (Impurity 4) N/A C37H43N3O6 625.77
Lercanidipine Impurity 6 C36H41N3O6 611.74
R-Lercanidipine-d3 NULL C36H38D3N3O6 614.74
S-Lercanidipine NULL C36H41N3O6 611.74
S-Lercanidipine-d3 NULL C36H38N3O6 614.74
Lercanidipine Impurity D HCl (Dehydro Lercanidipine HCl) 887769-34-8 (free base) C36H39N3O6.HCl 609.73 36.46
Lercanidipine HCl 132866-11-6 C36H41N3O6.HCl 611.74 36.46
Lercanidipine Impurity B 1119226-97-9 C35H37N3O6 595.7
Lercanidipine-13C-d3 HCl C35H38N3O613CD3. HCl 615.75 36.46
Lercanidipine Impurity C C38H45N3O6 639.8
Lithocholic-2,2,3,4,4-d5 Acid 434-13-9 (non-d) C24H35O3D5 381.61
Lithocholic-2,2,4,4-d4 Acid 434-13-9 (non-d) C24H36O3D4 380.61
Taurolithocholic-2,2,3,4,4-D5 Acid C26H40NO5SD5 488.75
Taurolithocholic-2,2,4,4-D4 Acid C26H41NO5SD4 487.75
Lasofoxifene 180916-16-9 C28H31NO2 413.56
Lasofoxifene-d4 180916-16-9 (non-d) C28H27NO2D4 417.59
Lasofoxifene glucuronide C34H39NO8 589.69
rac-Lasofoxifene-d5 C28H26NO2D5 418.59
Lamivudine-13C-d2 134678-17-4 C8H9N3O3SD2 232.26
Lamivudine-13C-15N2 C8H11N3O3S 232.23
Lamivudine 134678-17-4 C8H11N3O3S 229.26
Lamivudine Impurity B C8H11N3O3S 229.26
Lamivudine acid C8H9N3O4S 243.24
5'-Epi Lamivudine 139757-68-9 C8H11N3O3S 229.26
Lamivudine S-oxide C8H11N3O4S 245.26
Lubiprostone 333963-40-9 C20H32F2O5 390.47
Lubiprostone-d4 333963-40-9 (non-d) C20H28F2O5D4 394.5
15-Hydroxy lubiprostone-mixture of isomers C20H34F2O5 392.49
15-Hydroxy lubiprostone-d4 C20H30F2O5D4 396.51
Lubiprostone 136790-76-6 C20H32F2O5 390.47
Lubiprostone-d7 333963-40-9 (non-d) C20H25F2O5D7 397.51
Lubiprostone related compound 1 C20H32F2O5 390.47
Lubiprostone related compound 2 C20H32F2O5 390.47
Levonorgestrel Sulfate Sodium Salt C21H27O5S.Na 391.51 22.99
Levonorgestrel Impurity P 100021-05-4 C21H28O2 312.46
Levonorgestrel Impurity C C23H28O 320.48
Levonorgestrel Impurity M 51087-61-7 C21H26O2 310.44
Aromatic levonorgestrel C22H28O2 324.47
Delta1 (10)-4, 5-dihydro-levonorgestrel C21H28O2 312.46
Levonorgestrel Impurity A 110785-09-6 C21H26O2 310.44
Levonorgestrel Impurity S N/A C22H30O2 326.48
Levonorgestrel Impurity O C22H32O3 344.5
Levonorgestrel Impurity L (18-Methylester-4-ene-3,17-dione) 21800-83-9 C19H26O2 286.42
Levonorgestrel Impurity B C21H28O2 312.46
Levonorgestrel-d6 ((-)-Norgestrel-d6) 793-67-7 (non-d) C21H22O2D6 318.49
10-alpha-Hydroxy Levonorgestrel C21H28O3 328.46
Levonorgestrel Impurity V C22H28O2 324.47
Levonorgestrel Impurity W C21H24O2 308.42
Levonorgestrel Impurity R 2322-77-2 C20H28O2 300.44
Levonorgestrel Impurity Q 1038-28-4 C20H30O2 302.46
Levonorgestrel Impurity T 799-43-9 C22H30O2 326.48
Delta-5(10)-8-alfa-Levonorgestrel N/A C21H28O2 312.46
Levonorgestrel Impurity J (6-Keto Levonorgestrel) 1175109-63-3 C21H26O3 326.44
Levonorgestrel Impurity D 32419-58-2 C21H30O 298.47
D-(-)-Norgestrel (Levonorgestrel) 797-63-7 C21H28O2 312.46
10-beta-Hydroxy Levonorgestrel 21508-50-9 C21H28O3 328.46
6-alfa-Hydroxy Levonorgestrel C21H28O3 328.46
Levonorgestrel Impurity H (6-beta-Hydroxy Levonorgestrel) C21H28O3 328.46
Levonorgestrel Impurity N 4222-96-2 C19H26O2 286.42
Levofloxacin C18H20FN3O4 361.38
Levofloxacin Related Compound C C20H24FN3O4 389.43
Levofloxacin-d8 1217716-71-6 C18H12FN3O4D8 369.42
Levofloxacin Diformyl Impurity 151377-74-1 C18H18FN3O6 391.36
Levofloxacin N-oxide 117678-38-3 C18H20FN3O5 377.38
Levofloxacin-Acyl-D-Glucuronide 160962-46-9 C24H28FN3O10 537.5
9-Piperazine Levofloxacin Impurity 178912-62-4 C18H20FN3O4 361.38
Descarboxyl Levofloxacin 178964-53-9 C17H20FN3O2 317.37
Levofloxacin Tetrafluoro Impurity 1 110548-02-2 C15H15F4NO4 349.28
Levofloxacin Tetrafluoro Impurity 2 103995-33-1 C14H12F4O4 320.24
Levofloxacin Related Compound B C13H9F2NO4 281.22
N-Desmethyl Levofloxacin (Levofloxacin Related Compound A) C18H20FN3O4 347.35
N-Desmethyl Levofloxacin-d8 C17H10FN3O4D8 1071-083A1
Levofloxacin-13C-d3 C17H17FN3O413CD3 365.38
Defluoro Levofloxacin 117620-85-6 C18H21N3O4 343.39
N,N’-Desethylene Levofloxacin C16H19N3O4 317.35
Levofloxacin Diamine C15H16FN3O4 321.31
(R)-Levofloxacin C18H20FN3O4 361.38
Lomerizine diHCl C27H30F2N2O3.2 HCl 468.55 2 36.46
Lomerizine-d8 diHCl C27H22F2N2O3D8.2 HCl 476.60 2 36.46
Lapatinib 231277-92-2 C29H26ClFN4O4S 581.07
Lapatinib Impurity 9 N/A C26H17ClFN3O3 473.9
Lapatinib Impurity 10 1152131-73-1 C26H17ClFN3O4 489.89
Lapatinib 4-Fluoro Impurity N/A C29H26ClFN4O4S 581.07
Lapatinib 2-Fluoro Impurity N/A C29H26ClFN4O4S 581.07
Lapatinib Hydroxylamine C29H26ClFN4O5S 597.07
Lapatinib-d5 C29H21ClFN4O4SD5 586.1
Lapatinib-d4 Ditosylate 388082-78-8 (non-labelled) C29H22ClFN4O4SD4 2C7H8O3S 585.09 2 172.20
O-De(3-fluorobenzyl) Lapatinib Ditosylate Salt C22H21ClN4O4S . 2 C7H8O3S 472.95 2 172.20
Lapatinib Ditosylate 388082-77-7 C29H26ClFN4O4S. 2 C7H8O3S 581.07 2 172.20
Lapatinib Impurity 1 1268997-70-1 C22H21ClN4O4S 472.95
Lapatinib Impurity 2 N/A C29H24ClFN4O4S 579.05
Lapatinib Impurity 3 N/A C26H20ClFN4O2 474.93
Lapatinib Impurity 8 N/A C26H19ClFN3O3 475.91
Lenalidomide 191732-72-6 C13H13N3O3 259.27
Lenalidomide-d5 191732-72-6 (non-d) C13H8N3O3D5 264.35
Lumiracoxib-acyl-β-D-glucuronide C21H21Cl2NO8 486.31
Lumiracoxib 220991-20-8 C15H13ClFNO2 293.73
Lacosamide 175481-36-4 C13H18N2O3 250.3
LAC2-IBCA C16H24N2O4 308.38
LAC2 NMBA Impurity C14H20N2O3 264.33
(S)-Lacosamide C13H18N2O3 250.3
(R)-O-Acetyl-Lacosamide 1318777-54-6 C14H18N2O4 278.31
Lacosamide-d3 175481-36-4 (non-d) C13H15N2O3D3 253.36
Lacosamide-d3 C13H15N2O3D3 253.32
N-Desacetyl Lacosamide HCl C11H16N2O2.HCl 208.26 36.46
Lacosamide-d6 C13H12N2O3D6 256.34
Benzylamine 100-46-9 C7H9N 107.16
Desmethyl Lacosamide 175481-38-6 C12H16N2O3 236.27
O-Acetyl Lacosamide N/A C14H18N2O4 278.31
Desacetyl Desmethyl Lacosamide N/A C10H14N2O2 194.24
Lumenfantrine 82186-77-4 C30H32Cl3NO 528.95
Lumenfantrine-d9 82186-77-4 (non-d) C30H23Cl3NOD9 538.01
Lumenfantrine glucuronide (mixture of diasteromers) C36H40Cl3NO7 705.08
N-Desbutyl Lumefantrine C26H24Cl3NO 472.85
Lumenfantrine Impurity A NA C30H32Cl3NO 528.95
Keto Impurity NA C23H27Cl2NO2 420.38
2-(2,7-Dichloro-9H-fluoren-4-yl)oxirane N/A C15H10Cl2O 277.15
2-(Dibutylamino)-1-(2,7-dichloro-9H-fluoren-4-yl)ethanol N/A C23H29Cl2NO 406.4
Lopinavir C37H48N4O5 628.82
Lopinavir-d8 C37H40N4O5D8 636.87
Lopinavir Impurity S N/A C47H58N4O7 791.01
Lopinavir Impurity T N/A C57H66N4O7 919.18
Lopinavir Metabolite M1 192725-39-6 C37H46N4O6 642.8
Lopinavir Metabolite M3-M4 357275-54-8 C37H48N4O6 644.82
Lopinavir Impurity R C47H58N4O7 791.01
4-Oxo Lopinavir C37H46N4O5 626.8
12-Hydroxy Lauric Acid-d20 505-95-3 (non-d) C12H4O3D20 236.44
12-Hydroxy Lauric Acid C12H24O3 216.32
Latanoprost 130209-82-4 C26H40O5 432.61
15-Keto Latanoprost Acid C23H32O5 388.51
Latanoprost Impurity (Diphenylphosphine Isopropyl Ester) N/A C20H25O3P 344.39
9-Acetyl Latanoprost N/A C28H42O6 474.64
Tafluprost 209860-87-7 C25H34F2O5 452.54
Tafluprost acid 209860-88-8 C22H28F2O5 410.46
15(S)-Latanoprost 145773-22-4 C26H40O5 432.61
5-trans-Latanoprost C26H40O5 432.6
15-Keto Latanoprost C26H38O5 430.59
5,6-trans-Latanoprost (50.0 mg in 5.0 ml methyl acetate) C26H40O5 432.61
trans (15S)-Latanoprost trans (15S)-Latanoprost C26H40O5 432.61
Latanoprost acid 41639-83-2 C23H34O5 390.52
15(R)-trans-Latanoprost (10.0 mg in 1.0 ml methyl acetate) C26H40O5 432.61
Latanoprost Epoxide (mixture of isomers) C26H40O6 448.61
Lupeol C30H50O 426.73
Levosulpiride 23672-07-3 C15H23N3O4S 341.43
Levosulpiride-d3 C15H20D3N3O4S 344.44
Lornoxicam 70374-39-9 C13H10ClN3O4S2 371.82
Lornoxicam Impurity 9 70374-36-6 C5H4ClNO4S2 241.67
Lornoxicam Impurity 1 C12H8ClN3O6S3 421.86
Lornoxicam Impurity 2 C12H10ClN3O5S3 407.88
Lornoxicam Impurity 3 N/A C5H3ClO4S2 226.66
Lornoxicam Impurity 4 N/A C9H12ClNO6S2 329.78
Lornoxicam Impurity 5 N/A C9H13ClN2O5S2 328.8
Lornoxicam Impurity 6 C6H5ClO4S2 240.69
Lornoxicam Impurity 7 C7H6N2O3 166.14
Lornoxicam Impurity 8 187746-94-7 C5H3ClO5S2 242.66
Luliconazole 187164-19-8 Luliconazole 354.28
(R)-(Z)-Luliconazole Isomer C14H9Cl2N3S2 354.28
(S)-(E)-Luliconazole Isomer 256424-63-2 C14H9Cl2N3S2 354.28
Luliconazole Z-Isomer C14H9Cl2N3S2 354.28
Laropiprant 571170-77-9 C21H19ClFNO4S 435.91
Laropiprant-d4 1132664-22-2 C21H15ClFNO4SD4 439.96
R-Laropiprant C21H19ClFNO4S 435.91
S-Laropiprant C21H19ClFNO4S 435.91
Levomefolate-d4 C20H21N7O6D4 463.49
Levomefolate C20H25N7O6 459.47
L-382
Levomefolate-d5 C20H20N7O6D5 464.5
Levomefolate-13C-d3 C20H22N7O6D3 463.47
Calcium Levomefolate (L-5-Methyltetrahydrofolate Calcium Salt.5H2O) C20H23N7O6.Ca.5 H2O 457.45 40.08 5 18.02
Loteprednol 129260-79-3 C21H27ClO5 394.9
Loteprednol Etabonate 82034-46-6 C24H31ClO7 466.96
Loteprednol Etabonate-d3 C24H28ClO7D3 469.98
Loteprednol Etabonate-d5 82034-46-6 (non-labelled) C24H26ClO7D5 471.99
Leuprolide Acetate (Leuprorelin Acetate) 74381-53-6 C59H84N16O12.C2H4O2 1269.48
Leuprolide-d5 C59H79N16O12D5 1214.46
Levosimendan 141505-33-1 C14H12N6O 280.29
Levosimendan Impurity (2-[2-[4-(2-Azidotetrahydro-3-Methyl-5-oxo-2-Furanyl)phenyl]hydrazinylidene]propanedinitrile) 252638-01-0 C14H11N7O2 309.29
Levosimendan Impurity 1 C22H23N7O2 417.47
Levosimendan Impurity 2 C16H17N5O3 327.35
Levosimendan Impurity 3 C30H30N12O3 606.65
Linagliptin 668270-12-0 C25H28N8O2 472.55
Linagliptin Impurity D C20H18N6O3 390.4
Linagliptin Impurity F C19H26N4O2 342.44
Linagliptin Impurity G C36H40N10O4 676.78
Linagliptin Impurity N C31H32N10O2 576.67
Linagliptin Impurity M C15H20N4 256.35
Linagliptin Impurity S C25H29BrN8O2 553.47
Linagliptin-d3 N/A C25H25N8O2D3 475.57
Linagliptin Diene Impurity N/A C25H28N8O2 472.55
Linagliptin Dimer Impurity N/A C52H59N17O4 986.16
Linagliptin Dimer Impurity 2 C50H56N16O4 945.11
Linagliptin Phthalimide Impurity C33H32N8O4 604.67
Linagliptin Dimer Impurity 3 C52H60N16O4 973.16
Linagliptin Metabolite CD1790 C25H27N7O3 473.54
Linagliptin Impurity B C26H21BrN8O2 557.41
Levomedetomidine HCl 119717-21-4 C13H17N2Cl 236.75
Levomedetomidine C13H16N2 200.29
Levothyroxine-13C6 C15H11I4NO4 782.81
Levothyroxine acyl glucuronide C21H19I4NO10 953
Levothyroxine phenolic glucuronide C21H19I4NO10 953
Levothyroxine sulfate C15H11I4NO7S 856.94
O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-hydroxy-l-tyrosine C15H11I4NO5 792.88
2-Hydroxy-2-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetic acid C14H8I4O5 763.83
N-Formyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosine C16H11I4NO5 804.89
2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetamide C14H9I4NO3 746.85
N-Acetyl-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosine C17H13I4NO5 818.91
2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetic acid C14H8I4O4 747.84
4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzaldehyde C13H6I4O3 717.81
4-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid C13H6I4O4 733.81
O-(4-Hydroxy-3,5-Diiodophenyl)-3,5-Diiodo-beta-Hydroxy-L-Tyrosine N/A C15H11I4NO5 792,88
(S)-2-Amino-3-[4-[4-(4-Hydroxy-3,5-Diiodophenoxy)-3,5-Diiodophenoxy]- 3,5-Diiodophenyl]propanoic Acid N/A C21H13I6NO5 1120.77
Levothyroxine N-Methylamine C16H14I4N2O3 789.92
Levothyroxine N-methylamide C16H14I4N2O3 789.92
3,5-Diiodo-L-tyrosine C9H9I2NO3 432.99
Levothyroxine Related Compound (2-Acetamido-3-(4-acetoxy-3,5-diiodophenyl)propanoic Acid) 153324-21-1 C13H13I2NO5 517.06
Levothyroxine Related Compound (N-Acetyl-3,5-Diiodo-L-Tyrosine) 1027-28-7 C11H11I2NO4 475.02
Levothyroxine Related Compound (N-Acetyl 3,5-diiodo-L-tyrosine Methyl Ester) 56460-41-4 C12H13I2NO4 489.05
Bis(p-anisyl)iodonium bromide C14H14IO2.Br 341.17   79.90
Levothyroxine Related Compound (2-Acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoic Acid) 886203-79-8 C18H17I2NO5 581.15
2-Amino-3(3-bromo-4-(4-hydroxyphenoxy)-5-iodophenyl)propanoic acid C15H13BrINO4 478.08
Levothyroxine Related Compound (2-Amino-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoic acid) 94345-95-6 C16H15I2NO4 539.11
Levothyroxine Related Compound  (Methyl 2-acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoate) C19H19I2NO5 595.18
Lafutidine 118288-08-7 C22H29N3O4S 431.56
Lafutidine Impurity A C6H5NO3 139.11
Lafutidine Impurity B C22H29N3O5S 447.56
Lafutidine Impurity C C15H23N3O 261.37
Lafutidine Impurity D C22H31N3O5S 449.57
Lafutidine-d10 C22H19N3O4SD10 441.62
Lafutidine Dihydro Impurity N/A C22H31N3O4S 433.57
Labetalol 36894-69-6 C19H24N2O3 328.41
Labetalol Impurity A N/A C19H23NO4 329.4
Labetalol Impurity B N/A C19H25NO4 343.43
Labetalol-d6 C19H18N2O3D6 334.45
Labetalol-d5 HCl C19H19N2O3D5. HCl 333.44 36.46
Labetalol Impurity C 30566-92-8 C23H22N2O3 374.44
Labetalol Impurity D C19H30N2O3 334.46
Lobucavir C11H15N5O3 265.27
R-Lipoic Acid Impurity 2 (S-Oxide) 188783-96-2 C8H14O3S2 222.33
rac-Lipoic Acid-d5 C8H9O2S2D5 211.36
1,2,3-Trithiane-4-Pentanoic Acid (Thioctic Acid Impurity A) 1204245-29-3 C8H14O2S3 238.39
Lipoic Acid Related Compound 916746-61-7 C12H23NO4S2 309.45
Dihydrolipoic Acid 462-20-4 C8H16O2S2 208.34
rac-Lipoic Acid Impurity 1 (S-Oxide) 108015-78-7 C8H14O3S2 222.33
rac-Lipoic Acid Impurity 2 (S-Oxide) 6992-30-9 C8H14O3S2 222.33
rac-Lipoic Acid Impurity 3 (S-Oxide) 17370-41-1 C8H14O4S2 238.33
R-Lipoic Acid Impurity 1 (S-Oxide) 188745-24-6 C8H14O3S2 222.33
Levocarnitine Impurity B C10H16O4 200.24
Levocarnitine Impurity C C7H17N2O2 . Cl 161.23 35.45
Levocarnitine Impurity D C7H15N2O 143.21
Lipstatin 96829-59-3 C29H49NO5 491.72
Lipstatin-d3 C29H46NO5D3 494.74
Linoleoyl Carnitine 36816-10-1 C25H49NO4 427.67
Loxoprofen 68767-14-6 C15H18O3 246.31
Loxoprofen Ring-opening Impurity 1091621-61-2 C15H18O5 278.31
Loxoprofen related compound 1 C25H36O3 384.56
Loxoprofen related compound 2 C15H18O4 262.31
Levamisole Phosphate 32093-35-9 C11H12N2S. H3O4P 204.30 98.00
Linolenic Acid 463-40-1 C18H30O2 278.44
Lycoramine 21133-52-8 C17H23NO3 289.38
Mefenamic acid-d4 61-68-7 C15H11D4NO2 245.32
Mefenamic Acid Impurity D (Benzoic Acid) 65-85-0 C7H6O2 122.12
Mefenamic acid-acyl-â-D-glucuronide 102623-18-7 C21H23NO8 417.42
Mefenamic acid-d3 C15H12NO2D3 244.31
4-hydroxy Mefenamic acid-d3 C15H12NO3D3 260.31
Mefenamic Acid 61-68-7 C15H15NO2 241.29
Mefenamic Acid Impurity B C23H24N2O 344.46
Mefenamic Acid Impurity E 08-11-4869 C14H15N 197.28
Mefenamic Acid Impurity A N/A C8H11N 121.18
Mefenamic Acid Impurity C N/A C7H5ClO2 156.57
Meloxicam 71125-38-7 C14H13N3O4S2 351.41
Meloxicam Impurity (CDBC98SE) 632-25-7 C7H6O5S 202.19
Meloxicam Impurity (CDBC96SE) C8H9NO4S 215.23
Meloxicam Impurity C C15H15N3O4S2 365.43
Meloxicam Impurity E C11H11NO5S 269.28
Meloxicam-d3 71125-38-7 C14H10D3N3O4S2 354.42
5'-Carboxy Meloxicam NULL C14H11N3O6S2 381.39
5'-Hydroxy Meloxicam NULL C14H13N3O5S2 367.4
Meloxicam Related Compound A NA C12H13NO5S 283.31
Meloxicam Related Compound B NA C4H6N2O 98.11
Meloxicam EP Impurity F (Meloxicam USP Related Compound C) 118854-48-1 C13H15NO5S 297.33
Meloxicam Related Compound D NA C15H15N3O4S2 365.43
Meloxicam Impurity D C16H17N3O4S2 379.46
Meperidine-d4 53484-73-4 C15H17D4NO2 251.3
4-Hydroxy  mephenytoin 61837-65-8 C12H11D3N2O3 234.26
4-Hydroxy Mephenytoin-d3 61837-65-8(non-d) C12H11D3N2O3 237.28
N-Desmethyl Mephenytoin-d5 C11H7D5N2O2 209.26
(S)-4-Hydroxy Mephenytoin C12H14N2O3 234.26
(S)-(+)-Mephenytoin 70989-04-7 C12H14N2O2 218.26
Metaxalone 1665-48-1 C12H15NO3 221.26
Metaxalone-d6 1665-48-1(non-d) C12H9D6NO3 227.29
Metaxalone Impurity A (3-(3, 5-Dimethylphenoxyl)-Propane-1, 2-Diol) 59365-66-1 C11H16O3 196.25
Metaxalone Related Compound A C12H16N2O2 220.27
Methoxsalen-d3 298-81-7 C12H5D3O4 217.24
Methoxsalen 298-81-7 C12H8O4 216.2
alpha-Hydroxy Metoprolol 56392-16-6 C15H25NO4 283.37
Metoprolol Impurity B C9H12O2 152.19
Metoprolol Impurity F C11H17NO2 195.26
Metoprolol Impurity H C14H23NO3 253.34
Metoprolol Impurity I 933468-54-3 C14H21NO2 235.33
Metoprolol Hemitartrate 56392-17-7 C15H25NO3. 0.5 C4H6O6 267.37 0.5 150.09
(S)-(-)-Metoprolol 81024-42-2 C15H25NO3 267.37
(R)-(+)-Metoprolol 81024-43-3 C15H25NO3 267.37
Metoprolol-d6 Tartrate C15H19NO3D6.0.5C4H6O6 273.41 75.05
Metoprolol Impurity J C18H31NO5 341.45
Metoprolol Impurity A C14H23NO3 253.34
Maprotiline HCl 10347-81-6 C20H23N. HCl 277.41 36.46
Maprotiline-d3 HCl 1329496-63-0 C20H20ND3. HCl 280.43 36.46
N-Desmethyl Maprotiline HCl 92202-51-2 C19H21N. HCl 263.39 36.46
Maprotiline Impurity E (N-Methyl Maprotiline) 23941-38-0 C21H25N 291.44
Metoprolol Impurity E C15H25NO3 267.37
Macamide Impurity 1 C23H39NO 345.57
Macamide Impurity 2 C25H41NO 371.61
Macamide Impurity 3 C25H39NO 369.6
Macamide Impurity 5 C24H41NO2 375.6
Macamide Impurity 9 C26H43NO2 401.64
Macamide Impurity 10 C26H41NO2 399.62
Metoprolol Impurity D C12H18O4 C12H18O4
Mitoxantrone Impurity B C22H28N4O5 428.49
Mitoxantrone Impurity C C22H27ClN4O6 478.94
Mitoxantrone Impurity A 89991-52-6 C18H19N3O5 357.37
Mitoxantrone Impurity D 137132-70-8 C22H26N4O6 442.48
Metoprolol Impurity C C12H18ClNO3 259.73
N-Desmethyl mianserin 57257-81-5 C17H18N2 250.35
Mitotane-d4 C14H6Cl4D4 324.07
Mitotane 53-19-0 C14H10Cl4 320.05
8-Hydroxy mianserin 102335-57-9 C17H18N2 280.37
Methicillin Sodium 132-92-3 C17H19N2O6S Na 379.41 22.99
Mianserin-d3 HCl C18H17N2D3.HCl 267.39 36.46
Minodronic Acid 155648-60-5 C9H12N2O7P2 322.15
Minodronic Acid-d4 N/A C9H8N2O7P2D4 326.18
Minodronic Acid Related Compound 21755-34-0 C11H12N2O2 204.23
Mianserin HCl C18H20N2 . HCl 264.37 36.46
Menthol-d4 N/A C10H16OD4 160.29
2-(4,6-Diamino-1,3,5-triazin-2-yl)sulfanylethanesulfonic Acid C5H9N5O3S2 251.29
2-[[(Guanidino)(imino)methyl]sulfanyl]ethanesulfonic Acid C4H10N4O3S2 226.28
2-(2-Sulfoethyl)pseudourea 25985-57-3 C3H8N2O3S2 184.24
3-Hydroxy Mepivacaine 37055-90-6 C15H22N2O2 262.35
Mepivacaine Impurity D C15H20N2O 244.34
Mepivacaine Impurity E C15H21ClN2O 280.8
Melperone-d4 HCl 1622-79-3 (non-labelled) C16H18FNOD4. HCl 267.38 36.46
Melperone HCl 1622-79-3 C16H22FNO. HCl 263.36 36.46
MTSL (S-(2,2,5,5-Tetramethyl-2,5-Dihydro-1H-Pyrrol-3yl)methyl Methanesulfonothioate 81213-52-7 C10H18NO3S2 264.39
Methiocarb sulfoxide-d3 C11H12NO3SD3 244.33
Mirtazapine-d4 HCl 61337-67-5 (non-d) C17H15D4N3.HCl 305.82
Mirtazapine Impurity C N/A C17H17N3O 279.34
Moroxydine Hydrochloride 3160-91-6 C6H13N5O . HCl 171.20 36.46
Mirtazapine Impurity F (10-oxo mirtazapine) 191546-97-1 C17H17N3O 279.34
Mirtazapine 85650-52-8 C17H19N3 265.36
Mirtazapine Carbonitrile Impurity 61337-88-0 C17H18N4 278.36
Mirtazapine N-Glucuronide N/A C23H27N3O6 441.49
Mirtazapine Impurity A (Desmethyl mirtazapine HCl) C16H17N3.HCl 287.79
Meclozine 569-65-3 C25H27ClN2 390.96
Meclozine EP Impurity B (4-Chlorobenzhydrol) 119-56-2 C13H11ClO 218.69
Desmethyl mirtazapine-d4 HCl NULL C16H13D4N3.HCl 291.79
Moclobemide 71320-77-9 C13H17ClN2O2 268.75
Moclobemide-N-Oxide C13H17ClN2O3 284.75
Molclobemide-d4 C13H13ClN2O2D4 272.77
Moclobemide morpholine C-oxidized derivative C13H15ClN2O2 266.73
8-Hydroxy mirtazapine 102335-57-9 C17H19N3O 281.36
Myristamidopropyl Dimethylamine 45267-19-4 C19H40N2O 312.54
8-Hydroxy mirtazapine-d4 102335-57-9(non-d) C17H15D4N3O 285.38
Methacrylic Acid 79-41-4 C4H6O2 86.09
Mirtazapine-13C-d3 HCl C1613CH16N3D3.HCl 269.37 36.46
Meptazinol 54340-58-8 C15H23NO 233.36
Meptazinol Hydrochloride 59263-76-2 C15H23NO.HCl 233.36  36.5
Meptazinol-13CD3 C15H20NOD3 237.36
Meptazinol impurity A C15H21NO2 247.34
Meptazinol impurity B C15H23N 217.36
Meptazinol impurity C C30H44N2O 448.7
Meptazinol impurity D C30H44N2O 448.7
Meptazinol impurity E C19H31NO 289.47
Mirtazapine-d4 85650-52-8 (non-labelled) C17H15D4N3 269.39
Miglustat 72599-27-0 C10H21NO4 219.28
Miglustat-D9 C10H12NO4D9 228.34
Mirtazapine Impurity E C17H21N3 267.38
Miriplatin Impurity N/A C34H68N2O6Pt2 991.11
Mirtazapine Impurity B N/A C17H19N3O H2O 281.36 18.02
N-Ethyl-beta-Methylphenethylamine 91339-15-0 C11H17N 163.26
N, N-Dimethyl-beta-Methylphenethylamine 7560-81-8 C11H17N 163.26
N-Methyl-beta-Methylphenethylamine 93-88-9 C10H15N 149.24
Myricetin 529-44-2 C15H10O8 318.24
Myricetin impurity 1 C15H10O7 302.24
Midodrine-d6 HCl 3092-17-9 (non-d) C12H12D6N2O4.HCl 296.78
Bis(2-Ethylhexyl)-Maleate 142-16-5 C20H36O4 340.51
Midodrine Related Compound A (Desglymidodrine) 3600-87-1 C10H15NO3 197.24
delta-D-Mannonolactone 32746-79-5 C6H10O6 178.14
Maxacalcitol 103909-75-7 C26H42O4 418.62
Maxacalcitol 9-Hydroxy Iso Form C26H42O4 418.62
Maxacalcitol Impurity B 132071-85-3 C26H42O4 418.62
Maxacalcitol Preform C26H42O4 418.62
Methomyl 16752-77-5 C5H10N2O2S 162.21
Mexiletine-D6 Hydrochloride C11H11NOD6.HCl 185.30   36.46
Maytansine 35845-53-8 C34H46ClN3O10 692.21
Maytansinoid DM4 C38H54ClN3O10S 780.39
Megastigmatrienone (Tabanone) 13215-88-8 C13H18O 190.29
Mepartricin 11121-32-7 C59H86N2O19 1127.35
S(OH), R-Metconazole ((-)-cis-5-[(4-chlorophenyl)methyl]-2,2-dimethyl-1-(1H-1,2,4-triazole-1-ylmethyl]cyclopentanol) C17H22ClN3O 319.84
R(OH), S-Metconazole ((1R,5S)-5-[(4-chlorophenyl)methyl]-2,2-dimethyl-1-(1,2,4-triazol-1-ylmethyl)cyclopentan-1-ol) C17H22ClN3O 319.84
Minoxidil-d10 38304-91-5 (non-labelled) C9H5D10N5O 219.31
Minoxidil-d10 sulfate 83701-22-8(non-d) C9H5D10N5O4S 299.37
Minoxidil glucuronide 56828-40-1 C15H23N5O7 385.38
Minoxidil Sulphate C9H15N5O.H2O4S 209.25 98.08
Desoxyminoxidil 24867-26-3 C8H13N5 179.23
Minoxidil Impurity A C4H5ClN4O 160.56
Minoxidil Impurity B C4H5ClN4 144.56
Minoxidil Impurity C C9H14N4O 194.24
Minoxidil Impurity D 75105-16-7 C11H12N4O4S 296.31
Mometasone furoate-d3 83919-23-7 C27H27D3Cl2O6 524.46
Mometasone Furoate Impurity E N/A C32H32Cl2O8 615.51
Mometasone Furoate Impurity F 1305334-30-8 C27H28Cl2O7 535.43
Mometasone Furoate Impurity I N/A C29H34Cl2O8 581.5
Mometasone-d6 C22H22Cl2O4D6 433.41
Mometasone-17, 20-Difuroate N/A C32H32Cl2O8 615.51
Mometasone Furoate Impurity 1 C26H29ClO7 488.97
Mometasone (Mometasone Furoate Impurity G) 105102-22-5 C22H28Cl2O4 427.37
Mometasone Furoate C27H30Cl2O6 521.44
Mometasone Furoate Impurity C N/A C27H29ClO6 484.98
Mometasone Furoate Impurity D 83881-09-8 C27H29ClO6 484.98
Mometasone Furoate Impurity H N/A C27H31ClO7 503
Mometasone Furoate Impurity A 83880-65-3 C27H29ClO5 468.98
Mometasone Furoate Impurity B N/A C28H31ClO8S 563.07
Methotrimeprazine-d3 NULL C19H21N2OSD3 331.5
Methotrimeprazine Sulfoxide NULL C19H24N2O2S 344.48
Mycophenolic Acid Phenyl Glucuronide C23H28O12 496.47
Mycophenolic Acid-13C-d3 N/A C17H17O6D3 324.35
(4Z)-Mycophenolate mofetil C23H31NO7 433.51
Mycophenolate Impurity B C29H42N2O9 562.67
Mycophenolate Impurity D C24H33NO7 447.53
Mycophenolic Acid-d3-Beta-D-Glucuronide 31528-44-6 (non-labelled) C23H25O12D3 499.49
Mycophenolic Acid Cyclopropane Analogue 125198-40-5 C18H22O6 334.37
Dihydroxy Analogue of Mycophenolic Acid 31858-65-8 C16H18O6 306.32
Dimethoxy Analogue of Mycophenolic Acid C18H22O6 334.37
Vinyl Lactone Analogue of Mycophenolic Acid C17H18O6 318.33
Mycophenolate Mofetil  Impurity A, O-Desmethyl impurity 1322681-36-6 C22H29O7 419.48
Mycophenolic acid glucuronide cyclopropane analogue NULL C24H30O12 510.5
Mycophenolic acid acyl glucoside 344562-78-3 C23H30O11 482.49
Mycophenolate Mofetil Impurity E 31858-66-9 C18H22O6 334.37
Mycophenolic Acid Related Compound 1 (5,7-Dihydroxy-4 methylphthhalide) C9H8O4 180.16
Mycophenolic acid 24280-93-1 C17H20O6 320.35
Mycophenolic acid-d3 24280-93-1 C17H17O6D3 323.36
Mycophenolate mofetil 115007-34-6 C23H31NO7 433.51
Mycophenolate mofetil-d4 115007-34-6 (non-d) C23H27D4NO7 437.51
Mycophenolic acid acyl glucuronide C23H28O12 496.47
Mycophenolic Acid Phenolic beta-D-Glucoside 55533-52-3 C23H30O11 482.49
Mycophenolate Sodium C17H19O6. Na 319.34 22.99
N-Acetyl Mesalamine 51-59-2 C9H9NO4 195.18
Mesalamine Impurity C8H7NO5 197.15
Mesalamine Impurity J 112725-89-0(non-HCl) C7H8N2O3 . HCl 168.15 36.46
2-Hydroxy-5-amino-N-(2-carboxy-4-aminophenyl)benzoic Acid N/A C14H12N2O5 288.26
Mesalamine Impurity C 95-55-6 C6H7NO 109.13
Mesalamine Impurity F 570-23-0 C7H7NO3 153.14
Mesalamine Impurity G 490-79-9 C7H6O4 154.12
Mesalamine Impurity H 69-72-7 C7H6O3 138.12
Mesalamine Impurity L 118-91-2 C7H5ClO2 156.57
Mesalamine Impurity M 2516-96-3 C7H4ClNO4 201.57
Mesalamine Impurity P N/A C13H11NO6S 309.3
N-Acetyl Mesalamine-d3 1309935-89-4 C9H6NO4D3 198.19
Mesalamine 89-57-6 C7H7NO3 153.14
N-Formyl-5-aminosalicylic Acid C8H7NO4 181.15
Mesalamine Related Compound (N-Butyryl-5-Aminosalicylic Acid) 93968-81-1 C11H13NO4 223.23
N-D-Glucopyranosyl-5-aminosalicylic Acid C13H17NO8 315.28
N-Propionyl Mesalazine-d3 C10H8NO4D3 212.22
Mesalamine Impurity I 13147-53-3 C13H10N2O3 242.24
3,6-Dioxocyclohexa-1,4-diene-1-carboxylic Acid C7H4O4 152.11
5-Amino-2-((5-amino-2-hydroxybenzoyl)amino)benzoic Acid C14H12N2O5 288.26
5-Amino-2-((5-amino-2-hydroxybenzoyl)oxy)benzoic Acid C14H12N2O5 288.26
Mesalamine-d3 1309283-32-6 C7H4NO3D3 156.16
N-Propionyl mesalamine C10H11NO4 209.2
N-Acetyl -4-aminosalicyclic Aci C9H9NO4 195.18
N-Acetyl-d3 Mesalamine C9H6NO4D3 198.19
5-(N-β-D-Glucopyranosylamino)acetylsalicylic acid C15H19NO9 357.32
Mesalamine Impurity C8H7NO5 197.15
Mesalamine-13C6 HCl C7H7NO3 . HCl 159.07 36.46
Mupirocin Lithium 73346-79-9 C26H43O9.Li 506.57
Mecoprop-d3 352431-15-3 C10H8ClO3D3 217.67
Metolachlor-d6 51218-45-2 C15H16ClNO2D6 289.83
Misoprostol acid NULL C21H36O5 368.52
Misoprostol acid-d5 NULL C21H31D5O5 373.52
8-epi-Misoprostol N/A C22H38O5 382.55
Misoprostol Impurity (A-Form) N/A C22H36O4 364.53
Misoprostol Impurity (B-Form) N/A C22H36O4 364.54
Misoprostol C22H38O5 382.55
R-Manidipine NULL C35H38N4O6 610.72
Manidipine DiHCl 89226-75-5 C35H38N4O6 . 2 HCl 610.72 2 36.46
R-Manidipine-d4 NULL C35H34N4O6D4 614.74
S-Manidipine NULL C35H38N4O6 610.72
S-Manidipine-d4 NULL C35H34N4O6D4 614.74
Manidipine C35H38N4O6 610.72
Manidipine-d4 C35H34N4O6D4 614.74
Manidipine Benzylidene 119128-13-1 C12H11NO5 249.23
Manidipine Bis Analog N/A C53H58N6O6 875.09
Manidipine Crotonate DiHCl N/A C24H30N2O2. 2 HCl 378.52 2 36.46
Moxifloxacin 151096-09-2 C21H24FN3O4 401.44
Moxifloxacin Impurity E (8-Hydroxy Moxifloxacin) N/A C20H22FN3O4 387.41
8-Ethoxy Moxifloxacin HCl C22H26FN3O4 . HCl 415.47 36.46
6-Methoxy Moxifloxacin C21H25N3O4 383.45
Moxifloxacin Impurity 172426-88-9 C14H13N2O4 292.27
8-Desmethoxy-8-Fluoro Moxifloxacin C20H21F2N3O3 389.41
Moxifloxacin-R-isomer (ent-Moxifloxacin) 268545-13-7 C21H24FN3O4 401.44
Moxifloxacin Impurity N/A C22H26FN3O4 415.47
N-Methyl Moxifloxacin HCl 354812-41-2 C22H26FN3O4 HCl 415.47 36.46
Mexifloxacin Boron Complex Impurity N/A C18H17BF2NO8 424.15
Moxifloxacin Impurity C16H16FNO5 321.31
Moxifloxacin-d4 HCl 151096-09-2 (non-d) C21H20FN3O4D4.HCl 405.47  36.46
Moxifloxacin Related Compound (1-Cyclopropyl-6,7-Difluoro-8-Methoxy-4-Oxo-1,4-Dihydroquinoline-3-Carboxylic Acid) 112811-72-0 C14H11F2NO4 295.24
8-Methoxy Quinolonic Ethyl Ester C16H15F2NO4 323.3
Moxifloxacin acyl sulfate NULL C21H24FN3O7S 481.5
Moxifloxacin N-sulfate NULL C21H24FN3O7S 481.5
Moxifloxacin acyl glucuronide C27H32FN3O10 577.57
6,8-Dimethoxy Moxifloxacin C22H27N3O5 413.48
8-Fluoro-6-Methoxy Moxifloxacin C21H24FN3O4 401.44
Moxifloxacin Hydroxy Quinoline Impurity N/A C13H9F2NO4 281.22
Bromomethlenediphosphonic Acid 10596-21-1 CH3BrO6P2 252.88
Difluoromethlenediphosphonic Acid 10596-32-4 CH2F2O6P2 209.97
Mifepristone 84371-65-3 C29H35NO2 429.61
Mifepristone-D6 C29H29NO2D6 435.64
N-Demethyl Mifepristone-D3 C28H30NO2D3 418.6
Mifepristone-d3 84371-65-3 (non-d) C29H32NO2D3 432.63
N-Desmethyl Mifepristone 104004-96-8 C28H33NO2 415.58
N-Didesmethyl Mifepristone 104004-92-4 C27H31NO2 401.55
Hydroxy Mifepristone 105012-15-5 C29H35NO3 445.61
Hydroxy Mifepristone-d6 C29H29NO3D6 451.64
Mifepristone related compound 84371-64-2 C31H41NO4 491.68
11-ent-Mifepristone C29H35NO2 429.61
N, N-Didesmethyl Mifepristone-D4 C27H27NO2D4 405.58
Montelukast sodium 151767-02-1 C35H35ClNO3S.Na 585.19 22.99
Montelukast R, S-Isomer N/A C41H46ClNO5S2 732.41
cis-Montelukast 774538-96-4 C35H36ClNO3S 586.2
Montelukast Impurity I C35H36ClNO4S 602.2
Montelukast Impurity H 851755-56-1 C34H32ClNO4S 586.16
Montelukast Keto Carbinol Impurity N/A C34H32ClNO4S 586.16
Montelukast S-Enantiomer Sodium Salt C35H35ClNO3S.Na 585.19 22.99
Montelukast Methyl Ether C36H38ClNO3S 600.23
Montelukast Sulfone C35H36ClNO5S 618.2
Montelukast Dihydro Impurity 142147-98-6 C35H38ClNO3S 588.22
Montelukast Cyclopropacetaneamide Impurity 866923-63-9 C35H37ClN2O2S 585.21
Montelukast-d6 sodium 151767-02-1 (non-d) C35H29ClNO3SD6.Na 591.25 22.99
Montelukast 1, 2-Diol 186352-97-6 C35H36ClNO4S 602.2
Montelukast CN Impurity N/A C35H35ClN2OS 567.2
Montelukust Keto Impurity N/A C28H24ClNO2 441.96
Montelukust Diol Impurity N/A C29H28ClNO2 458.01
Montelukast Sulfone N-Oxide N/A C35H35ClNO6S 633.19
Montelukast sulfoxide sodium NULL C35H35ClNO4S.Na 601.19 22.99
Montelukast-acyl-β-D-glucuronide C42H46ClNO8S 760.35
Montelukast-d6 C35H30ClNO3SD6 592.24
Montelukast Methyl Ketone (Mok-3 Keto) 937275-23-5 C34H32ClNO3S 570.16
Montelukast Sulfoxide (Mixtuture of Diastereomers) C35H36ClNO4S 602.2
Montelukast Methylstyrene Impurity 918972-54-0 C35H34ClNO2S 568.18
Montelukast R, R-Isomer N/A C41H46ClNO5S2 732.41
Moexipril 103775-10-6 C27H34N2O7 498.58
Moexipril-d5 103775-10-6 (non-d) C27H29N2O7D5 503.61
Moexiprilat-d5 NULL C25H25N2O7D5 475.56
Moexiprilat NULL C25H30N2O7 470.53
Moexipril Acyl  Glucuronide NULL C31H38N2O13 646.65
Mirodenafil 862189-95-5 C26H37N5O5S 531.68
Mirodenafil-d7 N/A C26H30N5O5SD7 538.72
Modafinil 68693-11-8 C15H15NO2S 273.36
Modafinil-d5 68693-11-8 (non-d) C15H10NO2SD5 278.39
Modafinil acid 63547-24-0 C15H14O3S 274.34
(R)-Modanifil acid 112111-45-2 C15H14O3S 274.34
S-Modafinil C15H15NO2S 273.36
R-Modafinil C15H15NO2S 273.36
Modafinil Sulfone 118779-53-6 C15H15NO3S 289.36
Modafinil-d5 Acid C15H9O3SD5 279.37
(R)-(-)-Modafinil-d5 Acid C15H9O3SD5 279.37
(S)-(+)-Modafinil-d5 Acid C15H9O3SD5 279.37
Minocycline-D6 10118-90-8 (non-d) C23H21N3O7D6 463.52
(R)-(-)-Modafinil-d5 C15H10NO2SD5 278.39
(S)-(+)-Modafinil-d5 C15H10NO2SD5 278.39
(S)-(+)-Modafinil Acid C15H16O3S 274.34
Modafinil-d5 Sulfone C15H10NO3SD5 294.39
Modafinil Acid Sulfone C15H14O4S 290.34
Modafinil-d5 Acid Sulfone C15H9O4SD5 295.37
Modafinil Impurity A C15H15NO3S 289.36
2-[( Diphenyl methyl)sulfinyl] acetic acid methyl ester C16H16O3S 288.37
7-Ethylmethylamino Analogue C24H29N3O7 471.51
Minocycline impurity A (4-epi Minocycline) C23H27N3O7 457.49
Minocycline-13C-d3 10118-90-8 (non-d) C23H24N3O7D3 461.49
Minocycline HCl C23H27N3O7. HCl 457.49 36.46
Minocycline Dehydro Analogue C23H25N3O7 455.47
Imino Delta Minocycline C23H28N4O6 456.5
Minocycline Impurity B (Sancycline) 808-26-4 C21H22N2O7 414.42
Minocycline Impurity C (7-Monodemthylminocycline) C22H25N3O7 443.46
Minocycline Impurity D (7-Aminosancycline) C21H23N3O7 429.43
6-Methoxy-2-naphthylacetic acid (6-MNA) C13H12O3 216.24
6-Methoxy-2-naphthylacetic acid (6-MNA)-13C-d3 C13H9O3D3 220.25
6-Methoxy-2-naphthylacetic acid (6-MNA) sulfate C13H12O6S 296.3
6-Methoxy-2-naphthylacetic acid (6-MNA)  glucuronide C19H20O9 392.37
Metopimazine 14008-44-7 C22H27N3O3S2 445.61
Metopimazine-d6 14008-44-7 (non-d) C22H21N3O3S2D6 451.64
Metopimazine acid C22H26N2O4S2 446.59
Metopimazine acid-d6 C22H20N2O4S2D6 452.63
Metopimazine Sulfoxide 18181-99-2 C22H27N3O4S2 461.61
6-Desmethyl Moxonidine (Moxonidine Impurity D) C8H10ClN5O 227.65
Moxonidine 75438-57-2 C9H12ClN5O 241.6
Moxonidine-d3 75438-57-2 (non-d) C9H9ClN5OD3 244.72
Moxonidine-d4 C9H8ClN5OD4 245.71
Moxonidine Impurity B 75439-01-9 C10H15N5O2 237.26
Moxonidine Impurity C (4-Hydroxymoxonidine) C9H13N5O2 223.24
Memantine HCl C12H21N.HCl 179.31 36.46
Memantine Impurity C 19982-07-1 C14H23NO 221.35
1,2-Dimethyl Adamantane 16207-81-1 C12H20 164.29
1,4-Dimethyl Adamantane N/A C12H20 164.29
1-Amino-3, 5, 7-Trimethyl-Adamantane HCl 15210-60-3 C13H23N HCl 193.33 36.46
1,3,5-Trimethyl Adamantane 707-35-7 C13H22 178.32
1-Hydroxy-3,5-dimethyladamantane
Memantine Impurity (1-Amino-3-Ethyl Adamantine) 80121-67-1 C12H21N HCl 179.31 36.46
Memantine-d6 HCl 1189713-18-5 C12H15ND6.HCl 221.8
3-Methyl-1-aminoadamantane HCl 33103-93-4 C11H20ClN 201.74
Memantine Impurity IV (1-Amino-3-Hydroxy-5,7-Dimethyladamantane) 63971-25-5 C12H21NO 195.31
Memantine-d3 HCl C12H18ND3.HCl 182.33 36.46
1-Chloro-3,5-dimethyladamantane 707-36-8 C12H19Cl 198.74
1,3-Dimethyladamantane 702-79-4 C12H20 164.29
Memantine Impurity B 941-37-7 C12H19Br 243.19
MPP-d3 Iodide (1-methyl-4-phenylpyridinium-d3 iodide) C12H9ND3.I 173.25 126.90
Meclizine DiHCl 1104-22-9 C25H27ClN2.2 HCl 390.96 2 36.46
Meclizine-d8 569-65-3 (non-d) C25H19ClN2D8 398.99
Meclizine N-Oxide (N4-oxide) C25H27ClN2O 406.96
Meclizine N-Oxide (N1-oxide) C25H27ClN2O 406.96
Meclizine N-Oxide (N, N'-dioxide) C25H27ClN2O2 422.96
Meclizine-d8 dihydrochloride C25H19ClN2D8.2 HCl 399.01 2 36.46
Milnacipran Hydrochloride 101152-94-7 C15H22N2O.HCl 246.36 36.46
L-Milnacipran-d5 N/A C15H17N2OD5 251.39
D-Milnacipran-d5 N/A C15H17N2OD5 251.39
L-Milnacipran trans Isomer C15H22N2O.HCl 246.36   36.46
Milnacipran 92623-85-3 C15H22N2O 246.36
Milnacipran-d10 92623-85-3 (non-d) C15H12N2OD10 256.42
L-Milnacipran C15H22N2O 246.36
D-Milnacipran C15H22N2O 246.36
Milnacipran-d5 HCl 101152-94-7 (non-labelled) C15H17N2OD5.HCl 251.39 36.46
Milnacipran Carbamoyl-O-Glucuronide N/A C22H30N2O9 466.49
N-Desethyl Milnacipran 105310-07-4 C13H18N2O 218.3
N-Desethyl Milnacipran-d5 N/A C13H13N2OD5 223.33
Metformin-d6 HCl 657-24-9 (non-d) C4H5N5D6.HCl 135.20 36.46
Metformin Hydroxy Analog Impurity C2H6N4O 102.1
Metformin HCl C4H11N5.HCl 129.17 36.46
Metformin EP Impurity B (Monoguanyl Melamine) 07-08-4405 C4H8N8 168.16
N,N-Dimethyl Melamine C6H12N8 196.22
Metformin Impurity D C3H6N6 126.12
Metformin Impurity C 1985-46-2 C5H10N6 154.18
Metformin Impurity E (1-Methylbiguanide) Sulfate 36801-25-9 C3H9N5. H2O4S 115.14 98.08
Metformin Impurity F C4H12N6 144.18
Methimazole-d3 60-56-0 (non-d) C4H3N2SD3 117.19
Methimazole (Thiamazole) Impurity B 616-47-7 C4H6N2 82.11
Medroxyprogesterone acetate 520-85-4 C24H34O4 386.54
Medroxyprogesterone Glucuronide N/A C28H40O9 520.63
Medroxyprogesterone acetate impurity F (4,5-beta-Dihydromedroxyprogesterone acetate) 69688-15-9 C24H36O4 388.55
Medroxyprogesterone EP Impurity C C24H34O4 386.54
Medroxyprogesterone EP Impurity D C24H34O4 386.54
Medroxyprogesterone EP Impurity I C22H32O3 344.5
Medroxyprogesterone EP Impurity A C24H34O5 402.54
Medroxyprogesterone EP Impurity F C24H36O4 388.55
Medroxyprogesterone EP Impurity E C24H32O4 384.52
Medroxyprogesterone EP Impurity H C23H32O4 372.51
Medroxyprogesterone acetate-13C2-d3 520-85-4 (non-d) C24H31O4D3 391.54
Medroxyprogesterone acetate-d10 520-85-4 (non-d) C24H24O4D10 396.54
Medroxyprogesterone 17-Acetate-d3 71-58-9 (non-labelled) C24H31O4D3 389.55
Medroxyprogesterone (Medroxyprogesterone EP Impurity B) 520-85-4 C22H32O3 344.5
Medroxyprogesterone-d3 162462-69-3 C22H29O3D3 347.52
Medroxyprogesterone-d7 N/A C22H25O3D7 351.54
Medroxyprogesterone-13C-d3 N/A C22H29O3D3 348.51
1,2-Dehydro Medroxyprogesterone 3660-13-7 C22H30O3 342.48
M-462
DL-Methionine C5H11NO2S 149.21
Methyl 4-Acetamido-5-Bromo-2-Methoxybenzoate C11H12BrNO4 302.13
Mebeverine HCl 2753-45-9 C25H35NO5. HCl 429.56 36.46
Desmethyl Mebeverine Alcohol-d5 C15H20NO2D5 256.4
Desmethyl Mebeverine Alcohol C15H25NO2 251.37
Mebeverine Alcohol-d5 C16H22NO2D5 270.43
Mebeverine Alcohol HCl C16H27NO2. HCl 265.40 36.46
Mebeverine-d6 HCl C25H29NO5D6.HCl 435.60 36.46
Desmethyl Mebeverine acid 586357-02-0 C15H23NO3 265.36
Desmethyl Mebeverine Acid-d5 C15H18NO3D5 270.39
Mebeverine alcohol (MAL) C16H27NO2 265.4
Mebeverine Acid HCl 475203-77-1 (free base) C16H25NO3. HCl 279.38 36.46
Desmethyl Mebeverine Acid-d6 C15H17NO3D6 271.39
DMAC acyl glucuronide C21H31NO9 441.48
DMAC phenolic glucuronide C21H31NO9 441.48
Mitiglinide 145375-43-5 C19H25NO3 315.42
Mitiglinide-d5 145375-43-5 (non-labelled) C19H20NO3D5 320.45
Mitiglinide acyl glucuronide C25H33NO9 491.54
Mitiglinide calcium 207844-01-7 C38H48CaN2O6 . 2 H2O 668.90 2 18.02
Mitiglinide Impurity I N/A C19H25NO3 315.42
(2R)-Mitiglinide Calcium Salt Monohydrate 1266354-02-2 (anhydrous) C19H24NO3. 0.5 Ca . H2O 314.41 0.5 40.08 18.02
Mitiglinide impurity E C19H25NO4 331.42
Mitiglinide Impurity B N/A C11H12O4 208.22
Mitiglinide Impurity C C19H25NO3 315.42
Mildronate-d3 76144-81-5 (non-labelled) C6H11N2O2D3 149.21
Mildronate 76144-81-5 C6H14N2O2 146.19
Methocarbamol 532-03-6 C11H15NO5 241.25
Methocarbamol-d5 532-03-6(non-d) C11H10D5NO5 246.28
Methocarbamol glucuronide C17H23NO11 417.37
Methocarbamol sulfate C11H15NO8S 321.31
Methocarbamol-13C-d3 NA C11H12NO5D3 245.25
Metamizole Sodium Salt (Dipyrone) 68-89-3 C13H16N3NaO4S 333.34

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