| Isosorbide Impurity 1 | 27299-12-3 | C6H12O5 |
| Isosorbide Impurity 4 | 39698-15-2 | C8H11NO7 |
| Isosorbide Impurity 5 | 39813-48-4 | C8H11NO7 |
| Isosorbide Impurity 6 | 13042-39-2 | C8H12O5 |
| Isosorbide Impurity 7 | 65940-93-4 | C8H12O5 |
| Isosorbide Impurity 8 | 13042-38-1 | C10H14O6 |
| Isosorbide Impurity 10 | 38709-03-4 | C6H9NO6 |
| Isosorbide Impurity 11 | 16908-91-1 | C6H9NO6 |
| Isosorbide Impurity 16 | 32871-20-8 | C12H17NO12 |
| Isosorbide Impurity 18 | 110627-23-1 | C6H7NO6 |
| Isosorbide Impurity 19 | 13241-36-6 | C6H6O4 |
| Isosorbide Mononitrate Imp. C (EP): Isosorbide 2-Nitrate | 16106-20-0 | C6H9NO6 |
| Isosorbide nitrate EP impurity B | 16106-20-0 | C6H9NO6 |
| Isosorbide nitrate EP impurity C | 16051-77-7 | C6H9NO6 |
| Isosorbide-2-nitrate | 16106-20-0 | C6H9NO6 |
| Isosorbitol | 652-67-5 | C6H10O4 |
| Isosulfan Blue | 68238-36-8 | C27H31N2NaO6S2 |
| Isotachysterol3, 90% | 22350-43-2 | C27H44O |
| Isotachysterol 3 | 22350-43-2 | C27H44O |
| Isothiocolchicoside | Not available | C27H33NO10S |
| Isotrazodone | 157072-18-9 | C19H22ClN5O |
| Isotretinoin (Tretinoin EP Impurity A) | 4759-48-2 | C20H28O2 |
| Isotretinoin EP Impurity B (Tretinoin EP Impurity B) | 5352-74-9 | C20H28O2 |
| Isotretinoin EP Impurity C (Tretinoin EP Impurity C) | 3555-80-4 | C20H28O2 |
| Isotretinoin EP Impurity D (Tretinoin EP Impurity D) | 5300-03-8 | C20H28O2 |
| Isotretinoin EP Impurity F | 68070-35-9 | C20H28O2 |
| Isotretinoin EP Impurity H | 71748-58-8 | C20H26O3 |
| Isotretinoin EP Impurity I | 75281-25-3 | C20H28O3 |
| Isotretinoin Imp. A (EP): Tretinoin | 302-79-4 | C20H28O2 |
| Isotretinoin Impurity 2 | 51318-62-8 | C7H11BrO2 |
| Isotretinoin Impurity 3 | 39760-56-0 | C11H21O5P |
| Isotretinoin Impurity 4 | 173326-85-7 | C20H28O2 |
| Isotretinoin Ring | 40834-42-2 | C5H6O3 |
| Isovalarylganciclovir | 1219792-41-2 | C14H21N5O5 |
| Isovanillin | 621-59-0 | C8H8O3 |
| Isovitamin D3 | 42607-12-5 | C27H44O |
| Isoxic acid | 55453-87-7 | C16H12O4 |
| Isradipine impurity B | Not available | C21H25N3O5 |
| Isradipine impurity D | 116169-18-7 | C19H19N3O5 |
| Isradipine Related Compound A | 116169-18-7 | C19H19N3O5 |
| Istradefylline Impurity 4 | 89073-60-9 | C8H12N4O3 |
| Istradefylline Impurity 5 | 146946-10-3 | C8H12N4O4 |
| Istradefylline Impurity 7 | 187393-68-6 | C19H24N4O5 |
| Istradefylline Impurity 11 | 155270-98-7 | C19H22N4O4 |
| Istradefylline Impurity 15 | 606080-73-3 | C20H24N4O4 |
| Istradefylline Impurity 16 | 1453190-01-6 | C20H24N4O4 |
| Itopride impurity 2 | 331239-23-7 | C17H19NO4 |
| Itopride impurity 3 | 943518-63-6 | C16H17NO4 |
| Itraconazole Desethylene-seco-piperazine | Not available | C33H36Cl2N8O4 |
| Itraconazole Desethylene-seco-piperazine Di-N-formyl Impurity | 1199350-02-1 | C35H36Cl2N8O6 |
| Itraconazole Desethylene-seco-piperazine Mono-N-formyl Impurity | 1199350-00-9 | C34H36Cl2N8O5 |
| Itraconazole Didioxolonyl Impurity | Not available | C44H41Cl4N11O6 |
| Itraconazole EP Impurity A | 252964-68-4 | C23H29N5O2 |
| Itraconazole EP Impurity B | 854372-77-3 | C35H38Cl2N8O4 |
| Itraconazole EP Impurity C | 74855-91-7 | C34H36Cl2N8O4 |
| Itraconazole EP Impurity D | 89848-49-7 | C34H36Cl2N8O4 |
| Itraconazole EP Impurity E | 252964-65-1 | C35H38Cl2N8O4 |
| Itraconazole EP Impurity F | 89848-51-1 | C35H38Cl2N8O4 |
| Itraconazole for system suitability | 84625-61-6 | C35H38Cl2N8O4 |
| Itraconazole Imidazolium Impurity | Not available | C34H35Cl3N8O4 |
| Itraconazole Imp. A (EP): 4-[4-[4-(4-Methoxyphenyl)piperazin- 1-yl]phenyl]-2-[(1RS)-1-methylpropyl]-2,4-dihydro- 3H-1,2,4-triazol-3-one | 252964-68-4 | C23H29N5O2 |
| Itraconazole Imp. C (EP): 4-[4-[4-[4-[[cis-2-(2,4-Dichlorophenyl)- 2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]- methoxy]phenyl]piperazin-1-yl]phenyl]-2-propyl- 2,4-dihydro-3H-1,2,4-triazol-3-one | 74855-91-7 | C34H36Cl2N8O4 |
| Itraconazole Imp. D (EP): 4-[4-[4-[4-[[cis-2-(2,4-Dichlorophenyl)- 2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]- methoxy]phenyl]piperazin-1-yl]phenyl]-2-(1- methylethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one | 89848-49-7 | C34H36Cl2N8O4 |
| Itraconazole Imp. F (EP): 2-Butyl-4-[4-[4-[4-[[cis-2-(2,4-dichloro- phenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan- 4-yl]methoxy]phenyl]piperazin-1-yl]phenyl]-2,4- dihydro-3H-1,2,4-triazol-3-one | 89848-51-1 | C35H38Cl2N8O4 |
| Itraconazole Impurity 8 | 115897-54-6 | C14H15Cl2N3O5S |
| Itraconazole Impurity 9 | 112560-33-5 | C35H36Cl2N8O5 |
| Itraconazole Impurity 11 | 172587-60-9 | C13H13Cl2N3O3 |
| Itraconazole Impurity 12 | 308361-47-9 | C16H23N5O |
| Itraconazole Impurity 13 | 219923-93-0 | C18H22N4O2 |
| Itraconazole Impurity 15 | 1199350-00-9 | C34H36Cl2N8O5 |
| Itraconazole Impurity 16 | 89848-41-9 | C31H30Cl2N8O4 |
| Itraconazole Impurity 17 | 854372-78-4 | C14H15Cl2N3O5S |
| Itraconazole Impurity 17 | 67914-86-7 | C14H15Cl2N3O5S |
| Itraconazole Impurity 19 | 1437468-62-6 | C29H30Cl2N6O3 |
| Itraconazole Impurity 20 | 89848-13-5 | C30H32Cl2N8O4 |
| Itraconazole Impurity 21 | 89848-20-4 | C22H27N5O2 |
| Itraconazole Impurity 22 | 106461-41-0 | C22H27N5O2 |
| Itraconazole Impurity 23 | 103661-14-9 | C14H15Cl2N3O5S |
| Itraconazole Impurity 24 | 79538-91-3 | C21H25N5O2 |
| Itraconazole Impurity 25 | 74852-62-3 | C17H21N3O |
| Itraconazole Impurity 26 | 89848-15-7 | C23H29N5O2 |
| Itraconazole Impurity 28 | 207970-87-4 | C35H38Cl2N8O5 |
| Itraconazole Impurity 32 | 1199350-02-1 | C35H36Cl2N8O6 |
| Ivabradine Impurity 10 (free base) | 1462470-54-7 | C27H38N2O6 |
| Ivabradine Impurity 15 | 1616710-50-9 | C27H35ClN2O6 |
| Ivabradine Impurity 32 | 304462-60-0 | C26H34N2O5 |
| Ivacaftor Carboxylic Acid | 1246213-24-0 | C24H26N2O5 |
| Ivacaftor impurities1 | 873051-52-6 | C24H28N2O3 |
| Ivacaftor impurities2 | 873054-39-8 | C20H20N2O3 |
| Ivacaftor impurities3 | 873055-35-7 | C10H15NO |
| Ivacaftor impurities4 | 1643-39-6 | C14H23NO |
| Ivacaftor impurities5 | 1246213-24-0 | C24H26N2O5 |
| Ivacaftor impurities6 | 1246213-23-9 | C24H28N2O4 |
| Ivacaftor impurities7 | 1246213-41-1 | C24H24N2O4 |
| Ivacaftor impurities8 (Kynurenic Acid Impurity 4) | 34785-11-0 | C10H7NO3 |
| Ivacaftor impurities9 | 83342-70-5 | C10H7NO2 |
| Ivacaftor impurities10 | 26892-90-0 | C12H11NO3 |
| Ivacaftor impurities11 | 13721-01-2 | C10H7NO3 |
| Ivacaftor impurities 12 | 873055-58-4 | C14H23NO |
| Ivacaftor impurities 17 | 2760759-55-3 | C34H33N3O5 |
| Ivebradine impurity 3 | 866783-13-3 | C12H18ClNO2 |
| Ivebradine impurity 5 | 2253977-80-7 | C27H36N2O6 |
| Ivebradine impurity 6 | 1086026-31-4 | C27H34N2O5 |
| Ivermectin B1 Aglycon | 73162-95-5 | C34H50O8 |
| Ivermectin B1a | 71827-03-7 | C48H74O14 |
| Ivermectin impurity 5 | 102190-55-6 | C48H72O15 |
| Ivermectin impurity 8 | 73162-95-5 | C34H50O8 |
| Ivermectin impurity 9 | 71837-27-9 | C41H62O11 |
| Ivermectin impurity 12 | 74567-01-4 | C48H76O14 |
| Ivermectin impurity 16 | 431070-70-1 | C47H72O14 |
| Ivermectin impurity 17 | 127468-07-9 | C48H74O15 |
| Ixaconazole chloride | 497235-79-7 | C35H36Cl2F2N8O5S |
| Ixaconazole Impurity31 | 40805-50-3 | C9H6ClNO |
| Ixaconazole side chain intermediate 2 | 1180002-01-0 | C15H23N3O4 |
| Ixaconazole side chain intermediate 3 | 20099-89-2 | C9H6BrNO |
| Ixaconazole-Intermediate 11 (p-cyanoacetophenone) | 1443-80-7 | C9H7NO |
| Ixazomib Impurity 1 | 1201903-02-7 | C24H33BCl2N2O4 |
| Ixazomib Impurity 2 | 1378314-08-9 | C9H8Cl2N2O2 |
| Ixazomib Impurity 9 | 1092351-67-1 | C16H16N6O |
| Ixazomib Impurity 11 | 69125-10-6 | C3H2ClN3O2 |
| Ixazomib Impurity 12 | 16290-26-9 | C7H10BrNO2 |
| Ixazomib Impurity 13 | 6334-18-5 | C7H4Cl2O |
| Ixazomib Impurity 14 | 6287-38-3 | C7H4Cl2O |
| Ixazomib Impurity 15 | 10203-08-4 | C7H4Cl2O |
| Ixazomib Impurity 16 | 338965-44-9 | C10H9Cl2NO3 |
| Ixazomib Impurity 17 | 349086-08-4 | C12H15Cl2NO |
| Ixazomib Impurity 18 | 328283-61-0 | C11H11Cl2NO3 |
| Ixazomib Impurity 19 | 1239908-20-3 | C20H23BCl2N2O9 |
| Ixazomib Impurity 20 | 1429055-05-9 | C14H16Cl2N2O2 |
| Ixazomib Impurity 21 | 54730-36-8 | C7H3Cl5 |
| Ixazomib Impurity 22 | 10541-71-6 | C7H3Cl5 |
| Ixazomib Impurity 24 | 50-82-8 | C7H3Cl3O2 |
| Ixazomib Impurity 26 | 6660-65-7 | C8H4Cl2O4 |
| Ixazomib Impurity 66 | 2806031-79-6 | C12H16BCl2NO3 |
| Ixazomib Impurity 67 | 667403-46-5 | C9H7Cl2NO3 |
| Ixazomib-13C2,15N | Not available | C14H19BCl2N2O4 |
| Jaceosidin impurity 1 | 1404192-74-0 | C17H16O8 |
| Jaceosidin impurity 2 | 7084-24-4 | C21H21ClO11 |
| Jacobine | 6870-67-3 | C18H25NO6 |
| Jamaicin | 24211-36-7 | C22H18O6 |
| JH-RE-06 | 1361227-90-8 | C20H16Cl3N3O4 |
| Josamycin 5-propionate | 31674-19-8 | C45H73NO16 |
| Josamycin Deisovaleryl Impurity | 31642-61-2 | C37H61NO14 |
| Josamycin EP Impurity G | Not available | C37H61NO14 |
| Josamycin EP Impurity H | Not available | C40H67NO14 |
| Josamycin for peak identification | 16846-24-5 | C42H69NO15 |
| Josamycin fosfomycin | 96740-84-0 | C45H76NO19P |
| Josamycin Hydrochloride | 11033-19-5 | C42H70ClNO15 |
| JTV 519 Fumarate | 1883549-36-7 | C29H36N2O6S |
| Kaempferide | 491-54-3 | C16H12O6 |
| Kaempferol-3-o-rutinoside | 17650-84-9 | C27H30O15 |
| Kainic acid | 487-79-6 | C10H15NO4 |
| Kanamycin B | 4696-76-8 | C18H37N5O10 |
| Kanamycin B sulphate | Not available | C18H39N5O14S |
| Ketamine (Esketamine) EP Impurity B | 1823362-29-3 | C12H13ClO2 |
| Ketamine (Esketamine) EP Impurity C | 90717-17-2 | C12H13ClO2 |
| Ketamine Hydrochloride Imp. A (EP): 1-[(2-Chlorophenyl)- (methylimino)methyl]cyclopentanol | 6740-87-0 | C13H16ClNO |
| Ketamine Hydrochloride Imp. C (EP): (2-Chlorophenyl)(1- hydroxycyclopentyl)methanone | 90717-17-2 | C12H13ClO2 |
| Ketamine Impurity 1 | 79499-56-2 | C13H14ClNO |
| Ketamine Impurity 2 | 2420454-91-5 | C12H13ClO2 |
| Ketamine Impurity 3 | 95342-35-1 | C12H14ClNO2 |
| Ketamine Impurity 4 | 120199-64-6 | C12H14ClNO2 |
| Ketamine Impurity 5 | 153381-94-3 | C12H12ClNO |
| Ketamine Impurity 7 | 2173991-73-4 | C12H15Cl2NO2 |
| Ketamine impurity A | 6740-87-0 | C13H16ClNO |
| Ketamine Related Compound A | 6740-87-0 | C13H16ClNO |
| keto Pioglitazone | 146062-45-5 | C19H18N2O4S |
| Ketobemidone impurity B | 64058-44-2 | C14H19NO2 |
| Ketobemidone impurity C | 15847-72-0 | C14H19NO2 |
| Ketobemidone impurity C | Not available | C14H19NO2 |
| Ketoconazole EP Impurity A | 254912-63-5 | C26H26Cl2N4O4 |
| Ketoconazole EP Impurity C | 83374-59-8 | C26H28Cl2N4O4 |
| Ketoconazole EP Impurity D | 67914-61-8 | C24H26Cl2N4O3 |
| Ketoconazole EP Impurity E | 134071-44-6 | C21H20Cl2N2O5S |
| Ketoconazole Imp. D (EP): 1-[4-[[(2RS,4SR)-2-(2,4- Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)- 1,3-dioxolan-4-yl]methoxy]phenyl]piperazine | 67914-61-8 | C24H26Cl2N4O3 |
| Ketoconazole Imp. E (EP): [(2RS,4SR)-2-(2,4-Dichlorophenyl)-2- (1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methyl 4-Methylbenzenesulfonate | 134071-44-6 | C21H20Cl2N2O5S |
| Ketoconazole Impurity 1 | 581806-59-9 | C12H14N2O2 |
| Ketoconazole Impurity 4 | 170210-39-6 | C18H15BrCl2O4 |
| Ketoconazole Impurity 5 | 2234-16-4 | C8H6Cl2O |
| Ketoconazole Impurity 6 | 1610851-15-4 | C21H20Cl2N2O5S |
| Ketoconazole Impurity 7 | 172032-21-2 | C11H12Cl2O3 |
| Ketoconazole Impurity 8 | 61397-58-8 | C14H14Cl2N2O3 |
| Ketoconazole Impurity 9 | 170210-42-1 | C14H14Cl2N2O3 |
| Ketoconazole Impurity 10 | 70894-66-5 | C21H18Cl2N2O4 |
| Ketoconazole Impurity 13 | 67914-60-7 | C12H16N2O2 |
| Ketoconazole Impurity 15 | 98207-06-8 | C23H25BrCl2N2O4 |
| Ketoconazole Impurity 17 | 2095256-87-2 | C21H20Cl2N2O5S |
| Ketoconazole Impurity 18 | 1610851-14-3 | C21H20Cl2N2O5S |
| Ketoconazole Impurity 19 | 1334423-12-9 | C26H29ClN4O4 |
| Ketoconazole Impurity 20 | 91458-32-1 | C26H29ClN4O4 |
| Ketoconazole Impurity 25 | 1253852-50-4 | C24H26Cl2N4O4 |
| Ketoconazole Impurity 27 | 142128-58-3 | C26H28Cl2N4O4 |
| Ketoconazole Impurity 30 | 73742-56-0 | C6H11N3O2 |
| Ketoconazole Impurity 31 | 26305-08-8 | C2H5N5O3 |
| Ketoconazole impurity standard | 65277-42-1 | C26H28Cl2N4O4 |
| Ketoconazole N-Oxide | 254912-65-7 | C26H28Cl2N4O5 |
| Ketoconazole-D4 | 1398065-75-2 | C26H28Cl2N4O4 |
| KetoconazoleN-Oxide | 254912-65-7 | C26H28Cl2N4O5 |
| Ketofexofenadine | 76811-98-8 | C32H37NO4 |
| Ketoprofen 1,2,3-Propanetriol Esters (Mixture of Regio- and Stereoisomers) | Not available | C38H40O10 |
| Ketoprofen 1,3-Butylene Glycol Esters (Mixture of Regio- and Stereoisomers) | Not available | C40H44O8 |
| Ketoprofen 2,3-Butylene Glycol Ester | 94561-67-8 | C20H22O4 |
| Ketoprofen 2-Ethylhexyl Ester | Not available | C24H30O3 |
| Ketoprofen Acyl-β-D-Glucuronide | 76690-94-3 | C22H22O9 |
| Ketoprofen EP Impurity A | 66067-44-5 | C15H12O2 |
| Ketoprofen EP Impurity B | 22071-22-3 | C15H12O3 |
| Ketoprofen EP Impurity C | 68432-95-1 | C10H10O4 |
| Ketoprofen EP Impurity D | 107257-20-5 | C17H16O3 |
| Ketoprofen EP Impurity E | 59512-16-2 | C16H15NO2 |
| Ketoprofen EP Impurity F | 42872-30-0 | C16H13NO |
| Ketoprofen EP Impurity G | 5537-71-3 | C10H9NO2 |
| Ketoprofen EP Impurity H | 5689-33-8 | C9H7NO2 |
| Ketoprofen EP Impurity I | 21288-34-6 | C15H11NO |
| Ketoprofen EP Impurity J | 1785759-59-2 | C18H18O3 |
| Ketoprofen EP Impurity L | 1797984-80-5 | C19H20O3 |
| Ketoprofen ethyl ester | 60658-04-0 | C18H18O3 |
| Ketoprofen Ethyl Ester | 60658-04-0 | C18H18O3 |
| Ketoprofen Imp. A (EP): 1-(3-Benzoylphenyl)ethanone (3-Acetylbenzophenone) | 66067-44-5 | C15H12O2 |
| Ketoprofen Imp. B (EP): (3-Benzoylphenyl)acetic Acid | 22071-22-3 | C15H12O3 |
| Ketoprofen Imp. C (EP): 3-[(1RS)-1-Carboxyethyl]- benzoic Acid | 68432-95-1 | C10H10O4 |
| Ketoprofen Imp. D (EP): (2RS)-2-[3-(4-Methylbenzoyl)- phenyl]propanoic Acid | 107257-20-5 | C17H16O3 |
| Ketoprofen Imp. E (EP): (2RS)-2-(3-Benzoylphenyl)- propanamide | 59512-16-2 | C16H15NO2 |
| Ketoprofen Imp. F (EP): (2RS)-2-(3-Benzoylphenyl)- propanenitrile | 42872-30-0 | C16H13NO |
| Ketoprofen Imp. G (EP): 3-[(1RS)-1-Cyanoethyl]- benzoic Acid | 5537-71-3 | C10H9NO2 |
| Ketoprofen Imp. H (EP): 3-(Cyanomethyl)benzoic Acid | 5689-33-8 | C9H7NO2 |
| Ketoprofen Imp. I (EP): (3-Benzoylphenyl)ethanenitrile | 21288-34-6 | C15H11NO |
| Ketoprofen Impurity 4 | 643-65-2 | C14H12O |
| Ketoprofen Impurity 5 | 59960-32-6 | C16H16O3 |
| Ketoprofen Impurity 11 | 144977-91-3 | C16H14O4 |
| Ketoprofen Impurity 15 | 1257296-76-6 | C19H20O5 |
| Ketoprofen Impurity 17 | 24131-07-5 | C12H13NO2 |
| Ketoprofen Impurity 18 | 144977-90-2 | C16H14O4 |
| Ketoprofen Impurity 19 | 1420774-68-0 | C11H12O5 |
| Ketoprofen Impurity 20 | 108315-48-6 | C15H14O3 |
| Ketoprofen Impurity 21 | 42872-29-7 | C10H8ClNO |
| Ketoprofen Impurity 22 | 66067-43-4 | C15H14O |
| Ketoprofen Impurity 23 | 1092395-13-5 | C11H10ClNO |
| Ketoprofen Impurity 24 | 42872-32-2 | C9H6ClNO |
| Ketoprofen Impurity 25 | 872091-00-4 | C11H11NO2 |
| Ketoprofen Impurity 26 | 63444-57-5 | C15H12O |
| Ketoprofen Impurity 27 | 81601-91-4 | C17H16O3 |
| Ketoprofen Impurity 28 | 1777829-91-0 | C20H23NO5 |
| Ketoprofen Impurity 29 | 2716236-51-8 | C36H35NO7 |
| Ketoprofen impurity A | 66067-44-5 | C15H12O2 |
| Ketoprofen impurity C | 68432-95-1 | C10H10O4 |
| Ketoprofen Isopropyl Ester | 220662-26-0 | C19H20O3 |
| Ketoprofen Methyl Ester | 47087-07-0 | C17H16O3 |
| Ketoprofen Propylene Glycol Ester (Mixture of Isomers) | Not available | C38H40O8 |
| Ketoprofen Related Compound A | 107257-20-5 | C17H16O3 |
| Ketoprofen Related Compound C | 68432-95-1 | C10H10O4 |
