ChemicalBook >
Product Catalog >
Analytical Chemistry >
Standard >
Pharmaceutical Impurity Reference Standards
Pharmaceutical Impurity Reference Standards
Click on the specific product, view the latest prices of the products, information, serving information
- Structure:
- Chemical Name:5-(1-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)amino)-2-hydroxyethyl)-8-hydroxyquinolin-2(1H)-one
- CAS:2226428-25-5
- MF:C24H28N2O3
- Structure:
- Chemical Name:INDEX NAME NOT YET ASSIGNED
- CAS:2740235-22-5
- MF:C13H22N2O5
- Structure:
- Chemical Name:2-(4-ethylpiperazin-1-yl)-4-(2-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine
- CAS:
- MF:C23H30FN3
- Structure:
- Chemical Name:1-Naphthalenamine, 4-(2,3-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-, (1R,4S)-rel-
- CAS:2184053-08-3
- MF:C17H17Cl2N
- Chemical Name:Rosuvastatin Impurity 152
- CAS:
- MF:
- Structure:
- Chemical Name:1-[4-(2-AZEPAN-1-YL-ETHOXY)-BENZYL]-5-BENZYLOXY-2-(4-BENZYLOXY-PHENYL)-3-METHYL-1H-INDOLE
- CAS:198480-21-6
- MF:C44H46N2O3
- Structure:
- Chemical Name:6-Heptenoic acid, 7-[2-cyclopropyl-4-(4-fluorophenyl)-3-quinolinyl]-3,5-dihydroxy-, 1,1-dimethylethyl ester, (3S,5R,6E)-
- CAS:2273873-66-6
- MF:C29H32FNO4
- Structure:
- Chemical Name:2H-1,4-Benzoxazin-3(4H)-one, 8-(2-chloro-1-hydroxyethyl)-6-(phenylmethoxy)-
- CAS:2383660-53-3
- MF:C17H16ClNO4
- Chemical Name:4-chloro-N-(3-chloro-4-fluorophenyl)-8-nitroquinazolin-7-amine
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 40
- CAS:
- MF:
- Structure:
- Chemical Name:2,3'-Bipyridine, 5-chloro-6'-methyl-3-[4-(methylsulfonyl)phenyl]-, 1,1'-dioxide
- CAS:2724840-93-9
- MF:C18H15ClN2O4S
- Chemical Name:Vitamin K1 Impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:1,3-Dioxo-2-isoindolineaceticacid
- CAS:6296-53-3
- MF:C10H7NO4
- Structure:
- Chemical Name:1-(4-Bromo-2-(hydroxymethyl)phenyl)-4-(dimethylamino)-1-(4-fluorophenyl)butan-1-olhydrochloride
- CAS:488148-10-3
- MF:C19H23BrFNO2
- Chemical Name:Bisoprolol Impurity 42
- CAS:
- MF:
- Chemical Name:Peramivir Impurity 31(R)
- CAS:
- MF:
- Chemical Name:Roxatidine Impurity 10
- CAS:
- MF:
- Structure:
- Chemical Name:2H-Pyrido[3,4-h]-1,4-benzoxazin-3(4H)-one, 7,8,9,10-tetrahydro-6,10-dihydroxy-8-[2-(4-methoxyphenyl)-1,1-dimethylethyl]-
- CAS:2727170-18-3
- MF:C22H26N2O5
- Structure:
- Chemical Name:Vildagliptin Chloroacetyl Nitrile (R)-Isomer
- CAS:565452-98-4
- MF:C7H9ClN2O
- Chemical Name:Nirmatrelvir Impurity 5
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity 119
- CAS:
- MF:
- Chemical Name:Perospirone Impurity 27
- CAS:
- MF:
- Chemical Name: Paxlovid Impurity 11
- CAS:
- MF:
- Chemical Name:3-(2-(cyclopent-3-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide
- CAS:
- MF:
- Chemical Name:Timolol maleate impurity 02
- CAS:
- MF:
- Chemical Name:Fondaparinux sodium impurity 19
- CAS:
- MF:
- Chemical Name:Avatrombopag Impurity 59
- CAS:
- MF:
- Chemical Name: Lasmiditan Impurity 3
- CAS:
- MF:
- Chemical Name:Olaparib Adduct Impurity
- CAS:
- MF:
- Chemical Name:8-chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b] pyridine
- CAS:2514965-36-5
- MF:
- Chemical Name:Febuxostat impurity EOX
- CAS:
- MF:
- Structure:
- Chemical Name:2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC METHYL ESTER-1,1-DIOXIDE
- CAS:35511-15-0
- MF:C11H11NO5S
- Chemical Name:Olodaterol Impurity 26
- CAS:
- MF:
- Structure:
- Chemical Name:2H-3-Benzazepin-2-one, 3-[3-[[(2S)-3-chloro-2-(3,4-dimethoxyphenyl)propyl]methylamino]propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-
- CAS:2768438-46-4
- MF:C27H37ClN2O5
- Chemical Name:Ethacridine Impurity 5
- CAS:869002-00-6
- MF:
- Chemical Name:Olodaterol Impurity 29
- CAS:
- MF:
- Chemical Name: Elagolix Impurity 40
- CAS:
- MF:
- Structure:
- Chemical Name:8-chloro-6-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-7-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
- CAS:2365490-44-2
- MF:C13H8ClF2NO4
- Structure:
- Chemical Name:[3-[[[2-(Diaminomethyleneamino)-4-thiazolyl]methyl]thio]propionyl]sulfamide
- CAS:106433-44-7
- MF:C8H14N6O3S3
- Structure:
- Chemical Name:3-Formyl-25-desacetyl Rifamycin
- CAS:16783-97-4
- MF:C36H45NO12
- Structure:
- Chemical Name:4-(3-Methylphenyl)-2H-pyrido[4,3-e]-1,2,4-thiadiazin-3(4H)-one 1,1-Dioxide
- CAS:72810-61-8
- MF:C13H11N3O3S
- Structure:
- Chemical Name:8-Desacetyl-8-carboxy Daunorubicin Hydrochloride
- CAS:58199-96-5
- MF:C26H27NO11.ClH
- Structure:
- Chemical Name:D,L N,O-Didesmethylvenlafaxine
- CAS:135308-74-6
- MF:C15H23NO2
- Structure:
- Chemical Name:Desmethyl Erlotinib Acetate
- CAS:183320-15-2
- MF:C23H23N3O5
- Structure:
- Chemical Name:Erythromycin E_x000b_Discontinued
- CAS:41451-91-6
- MF:C37H65NO14
- Structure:
- Chemical Name:2-(3,4-dihydroxyphenyl)acetaldehyde
- CAS:5707-55-1
- MF:C8H8O3
- Structure:
- Chemical Name:NSC 77154
- CAS:4121-39-5
- MF:C8H9N5
- Structure:
- Chemical Name:N-Methyl-N,N-bis(2-pyridylethyl)amine
- CAS:5452-87-9
- MF:C15H19N3
- Structure:
- Chemical Name:(2R,4R)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid
- CAS:1012341-56-8
- MF:C23H29NO4
- Chemical Name:Alogliptin Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:Linagliptin Impurity D
- CAS:666816-91-7
- MF:C20H28N6O4
- Structure:
- Chemical Name:Parecoxib Impurity C
- CAS:3026677-40-4
- MF:
- Structure:
- Chemical Name:Rac Atomoxetine Hydrochloride
- CAS:82857-40-7
- MF:C17H22ClNO
- Structure:
- Chemical Name:3-(1H-imidazol-1-yl)-5-(trifluoromethyl)aniline
- CAS:943320-48-7
- MF:C10H8F3N3
- Structure:
- Chemical Name:Linagliptin Impurity H
- CAS:1646355-34-1
- MF:C22H23N7O2
- Structure:
- Chemical Name:Ezetimibe Impurity 54
- CAS:1185883-39-9
- MF:C40H36F2N2O5
- Structure:
- Chemical Name:2-(2-fluorophenyl)-1,3-di(1H-1,2,4-triazol-1-yl)propan-2-ol
- CAS:1348664-75-4
- MF:C13H13FN6O
- Chemical Name:Dapagliflozin Impurity 2
- CAS:
- MF:
- Chemical Name:Imatinib Impurity 1
- CAS:
- MF:
- Chemical Name:Imatinib Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Nifedipine Impurity 3
- CAS:
- MF:C19H22N2O6
- Chemical Name:Riociguat Impurtiy 5
- CAS:
- MF:
- Chemical Name:Vonoprazan Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Avibactam Impurity
- CAS:1797133-98-2
- MF:C7H12N3NaO6S
- Structure:
- Chemical Name:Citalopram EP Impurity E
- CAS:64169-47-7
- MF:C19H22Cl2FNO
- Chemical Name:Dapagliflozin Impurity F
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:Entecavir Impurity
- CAS:1333204-94-6
- MF:C12H15N5O3
- Chemical Name:Gadobutrol Impurity
- CAS:
- MF:
- Chemical Name:Lesinurad Impurity
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Salmeterol EP Impurity A
- CAS:1798014-51-3
- MF:C19H25NO3
- Chemical Name:Tacrolimus impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:2-(2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)propan-2-yl)-4,4-dimethyl-4,5-dihydrooxazole
- CAS:202189-77-3
- MF:C32H44N4O2
- Chemical Name:Saxagliptin Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Alcaftadine N-Oxide
- CAS:952649-75-1
- MF:C19H21N3O2
- Structure:
- Chemical Name:Ethyl 4-(4-fluorophenyl)-1-methyl-2,6-dioxopiperidine-3-carboxylate
- CAS:202534-94-9
- MF:C15H16FNO4
- Chemical Name:Tofacitinib Impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:3',6'-Dehydroclindamycin
- CAS:1440605-51-5
- MF:C18H31ClN2O5S
- Structure:
- Chemical Name:Iguratimod Impurity 5
- CAS:84594-95-6
- MF:C13H11NO4
- Chemical Name:Cefradine Impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:Mirabegron Impurity
- CAS:1684452-83-2
- MF:C26H28N6O3S2
- Structure:
- Chemical Name:1-methyl-1H-indol-6-ol
- CAS:130570-60-4
- MF:C9H9NO
- Structure:
- Chemical Name:2-(2-Hydroxyphenyl)-4-methyl-5-thiazolecarboxylic acid ethyl ester
- CAS:118485-48-6
- MF:C13H13NO3S
- Structure:
- Chemical Name:32-Carboxycyanocobalamin
- CAS:121483-62-3
- MF:C63H87CoN13O15P
- Chemical Name:Alvimopan Impurity 6
- CAS:
- MF:
- Chemical Name:Acarbose Impurity B
- CAS:
- MF:
- Chemical Name:Sofosbuvir Impurity28
- CAS:
- MF:
- Chemical Name:Rivaroxaban Impurity 10
- CAS:
- MF:
- Chemical Name:Ipragliflozin Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:(17α)-4-Bromo-17-hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile
- CAS:98149-13-4
- MF:C20H24BrNO2
- Structure:
- Chemical Name:316173-27-0
- CAS:316173-27-0
- MF:C17H28N2O5
- Structure:
- Chemical Name:Azilsartan Impurity
- CAS:1821386-21-3
- MF:C22H18N4O4
- Structure:
- Chemical Name:Irbesartan impurity 7
- CAS:
- MF:C25H28N6O
- Chemical Name:Voriconazole Impurity 2
- CAS:
- MF:
- Chemical Name:Safinamide Impurity 1
- CAS:
- MF:
- Chemical Name:Caspofungin impurit 2
- CAS:
- MF: