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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Δ3-7-ACT
- CAS:
- MF:
- Structure:
- Chemical Name:methyl 5-methyl-3'-nitro-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate
- CAS:2469735-68-8
- MF:C15H15NO5
- Structure:
- Chemical Name:Pregn-4-ene-3,20-dione, 9-fluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, (11β,16α)-
- CAS:3093-36-5
- MF:C24H33FO5
- Structure:
- Chemical Name:2-(3-(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-1-(ethylsulfonyl)azetidin-3-yl)acetonitrile
- CAS:2402776-84-3
- MF:C23H27N9O4S2
- Structure:
- Chemical Name:Cyclopentanecarboxylic acid, 3-[(1S)-1-(acetylamino)-2-ethylbutyl]-4-[(aminocarbonyl)amino]-2-hydroxy-, (1S,2S,3R,4R)-
- CAS:2597901-48-7
- MF:C15H27N3O5
- Structure:
- Chemical Name:3-Isoquinolinecarboxylic acid, 7-(4-chlorophenoxy)-4-hydroxy-, methyl ester
- CAS:2711953-58-9
- MF:C17H12ClNO4
- Structure:
- Chemical Name:Benzoic acid, 3-(aminosulfonyl)-2,4-dichloro-
- CAS:1870323-25-3
- MF:C7H5Cl2NO4S
- Structure:
- Chemical Name:Benzeneacetamide, N,α,α-trimethyl-N-[6-(4-methyl-1,4-dioxido-1-piperazinyl)-4-(2-methylphenyl)-3-pyridinyl]-3,5-bis(trifluoromethyl)-
- CAS:1431216-61-3
- MF:C30H32F6N4O3
- Structure:
- Chemical Name:1,3-Dioxane-4-acetic acid, 6-[2-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-, sodium salt (1:1), (4R,6R)-
- CAS:862260-38-6
- MF:C36H40FN2NaO5
- Chemical Name:Avatrombopag Impurity 54
- CAS:
- MF:
- Chemical Name:Atorvastatin Impurity 45 (Sodium Salt)
- CAS:
- MF:
- Chemical Name:Tafluprost Impurity 15
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 159 （Sodium salt)
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 140
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 130
- CAS:
- MF:
- Chemical Name:Terlipressin Impurity 1 (des-Gly1)
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity 66
- CAS:
- MF:
- Structure:
- Chemical Name:2-Acetoxymethyl1-3-Methyl-4-
- CAS:112525-75-4
- MF:C11H12F3NO3
- Chemical Name:N-(7-chloro-4-((3-chloro-4-fluorophenyl)amino)quinazolin-6-yl)-4-(dimethylamino)butanamide
- CAS:
- MF:
- Chemical Name:Ertapenem Impurity D(USP)
- CAS:
- MF:
- Structure:
- Chemical Name:3-(N-Benzyl-N-methylamino)propiophenone hydrochloride
- CAS:5409-62-1
- MF:C17H20ClNO
- Structure:
- Chemical Name:2(1H)-Isoquinolinecarboxylic acid, 3,4-dihydro-4-hydroxy-1-phenyl-, (3R)-1-azabicyclo[2.2.2]oct-3-yl ester, (1S,4S)-
- CAS:869884-24-2
- MF:C23H26N2O3
- Chemical Name:Azilsartan Medoxomil Potassium impurity209
- CAS:
- MF:
- Chemical Name:Nelarabine impurity 01
- CAS:
- MF:
- Structure:
- Chemical Name:Pyridine, 2-(diethylboryl)- (9CI)
- CAS:385804-67-1
- MF:C9H14BN
- Structure:
- Chemical Name:Cyclopropanamine, 2-(3-fluorophenyl)-, (1R,2S)- (9CI)
- CAS:220353-83-3
- MF:C9H10FN
- Structure:
- Chemical Name:3-Pyrazolidinone, 5-cyclopentyl-, (5R)-, (2S,3S)-2,3-dihydroxybutanedioate (1:1)
- CAS:2102675-37-4
- MF:C12H20N2O7
- Structure:
- Chemical Name:1(2H)-Naphthalenone, 4-hydroxy-3-methyl-2-[(2E,6E,10E)-3,7,11,15-tetramethyl-2,6,10,14-hexadecatetraen-1-ylidene]-
- CAS:693781-59-8
- MF:C31H40O2
- Chemical Name:Bisoprolol Impurity 50
- CAS:
- MF:
- Chemical Name:Milnacipran Impurity 26
- CAS:
- MF:
- Chemical Name:Olodaterol Impurity 15
- CAS:
- MF:
- Chemical Name:Dobutamine Impurity 15
- CAS:
- MF:
- Structure:
- Chemical Name:2,3'-Bipyridine, 5-chloro-6'-methyl-3-[4-(methylthio)phenyl]-, hydrochloride (1:1)
- CAS:1447814-82-5
- MF:C18H16Cl2N2S
- Chemical Name:Pitavastatin Impurity 104
- CAS:
- MF:
- Chemical Name:Tegoprazan Impurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:Atomoxetine EP Impurity G DiHCl (Mixture of Diastereomers)
- CAS:2706536-33-4
- MF:C27H34N2O2
- Chemical Name:Nirmatrelvir Impurity 10
- CAS:
- MF:
- Chemical Name:Levosimendan Nitrosogenin Impurities
- CAS:
- MF:
- Structure:
- Chemical Name:7-(ALPHA-BROMOACETAMIDO)CEPHALOSPORANIC ACID
- CAS:26973-80-8
- MF:C12H13BrN2O6S
- Chemical Name:Bumetanide Impurity 20
- CAS:
- MF:
- Chemical Name:Rocuronium Bromide Impurity 28 、29
- CAS:
- MF:
- Chemical Name:Roxadustat Impurity 22
- CAS:
- MF:
- Chemical Name: Olaparib Impurity 41
- CAS:
- MF:
- Chemical Name:Perospirone Impurity 22
- CAS:
- MF:
- Structure:
- Chemical Name:Perospirone Impurity 14
- CAS:87691-94-9
- MF:C15H20BrN3S
- Chemical Name:Dolutegravir Impurity 22
- CAS:
- MF:
- Chemical Name:Paxlovid Impurity 20
- CAS:
- MF:
- Chemical Name:Related impurities 7 of fluoxetine sodium
- CAS:
- MF:
- Chemical Name:Revefenacin Impurity 16
- CAS:
- MF:
- Structure:
- Chemical Name:Fondaparinux sodium impurity 8
- CAS:2088176-32-1
- MF:C30H50N2O46S7
- Chemical Name:Fondaparinux sodium impurity 14
- CAS:
- MF:
- Chemical Name:Fondaparinux Sodium Impurity 9
- CAS:
- MF:
- Chemical Name:Oxacillin sodium Impurity D
- CAS:
- MF:
- Chemical Name:Piracetam IMPURITY
- CAS:
- MF:
- Chemical Name:Nilotinib N-Oxide Impurity 4
- CAS:
- MF:
- Chemical Name: Olodaterol Impurity 32
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-Lercanidipine Hydrochloride
- CAS:187731-34-6
- MF:C36H42ClN3O6
- Structure:
- Chemical Name:2-Oxo Clopidogrel Hydrochloride (Mixture of diastereomers)
- CAS:109904-27-0
- MF:C16H16ClNO3S
- Structure:
- Chemical Name:5-Hydroxy-6-methoxy-1-indanone
- CAS:127399-78-4
- MF:C10H10O3
- Structure:
- Chemical Name:Desfluoro Citalopram Oxalate
- CAS:1093072-86-6
- MF:C22H24N2O5
- Structure:
- Chemical Name:Didesmethyl Zolmitriptan
- CAS:139264-15-6
- MF:C14H17N3O2
- Structure:
- Chemical Name:Gabapentin Related Compound E
- CAS:67950-95-2
- MF:C9H14O4
- Structure:
- Chemical Name:Hydroxy Bosentan
- CAS:253688-60-7
- MF:C27H29N5O7S
- Structure:
- Chemical Name:Lisinopril S,S,S-Diketopiperazine
- CAS:328385-86-0
- MF:C21H29N3O4
- Structure:
- Chemical Name:rac 4-Desmethoxy-4-nitro Omeprazole
- CAS:317807-10-6
- MF:C16H16N4O4S
- Structure:
- Chemical Name:trans 1-Benzyl-4-(4-fluorophenyl)-3-piperidinemethanol
- CAS:201855-60-9
- MF:C19H22FNO
- Structure:
- Chemical Name:ETHYL 7-CHLORO-1-ETHYL-6-FLUORO-1,4-DIHYDRO-4-OXO-QUINOLINE-5-CARBOXYLATE
- CAS:70458-94-5
- MF:C14H13ClFNO3
- Structure:
- Chemical Name:(41S,12S,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylic acid
- CAS:59413-21-7
- MF:C20H25N2NaO3
- Structure:
- Chemical Name:BDJS-SH 1
- CAS:36588-45-1
- MF:C12H18N2O2
- Chemical Name:Acyclovir Impurity O
- CAS:
- MF:
- Chemical Name:Alogliptin Impurity 19
- CAS:
- MF:
- Chemical Name:Alogliptin Impurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:Aprepitant Impurity 17
- CAS:1333998-27-8
- MF:C20H19ClF7NO2
- Chemical Name:Blonanserin impurity A
- CAS:
- MF:
- Chemical Name:Captopril impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Ciprofloxacin Impurity D HCl
- CAS:526204-10-4
- MF:C17H18FN3O3
- Chemical Name:Clindamycin Impurity 6
- CAS:
- MF:
- Chemical Name:Dabigatran Impurity 5
- CAS:
- MF:
- Chemical Name:DecitaBine Impurity 10
- CAS:
- MF:
- Structure:
- Chemical Name:Empagliflozin Impurity 17
- CAS:2452301-27-6
- MF:C23H28O7
- Chemical Name:Erlotinib Impurity 31
- CAS:
- MF:
- Chemical Name:Everolimus impurity C
- CAS:
- MF:
- Chemical Name:Ezetimibe Impurity 28
- CAS:
- MF:
- Chemical Name:FeBuxostat Impurity 30
- CAS:
- MF:
- Structure:
- Chemical Name:Fluconazole Impurity 5
- CAS:94952-36-0
- MF:C14H14F2N6O
- Chemical Name:Fosaprepitant Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Imidafenacin Impurity 4
- CAS:503598-78-5
- MF:C16H18N2O
- Chemical Name:Intedanib Impurity H
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 16
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:Lenvatinib Impurity 4
- CAS:
- MF:C28H22ClN5O5
- Chemical Name:Linagliptin Impurity 45
- CAS:
- MF:
- Chemical Name:MiraBegron Impurity F
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:Moxifloxacin Impurity 34
- CAS:1824286-08-9
- MF:C9H7ClF2O3
- Structure:
- Chemical Name:Nifedipine Impurity J
- CAS:114709-68-1
- MF:C16H17N3O5
- Structure:
- Chemical Name:Oxiracetam Impurity I
- CAS:142274-07-5
- MF:C7H9NO4
- Chemical Name:PalBociclib Impurity 4
- CAS:
- MF: