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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:(3R)-Nmethyl-3-(3-methylphenoxy)-3-phenylpropan-1-amine
- CAS:1643684-05-2
- MF:C17H22ClNO
- Chemical Name:Caspofungin Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Erythromycin Impurity 3
- CAS:1357466-70-6
- MF:C38H69N3O13S
- Chemical Name:Itraconazole iMpurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Ribavirin API Impurity O
- CAS:799-87-1
- MF:C13H11N2O8P
- Chemical Name:Aprepitant Impurity 14
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 16
- CAS:
- MF:
- Chemical Name:Decitabine Impurity 7
- CAS:
- MF:
- Chemical Name:Fosaprepitant Impurity 6
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 6
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 13
- CAS:
- MF:
- Chemical Name:Topiroxostat Impurity 4
- CAS:
- MF:
- Chemical Name:Bosutinib Impurity 8
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 13
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 66
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 8
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 16
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 12
- CAS:
- MF:
- Chemical Name:edaravone iMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:(2R,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)Methyl)-4-Methylphenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol
- CAS:
- MF:C24H25FO5S
- Structure:
- Chemical Name:Androst-16-en-3-ol, 17-(3-pyridinyl)-, acetate (ester),(3β,5α)-
- CAS:219843-76-2
- MF:C26H35NO2
- Structure:
- Chemical Name:5-(4-fluorophenyl)-1H-pyrrole-3-carbaldehyde
- CAS:
- MF:C11H8FNO
- Structure:
- Chemical Name:Ganciclovir EP Impurity H
- CAS:84222-50-4
- MF:C9H13N5O4
- Structure:
- Chemical Name:2-[4-[(1E)-1,2-Diphenylethenyl]phenoxy]-N,N-dimethylethanamine
- CAS:97151-10-5
- MF:C24H25NO
- Structure:
- Chemical Name:(1R,3S)-(3-Aminocyclopentyl) methanol
- CAS:117957-62-7
- MF:C6H13NO
- Structure:
- Chemical Name:2-[[6-[(3R)-3-tert-butoxycarbonylamino-1-piperidinyl]-3,4-dihydro-2,4-dioxo-3-methyl-1(2H)-pyrimidinyl]methyl]benzonitrile
- CAS:1246610-74-1
- MF:C23H29N5O4
- Chemical Name:Canagliflozin Impurity 12
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity G
- CAS:
- MF:
- Chemical Name:Dolutegravir Impurity 1
- CAS:
- MF:
- Chemical Name:Empagliflozin impurity F
- CAS:
- MF:
- Chemical Name:Ibrutinib Impurity 12
- CAS:
- MF:
- Structure:
- Chemical Name:Nintedanib impurity J
- CAS:1139457-10-5
- MF:C23H17N3O5
- Structure:
- Chemical Name:DSKNHVUKATXSCQ-GDVCOKDOSA-N
- CAS:188915-50-6
- MF:C14H14ClN3O4S
- Structure:
- Chemical Name:Clarthromycin EP Impurity B
- CAS:299409-85-1
- MF:C37H67NO13
- Structure:
- Chemical Name:(4-Chloro-3-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester
- CAS:352277-93-1
- MF:C12H13ClF3NO2
- Chemical Name:Brexpiprazole Impurity 15
- CAS:
- MF:
- Structure:
- Chemical Name:Edoxaban Impurity 16
- CAS:480450-69-9
- MF:C14H25N5O3
- Chemical Name:Rivaroxaban Impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:Ticagrelor
- CAS:1265919-24-1
- MF:C12H21NO5
- Structure:
- Chemical Name:Clindamycin (2R-cis)-Diastereomer
- CAS:1440605-46-8
- MF:C18H33ClN2O5S
- Structure:
- Chemical Name:Genistein 7,4'-di-O-β-D-glucopyranoside
- CAS:36190-98-4
- MF:C27H30O15
- Chemical Name:Aprepitant Impurity 3
- CAS:
- MF:
- Chemical Name:Cabozantinib Impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:Cefmetazole sodium Impurity 7
- CAS:60638-57-5
- MF:C11H14N6O4S2
- Chemical Name:Tadalafil EP Impurity I
- CAS:
- MF:
- Structure:
- Chemical Name:1,4'-Bipiperidine, 1'-(phenylmethyl)-
- CAS:116269-53-5
- MF:C17H26N2
- Structure:
- Chemical Name:[2-(4-Methoxyphenyl)-1-methylethyl]-formamide
- CAS:126002-14-0
- MF:C11H15NO2
- Chemical Name:Oseltamivir Impurity 32
- CAS:
- MF:
- Chemical Name:Riociguat IMpurtiy E
- CAS:
- MF:
- Structure:
- Chemical Name:Meropenem impurity diastereomer 2
- CAS:96035-15-3
- MF:C15H19N3O5S
- Chemical Name:Clindamycin Impurity A
- CAS:
- MF:
- Chemical Name:Tigecycline Impurity F
- CAS:
- MF:
- Chemical Name:Fasudil iMpurity A
- CAS:
- MF:
- Chemical Name:Cefminox Impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:[S-(R*,R*)]-3,3'-Dithiobis[2-methylpropanoic acid]
- CAS:65134-74-9
- MF:C8H14O4S2
- Structure:
- Chemical Name:(E)-1-(4-(2-Methyl-10H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-yl)ethanone
- CAS:935272-10-9
- MF:C18H20N4OS
- Structure:
- Chemical Name:2-(thiophen-3-yl)ethyl 4-methylbenzenesulfonate
- CAS:40412-09-7
- MF:C13H14O3S2
- Structure:
- Chemical Name:4-Nitrophenyl 5-chlorothiophene-2-carboxylate
- CAS:1450877-56-1
- MF:C11H6ClNO4S
- Chemical Name:Olaparib iMpurity B
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole iMpurity 6
- CAS:2185472-85-7
- MF:C30H35N5O3
- Chemical Name:Everolimus Isomer C
- CAS:
- MF:
- Structure:
- Chemical Name:3-Deschloro-4-Desfluoro-4-Chloro-3-Fluorogefitinib
- CAS:1603814-04-5
- MF:C22H24ClFN4O3
- Structure:
- Chemical Name:Brivaracetam (Racemate)
- CAS:357335-87-6
- MF:C11H20N2O2
- Structure:
- Chemical Name:Donepezil Impurity 2
- CAS:36517-91-6
- MF:C11H10O4
- Structure:
- Chemical Name:Fesoterodine Related Impurity 2
- CAS:1254942-29-4
- MF:C30H39NO6
- Structure:
- Chemical Name:Prasugrel Impurity 13 HCl
- CAS:1618108-01-2
- MF:C18H19ClFNOS
- Structure:
- Chemical Name:Ticagrelor Related Compound 5
- CAS:1414348-35-8
- MF:C9H9F2N
- Structure:
- Chemical Name:Vortioxetine Impurity 2
- CAS:1293489-69-6
- MF:C17H20N2S
- Structure:
- Chemical Name:Chrysin 6-C-arabinoside 8-C-glucoside
- CAS:185145-33-9
- MF:C26H28O13
- Structure:
- Chemical Name:Meloside A
- CAS:60767-80-8
- MF:C27H30O15
- Structure:
- Chemical Name:(S)-2-(2-(5-chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-2-carboxamido)ethoxy)acetic acid
- CAS:1151893-81-0
- MF:C24H21Cl2N3O7S2
- Structure:
- Chemical Name:Cilastatin ammonium salt
- CAS:877674-82-3
- MF:C16H29N3O5S
- Structure:
- Chemical Name:ACETIC ACID 2-METHOXY-4-(5-OXO-2-PHENYL-OXAZOL-4-YLIDENEMETHYL)-PHENYL ESTER
- CAS:18692-68-7
- MF:C19H15NO5
- Structure:
- Chemical Name:1,4-di(benzo[b]thiophen-4-yl)piperazine
- CAS:1420987-86-5
- MF:C20H18N2S2
- Structure:
- Chemical Name:Benzene, 1-chloro-2-(dimethoxymethyl)-
- CAS:70380-66-4
- MF:C9H11ClO2
- Structure:
- Chemical Name:(R)-1-chloro-3-{[(4-chlorophenyl)methylene]amino}propan-2-ol
- CAS:1450915-93-1
- MF:C10H11Cl2NO
- Structure:
- Chemical Name:3-(trifluoromethyl)-6,7-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8(5H)-one
- CAS:877402-45-4
- MF:C6H5F3N4O
- Structure:
- Chemical Name:4-((5,6-dimethoxy-1H-inden-2-yl)methyl)piperidine
- CAS:1026443-48-0
- MF:C17H23NO2
- Structure:
- Chemical Name:epipinoresinol-4'-O-β-D-glucoside
- CAS:24404-49-7
- MF:C26H32O11
- Structure:
- Chemical Name:Celecoxib Impurity
- CAS:170570-09-9
- MF:C18H16F3N3O2S
- Structure:
- Chemical Name:Indacaterol Impurity 7
- CAS:1403389-05-8
- MF:C24H30N2O3
- Structure:
- Chemical Name:tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate
- CAS:1883672-48-7
- MF:C29H38ClN7O4
- Structure:
- Chemical Name:1-cyclopropyl-7-fluoro-6,8-dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
- CAS:
- MF:C15H14FNO5
- Structure:
- Chemical Name:cis-cyclo(Pro-Pro)
- CAS:19943-27-2
- MF:C10H14N2O2
- Structure:
- Chemical Name:Ropivacaine-cycle
- CAS:1945965-95-6
- MF:C17H24N2O
- Structure:
- Chemical Name:4-(5-methyl-4-phenylisoxazol-3-yl)benzenesulfonamide
- CAS:181696-12-8
- MF:C16H14N2O3S
- Structure:
- Chemical Name:Bupivacaine Impurity
- CAS:2125995-27-7
- MF:C18H28N2O.ClH
- Structure:
- Chemical Name:Brexpiprazole Impurity
- CAS:2059954-32-2
- MF:C17H21Cl2NO2
- Structure:
- Chemical Name:BDJS-SH 2
- CAS:36585-31-6
- MF:C12H18N2O2
- Chemical Name:Acyclovir Impurity Q
- CAS:
- MF:
- Structure:
- Chemical Name:Ampicillin EP Impurity M
- CAS:114977-84-3
- MF:C48H57N9O12S3
- Structure:
- Chemical Name:Aprepitant Impurity 12
- CAS:172673-23-3
- MF:C23H21F7N4O4
- Chemical Name:Aprepitant Impurity 18
- CAS:
- MF:
- Chemical Name:Blonanserin impurity D
- CAS:
- MF:
- Chemical Name:Captopril impurity 3
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity 18
- CAS:
- MF:
- Chemical Name:Empagliflozin Impurity 24
- CAS:
- MF:
- Chemical Name:FeBuxostat impurity 31
- CAS:
- MF:
- Structure:
- Chemical Name:Formoterol Fumarate Dihydrate EP Impurity I
- CAS:532414-36-1
- MF:C19H24N2O4
- Chemical Name:Fosaprepitant Impurity 3
- CAS:
- MF: