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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Bilastine N-Oxide
- CAS:2069238-47-5
- MF:C28H37N3O4
- Chemical Name:Cefoxitin impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:Tenofovir Disoproxil Fumarate impurity N
- CAS:1962114-92-6
- MF:C29H44N10O14P2
- Structure:
- Chemical Name:Prednisolone Impurity 7
- CAS:61549-70-0
- MF:C21H26O6
- Structure:
- Chemical Name:Tenofovir Related Compound 10
- CAS:16958-60-4
- MF:C8H11N5O
- Structure:
- Chemical Name:N-(4-methyl-3-(N-(4-(pyridin-3-yl)pyrimidin-2-yl)acetamido)phenyl)-4-((4-methylpiperazin-1-yl)methyl)benzamide
- CAS:
- MF:C31H33N7O2
- Structure:
- Chemical Name:N1-benzyl-N1,4-dimethyl-N3-(4-(pyridin-3-yl)pyrimidin-2-yl)benzene-1,3-diamine
- CAS:
- MF:C24H23N5
- Structure:
- Chemical Name:(E)-4-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3- yl)methyl)(methyl)amino)-4-oxobut-2-enoic acid
- CAS:
- MF:C21H18FN3O5S
- Structure:
- Chemical Name:Apremilast
- CAS:1384439-80-8
- MF:C17H16N2O6S
- Structure:
- Chemical Name:TROXACITABINE
- CAS:145511-98-4
- MF:C8H11N3O4
- Structure:
- Chemical Name:XXZJUZXKBFUPQH-IKGGRYGDSA-N
- CAS:1618657-31-0
- MF:C18H17FO4
- Structure:
- Chemical Name:6-methyl-2-oxo-5-pyridin-2-yl-1H-pyridine-3-carbonitrile
- CAS:106637-42-7
- MF:C12H9N3O
- Structure:
- Chemical Name:Levofloxacin Impurity 15
- CAS:94714-58-6
- MF:C14H12F4O4
- Structure:
- Chemical Name:Losartan Impurity 2
- CAS:1407521-00-9
- MF:C22H20ClN3O
- Structure:
- Chemical Name:Epoxy Exemestane (6-Alfa Isomer)
- CAS:152764-24-4
- MF:C20H24O3
- Structure:
- Chemical Name:6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridine
- CAS:1187966-94-4
- MF:C20H16FN
- Structure:
- Chemical Name:2-methoxy-1,7,9-trimethylpurine-6,8-dione
- CAS:51168-26-4
- MF:C9H12N4O3
- Structure:
- Chemical Name:2-CHLORO-N-(2,5-DIMETHYLPHENYL)ACETAMIDE
- CAS:5177-35-5
- MF:C10H12ClNO
- Structure:
- Chemical Name:(1R)-2-chloro-1-(3,4-difluorophenyl)-1-ethanol
- CAS:1212376-05-0
- MF:C8H7ClF2O
- Structure:
- Chemical Name:2-[[(3aR,4S,6R,6aS)-6-[7-Chloro-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]-ethanol
- CAS:376608-75-2
- MF:C17H24ClN5O4S
- Structure:
- Chemical Name:Fluconazole IMpurity F
- CAS:
- MF:C13H12F2N6O
- Structure:
- Chemical Name:Erlotinib IMpurity A
- CAS:1058132-82-3
- MF:C22H25N3O4
- Chemical Name:Apixaban iMpurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:cefaclor iMpurity C
- CAS:143059-69-2
- MF:C15H14ClN3O4S
- Chemical Name:ceftazidiMe iMpurity B
- CAS:1236700-64-3
- MF:
- Chemical Name:AlviMopan iMpurity
- CAS:
- MF:
- Chemical Name:Caspofungin iMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:Saxagliptin iMpurity
- CAS:2173146-35-3
- MF:C18H24ClN3O2
- Structure:
- Chemical Name:Chlorocriptine
- CAS:68944-88-7
- MF:C32H40ClN5O5
- Structure:
- Chemical Name:PD 312237
- CAS:501666-23-5
- MF:C20H35NO11
- Structure:
- Chemical Name:(1R,5S,6S)-rel-5-(1-Ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic Acid Methyl Ester
- CAS:1234858-94-6
- MF:C13H20O4
- Structure:
- Chemical Name:2-(DiethylaMino)-N-(2,3-diMethylphenyl)acetaMide Hydrochloride
- CAS:857170-72-0
- MF:C14H23ClN2O
- Structure:
- Chemical Name:4-Hydroxy Darunavir
- CAS:313682-97-2
- MF:C27H37N3O8S
- Structure:
- Chemical Name:Deschloroaripiprazole
- CAS:203395-81-7
- MF:C23H28ClN3O2
- Structure:
- Chemical Name:O-[(Guanin-9-yl)Methyl] Acyclovir
- CAS:166762-90-9
- MF:C14H16N10O4
- Structure:
- Chemical Name:3-(4-Carboethoxy)phenyl propanal
- CAS:151864-81-2
- MF:C12H14O3
- Structure:
- Chemical Name:(2,6-Xylyloxy)acetyl Lopinavir
- CAS:943250-65-5
- MF:C47H58N4O7
- Structure:
- Chemical Name:(S)-IsotiMolol (TiMolol IMpurity B)
- CAS:158636-96-5
- MF:C13H24N4O3S
- Chemical Name:Afatinib IMpurity A
- CAS:
- MF:
- Chemical Name:Afatinib IMpurity G
- CAS:
- MF:
- Chemical Name:Articaine IMpurity F (Articaine Acid PropionaMide HCl)
- CAS:
- MF:
- Structure:
- Chemical Name:Avanafil iMpurity 4
- CAS:874482-97-0
- MF:C8H11Cl2NO
- Structure:
- Chemical Name:Clopidogrel IMpurity 4
- CAS:801319-16-4
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:Dehydro Azelnidipine
- CAS:918659-10-6
- MF:C33H32N4O6
- Structure:
- Chemical Name:DiazepaM IMpurity F
- CAS:31269-33-7
- MF:C16H13ClN2O
- Chemical Name:LaMotrigine IMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole DiastereoisoMer interMediate 5
- CAS:149809-42-7
- MF:C21H21F2N3O4S
- Structure:
- Chemical Name:Prasugrel alpha-Hydroxy IMpurity
- CAS:1100905-45-0
- MF:C11H11FO2
- Structure:
- Chemical Name:Solifenacin Related CoMpound 2 Succinate
- CAS:1262506-09-1
- MF:C27H32N2O6
- Structure:
- Chemical Name:Tetrahydro FuroseMide
- CAS:4793-38-8
- MF:C12H15ClN2O5S
- Structure:
- Chemical Name:6-O-DesMethoxyethyl-6-O-chloroethyl Erlotinib Hydrochloride
- CAS:183320-04-9
- MF:C21H21Cl2N3O3
- Structure:
- Chemical Name:Macitentan IMpurity
- CAS:556796-88-4
- MF:C17H15Br2N5O4S
- Structure:
- Chemical Name:4-((4-broMophenyl)(1H-1,2,4-triazol-1-yl)Methyl)benzonitrile
- CAS:143030-54-0
- MF:C16H11BrN4
- Structure:
- Chemical Name:Acetic acid, 2-[2-[4-(diphenylMethyl)-1-piperazinyl]ethoxy]-
- CAS:83881-53-2
- MF:C21H26N2O3
- Structure:
- Chemical Name:ethylmethylglycinexylidide
- CAS:74634-66-5
- MF:C13H20N2O
- Structure:
- Chemical Name:2,4'-Diamino[sulfonylbisbenzene]
- CAS:27147-69-9
- MF:C12H12N2O2S
- Structure:
- Chemical Name:2-P-TOLYLOXYMETHYL-OXIRANE
- CAS:2186-24-5
- MF:C10H12O2
- Structure:
- Chemical Name:3-Hydroxyazobenzene
- CAS:2437-11-8
- MF:
- Structure:
- Chemical Name:Astragalin 7-O-β-D-glucopyranoside
- CAS:25615-14-9
- MF:C27H30O16
- Structure:
- Chemical Name:4-(5-CHLORO-2-THIENYL)-1,3-THIAZOL-2-AMINE
- CAS:123971-45-9
- MF:C7H5ClN2S2
- Structure:
- Chemical Name:α,α-Dibromo-o-tolunitrile
- CAS:655-63-0
- MF:C8H5Br2N
- Structure:
- Chemical Name:7-CHLORO-1-ETHYL-6-FLUORO-4-OXO-1,4-DIHYDRO-[1,8]NAPHTHYRIDINE-3-CARBOXYLIC ACID
- CAS:79286-73-0
- MF:C11H8ClFN2O3
- Structure:
- Chemical Name:HYDRIDE-L
- CAS:41639-74-1
- MF:C18H22O4
- Structure:
- Chemical Name:2-Amino-4-trifluoromethoxybenzothiazole
- CAS:235101-36-7
- MF:C8H5F3N2OS
- Structure:
- Chemical Name:7-[(4S)-4-Amino-6-azaspiro[2.4]heptan-6-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid
- CAS:127254-10-8
- MF:C19H18ClF2N3O3
- Structure:
- Chemical Name:Sitagliptin Carbamoyl -D-Glucuronide
- CAS:940002-59-5
- MF:C23H23F6N5O9
- Structure:
- Chemical Name:4-PyridinecarboxaMide, N-(2,6-diMethylphenyl)-
- CAS:68280-05-7
- MF:C14H14N2O
- Structure:
- Chemical Name:4-N-Desacetyl-5-N-acetyl OseltaMivir
- CAS:956267-10-0
- MF:C16H28N2O4
- Structure:
- Chemical Name:rac N-DesMethyl-N-(4-Methoxyphenethyl) Venlafaxine
- CAS:1346601-14-6
- MF:C25H35NO3
- Structure:
- Chemical Name:11-Keto Oxcarbazepine
- CAS:537693-29-1
- MF:C15H10N2O3
- Structure:
- Chemical Name:Isopropyl 4-(3-AMinophenyl)-1,4-dihydro-5-(2-Methoxyethoxycarbonyl)-2,6-diMethylpyridine-3-carboxylate
- CAS:155861-24-8
- MF:C21H28N2O5
- Structure:
- Chemical Name:pidotiMod iMpurity D
- CAS:162148-15-4
- MF:C9H12N2O4S
- Structure:
- Chemical Name:Irinotecan Hydroxyl Acid
- CAS:142677-15-4
- MF:C22H22N2O6
- Structure:
- Chemical Name:CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)-
- CAS:1314324-00-9
- MF:C9H11ClFN
- Structure:
- Chemical Name:(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)aMino)-5-(propylsulfinyl)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol
- CAS:1644461-85-7
- MF:C23H28F2N6O5S
- Chemical Name:AtracuriuM IMpurity C (Mixture of DiastereoMers)
- CAS:86293-35-8
- MF:
- Chemical Name:AtracuriuM IMpurity E (cis-Quaternary Acid)
- CAS:
- MF:
- Chemical Name:AztreonaM IMpurity B
- CAS:
- MF:
- Chemical Name:Ceftriaxone IMpurit E
- CAS:
- MF:
- Structure:
- Chemical Name:Cetirizine IMpurity-6
- CAS:
- MF:C21H25ClN2O3
- Structure:
- Chemical Name:Cinacalcet IMpurity 10
- CAS:1809324-40-0
- MF:C29H28F3NO2S
- Chemical Name:Dasatinib IMpurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Diacerein IMpurity F
- CAS:13928-72-8
- MF:C35H36O16
- Structure:
- Chemical Name:D-Valganciclovir Hydrochloride
- CAS:1393911-57-3
- MF:C14H23ClN6O5
- Chemical Name:Entecavir IMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:EzetiMibe IMpurity 1
- CAS:190595-66-5
- MF:C24H22FNO3
- Structure:
- Chemical Name:Flurbiprofen IMpurity B
- CAS:1797883-74-9
- MF:C18H17FO4
- Chemical Name:IMatinib DiPiperidine IMpurity
- CAS:
- MF:
- Chemical Name:levocetirizine IMpurity
- CAS:
- MF:
- Chemical Name:OseltaMivir IMpurity F
- CAS:
- MF:
- Chemical Name:RocuroniuM BroMide IMpurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:S-(+)-O-DesMethyl-Venlafaxine-d6
- CAS:1062609-99-7
- MF:C16H25NO2
- Structure:
- Chemical Name:SalMeterol IMpurity F
- CAS:
- MF:C25H37NO4
- Structure:
- Chemical Name:Sitagliptin Defuoro IMpurity 4
- CAS:486459-98-7
- MF:C15H19F2NO4
- Chemical Name:Sulpiride IMpurity F
- CAS:
- MF:
- Structure:
- Chemical Name:trans-Ibuprofen IMpurity G
- CAS:1391054-15-1
- MF:C26H32O4
- Structure:
- Chemical Name:EthanediaMide iMpurity F
- CAS:480452-37-7
- MF:C16H22ClN5O3
- Chemical Name:Paroxetine IMpurity
- CAS:105813-23-8
- MF:
- Structure:
- Chemical Name:7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
- CAS:
- MF:C14H16FN3O3
- Structure:
- Chemical Name:(S)-(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate
- CAS:61616-97-5
- MF:C17H21NO3