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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Bisacodyl Related Compound E (20 mg) (2-[(4-Acetoxyphenyl)(pyridin-2-yl)methyl]phenyl acetate)
- CAS:111664-35-8
- MF:C22H19NO4
- Structure:
- Chemical Name:Deferasirox Salicyloyl Ester
- CAS:1395346-28-7
- MF:C28H19N3O6
- Structure:
- Chemical Name:N-2-Hydroxy-3-[[2-(Methoxyphenoxy)ethyl]aMine Carvedilol
- CAS:1198090-73-1
- MF:C36H43N3O7
- Chemical Name:Ticagrelor IMpurity B
- CAS:
- MF:
- Structure:
- Chemical Name:AtracuriuM IMpurity V
- CAS:1075726-86-1
- MF:C25H34INO6
- Chemical Name:Avanafil iMpurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:CitalopraM carboxylic acid iMpurity
- CAS:440121-09-5
- MF:C20H22FNO3
- Structure:
- Chemical Name:Decitabine iMpurity 6
- CAS:178671-74-4
- MF:C7H14N4O4
- Structure:
- Chemical Name:DiazepaM IMpurity E
- CAS:20927-53-1
- MF:C15H11ClN2O
- Structure:
- Chemical Name:ErtapeneM Side Chain EnantioMer 2 HCl
- CAS:503607-49-6
- MF:C12H15ClN2O3S
- Structure:
- Chemical Name:MetaMizole IMpurity C (4-MethylaMinoantipyrine) HCl
- CAS:856307-27-2
- MF:C12H16ClN3O
- Chemical Name:Ribavirin IMpurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Ethanone, 1-(2,5-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)- 1-(2,5-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone,1-(2,5-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone
- CAS:1157938-97-0
- MF:C10H7F2N3O
- Structure:
- Chemical Name:3-Fluoro-4-phenylphenol
- CAS:477860-13-2
- MF:C12H9FO
- Structure:
- Chemical Name:Heptyl Deoctyl FingoliMod Hydrochloride
- CAS:162361-44-6
- MF:C18H32ClNO2
- Structure:
- Chemical Name:4-Methoxy-3,5-diMethylpyridine 1-Oxide
- CAS:91219-89-5
- MF:C8H11NO2
- Structure:
- Chemical Name:N-Ethyl-3-buteno-o-toluidide
- CAS:13936-71-5
- MF:C13H17NO
- Structure:
- Chemical Name:Pramipexole Impurity 21
- CAS:104617-86-9
- MF:C10H17N3S
- Structure:
- Chemical Name:Tigecycline Pentacyclic Analog
- CAS:1268494-40-1
- MF:C27H32N4O9
- Structure:
- Chemical Name:Tigecycline (open C-ring D-ring) Quinone
- CAS:1268494-46-7
- MF:C26H32N4O8
- Structure:
- Chemical Name:5-Chloro AcesulfaMe
- CAS:72827-08-8
- MF:C4H4ClNO4S
- Chemical Name:Pazopanib iMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:Acetic acid, 2-[2-[2-[4-[(4- chlorophenyl)phenylMethyl]-1-piperazinyl]ethoxy]ethoxy]-
- CAS:682323-77-9
- MF:C23H29ClN2O4
- Structure:
- Chemical Name:Labetalone hydrochloride
- CAS:96441-14-4
- MF:C19H22N2O3.ClH
- Structure:
- Chemical Name:6-amino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)- 7,9-dimethyl-7,9-dihydro-8H-purin-8-one
- CAS:1361569-23-4
- MF:C20H17FN8O
- Structure:
- Chemical Name:5-(1-amino-2-(methylsulfonyl)ethyl)-2-methoxyphenol
- CAS:2169153-70-0
- MF:C10H15NO4S
- Chemical Name:Bendamustine Impurity 14
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 28
- CAS:
- MF:
- Structure:
- Chemical Name:Edoxaban Impurity 24 (1S,2S,4R)
- CAS:2024614-21-7
- MF:C21H30ClN5O5
- Structure:
- Chemical Name:Edoxaban Impurity 39
- CAS:2081883-55-6
- MF:C14H27N3O3
- Structure:
- Chemical Name:Ezetimibe Impurity 34
- CAS:2280081-69-6
- MF:C20H21NO4
- Structure:
- Chemical Name:Linagliptin Impurity 33
- CAS:2443735-53-1
- MF:C38H42N10O4
- Structure:
- Chemical Name:Milrinone Impurity 15
- CAS:156033-07-7
- MF:C12H9N3O2
- Chemical Name:Milrinone Impurity 6
- CAS:
- MF:
- Chemical Name:Pantoprazole Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:rac-Valsartan EP Impurity B
- CAS:1894176-44-3
- MF:C31H35N5O3
- Chemical Name:Sitafloxacin Dechloro Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Ticagrelor Related Compound 85
- CAS:1628340-74-8
- MF:C28H34F2N6O5S
- Structure:
- Chemical Name:Valsartan Impurity 12
- CAS:1189547-11-2
- MF:C11H21NO3
- Chemical Name:Vonoprazan Impurity 17
- CAS:
- MF:
- Chemical Name:Avibactam Impurity B
- CAS:
- MF:
- Chemical Name:Brexpiprazole Impurity L
- CAS:
- MF:
- Chemical Name:Cefaclor Impurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:Linagliptin Impurity 38
- CAS:1979144-52-9
- MF:C20H17ClN6O2
- Structure:
- Chemical Name:Pidotimod Impurity N
- CAS:1538596-97-2
- MF:C15H23N5O2S
- Chemical Name:Pitavastatin (3S,5S)-Isomer Ethyl Ester
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity 3
- CAS:
- MF:
- Chemical Name:Rupatadine Impurity A
- CAS:
- MF:
- Chemical Name:Sulpiride Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Tenofovir Impurity 55
- CAS:1244422-52-3
- MF:C17H12Cl3NO3
- Chemical Name:Voriconazole Impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:Atorvastatin Impurity F
- CAS:1371615-56-3
- MF:C66H68CaF2N4O10
- Structure:
- Chemical Name:Ambroxol Impurity 8(Ambroxol Impurity M)
- CAS:1445719-53-8
- MF:C13H16Br2N2O
- Chemical Name:Cefdinir impurity PQ mixture
- CAS:
- MF:
- Structure:
- Chemical Name:Loratadine Impurity 16
- CAS:
- MF:C22H23ClN2O2
- Structure:
- Chemical Name:Meptazinol BP Impurity D
- CAS:1883577-02-3
- MF:C30H44N2O
- Chemical Name:Prasugrel Impurity 12
- CAS:
- MF:
- Chemical Name:Pregabalin Impurity 16
- CAS:
- MF:
- Chemical Name:Nintedanib Impurity 26
- CAS:
- MF:
- Structure:
- Chemical Name:(3R,4R)-N,1,4-trimethyl-N-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}piperidin-3-amine
- CAS:2227197-38-6
- MF:C14H21N5
- Chemical Name:Varenicline Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:Amlodipine Impurity 27 Disodium Salt
- CAS:120289-11-4
- MF:C19H20ClNO7
- Chemical Name:Erlotinib Impurity 47 HCl
- CAS:
- MF:
- Chemical Name:Etoricoxib Impurity 33
- CAS:
- MF:
- Structure:
- Chemical Name:2,2-dichloro-N-(2,3-dimethylphenyl)acetamide
- CAS:18823-63-7
- MF:C10H11Cl2NO
- Structure:
- Chemical Name:2-(1-HydroxyCyclohexyl)-2-(4-MethoxyPhenyl)Acetonitrile
- CAS:93413-76-4
- MF:C15H19NO2
- Structure:
- Chemical Name:7-Hydroxy Alosetron
- CAS:863485-44-3
- MF:C17H18N4O2
- Structure:
- Chemical Name:Dolutegravir 2-Desfluoro Impurity
- CAS:1863916-88-4
- MF:C20H20FN3O5
- Structure:
- Chemical Name:Moxifloxacin Impurity 46
- CAS:1932499-97-2
- MF:C8H16N2
- Structure:
- Chemical Name:Posaconazole Impurity 43
- CAS:1428118-40-4
- MF:C13H20N2O2
- Structure:
- Chemical Name:Empagliflozin Impurity 32
- CAS:1620758-25-9
- MF:C24H29ClO8
- Structure:
- Chemical Name:Sugammadex Impurity 16
- CAS:2412952-97-5
- MF:C69H108BrNaO46S7
- Structure:
- Chemical Name:1,1'-(1,4,8,11-tetraazacyclotetradecane-1,11-diyl)bis(2,2,2- trifluoroethan-1-one) dihydrochloride
- CAS:
- MF:C14H24Cl2F6N4O2
- Structure:
- Chemical Name:9-fluoro-6,7-dihydro-5-methyl-1-oxo-8-(4-oxo-1,2,3,4-tetrahydro-1-pyridyl)-1H,5H-benzo[i,j]quinolizine-2-carboxylic acid
- CAS:130539-72-9
- MF:C19H17FN2O4
- Structure:
- Chemical Name:Clopidogrel
- CAS:444728-15-8
- MF:C15H15ClN2OS
- Structure:
- Chemical Name:(3R,5S)-5-((S)-8-fluoro-4-isopropyl-2-(N-methylmethyl sulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5- dihydroxypentanoate calcium(II)
- CAS:854898-50-3
- MF:C44H54CaF2N6O12S2
- Structure:
- Chemical Name:Arbidol Impurity I
- CAS:153633-10-4
- MF:C22H24Br2N2O3S
- Structure:
- Chemical Name:Palonosetron Impurity 9
- CAS:2216755-75-6
- MF:C18H24N2O
- Chemical Name:Zopiclone Impurity 12
- CAS:
- MF:
- Chemical Name:Selexipag impurity
- CAS:
- MF:
- Structure:
- Chemical Name:2-(3-formyl-4-isobutoxyphenyl)-N,N,4-trimethylthiazole- 5-carboxamide
- CAS:1380049-42-2
- MF:C18H22N2O3S
- Chemical Name:Benidipine Impurity V
- CAS:
- MF:
- Chemical Name:Cefazolin USP Impurity L-△2
- CAS:
- MF:
- Structure:
- Chemical Name:Fluconazole Impurity M
- CAS:
- MF:C13H12F2N6O
- Chemical Name:Nicorandil Impurity 14
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 64
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 71
- CAS:
- MF:
- Structure:
- Chemical Name:Tolterodine EP Impurity G
- CAS:1554029-91-2
- MF:C22H32NO2+
- Structure:
- Chemical Name:Topiroxostat Impurity 23
- CAS:2044706-78-5
- MF:C20H12N10
- Structure:
- Chemical Name:Saxagliptin Impurity 34
- CAS:2173146-31-9
- MF:C17H25NO5
- Chemical Name:Afatinib Impurity 25
- CAS:
- MF:
- Chemical Name:Bendamustine Impurity 34
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 29
- CAS:
- MF:
- Structure:
- Chemical Name:Cefazolin Impurity 6
- CAS:66636-33-7
- MF:C14H20N4O3S3Si
- Structure:
- Chemical Name:Ciprofloxacin Impurity 5
- CAS:
- MF:C17H18FN3O3
- Structure:
- Chemical Name:Erlotinib Impurity 53
- CAS:749181-30-4
- MF:C21H25N3O4
- Structure:
- Chemical Name:Etoposide Impurity 4
- CAS:101648-60-6
- MF:C35H32Cl6O16
- Structure:
- Chemical Name:Olaparib Impurity 25
- CAS:1423030-11-8
- MF:C16H9FO4
- Chemical Name:Olaparib Impurity 32
- CAS:
- MF:
- Structure:
- Chemical Name:Oseltamivir Impurity 23
- CAS:2241125-39-1
- MF:C9H16N2O3