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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Fosfomycin Trometamol EP Impurity D
- CAS:1262243-12-8
- MF:C10H25NO11P2
- Chemical Name:Isavuconazole Impurity 17
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 5
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 21
- CAS:
- MF:
- Structure:
- Chemical Name:Mupirocin EP Impurity A
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Nifendipine Impurity G
- CAS:74378-10-2
- MF:C15H14N2O6
- Chemical Name:Olaparib Impurity 5
- CAS:
- MF:
- Chemical Name:Plerixafor Impurity 5
- CAS:
- MF:
- Chemical Name:Posaconazole Impurity 30
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 35
- CAS:1370190-85-4
- MF:C14H13F2N3O
- Structure:
- Chemical Name:Posaconazole Impurity 51
- CAS:357189-94-7
- MF:C37H40F2N8O5
- Chemical Name:Posaconazole Impurity 59
- CAS:
- MF:
- Structure:
- Chemical Name:Ramosetron Impurity 13
- CAS:183613-77-6
- MF:C17H13N3O
- Chemical Name:Sitafloxacin Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Sitagliptin Impurity 10
- CAS:1253056-01-7
- MF:C16H14F6N4O2
- Chemical Name:SofosBuvir Impurity 18
- CAS:
- MF:
- Chemical Name:sofosBuvir Impurity 35
- CAS:
- MF:
- Chemical Name:SofosBuvir Impurity 51
- CAS:
- MF:
- Chemical Name:SofosBuvir Impurity 58
- CAS:
- MF:
- Chemical Name:Sulbactam EP Impurity G
- CAS:
- MF:
- Chemical Name:Ticagrelor impurity 21
- CAS:
- MF:
- Structure:
- Chemical Name:Tirofiban Impurity 13
- CAS:
- MF:C27H45N3O3
- Chemical Name:Tofacitinib impurity U
- CAS:
- MF:
- Structure:
- Chemical Name:Vortioxetine impurity S
- CAS:1815608-51-5
- MF:C18H22N2S
- Structure:
- Chemical Name:Linagliptin N-Acetyl Impurity
- CAS:1803079-49-3
- MF:C27H30N8O3
- Structure:
- Chemical Name:(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid
- CAS:474668-76-3
- MF:C19H16N2O4
- Structure:
- Chemical Name:Lidocaine Impurity
- CAS:70336-49-1
- MF:C20H22N2O2
- Structure:
- Chemical Name:(E)-2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide
- CAS:214782-56-6
- MF:C12H9F3N2O2
- Structure:
- Chemical Name:Amoxicillin Impurity O
- CAS:
- MF:C16H19N3O5S
- Chemical Name:Ampicillin Impurity R
- CAS:
- MF:
- Chemical Name:Spectinomycin Impurity C
- CAS:
- MF:
- Chemical Name:Amifostine Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Brexpiprazole Impurity
- CAS:2138169-93-2
- MF:C41H47N5O2S2
- Chemical Name:Cefoxitin impurity EF
- CAS:
- MF:
- Structure:
- Chemical Name:Tenofovir Impurity 38
- CAS:161760-09-4
- MF:C8H11O6PS
- Structure:
- Chemical Name:N-(4-methyl-3-(3-(4-((4-methylpiperazin-1-yl)methyl)benzoyl)guanidino)phenyl)-4-(4-methylpiperazin-1-yl)benzamide
- CAS:
- MF:C33H42N8O2
- Structure:
- Chemical Name:Apremilast
- CAS:1384440-16-7
- MF:C19H20N2O6S
- Structure:
- Chemical Name:XMUJPIDSOJTMMS-VTBMCCKRSA-N
- CAS:212505-49-2
- MF:C21H30O3
- Structure:
- Chemical Name:XLMHAABXFLIUNQ-UHFFFAOYSA-N
- CAS:368451-15-4
- MF:C24H26O3
- Structure:
- Chemical Name:NMEICKDXQPVPKK-UHFFFAOYSA-N
- CAS:120244-82-8
- MF:C16H19ClN2O
- Structure:
- Chemical Name:4-Methylpiperazine-1-carbonyl chloride
- CAS:39539-66-7
- MF:C6H11ClN2O
- Structure:
- Chemical Name:Epoxy Exemestane (6-Beta Isomer)
- CAS:152764-31-3
- MF:C20H24O3
- Structure:
- Chemical Name:AFTMPFJWAIDLME-QWHCGFSZSA-N
- CAS:1808087-53-7
- MF:C15H19N3O3S
- Structure:
- Chemical Name:6-Cyclopropyl-10-fluorobenzo[k]phenanthridine
- CAS:1187966-95-5
- MF:C20H14FN
- Structure:
- Chemical Name:4-[2-fluoro-4-[2-(methylcarbamoyl)pyridin-4-yl]oxyanilino]-N-methylpyridine-2-carboxamide
- CAS:1855006-12-0
- MF:C20H18FN5O3
- Structure:
- Chemical Name:2,2'-((piperazine-1,4-disulfonyl)bis(2-ethoxy-5,1-phenylene))bis(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one)
- CAS:1255919-03-9
- MF:C38H46N10O8S2
- Chemical Name:Bortezomib Impurity P
- CAS:
- MF:
- Chemical Name:Esmolol impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:(5-(4-fluorophenyl)thiophen-2-yl)(5-iodo-2-methylphenyl)methanol
- CAS:1818268-45-9
- MF:C18H14FIOS
- Structure:
- Chemical Name:2-propyl-1H-indene-1,3(2H)-dione
- CAS:14570-43-5
- MF:C12H12O2
- Structure:
- Chemical Name:GLORIOSINE
- CAS:7411-12-3
- MF:C21H23NO6
- 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
- Chemical Name:Pidotimod Impurity N
- CAS:
- MF:
- 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:
- Chemical Name:Tenofovir Impurity 55
- CAS:
- MF:
- 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