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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:7-[4-(2-Piperidinyl)ethoxy]benzoyl Raloxifene (Raloxifene Impurity)
- CAS:1159977-58-8
- MF:C42H44N2O6S
- Structure:
- Chemical Name:rac N-Demethyl Promethazine Hydrochloride
- CAS:60113-77-1
- MF:C16H19ClN2S
- Structure:
- Chemical Name:Lincomycin B Hydrochloride
- CAS:11021-35-5
- MF:C17H33ClN2O6S
- Chemical Name:Flucloxacillin impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:1-[2-amino-1-(4-hydroxyphenyl)ethyl]cyclohexanol
- CAS:149289-29-2
- MF:C14H21NO2
- Structure:
- Chemical Name:(2E)-3-(Dimethylamino)-1-(3-pyridyl)prop-2-en-1-one
- CAS:123367-26-0
- MF:C10H12N2O
- Structure:
- Chemical Name:5-(2R)-2-Oxiranyl-8-benzyloxy-2(1H)-quinolinone
- CAS:173140-90-4
- MF:C18H15NO3
- Structure:
- Chemical Name:3-Dechloro Sertraline Hydrochloride
- CAS:79646-00-7
- MF:C17H19Cl2N
- Structure:
- Chemical Name:7-DeMethyl Ivabradine
- CAS:304462-60-0
- MF:C26H34N2O5
- Structure:
- Chemical Name:8-Dechloro-9-chloro Loratadine
- CAS:109537-11-3
- MF:C22H23ClN2O2
- Structure:
- Chemical Name:Acyclovir N-Ethyl-L-valinate Hydrochloride
- CAS:1346617-49-9
- MF:C15H25ClN6O4
- Structure:
- Chemical Name:Carboxy Gliclazide
- CAS:38173-52-3
- MF:C15H19N3O5S
- Structure:
- Chemical Name:Dehydro RifaxiMin
- CAS:80621-76-7
- MF:C43H49N3O11
- Structure:
- Chemical Name:N,N'-Desethylene Levofloxacin Hydrochloride
- CAS:151250-76-9
- MF:C16H18FN3O4
- Structure:
- Chemical Name:rac 3-Deacetyl-3-butanoyl Acebutolol Hydrochloride
- CAS:57898-71-2
- MF:C20H33ClN2O4
- Structure:
- Chemical Name:rac Deoxy-O-desMethyl Venlafaxine
- CAS:1346605-18-2
- MF:C16H25NO
- Structure:
- Chemical Name:2-Keto ZolpideM
- CAS:400038-68-8
- MF:C19H19N3O2
- Structure:
- Chemical Name:N-ForMyl Oxcarbazepine
- CAS:1346601-76-0
- MF:C16H12N2O3
- Structure:
- Chemical Name:OseltaMivir Acid Methyl Ester
- CAS:208720-71-2
- MF:C15H26N2O4
- Structure:
- Chemical Name:2'-[(1E)-2-[4-[[(2-carboxyethyl)aMino]carbonyl]phenyl]diazenyl] Balsalazide
- CAS:1346606-53-8
- MF:C27H24N6O9
- Structure:
- Chemical Name:7β-Fulvestrant
- CAS:407577-53-1
- MF:C32H47F5O3S
- Structure:
- Chemical Name:1,3-Di-HABA KanaMycin A
- CAS:927821-99-6
- MF:C26H50N6O15
- Structure:
- Chemical Name:Dantrolene Related Compound B (50 mg) (5-(4-nitrophenyl)-2-furaldehyde-(2-carboxymethyl) semicarbazone)
- CAS:57268-33-4
- MF:C14H12N4O6
- Structure:
- Chemical Name:Doxazosin Related Compound F (15 mg) (N,N'-bis(1,4-benzodioxane-2-carbonyl)piperazine)
- CAS:617677-53-9
- MF:C22H22N2O6
- Structure:
- Chemical Name:Ropivacaine-iPr-R
- CAS:1050482-18-2
- MF:C17H26N2O
- Structure:
- Chemical Name:Demiditraz IMpurity
- CAS:944268-66-0
- MF:C20H22N2O
- Structure:
- Chemical Name:AcarBose EP Impurity B
- CAS:1220983-54-9
- MF:C26H43NO17
- Chemical Name:Alogliptin Impurity 17
- CAS:
- MF:
- Structure:
- Chemical Name:Aprepitant Impurity 15
- CAS:1447693-83-5
- MF:C20H19ClF7NO2
- Structure:
- Chemical Name:Betamethasone EP Impurity H
- CAS:185613-71-2
- MF:C22H29FO5
- Structure:
- Chemical Name:Blonanserin Impurity 10
- CAS:132810-87-8
- MF:C23H30ClN3
- Chemical Name:Blonanserin impurity G
- CAS:
- MF:
- Chemical Name:Cefodizime Impurity 5
- CAS:
- MF:
- Chemical Name:Clindamycin Impurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:Doxofylline Impurity 4
- CAS:2095554-12-2
- MF:C11H16N4O5
- Structure:
- Chemical Name:Eltrombopag Impurity 1
- CAS:1246929-02-1
- MF:C25H23N5O3
- Chemical Name:Everolimus impurity A
- CAS:
- MF:
- Chemical Name:Fosaprepitant Impurity 13
- CAS:
- MF:
- Chemical Name:Gefitinib Impurity J
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 23
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 29
- CAS:
- MF:
- Chemical Name:Isavuconazole Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Lercanidipine Impurity 6
- CAS:786625-22-7
- MF:C37H43N3O6
- Chemical Name:Linagliptin Impurity 43
- CAS:
- MF:
- Chemical Name:MiraBegron Impurity A
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 15
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 32
- CAS:
- MF:
- Structure:
- Chemical Name:Nifedipine Impurity F
- CAS:53055-15-5
- MF:C18H20N2O6
- Structure:
- Chemical Name:Olaparib Impurity 15
- CAS:2250243-17-3
- MF:C24H25FN4O3
- Structure:
- Chemical Name:Olopatadine Impurity 4
- CAS:55690-15-8
- MF:C18H18O5
- Chemical Name:Posaconazole Impurity 26
- CAS:
- MF:
- Structure:
- Chemical Name:Posaconazole Impurity 48
- CAS:1902954-03-3
- MF:C37H42F2N8O5
- Chemical Name:Posaconazole Impurity 9
- CAS:
- MF:
- Chemical Name:Roxithromycin Impurity E
- CAS:
- MF:
- Chemical Name:SofosBuvir impurity 48
- CAS:
- MF:
- Structure:
- Chemical Name:SofosBuvir Impurity 54
- CAS:1431932-81-8
- MF:C12H17ClNO4P
- Structure:
- Chemical Name:Timolol EP Impurity G
- CAS:75202-36-7
- MF:C6H9N3O3S
- Structure:
- Chemical Name:Tofacitinib Impurity 44
- CAS:2374700-39-5
- MF:C13H19N5
- Chemical Name:Trelagliptin Impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:dimethyl 3- isobutylpentanedioate
- CAS:145328-03-6
- MF:C11H20O4
- Structure:
- Chemical Name:Phenol, 4-chloro-3-[(4-ethoxyphenyl)methyl]-
- CAS:1408077-50-8
- MF:C15H15ClO2
- Structure:
- Chemical Name:2-amino-9-((3aS,4S,6S,6aR)-3a,6-dihydroxyhexahydro-1H-cyclopenta[c]furan-4-yl)-1,9-dihydro-6H-purin-6-one
- CAS:1984788-96-6
- MF:C12H15N5O4
- Chemical Name:Ampicillin Impurity C
- CAS:
- MF:
- Chemical Name:Ampicillin Impurity O
- CAS:
- MF:
- Chemical Name:mixture of PD 312236 and PD 312237
- CAS:
- MF:
- Structure:
- Chemical Name:Axitinib Impurity 27
- CAS:1639137-80-6
- MF:C24H20N4O2S
- Structure:
- Chemical Name:(4R,5R,6S)-4-nitrobenzyl 6-((R)-1-hydroxyethyl)-4-methyl-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate
- CAS:104873-15-6
- MF:C17H18N2O7
- Chemical Name:Lesinurad Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Chrysophanol triglucoside
- CAS:120181-07-9
- MF:C33H40O19
- Structure:
- Chemical Name:7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl-
- CAS:1829588-57-9
- MF:C17H19ClN4O2
- Chemical Name:Cefminox sodium impurities Ⅲ
- CAS:
- MF:
- Structure:
- Chemical Name:Canagliflozin Impurity 18
- CAS:1951467-29-0
- MF:C24H25FO6S
- Structure:
- Chemical Name:Fosaprepitant Impurity 6
- CAS:327623-34-7
- MF:C21H19F6NO3
- Structure:
- Chemical Name:Ivabradine Impurity 16 HCl
- CAS:304464-98-0
- MF:C26H34N2O5
- Chemical Name:Moxifloxacin EP Impurity A HCl
- CAS:
- MF:
- Structure:
- Chemical Name:Paroxetine EP Impurity H HCl
- CAS:503834-41-1
- MF:C19H23ClFNO
- Structure:
- Chemical Name:Solifenacin Related Compound 13
- CAS:1251905-45-9
- MF:C17H17NO2
- Structure:
- Chemical Name:1-(3-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboximidamide
- CAS:2101651-50-5
- MF:C14H12FN5
- Structure:
- Chemical Name:N1-(4-chlorophenyl)-3,12-diimino-N14-phenyl-2,4,11,13-Tetraazatetradecanediimidamide
- CAS:152504-12-6
- MF:C22H31ClN10
- Structure:
- Chemical Name:Ethylmethyl-carbamic chloride
- CAS:42252-34-6
- MF:C4H8ClNO
- Structure:
- Chemical Name:N-(3-{[(4-methylphenyl)sulfonyl]amino}phenyl)acetamide
- CAS:329941-39-1
- MF:C15H16N2O3S
- Structure:
- Chemical Name:Cisatracurium-20-methyl Dibenzenesulfonate
- CAS:1193104-85-6
- MF:C60H79N2O15S+
- Structure:
- Chemical Name:[R-(R*,S*)]-(-)-N-(1-PHENYLETHYL)-1-AZABICYCLO[2.2.2]OCTAN-3-AMINE DIHYDROCHLORIDE
- CAS:128311-06-8
- MF:C15H24Cl2N2
- Structure:
- Chemical Name:GURKHSYORGJETM-MGDILKBHSA-N
- CAS:1992961-26-8
- MF:C33H39ClN4O6
- Structure:
- Chemical Name:Despropoxy Ethoxy Udenafil
- CAS:268204-07-5
- MF:C24H34N6O4S
- Structure:
- Chemical Name:DVCUGHHGLKCBMT-QVDQXJPCSA-N
- CAS:1356353-76-8
- MF:C15H24N6O6
- Structure:
- Chemical Name:5,6-Dehydro-Tigecycline
- CAS:1633815-62-9
- MF:C29H37N5O8
- Chemical Name:Benazepril Related Compound F
- CAS:
- MF:
- Structure:
- Chemical Name:4-(2-Cyanophenyl)benzaldehyde
- CAS:135689-93-9
- MF:C14H9NO
- Structure:
- Chemical Name:2-(N,N-DIETHYLAMINO)-4,6-DICHLOROTRIAZINE
- CAS:2401-64-1
- MF:C5H6Cl2N4
- Structure:
- Chemical Name:(S)-4-Chloro-1,3-butanediol
- CAS:139013-68-6
- MF:C4H9ClO2
- Structure:
- Chemical Name:6-CHLORO-1-METHYLURACIL
- CAS:31737-09-4
- MF:C5H5ClN2O2
- Structure:
- Chemical Name:5-(Propylthio)-1H-benzimidazol-2-amine
- CAS:80983-36-4
- MF:C10H13N3S
- Structure:
- Chemical Name:Ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate
- CAS:179688-26-7
- MF:C15H21NO8
- Structure:
- Chemical Name:Hexyl methanesulfonate
- CAS:16156-50-6
- MF:C7H16O3S
- Structure:
- Chemical Name:5-CHLOROTHIOPHENE-3-CARBOXYLIC ACID
- CAS:36157-42-3
- MF:C5H3ClO2S
- Structure:
- Chemical Name:(S)-(+)-1-[(4-Chlorophenyl)phenylmethyl]piperazine
- CAS:439858-21-6
- MF:C17H19ClN2
- Structure:
- Chemical Name:4-[(2,3-Dihydro-5,6-dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine Hydrochloride
- CAS:1034439-57-0
- MF:C24H32ClNO2
- Structure:
- Chemical Name:5-(aminosulfonyl)-2-methoxybenzamide
- CAS:52395-25-2
- MF:C8H10N2O4S
- Structure:
- Chemical Name:PIPERIDINE-3-CARBOXYLIC ACID (2,6-DIMETHYL-PHENYL)-AMIDE
- CAS:337488-90-1
- MF:C14H20N2O