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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Dopexamine hydrochloride
- CAS:86484-91-5
- MF:C22H34Cl2N2O2
- Structure:
- Chemical Name:4-(4-Chlorophenyl)-2-pyrrolidinone
- CAS:22518-27-0
- MF:C10H10ClNO
- Structure:
- Chemical Name:ISOSORBIDE 2-MONONITRATE
- CAS:16106-20-0
- MF:C6H9NO6
- Structure:
- Chemical Name:(3S,4S)-3-HEXYL-4-[(R)-2-(HYDROXYTRIDECYL)]OXETAN-2-ONE
- CAS:104872-06-2
- MF:C22H42O3
- Structure:
- Chemical Name:4-(4-chlorophenyl)-1-[4-(4-fluorophenyl)-4-oxobutyl]-4-piperidyl decanoate
- CAS:74050-97-8
- MF:C31H41ClFNO3
- Chemical Name:COAGULATION FACTOR VII, HUMAN
- CAS:9001-25-6
- MF:
- Structure:
- Chemical Name:2-ALLYL-4-PENTENOIC ACID
- CAS:99-67-2
- MF:C8H12O2
- Structure:
- Chemical Name:N-DesMethyl DiphenhydraMine Hydrochloride
- CAS:53499-40-4
- MF:C16H20ClNO
- Structure:
- Chemical Name:Ipratropium bromide monohydrate
- CAS:66985-17-9
- MF:C20H32BrNO4
- Structure:
- Chemical Name:Trimethoprim Related Compound A (25 mg) (4-amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-ol) (AS)
- CAS:60729-91-1
- MF:C14H17N3O4
- Structure:
- Chemical Name:1-[3-(DIMETHYLAMINO)PROPYL]-1-(4-FLUOROPHENYL)-1,3-DIHYDRO-5-ISOBENZOFURANCARBOXAMIDE
- CAS:64372-56-1
- MF:C20H23FN2O2
- Structure:
- Chemical Name:13-CIS-ACITRETIN
- CAS:69427-46-9
- MF:C21H26O3
- Structure:
- Chemical Name:YTTERBIUM(III) IONOPHORE I
- CAS:125110-14-7
- MF:C16H17N5O8S2
- Structure:
- Chemical Name:CITALOPRAM RELATED COMPOUND F (200 MG) (DIMETHYL-(1-METHYL-3,3-DIPHENYL-ALLYL)-AMINE HYDROCHLORIDE)
- CAS:55011-89-7
- MF:C18H22ClN
- Structure:
- Chemical Name:1,3-dihydro-6-methylfuro[3,4-c]pyridin-7-ol
- CAS:5196-20-3
- MF:C8H9NO2
- Structure:
- Chemical Name:PROPYLENE GLYCOL DILAURATE
- CAS:22788-19-8
- MF:C27H52O4
- Structure:
- Chemical Name:metomidate
- CAS:5377-20-8
- MF:C13H14N2O2
- Structure:
- Chemical Name:PACLITAXEL C
- CAS:153415-45-3
- MF:C46H57NO14
- Structure:
- Chemical Name:exo-Granisetron (Granisetron Impurity F)
- CAS:127472-42-8
- MF:C18H24N4O
- Structure:
- Chemical Name:(±)-2-methyl-1-nitrosoindoline
- CAS:85440-79-5
- MF:C9H10N2O
- Structure:
- Chemical Name:(5alpha)-7,8-didehydro-4,5-epoxy-14-hydroxy-3-methoxy-17-methylmorphinan-6-one
- CAS:508-54-3
- MF:C18H19NO4
- Structure:
- Chemical Name:Morphine Sulfate
- CAS:6211-15-0
- MF:C34H50N2O15S
- Structure:
- Chemical Name:Des[2-[(2-Hydroxyethyl)aMino]ethyl] Mitoxantrone (Mitoxantrone IMpurity A)
- CAS:89991-52-6
- MF:C18H19N3O5
- Structure:
- Chemical Name:CLADRIBINE RELATED COMPOUND A (20 MG) (2-METHOXY-2'-DEOXYADENOSINE)
- CAS:24757-70-8
- MF:C11H15N5O4
- Structure:
- Chemical Name:VALPROIC ACID RELATED COMPOUND B (50 MG) ((2RS)-2-(1-METHYLETHYL)PENTANOIC ACID) (AS)
- CAS:62391-99-5
- MF:C8H16O2
- Chemical Name:COAGULATION FACTOR VIIA, HUMAN
- CAS:102786-61-8
- MF:
- Structure:
- Chemical Name:Citalopram hydrochloride
- CAS:85118-27-0
- MF:C20H22ClFN2O
- Chemical Name:INTERFERON ALFA-2B
- CAS:99210-65-8
- MF:
- Structure:
- Chemical Name:ISO-MALATHION
- CAS:3344-12-5
- MF:C10H19O6PS2
- Structure:
- Chemical Name:alpha-[2-Fluoro-4-(1H-1,2,4-triazol-1-yl)phenyl]-alpha-(1H-1,2,4-triazol-1-ylmethyl)-1H-1,2,4-triazole-1-ethanol
- CAS:871550-15-1
- MF:C15H14FN9O
- Structure:
- Chemical Name:1-(3-Chlorophenyl)-5-isopropylbiguanide Hydrochloride
- CAS:1071546-52-5
- MF:C11H17Cl2N5
- Structure:
- Chemical Name:TIZANIDINE RELATED COMPOUND C (50 MG) (1-ACETYLIMIDAZOLIDINE-2-THIONE)
- CAS:5391-52-6
- MF:C5H8N2OS
- Structure:
- Chemical Name:CROTONYLBETAINE(CARNITINE IMPURITY)(RG)
- CAS:927-89-9
- MF:C16H30N2O6
- Structure:
- Chemical Name:4-CHLOROBENZYLIDENE PHTHALIDE
- CAS:20526-97-0
- MF:C15H9ClO2
- Structure:
- Chemical Name:1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one
- CAS:4656-86-4
- MF:C4H3N5O
- Structure:
- Chemical Name:3-amino-5-(aminosulphonyl)-4-phenoxybenzoic acid
- CAS:28328-54-3
- MF:C13H12N2O5S
- Structure:
- Chemical Name:PN 203-831
- CAS:116169-18-7
- MF:C19H19N3O5
- Structure:
- Chemical Name:Pramipexole Impurity 16
- CAS:104632-27-1
- MF:C10H18ClN3S
- Structure:
- Chemical Name:cis-Glimepiride
- CAS:684286-46-2
- MF:C24H34N4O5S
- Structure:
- Chemical Name:ent-Voriconazole
- CAS:137234-63-0
- MF:C16H14F3N5O
- Structure:
- Chemical Name:ethyl 5-(forMylaMino)-1H-pyrazole-4-carboxylate
- CAS:31055-19-3
- MF:C7H9N3O3
- Structure:
- Chemical Name:2,2'-Bis-(1-adaMantyl)-4,4'-diMethoxybiphenyl
- CAS:932033-57-3
- MF:C34H42O2
- Structure:
- Chemical Name:Orlistat Related Compound D
- CAS:130793-27-0
- MF:C29H53NO5
- Structure:
- Chemical Name:GLYBURIDE RELATED COMPOUND B (25 MG) (METHYL-[[4-[2-[(5-CHLORO-2-METHOXYBENZOYL)-AMINO]ETHYL]PHENYL]SULFONYL]CARBAMATE) (AS)
- CAS:21165-77-5
- MF:C18H19ClN2O6S
- Chemical Name:Chitosan Hydrochloride
- CAS:70694-72-3
- MF:
- Structure:
- Chemical Name:Calcipotriol Monohydrate
- CAS:147657-22-5
- MF:C27H42O4
- Structure:
- Chemical Name:Endo-3-amine-9-methyl-9-azabicyclo[3,3,1]nonane
- CAS:107007-95-4
- MF:C17 H22 N4 O
- Structure:
- Chemical Name:SODIUM O-IODOHIPPURATE
- CAS:133-17-5
- MF:C9H7INNaO3
- Structure:
- Chemical Name:2-(4-chloro-3-sulphamoylbenzoyl)benzoic acid
- CAS:5270-74-6
- MF:C14H10ClNO5S
- Structure:
- Chemical Name:5H-dibenzo[a,d]cycloheptene
- CAS:256-81-5
- MF:C15H12
- Structure:
- Chemical Name:6-aminocarbovir
- CAS:124752-25-6
- MF:C11H14N6O
- Structure:
- Chemical Name:dihydromevinolin
- CAS:77517-29-4
- MF:C24H38O5
- Structure:
- Chemical Name:2,4-Diamino-6-phenyl-7-pteridinol
- CAS:19152-93-3
- MF:C12H10N6O
- Structure:
- Chemical Name:FaMotidine AMide IMpurity
- CAS:76824-16-3
- MF:C8H13N5OS2
- Structure:
- Chemical Name:CLEBOPRIDE MALATE
- CAS:57645-91-7
- MF:C20H24ClN3O2.C4H6O5
- Structure:
- Chemical Name:1-(3-Chlorophenyl)-1-hydroxy-2-propanone
- CAS:857233-13-7
- MF:C9H9ClO2
- Structure:
- Chemical Name:3S, 5S enantioMer of Atorvastatin CalciuM
- CAS:1105067-88-6
- MF:C33H34CaFN2O5+
- Chemical Name:EPOXIDIZED LINSEED OIL
- CAS:8016-11-3
- MF:
- Structure:
- Chemical Name:LEVODOPA RELATED COMPOUND A (50 MG) (3-(3,4,6-TRIHYDROXYPHENYL)-ALANINE)
- CAS:27244-64-0
- MF:C9H11NO5
- Structure:
- Chemical Name:3-Nitro-4-phenoxy-5-sulfaMoylbenzoic Acid
- CAS:28328-53-2
- MF:C13H10N2O7S
- Structure:
- Chemical Name:ALLOPURINOL IMPURITY C
- CAS:1346604-13-4
- MF:C6H6N6O
- Structure:
- Chemical Name:PEAK E
- CAS:132685-02-0
- MF:C24H26N4O4
- Structure:
- Chemical Name:Chlorcyclizine hydrochloride
- CAS:14362-31-3
- MF:C18H22Cl2N2
- Structure:
- Chemical Name:1-[4-(2-Hydroxyethyl)phenoxy]-2,3-epoxypropane
- CAS:63659-17-6
- MF:C15H20O3
- Structure:
- Chemical Name:Almagate
- CAS:66827-12-1
- MF:CH6AlMgO4(-3)
- Structure:
- Chemical Name:Loperamide
- CAS:106900-12-3
- MF:C29H33ClN2O3
- Structure:
- Chemical Name:L-Glutamic acid, N-[4-[[ (2-amino-1, 4-dihydro-4-oxo-6-pteridinyl)meth yl]methylamino]benzoyl]-
- CAS:2410-93-7
- MF:C20H21N7O6
- Structure:
- Chemical Name:2-(Acetylsulfanyl)ethanesulphonic
- CAS:69536-71-6
- MF:C4H8O4S2
- Structure:
- Chemical Name:rac 1-Chloro-3-[4-(2-methoxyethyl)phenoxy]-2-propanol
- CAS:56718-76-4
- MF:C12H17ClO3
- Structure:
- Chemical Name:Albuterol Aldehyde
- CAS:156339-88-7
- MF:C13H19NO3
- Structure:
- Chemical Name:4-phenylbutylphosphonic acid
- CAS:46348-61-2
- MF:C10H15O3P
- Structure:
- Chemical Name:17R-Drospirenone
- CAS:90457-65-1
- MF:C24H30O3
- Structure:
- Chemical Name:Trandolapril Related Compound D (25 mg) ((S)-ethyl 2-[(3S, 5aS, 9aR, 10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl]-4-phenylbutanoate)
- CAS:149881-40-3
- MF:C24H32N2O4
- Structure:
- Chemical Name:Benzoic acid, 2-(hexahydro-1-Methyl-1H-azepin-4-yl)hydrazide
- CAS:110406-94-5
- MF:C14H21N3O
- Structure:
- Chemical Name:D-PENICILLAMINE DISULFIDE
- CAS:20902-45-8
- MF:C10H20N2O4S2
- Structure:
- Chemical Name:DESETHYL CHLOROQUINE
- CAS:1476-52-4
- MF:C16H22ClN3
- Chemical Name:HIDE POWDER
- CAS:
- MF:
- Structure:
- Chemical Name:BETAMETHASONE BENZOATE (200 MG)
- CAS:22298-29-9
- MF:C35H41FO8
- Structure:
- Chemical Name:TIZANIDINE RELATED COMPOUND B (50 MG) (N-ACETYLTIZANIDINE)
- CAS:173532-15-5
- MF:C11H10ClN5OS
- Structure:
- Chemical Name:9,11-Didehydroestriol
- CAS:246021-20-5
- MF:C18H22O3
- Structure:
- Chemical Name:PHENYTOIN RELATED COMPOUND B (50 MG) (AL-PHA-((AMINOCARBONYL)AMINO)-ALPHA-PHENYL BEN-ZENEACETIC ACID)
- CAS:6802-95-5
- MF:C15H14N2O3
- Structure:
- Chemical Name:OXYBUTYNIN IMPURITY A
- CAS:1199574-71-4
- MF:C22H35NO3
- Structure:
- Chemical Name:1-[3-(4-tert-Butylbenzoyl)propyl]-4-hydroxypiperidine
- CAS:97928-18-2
- MF:C19H29NO2
- Structure:
- Chemical Name:benazepril hydrochloride
- CAS:215447-89-5
- MF:C24H28N2O5HCl
- Structure:
- Chemical Name:L-Nateglinide
- CAS:105816-05-5
- MF:C19H27NO3
- Structure:
- Chemical Name:cis-Tranylcypromine hydrochloride
- CAS:54779-58-7
- MF:C9H12ClN
- Structure:
- Chemical Name:(1S–4R)-4-(2-amino-6-chloro-9H-purin-9-yl)-2-cyclopentene-1-methanol hydrochloride
- CAS:172015-79-1
- MF:C11H12ClN5O.ClH
- Structure:
- Chemical Name:Atorvastatin Related Compound C
- CAS:693793-53-2
- MF:C33H36CaF2N2O5
- Structure:
- Chemical Name:[2-(3-pyridinyl)ethylidene-1,1]bis(phosphonic acid)
- CAS:75755-10-1
- MF:C7H11NO6P2
- Structure:
- Chemical Name:2,2'-Binaphthalene-6,6'-dicarboxylic Acid
- CAS:932033-58-4
- MF:C22H14O4
- Structure:
- Chemical Name:INDAPAMIDE RELATED COMPOUND A (50 MG) (4-CHLORO-N-(2-METHYL-INDOL-1-YL)-3-SULFAMOYLBEN-ZAMIDE) (AS)
- CAS:63968-75-2
- MF:C16H14ClN3O3S
- Structure:
- Chemical Name:DESETHYLENE CIPROFLOXACIN, HYDROCHLORIDE
- CAS:528851-31-2
- MF:C15H16FN3O3.ClH
- Structure:
- Chemical Name:OXOLINIC ACID IMPURITY B
- CAS:16172-03-5
- MF:C15H15NO5
- Structure:
- Chemical Name:dacisteine
- CAS:18725-37-6
- MF:C7H11NO4S
- Structure:
- Chemical Name:Desmethyl Chlorpheniramine Maleate Salt
- CAS:22630-25-7
- MF:C19H21ClN2O4
- Structure:
- Chemical Name:4-O-BETA-GALACTOPYRANOSYL-D-MANNOPYRANOSE
- CAS:50468-56-9
- MF:C12H22O11
- Structure:
- Chemical Name:1-(3-Chlorophenyl)-2-hydroxy-1-propanone
- CAS:152943-33-4
- MF:C9H9ClO2
- Structure:
- Chemical Name:Desisobutyryl Ciclesonide
- CAS:161115-59-9
- MF:C28H38O6
- Structure:
- Chemical Name:7-hydroxy-2-methyl-4H-chromen-4-one
- CAS:6320-42-9
- MF:C10H8O3
- Structure:
- Chemical Name:3-Oxo Ropinirole Hydrochloride
- CAS:221264-21-7
- MF:C16H23ClN2O2