ChemicalBook >
Product Catalog >
Analytical Chemistry >
Standard >
Pharmaceutical Impurity Reference Standards
Pharmaceutical Impurity Reference Standards
Click on the specific product, view the latest prices of the products, information, serving information
- Structure:
- Chemical Name:Bis(3-hydroxypropyl) persulfide
- CAS:30453-21-5
- MF:C6H14O2S2
- Structure:
- Chemical Name:CHLOROAC-PRO-OH
- CAS:23500-10-9
- MF:C7H10ClNO3
- Structure:
- Chemical Name:2,4-Dihydro-4-[4-[4-(4-methoxyphenyl)-1-piperazinyl]phenyl]-2-(1-methylpropyl)-3H-1,2,4-triazol-3-one
- CAS:252964-68-4
- MF:C23H29N5O2
- Structure:
- Chemical Name:2-(2-Methoxyphenoxy)ethanol
- CAS:18181-71-0
- MF:C9H12O3
- Structure:
- Chemical Name:2-(3-Chloro-2-hydroxypropyl)-2H-isoindole-1,3-dione
- CAS:19667-37-9
- MF:C11H10ClNO3
- Structure:
- Chemical Name:4,6-Dibromo-m-cresol
- CAS:13321-76-1
- MF:C7H6Br2O
- Structure:
- Chemical Name:(R)-2,4-Dihydroxy-3,3-dimethylbutyric acid sodium salt
- CAS:60979-68-2
- MF:C{6}H{11}NaO{4}
- Structure:
- Chemical Name:N1-Methylbenzene-1,2,4-triaMine
- CAS:60651-29-8
- MF:C7H11N3
- Chemical Name:RocuroniuMbroMide iMpurity H
- CAS:
- MF:
- Structure:
- Chemical Name:1-[(2'-carbaMoylbiphenyl-4-yl) Methyl]-2-ethoxybenziMidazole-7-carboxylic acid
- CAS:1696392-11-6
- MF:C24H21N3O4
- Structure:
- Chemical Name:5-chloro-1-(3-diMethylaMinopropyl)-1-(4-fluorophenyl)-phthalan
- CAS:64169-45-5
- MF:C19H21ClFNO
- Chemical Name:dextroMethorphanone
- CAS:
- MF:
- Structure:
- Chemical Name:oxiracetaM related substance ISF3886
- CAS:120428-80-0
- MF:C8H13N3O4
- Structure:
- Chemical Name:Carvedilol IMpurity D
- CAS:1391052-16-6
- MF:C39H39N3O6
- Structure:
- Chemical Name:DL-2-(4-Carboxyphenyl)propionic Acid
- CAS:67381-50-4
- MF:C10H10O4
- Structure:
- Chemical Name:Betamethasone 17-Propionate 21-Mesylate
- CAS:15423-80-0
- MF:C26H35FO8S
- Structure:
- Chemical Name:ClarithroMycin EP IMpurity F
- CAS:128940-83-0
- MF:C39H71NO13
- Structure:
- Chemical Name:3(R)-Hydroperoxy Simvastatin
- CAS:1092716-42-1
- MF:C25H38O7
- Structure:
- Chemical Name:Albendazole EP IMpurity F
- CAS:80983-45-5
- MF:C10H11N3O2S
- Structure:
- Chemical Name:10-Dehydrobaccatin V
- CAS:151636-94-1
- MF:C29H34O10
- Structure:
- Chemical Name:DoxylaMine EP IMpurity A
- CAS:873407-01-3
- MF:C17H22N2O
- Structure:
- Chemical Name:((1R,3R,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5,6-diMethylhept-3-en-2-yl)-7a-Methyldihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diyl)bis(oxy)bis(tert-butyldiMethylsilane)
- CAS:115540-28-8
- MF:C40H72O2Si2
- Structure:
- Chemical Name:Clopidogrel EP IMpurity D
- CAS:1421283-60-4
- MF:C24H21Cl2NO4S
- Structure:
- Chemical Name:Loratadine IMpurity E
- CAS:
- MF:C22H23ClN2O2
- Structure:
- Chemical Name:Metoprolol IMpurity E
- CAS:
- MF:C15H25NO3
- Chemical Name:IMp. A (EP): 4-Methyl-6-(1-Methyl-1H-benziMidazol-2-yl)-2-propyl-1H-benziMidazole
- CAS:
- MF:
- Structure:
- Chemical Name:(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-(3-thiazolidinylcarbonyl)-1-pyrrolidinecarboxylic acid tert-butyl ester
- CAS:401566-80-1
- MF:C27H38N6O3S
- Structure:
- Chemical Name:4-Methoxy-5-(3-Morpholinopropoxy)-2-nitrobenzaMide
- CAS:861453-16-9
- MF:C15H21N3O6
- Structure:
- Chemical Name:5-chloro-3-sulfo-2-Thiophenecarboxylic acid
- CAS:187746-94-7
- MF:C5H3ClO5S2
- Structure:
- Chemical Name:2,2'-(4,4'-(3,3'-(isopropylazanediyl)bis(2-hydroxypropane-3,1-diyl))bis(oxy)bis(4,1-phenylene))diacetaMide
- CAS:87619-83-8
- MF:C25H35N3O6
- Structure:
- Chemical Name:3,3'-diMethyl-1,1'-diphenyl-1H,1'H-4,4'-bipyrazole-5,5'-diol
- CAS:177415-76-8
- MF:C20H18N4O2
- Structure:
- Chemical Name:5-(2-cyclopropyl-1-(3-fluorophenyl)-2-oxoethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate
- CAS:1391194-39-0
- MF:C20H20FNO3S
- Structure:
- Chemical Name:(S)-N-(1-(3-MethylbutanaMido)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxaMide
- CAS:862894-96-0
- MF:C19H22N4O3
- Structure:
- Chemical Name:Ticagrelor iMpurity
- CAS:1882095-51-3
- MF:C27H45N5O8S
- Structure:
- Chemical Name:cefaclor iMpurity G
- CAS:67308-21-8
- MF:C16H17N3O4S
- Chemical Name:Rupatadine iMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Tadalafil iMpurity D
- CAS:951661-81-7
- MF:C22H20ClN3O4
- Structure:
- Chemical Name:1-((2R,3R)-2-(benzyloxy)pentan-3-yl)-4-(4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)-1H-1,2,4-triazol-5(4H)-one
- CAS:2243786-01-6
- MF:C30H35N5O3
- Structure:
- Chemical Name:5-(3-fluorophenyl)-1H-pyrrole-3-carbaldehyde
- CAS:
- MF:C11H8FNO
- Structure:
- Chemical Name:1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid bis(1-methylethyl) ester
- CAS:21881-78-7
- MF:C21H26N2O6
- Structure:
- Chemical Name:2-(4-Methylphenyl)sulfonyloxyethanol
- CAS:42772-85-0
- MF:C9H12O4S
- Structure:
- Chemical Name:2-Azabicyclo[3.1.0]hexane-3-carbonitrile, 2-[(2S)-2-aMino-2-(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-, (1R,3R,5R)-
- CAS:1564265-94-6
- MF:C18H25N3O2
- Chemical Name:EMpagliflozin iMpurity 8
- CAS:
- MF:
- Structure:
- Chemical Name:EMpagliflozin iMpurity 13
- CAS:2125472-55-9
- MF:C23H25ClO8
- Structure:
- Chemical Name:6-Methyldi(ondansetron-3-de(1,2-diMethyl-1H-iMidazole))
- CAS:1365727-07-6
- MF:C27H26N2O2
- Structure:
- Chemical Name:(-)-Syringaresinol-4-O-beta-D-glucopyranoside
- CAS:137038-13-2
- MF:C28H36O13
- Structure:
- Chemical Name:Budesonide Impurity (1, 4-Androstadien-11-beta-16-alfa-diol-3, 17-dione)
- CAS:910299-74-0
- MF:C19H24O4
- Structure:
- Chemical Name:Etoricoxib Impurity 12
- CAS:646459-41-8
- MF:C21H16ClN3O2S
- Structure:
- Chemical Name:Levofloxacin Tetrafluoro Impurity 2
- CAS:103995-33-1
- MF:C14H12F4O4
- Structure:
- Chemical Name:Mupirocin Impurity C
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Verapamil Impurity H
- CAS:67018-83-1
- MF:C26H36N2O4
- Structure:
- Chemical Name:Warfarin Impurity 1
- CAS:55901-61-6
- MF:C13H14O
- Structure:
- Chemical Name:Vitexin -4''-O-glucoside
- CAS:178468-00-3
- MF:C27H30O15
- Chemical Name:Aripiprazole EP impurity D
- CAS:
- MF:
- Chemical Name:Ceftriaxone IMpurit C
- CAS:
- MF:
- Chemical Name:Flucloxacillin IMpurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Gefitinib N-Oxide
- CAS:847949-51-3
- MF:C22H24ClFN4O4
- Structure:
- Chemical Name:Milrinone IMpurity 3
- CAS:98293-81-3
- MF:C12H7N3O3
- Structure:
- Chemical Name:Nicardipine Related CoMpound 4
- CAS:123973-71-7
- MF:C25H27N3O6
- Chemical Name:PraMipexole IMp.BI-II786BS
- CAS:
- MF:
- Chemical Name:Propofol IMpurity E
- CAS:
- MF:
- Chemical Name:Solifenacin Related CoMpound 5
- CAS:
- MF:
- Structure:
- Chemical Name:TelMisartan BroMo Ethyl Ester
- CAS:133085-87-7
- MF:C16H15BrO2
- Structure:
- Chemical Name:Tolterodine Lactol IMpurity
- CAS:209747-04-6
- MF:C16H16O2
- Chemical Name:Valsartan N1-Trityl IMpurity
- CAS:
- MF:
- Structure:
- Chemical Name:(3-Carbamoylallyl)trimethylammonium
- CAS:857162-57-3
- MF:C7H15N2O+
- Structure:
- Chemical Name:3-CHLORO-4-HYDROXYACETANILIDE
- CAS:3964-54-3
- MF:C8H8ClNO2
- Chemical Name:Apixaban IMpurity(BMS-591329-01)
- CAS:
- MF:
- Structure:
- Chemical Name:ent-14S-3-Methoxy-17-MethylMorphinan
- CAS:1453167-99-1
- MF:C18H25NO
- Structure:
- Chemical Name:PD 224378
- CAS:501665-88-9
- MF:C20H35NO11
- Structure:
- Chemical Name:(rac,syn)-4-Deschloro-sertraline
- CAS:871838-58-3
- MF:C17H18ClN
- Structure:
- Chemical Name:1-[2-(DiMethylaMino)-1-phenylethyl]cyclohexanol
- CAS:93413-86-6
- MF:C16H25NO
- Structure:
- Chemical Name:1-[4-(2-Methoxyethenyl)phenoxy]-3-[(1-Methylethyl)aMino]-2-propanol
- CAS:82961-02-2
- MF:C15H23NO3
- Structure:
- Chemical Name:11-Desethyl Irinotecan
- CAS:103816-16-6
- MF:C31H34N4O6
- Structure:
- Chemical Name:5-Methoxy-2-[[(4-Methoxy-3,5-diMethyl-2-pyridinyl)Methyl]thio]-1H-benziMidazole N-Oxide
- CAS:142885-92-5
- MF:C17H19N3O3S
- Structure:
- Chemical Name:7-[[[(CyanoMethyl)thio]acetyl]aMino]-7-Methoxy Cephalosporanic Acid
- CAS:56796-16-8
- MF:C15H17N3O7S2
- Structure:
- Chemical Name:7S-Cefdinir
- CAS:178601-89-3
- MF:C14H13N5O5S2
- Structure:
- Chemical Name:Dehydroxy BroMocelecoxib
- CAS:170570-75-9
- MF:C17H13BrF3N3O2S
- Structure:
- Chemical Name:Desethylene Norfloxacin Hydrochloride
- CAS:75001-77-3
- MF:C14H16FN3O3
- Structure:
- Chemical Name:p-(2,3-Epoxypropoxy)benzyl Alcohol
- CAS:4204-78-8
- MF:C10H12O3
- Structure:
- Chemical Name:α-Etoposide
- CAS:100007-53-2
- MF:C29H32O13
- Structure:
- Chemical Name:N-Desmethyl-N-benzyl Sildenafil
- CAS:1446089-82-2
- MF:C28H34N6O4S
- Structure:
- Chemical Name:4-Hydroxy AtoMoxetine Oxalate
- CAS:457634-21-8
- MF:C19H23NO6
- Structure:
- Chemical Name:6-Chloro-1-Ethyl-4-Oxo-7-(Piperazin-1-yl)-1,4-Dihydroquinoline-3-Carboxylic acid
- CAS:67681-84-9
- MF:C16H18ClN3O3
- Structure:
- Chemical Name:Afatinib IMpurity J
- CAS:1456696-14-2
- MF:C18H22N4O4
- Chemical Name:Aprepitant iMpurity A
- CAS:
- MF:
- Structure:
- Chemical Name:Atorvastatin LactaM Phenanthrene CalciuM Salt
- CAS:1046378-58-8
- MF:C33H35CaFN2O6
- Chemical Name:Avanafil IMpurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Desfluoro flurbiprofen axetil
- CAS:1685278-08-3
- MF:C19H20O4
- Structure:
- Chemical Name:Desloratadine IMpurity 6
- CAS:38092-90-9
- MF:C20H21ClN2
- Chemical Name:ErtapeneM Ring Open IMpurity
- CAS:
- MF:
- Chemical Name:LincoMycin iMpurity C
- CAS:
- MF:
- Chemical Name:Norfloxacin iMpurity E
- CAS:
- MF:
- Chemical Name:Posaconazole iMpurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Quetiapine IMpurity [2-(2-Piperazin-1-yl)ethoxy)ethanol]
- CAS:2206135-50-2
- MF:C25H18N2S2
- Chemical Name:Rabeprazole iMpurity (Chloro interMediate)
- CAS:
- MF:
- Structure:
- Chemical Name:Macitentan impurity B
- CAS:441796-13-0
- MF:C18H18Br2N6O4S
- Chemical Name:Meropenem IMP B
- CAS:
- MF:
- Structure:
- Chemical Name:tert-butyl 4-(6-bromopyridin-3-yl)piperazine-1-carboxylate
- CAS:412348-27-7
- MF:C14H20BrN3O2
- Structure:
- Chemical Name:ETHYL 3,4-EPOXYBUTANOATE
- CAS:32223-97-5
- MF:C6H10O3