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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Ertapenem Impurity 2
- CAS:
- MF:
- Chemical Name:Febuxostat Impurity 68
- CAS:
- MF:
- Chemical Name:Indacaterol Impurity 9
- CAS:
- MF:
- Structure:
- Chemical Name:Olanzapine Impurity 22
- CAS:
- MF:C17H20N4S
- Structure:
- Chemical Name:Olopatadine Impurity 9
- CAS:680579-52-6
- MF:C39H36Br2P2
- Structure:
- Chemical Name:Oseltamivir Impurity 59
- CAS:2485836-60-8
- MF:C12H22N2O3
- Chemical Name:Palbociclib Impurity 36
- CAS:
- MF:
- Chemical Name:Regorafenib Impurity 34
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 47
- CAS:
- MF:
- Structure:
- Chemical Name:Sildenafil Impurity 36
- CAS:
- MF:C25H27N3O5
- Chemical Name:Sunitinib Impurity 4
- CAS:
- MF:
- Chemical Name:Tafluprost Impurity 11
- CAS:
- MF:
- Chemical Name:Tazobactam Impurity 4
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 103
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 94
- CAS:
- MF:
- Chemical Name:Tofacitinib Impurity 119
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 26
- CAS:
- MF:
- Chemical Name:Trelagliptin Impurity 31
- CAS:
- MF:
- Chemical Name:Caspofungin impurity E
- CAS:
- MF:
- Chemical Name:Erythromycin Impurity C
- CAS:
- MF:
- Chemical Name:Itraconazole iMpurity 4
- CAS:
- MF:
- Chemical Name:Azacitidine Impurity 3
- CAS:
- MF:
- Chemical Name:Ozagrel Impurity 2
- CAS:
- MF:
- Chemical Name:Olaparib Impurity 22
- CAS:
- MF:
- Structure:
- Chemical Name:Irbesartan Impurity 14
- CAS:133690-91-2
- MF:C25H28N6O
- Structure:
- Chemical Name:Febuxostat Impurity 25
- CAS:1643131-89-8
- MF:C17H20N2O4S
- Structure:
- Chemical Name:Pregabalin Impurity 3
- CAS:1928754-83-9
- MF:C12H22O3
- Chemical Name:Bosutinib Impurity 6
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 49
- CAS:2376278-80-5
- MF:
- Chemical Name:Edoxaban Impurity 14
- CAS:
- MF:
- Structure:
- Chemical Name:Indacaterol Impurity 3
- CAS:2250243-41-3
- MF:C26H32N2O3
- Chemical Name:Canagliflozin Impurity 11
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 22
- CAS:
- MF:
- Chemical Name:Riociguat IMpurtiy B
- CAS:
- MF:
- Chemical Name:Silodosin Impurity C
- CAS:
- MF:
- Structure:
- Chemical Name:Dexmedetomidine-025
- CAS:2250242-52-3
- MF:C20H22N2
- Chemical Name:pranoprofen impurity 15
- CAS:
- MF:
- Structure:
- Chemical Name:Mono-Hydroxy Sugammadex
- CAS:2376607-99-5
- MF:C69H109NaO47S7
- Chemical Name:Metronidazole impurity A
- CAS:
- MF:
- Chemical Name:Sulpiride Impurity 6
- CAS:
- MF:
- Chemical Name:Cefminox Impurity A
- CAS:
- MF:
- Chemical Name:Cefminox Impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:(S-(R* S*))-(+)-N-(1-PHENYLETHYL)-1- AZ&
- CAS:120570-09-4
- MF:C15H24Cl2N2
- Structure:
- Chemical Name:CLOPIDOGREL RELATED COMPOUND B (20 MG) (METHYL(+/-)-(O-CHLOROPHENYL)-4,5-DIHYDROTHIE-NO[2,3-C]PYRIDINE-6(7H)-ACETATE, HYDROCHLORIDE)
- CAS:144750-52-7
- MF:C16H16ClNO2S.ClH
- Structure:
- Chemical Name:VERAPAMIL RELATED COMPOUND B (50 MG) (AL-PHA-[2-[[2-(3,4-DIMETHOXYPHENYL)-ETHYL]METHYLA-MINO]ETHYL]-3,4-DIMETHOXY-ALPHA-(1-METHY-LETHYL)-BENZENEACETONITRILE MONOHYDROCHLORIDE)
- CAS:1794-55-4
- MF:C26H37ClN2O4
- Structure:
- Chemical Name:N-(5-(Propionyloxy)pentyl Acrylate) rac-trans-Laudanosine Benzenesulfonate
- CAS:155913-32-9
- MF:C38H49NO11S
- Structure:
- Chemical Name:1,8-ditosyl-1,4,8,11-tetraazacyclotetradecane dihydrochloride
- CAS:
- MF:C24H38Cl2N4O4S2
- Structure:
- Chemical Name:Mupirocin iMpurity 5
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Tolvaptan Impurity 11
- CAS:150683-27-5
- MF:C25H23ClN2O3
- Structure:
- Chemical Name:methyl 2-(4-(2-chloroacetyl)phenyl)-2-methylpropanoate
- CAS:1638785-19-9
- MF:C13H15ClO3
- Structure:
- Chemical Name:1155863-81-2
- CAS:1155863-81-2
- MF:C23H19F2N3O6
- Structure:
- Chemical Name:1175018-73-1
- CAS:1175018-73-1
- MF:C12H14ClN
- Structure:
- Chemical Name:tert-butyl (3S,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4- (phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate
- CAS:
- MF:C37H43FN2O5
- Structure:
- Chemical Name:Clopidogrel Impurity 44
- CAS:
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:5-ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,5,6-tetrahydro-2H- benzo[b][1,4]oxazine-5,7-dicarboxylate
- CAS:949155-13-9
- MF:C20H22ClNO5
- Structure:
- Chemical Name:Nifedipine impurity 06
- CAS:
- MF:C19H22N2O6
- Chemical Name:Moxifloxacin Impurity 10
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 11
- CAS:
- MF:
- Chemical Name:Parecoxib Impurity 18
- CAS:
- MF:
- Chemical Name:Apixaban Impurity 34
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 9 DiHCl
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity Z2
- CAS:
- MF:
- Structure:
- Chemical Name:monocalciummono(4-(((2R,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy- 4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate)
- CAS:
- MF:C24H28CaNO5
- Chemical Name:Aprepitant iMpurity 40
- CAS:
- MF:
- Chemical Name:Aprepitant iMpurity43
- CAS:
- MF:
- Structure:
- Chemical Name:1-Propanamine, 3-(diphenylphosphinyl)-N,N-dimethyl-
- CAS:962-95-8
- MF:C17H22NOP
- Chemical Name:Afatinib Impurity ODQ
- CAS:
- MF:
- Chemical Name:Afatinib Impurity ODQ
- CAS:
- MF:
- Structure:
- Chemical Name:Afatinib Impurity QJJ
- CAS:2323570-72-3
- MF:C24H27ClFN5O4
- Structure:
- Chemical Name:Afatinib Impurity QJJ
- CAS:2323570-72-3
- MF:C24H27ClFN5O4
- Structure:
- Chemical Name:Cabozantinib Impurity 50
- CAS:202917-05-3
- MF:C17H14N2O5
- Chemical Name:Landiolol impurity U
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 15
- CAS:
- MF:
- Chemical Name:Nicergoline EP Impurity I
- CAS:
- MF:
- Structure:
- Chemical Name:Carbamic acid, N-[(4-methylphenyl)sulfonyl]-
- CAS:107628-27-3
- MF:C8H9NO4S
- Structure:
- Chemical Name:9H-Purin-6-amine, 9-(2-chloropropyl)-
- CAS:50615-40-2
- MF:C8H10ClN5
- Chemical Name:Hyoscine Butylbromide EP Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Cinacalcet Impurity 38 HCl
- CAS:938177-81-2
- MF:C21H24ClN
- Structure:
- Chemical Name:Norepinephrine Impurity 23
- CAS:1528622-09-4
- MF:C9H13NO3
- Structure:
- Chemical Name:Brexpiprazole Impurity 77
- CAS:1783311-11-4
- MF:C12H14N2S
- Structure:
- Chemical Name:(S)-1-(isopropylamino)-3-(4-(2-methoxyethyl)phenoxy)propan-2-ol
- CAS:114218-35-8
- MF:C15H26ClNO3
- Chemical Name:Recombinant Endo Beta-N-Acetylglucosaminidase (ENGASE)
- CAS:
- MF:
- Structure:
- Chemical Name:1-Pentanone, 1-(2-hydroxy-5-methylphenyl)-
- CAS:150033-77-5
- MF:C12H16O2
- Structure:
- Chemical Name:3-methyl-2-pentylphenol
- CAS:1823068-39-8
- MF:C12H18O
- Structure:
- Chemical Name:PLSQ-001 TM4-QJ
- CAS:1227162-74-4
- MF:C18H24N2O2
- Structure:
- Chemical Name:(2S)-2-(2,5-dioxo-3-propylpyrrolidin-1-yl)butanoic acid
- CAS:2101641-92-1
- MF:C11H17NO4
- Structure:
- Chemical Name:2-Pyridineethanamine, N-methyl-N-[2-(2-pyridinyl)ethyl]-, hydrochloride (1:3)
- CAS:2095467-43-7
- MF:C15H20ClN3
- Structure:
- Chemical Name:(S)-tert-butyl (1-(3-(2-cyanobenzyl)
- CAS:1618644-31-7
- MF:C23H29N5O4
- Structure:
- Chemical Name:(S)-tert-butyl (1-(3-(2-cyanobenzyl)
- CAS:1618644-31-7
- MF:C23H29N5O4
- Structure:
- Chemical Name:Droxidopa Impurity 4
- CAS:55382-14-4
- MF:C31H29NO7
- Chemical Name:(1r,4r)-4-(5,6-dibromo-2-methylquinazolin-3(4H)-yl)cyclohexan-1-ol
- CAS:
- MF:
- Chemical Name:Dapagliflozin Impurity (MW:423Da)
- CAS:
- MF:
- Chemical Name:Ramipril - Isomer Impurity 1
- CAS:
- MF:
- Chemical Name:Aripiprazole peroxide degradation Impurity (MW:480Da)
- CAS:
- MF:
- Chemical Name:Fosinopril Sodium Impurity A (Fosinoprilat)
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 40
- CAS:
- MF:
- Chemical Name:Doxofylline Impurity 15
- CAS:
- MF:
- Chemical Name:Iohexol Impurity 10
- CAS:
- MF:
- Chemical Name:Salbutamol Impurity 40
- CAS:
- MF:
- Chemical Name:Benzylpenicillin EP(CP) Impurity F
- CAS:
- MF: