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:Acetamide, N-[2-hydroxy-3-[4-[[2-(1-methylethoxy)ethoxy]methyl]phenoxy]propyl]-N-(1-methylethyl)-
- CAS:66722-65-4
- MF:C20H33NO5
- Structure:
- Chemical Name:Pyrimidine, 4-bromo-6-(1-bromoethyl)-5-fluoro-
- CAS:1307315-02-1
- MF:C6H5Br2FN2
- Structure:
- Chemical Name:4-(3,4-dichlorophenyl)-N-methyl-3,4-dihydro-2H-naphthalen-1-imine oxide
- CAS:209473-00-7
- MF:C17H15Cl2NO
- Chemical Name:Tazobactam Impurity EBT
- CAS:
- MF:
- Chemical Name:Mixture of Cefoxitin Impurities E&F
- CAS:
- MF:
- Chemical Name:Faropenem Degradation Impurity 4
- CAS:
- MF:
- Chemical Name:7-(2-hydroxy-1,1-dimethoxypropyl)-5H-chromeno[2,3-b]pyridin-5-ol
- CAS:
- MF:
- Chemical Name:2-chloro-1-(5-methoxy-5H-chromeno[2,3-b]pyridin-7-yl)propan-1-one
- CAS:
- MF:
- Structure:
- Chemical Name:Oxacillin Impurity 3
- CAS:21106-64-9
- MF:C19H18ClN3O5S
- Structure:
- Chemical Name:Latanoprost Impurity 3
- CAS:2278245-92-2
- MF:C27H41BrO5
- Structure:
- Chemical Name:Ethyl 2-(2-Iodoethoxy)acetate
- CAS:56703-25-4
- MF:C6H11IO3
- Chemical Name:Butyphthalide impurity 53
- CAS:
- MF:
- Structure:
- Chemical Name:6,8-DIBROMO-3-CYCLOHEXYL-3,4-DIHYDRO-2(1H)-QUINAZOLINONE
- CAS:21237-84-3
- MF:C14H16Br2N2O
- Structure:
- Chemical Name:DESTHIAZOLYLMETHYL RITONAVIR
- CAS:256328-82-2
- MF:C33H43N5O4S
- Structure:
- Chemical Name:S-DIDEMETHYL CITALOPRAM
- CAS:166037-78-1
- MF:C18H17FN2O
- Structure:
- Chemical Name:METHOTREXATE DIMETHYL ESTER
- CAS:34378-65-9
- MF:C22H26N8O5
- Chemical Name:Sugammadex sodium Org199129-1 Impurity
- CAS:
- MF:
- Chemical Name:Sugammadex sodium Impurity 41
- CAS:
- MF:
- Structure:
- Chemical Name:CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE)
- CAS:120202-71-3
- MF:C16H18ClNO6S2
- Structure:
- Chemical Name:TERBUTALINE IMPURITY C
- CAS:139508-58-0
- MF:C12H17NO3
- Structure:
- Chemical Name:3-(4-FLUORO-PHENYL)-1-ISOPROPYL-1H-INDOLE-2-CARBALDEHYDE
- CAS:101125-34-2
- MF:C18H16FNO
- Structure:
- Chemical Name:3,4-DIMETHOXY-2-HYDROXYBENZALDEHYDE
- CAS:19283-70-6
- MF:C9H10O4
- Structure:
- Chemical Name:Apixaban Impurity 51
- CAS:1620494-29-2
- MF:C33H32N4O5
- Structure:
- Chemical Name:4-(5-methyl-2-phenyloxazol-4-yl)benzenesulfonamide
- CAS:2242749-01-3
- MF:C16H14N2O3S
- Chemical Name:Cefazolin Impurity EP-I
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 42
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 55
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 68
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 51
- CAS:
- MF:
- Chemical Name:Doxofylline Impurity 20
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 64
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 58
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity 55
- CAS:
- MF:
- Structure:
- Chemical Name:alpha-(4-chlorophenyl)-alpha-[2-(dimethylamino)ethyl]pyridine-2-acetonitrile
- CAS:65676-21-3
- MF:C17H18ClN3
- Chemical Name:Baloxavir Impurity ABCDEFGHJKL
- CAS:
- MF:
- Structure:
- Chemical Name:INDEX NAME NOT YET ASSIGNED
- CAS:2514724-36-6
- MF:C22H19F2N3
- Structure:
- Chemical Name:scopoline
- CAS:487-27-4
- MF:C8H13NO2
- Structure:
- Chemical Name:N-(1-benzylpiperidin-4-yl)-N-phenylpropionamide
- CAS:1474-02-8
- MF:C21H26N2O
- Chemical Name:Oseltamivir Impurity 106
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 85
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 83
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 75
- CAS:
- MF:
- Structure:
- Chemical Name:[1,1'-bicyclohexyl]-1-carboxylic acid
- CAS:60263-54-9
- MF:C13H22O2
- Structure:
- Chemical Name:3-Pyridinecarboxamide, 5-chloro-N-[4-(4-chloro-2-thienyl)-5-(4-cyclohexyl-1-piperazinyl)-2-thiazolyl]-6-(dimethylamino)-
- CAS:2626934-45-8
- MF:C25H30Cl2N6OS2
- Chemical Name:Dapagliflozin Impurity 49
- CAS:
- MF:
- Structure:
- Chemical Name:11-[3-(dimethylamino)propyl]-6,11-dihydrodibenz[b,e]oxepin-11-ol
- CAS:4504-88-5
- MF:C19H23NO2
- Chemical Name:Avatrombopag Impurity ABCDEFGHJKL
- CAS:
- MF:
- Structure:
- Chemical Name:1-(2-chloroethyl)-3-(dicyclopropylmethyl)urea
- CAS:54187-03-0
- MF:C10H17ClN2O
- Structure:
- Chemical Name:1,3-Dioxane-4-acetic acid, 6-[2-[3-[[[2-[(4R,6R)-6-[2-(1,1-dimethylethoxy)-2-oxoethyl]-2,2-dimethyl-1,3-dioxan-4-yl]ethyl]amino]carbonyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-4-phenyl-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-, 1,1-dimethylethyl ester, (4R,6R)-
- CAS:1229658-18-7
- MF:C48H67FN2O9
- Structure:
- Chemical Name:1H-Pyrrole-1-heptanoic acid, 2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-, 1,1-dimethylethyl ester, (βS,δR)-
- CAS:2588261-38-3
- MF:C37H43FN2O5
- Structure:
- Chemical Name:3-hydroxy-2,4-dimethoxybenzaldehyde
- CAS:32246-34-7
- MF:C9H10O4
- Structure:
- Chemical Name:butyl 3-aminosulphonyl-5-butylamino-4-phenoxybenzoate
- CAS:32643-00-8
- MF:C21H28N2O5S
- Structure:
- Chemical Name:11beta,16alpha,17,21-tetrahydroxypregn-4-ene-3,20-dione
- CAS:1171-81-9
- MF:C21H30O6
- Structure:
- Chemical Name:trans-2-amino-N-(4-hydroxycyclohexyl)benzamide
- CAS:15942-11-7
- MF:C13H18N2O2
- Structure:
- Chemical Name:4-PYRIDIN-4-YL-BUTYRIC ACID
- CAS:102878-73-9
- MF:C9H11NO2
- Structure:
- Chemical Name:4-O-(Carboxymethyl)rifamycin
- CAS:13929-35-6
- MF:C39H49NO14
- Structure:
- Chemical Name:ethyl 3,5-bis(benzyloxy)benzoate
- CAS:50841-46-8
- MF:C23H22O4
- Structure:
- Chemical Name:ethyl (R)-thiazolidine-4-carboxylate
- CAS:60664-15-5
- MF:C6H11NO2S
- Structure:
- Chemical Name:3-((3R,4R)-3-(7H-[4,7'-bipyrrolo[2,3-d]pyrimidin]-4'-yl(methyl) amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile
- CAS:2504210-48-2
- MF:C22H23N9O
- Chemical Name:Faropenem Impurity D
- CAS:
- MF:
- Structure:
- Chemical Name:[2S-(2alpha,5alpha,6alpha)]-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
- CAS:24138-28-1
- MF:C8H10BrNO3S
- Structure:
- Chemical Name:5-nitro-2-furaldehyde (5-nitrofurfurylene)hydrazone
- CAS:736-53-8
- MF:C10H6N4O6
- Structure:
- Chemical Name:4-(benzo[b]thiophen-4-yl)-1,1-bis(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazin-1-ium chloride
- CAS:2454317-16-7
- MF:C38H41N4O4S
- Structure:
- Chemical Name:methyl (R)-thiazolidine-4-carboxylate
- CAS:42258-90-2
- MF:C5H9NO2S
- Structure:
- Chemical Name:Revefenacin Impurity 7
- CAS:1158777-54-8
- MF:C14H19ClN2O3
- Chemical Name:Oxytocin Impurity 8 Trifluoroacetate
- CAS:
- MF:
- Chemical Name:Peramivir Dehydrated Impurity
- CAS:
- MF:
- Chemical Name:Apixaban Impurity 78
- CAS:
- MF:
- Chemical Name:Formoterol Impurity 32
- CAS:
- MF:
- Structure:
- Chemical Name:Desloratadine EP impurity A hcl
- CAS:2250242-44-3
- MF:C19H21Cl2FN2
- Structure:
- Chemical Name:(3S,4S)-Tofacitinib
- CAS:1092578-47-6
- MF:C16H20N6O
- Chemical Name:Rosuvastatin Impurity 145
- CAS:
- MF:
- Chemical Name:Apixaban Impurities 15 Complete Set
- CAS:
- MF:
- Chemical Name:Bumetanide Impurity 23
- CAS:
- MF:
- Chemical Name:Rocuronium Bromide Impurity 34、35、36
- CAS:
- MF:
- Structure:
- Chemical Name:Vinpocetine impurity C
- CAS:70155-05-4
- MF:C23H28N2O3
- Chemical Name:Cloxacillin Impurity X
- CAS:
- MF:
- Chemical Name:1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxamide
- CAS:
- MF:
- Chemical Name:Azilsartan Impurity 107
- CAS:
- MF:
- Chemical Name:Perospirone Impurity 25
- CAS:
- MF:
- Chemical Name:Paxlovid Impurity 16
- CAS:
- MF:
- Chemical Name:3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide
- CAS:
- MF:
- Chemical Name: Fondaparinux sodium impurity 17
- CAS:
- MF:
- Chemical Name:Fondaparinux sodium impurity 12
- CAS:
- MF:
- Chemical Name:Piperacillin impurity L
- CAS:
- MF:
- Chemical Name:Piperacillin Impurity X
- CAS:
- MF:
- Structure:
- Chemical Name:ETHYLTRITYLETHER
- CAS:968-39-8
- MF:C21H20O
- Chemical Name:Bosutinib Impurity 41
- CAS:
- MF:
- Structure:
- Chemical Name:(S)-3-Dimethylamino-3-phenylpropanol
- CAS:82769-75-3
- MF:C11H17NO
- Chemical Name:Valdecoxib N-Oxide
- CAS:
- MF:
- Chemical Name:Olodaterol Impurity 23
- CAS:
- MF:
- Chemical Name: Miglitol Isomer impurities C
- CAS:
- MF:
- Chemical Name:Alpha-D-Methylglucoside
- CAS:
- MF:
- Structure:
- Chemical Name:4-Desacetyl Vincristine
- CAS:3704-01-6
- MF:C44H54N4O9
- Chemical Name: Relugolix Impurity 91
- CAS:
- MF:
- Structure:
- Chemical Name:D,L N-Desmethylvenlafaxine
- CAS:149289-30-5
- MF:C16H25NO2
- Structure:
- Chemical Name:PIVALOYLOXYMETHYL 6-AMINOPENICILANATE
- CAS:25031-08-7
- MF:C14H22N2O5S