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:1-NaphthaleneacetaMide, 1,2,3,4-tetrahydro-7-Methoxy-
- CAS:92041-01-5
- MF:C13H17NO2
- Structure:
- Chemical Name:DO2A
- CAS:112193-75-6
- MF:C12H24N4O4
- Structure:
- Chemical Name:7-ethyl-5H-chroMeno[2,3-b]pyridin-5-one
- CAS:53944-31-3
- MF:C14H11NO2
- Structure:
- Chemical Name:2-Methyl-10H-thieno[2,3-b][1,5]benzodiazepin-4-aMine
- CAS:612503-08-9
- MF:C12H11N3S
- Chemical Name:IMp. A (EP): 8-Chloro-5,10-dihydro-11H-dibenzo[b,e][1,4]diazepin-11-one
- CAS:
- MF:
- Chemical Name:IMp. C (EP): 8-Chloro-11-(piperazin-1-yl)-5H- dibenzo[b,e][1,4]diazepine
- CAS:
- MF:
- Structure:
- Chemical Name:21-Dehydro-16α-hydroxy Prednisolone
- CAS:1188271-73-9
- MF:C21H26O6
- Structure:
- Chemical Name:(6α,11β)-11,20-Dihydroxy-6-Methyl-3-oxopregna-1,4,17(20)-trien-21-al
- CAS:1338549-02-2
- MF:C22H28O4
- Structure:
- Chemical Name:(1R)-2-chloro-1-(3,4-difluorophenyl)-1-ethanol
- CAS:1212376-05-0
- MF:C8H7ClF2O
- Structure:
- Chemical Name:2-[[(3aR,4S,6R,6aS)-6-[7-Chloro-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]-ethanol
- CAS:376608-75-2
- MF:C17H24ClN5O4S
- Structure:
- Chemical Name:Fluconazole IMpurity F
- CAS:
- MF:C13H12F2N6O
- Structure:
- Chemical Name:Erlotinib IMpurity A
- CAS:1058132-82-3
- MF:C22H25N3O4
- Chemical Name:Apixaban iMpurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:cefaclor iMpurity C
- CAS:143059-69-2
- MF:C15H14ClN3O4S
- Chemical Name:ceftazidiMe iMpurity B
- CAS:1236700-64-3
- MF:
- Structure:
- Chemical Name:pidotiMod iMpurity D
- CAS:162148-15-4
- MF:C9H12N2O4S
- Structure:
- Chemical Name:Irinotecan Hydroxyl Acid
- CAS:142677-15-4
- MF:C22H22N2O6
- Structure:
- Chemical Name:CyclopropanaMine, 2-(4-fluorophenyl)-(hydrochloride)(1:1),(1R,2S)-
- CAS:1314324-00-9
- MF:C9H11ClFN
- Structure:
- Chemical Name:(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)aMino)-5-(propylsulfinyl)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol
- CAS:1644461-85-7
- MF:C23H28F2N6O5S
- Chemical Name:AtracuriuM IMpurity C (Mixture of DiastereoMers)
- CAS:86293-35-8
- MF:
- Chemical Name:AtracuriuM IMpurity E (cis-Quaternary Acid)
- CAS:
- MF:
- Chemical Name:AztreonaM IMpurity B
- CAS:
- MF:
- Chemical Name:Ceftriaxone IMpurit E
- CAS:
- MF:
- Structure:
- Chemical Name:Cetirizine IMpurity-6
- CAS:
- MF:C21H25ClN2O3
- Structure:
- Chemical Name:Cinacalcet IMpurity 10
- CAS:1809324-40-0
- MF:C29H28F3NO2S
- Chemical Name:Dasatinib IMpurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Diacerein IMpurity F
- CAS:13928-72-8
- MF:C35H36O16
- Structure:
- Chemical Name:D-Valganciclovir Hydrochloride
- CAS:1393911-57-3
- MF:C14H23ClN6O5
- Chemical Name:Entecavir IMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:EzetiMibe IMpurity 1
- CAS:190595-66-5
- MF:C24H22FNO3
- Structure:
- Chemical Name:Flurbiprofen IMpurity B
- CAS:1797883-74-9
- MF:C18H17FO4
- Chemical Name:IMatinib DiPiperidine IMpurity
- CAS:
- MF:
- Chemical Name:levocetirizine IMpurity
- CAS:
- MF:
- Chemical Name:OseltaMivir IMpurity F
- CAS:
- MF:
- Chemical Name:RocuroniuM BroMide IMpurity 19
- CAS:
- MF:
- Structure:
- Chemical Name:S-(+)-O-DesMethyl-Venlafaxine-d6
- CAS:1062609-99-7
- MF:C16H25NO2
- Structure:
- Chemical Name:SalMeterol IMpurity F
- CAS:
- MF:C25H37NO4
- Structure:
- Chemical Name:Sitagliptin Defuoro IMpurity 4
- CAS:486459-98-7
- MF:C15H19F2NO4
- Chemical Name:Sulpiride IMpurity F
- CAS:
- MF:
- Structure:
- Chemical Name:trans-Ibuprofen IMpurity G
- CAS:1391054-15-1
- MF:C26H32O4
- Structure:
- Chemical Name:EthanediaMide iMpurity F
- CAS:480452-37-7
- MF:C16H22ClN5O3
- Chemical Name:Paroxetine IMpurity
- CAS:105813-23-8
- MF:
- Structure:
- Chemical Name:7-[(2-aMinoethyl)aMino] -1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
- CAS:
- MF:C14H16FN3O3
- Structure:
- Chemical Name:(S)-(1R,3s,5S)-8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl 3-hydroxy-2-phenylpropanoate
- CAS:61616-97-5
- MF:C17H21NO3
- Structure:
- Chemical Name:3,4-Dihydro-7-(4-chlorobutoxy)-2(1H)-quinolinone
- CAS:120004-79-7
- MF:C13H16ClNO2
- Chemical Name:Sugammadex sodium Impurity 46
- CAS:
- MF:
- Chemical Name:Tenofovir Impurity 103
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 44
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 40
- CAS:
- MF:
- Chemical Name:Cabozantinib impurity 74
- CAS:
- MF:
- Chemical Name:5-hydroxy-N,1,2-trimethyl-1H-indole-3-carboxamide
- CAS:
- MF:
- Chemical Name:Doxofylline Impurity 25
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 62
- CAS:
- MF:
- Chemical Name:Dapoxetine impurity 56
- CAS:
- MF:
- Structure:
- Chemical Name:alpha-(Dimethylaminomethyl)-alpha-ethylbenzyl alcohol hydrochloride
- CAS:104743-23-9
- MF:C12H20ClNO
- Structure:
- Chemical Name:N-[6,9-Dihydro-6-oxo-9-[[2-(1-oxopropoxy)-1-[(1-oxopropoxy)methyl]ethoxy]methyl]-1H-purin-2-yl]propanamide
- CAS:177216-32-9
- MF:C18H25N5O7
- Structure:
- Chemical Name:5-Bromo-1-(4-fluorophenyl)-1,3-dihydro-N,N-dimethyl-1-isobenzofuranpropanamine ethanedioate (1:1)
- CAS:64372-43-6
- MF:C21H23BrFNO5
- Structure:
- Chemical Name:(E)-2-Methyl-4-(4-(2-Methyl-5,10-dihydro-4H-benzo[b]thieno[2,3-e][1,4]diazepin-4-yl)piperazin-1-yl)-10H-benzo[b]thieno[2,3-e][1,4]diazepine
- CAS:1070876-09-3
- MF:C28H26N6S2
- Structure:
- Chemical Name:(1S,2S,3R,5S)-PinanediolN-BOC-L-phenylalanine-L-leucine boronate
- CAS:1187479-72-6
- MF:C29H45BN2O5
- Structure:
- Chemical Name:Posaconazole iMpurity 7
- CAS:2180759-84-4
- MF:C37H42F2N8O4
- Structure:
- Chemical Name:Intedanib Impurity
- CAS:2243396-74-7
- MF:C31H32N6O6
- Structure:
- Chemical Name:CHLORHEXIDENE DIACETATE IMPURITY A
- CAS:152504-08-0
- MF:C16H24ClN9
- Chemical Name:Ipragliflozin Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Ibrutinib Impurity 27
- CAS:2031255-26-0
- MF:C26H28N6O3
- Structure:
- Chemical Name:Clopidogrel Impurity 59
- CAS:1122047-98-6
- MF:C25H26ClNO6S
- Chemical Name:Ozagrel Impurity B
- CAS:
- MF:
- Chemical Name:Ceftriaxone Sodium impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-5-(2-fluoro-3-methoxyphenyl)-1-(2-fluoro-6-(trifluoromethyl)benzyl)-6-methyl-3-(2-(2-oxopyrrolidin-1-yl)-2-phenylethyl)pyrimidine-2,4(1H,3H)-dione
- CAS:2248628-93-3
- MF:C32H28F5N3O4
- Structure:
- Chemical Name:Famotidine EP Impurity I HCl
- CAS:
- MF:C8H15N7O2S3
- Structure:
- Chemical Name:Tizanidine EP Impurity C
- CAS:1147548-83-1
- MF:C16H14Cl2N10S2
- Chemical Name:nicergoline impurity Q
- CAS:
- MF:
- Structure:
- Chemical Name:Loratadine Impurity 19
- CAS:79779-58-1
- MF:C22H24N2O2
- Structure:
- Chemical Name:(Z)-2-chloro-3-hydroxyacrylaldehyde
- CAS:50704-42-2
- MF:C3H3ClO2
- Chemical Name:Ticagrelor Related Compound 39
- CAS:
- MF:
- Chemical Name:Erlotinib Impurity 32
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity 36
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 3
- CAS:
- MF:
- Chemical Name:Erlotinib Hydrochloride iMpurity 52
- CAS:
- MF:
- Structure:
- Chemical Name:Ornidazole Impurity J
- CAS:742020-47-9
- MF:C7H12N4O3
- Structure:
- Chemical Name:Daidzein-4′-glucoside
- CAS:58970-69-7
- MF:C21H20O9
- Chemical Name:AZITHROMYCIN IMPURITY A
- CAS:
- MF:
- Structure:
- Chemical Name:2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-5-hydroxy-7,8-dimethoxy-
- CAS:2253977-80-7
- MF:C27H36N2O6
- Structure:
- Chemical Name:Benzeneacetic acid, 3-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethyl-, methyl ester
- CAS:1187954-56-8
- MF:C33H41NO4
- Structure:
- Chemical Name:N-[2-(methylthio)ethyl]-2-[(3,3,3-trifluoropropyl)thio]-Adenosine 5''-(hydrogen P-1H-imidazol-1-ylphosphonate)
- CAS:1054332-15-8
- MF:C19H25F3N7O6PS2
- Structure:
- Chemical Name:N-[5-(4-Bromophenyl)-6-[2-(2-pyrimidinyloxy)ethoxy]-4-pyrimidinyl]-N''-propyl-sulfamide
- CAS:2211059-00-4
- MF:C19H21BrN6O4S
- Chemical Name:Isomer 1 of Tazobactam Impurity 3
- CAS:
- MF:
- Chemical Name:Ceftiofur USP Impurity I
- CAS:
- MF:
- Chemical Name:Cephalexin Degradation Impurity A
- CAS:
- MF:
- Chemical Name:Azlocillin Impurity 8
- CAS:
- MF:
- Chemical Name:Pregabalin-8687（mixture of 4 isomers）
- CAS:
- MF:
- Chemical Name:7-(2-chloropropanoyl)-5H-chromeno[2,3-b]pyridin-5-one
- CAS:
- MF:
- Chemical Name:1-(5H-chromeno[2,3-b]pyridin-7-yl)-2-methoxypropan-1-one
- CAS:
- MF:
- Structure:
- Chemical Name:Dolutegravir Impurity C
- CAS:1802141-49-6
- MF:C22H23F2N3O5
- Structure:
- Chemical Name:Adefovir Dipivoxil Impurity 24
- CAS:116384-58-8
- MF:C14H23O7PS
- Structure:
- Chemical Name:Dapoxetine Impurity 68
- CAS:119357-48-1
- MF:C19H18O
- Structure:
- Chemical Name:Tobramycin Impurity
- CAS:74501-86-3
- MF:C18H35N5O8
- Chemical Name:Peramivir Impurity 24
- CAS:
- MF:
- Structure:
- Chemical Name:2-CHLORO-6-AMINO-9-(2',3',5'-TRI-O-ACETYL--D-RIBOFURANOSYL)PURINE
- CAS:79999-39-6
- MF:C16H18ClN5O7