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:Methyl 2-CarbaMoylbenzoate
- CAS:90564-02-6
- MF:C9H9NO3
- Structure:
- Chemical Name:3-vinylphenyl ethyl(Methyl)-carbaMate
- CAS:1346602-84-3
- MF:C12H15NO2
- Structure:
- Chemical Name:AMisulpride IMpurity D
- CAS:71676-00-1
- MF:C16H25N3O4S
- Chemical Name:AFuroseMide IMp. A (EP)
- CAS:
- MF:
- Structure:
- Chemical Name:(1R)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic acid ethyl ester
- CAS:180468-41-1
- MF:C18H19NO2
- Structure:
- Chemical Name:2-[4-[(RS)-(4-Chlorophenyl)phenylMethyl]-piperazin-1-yl]ethanolDihydrochloride
- CAS:
- MF:C19H25Cl3N2O
- Structure:
- Chemical Name:CAPECITABINE related substance USP
- CAS:1262133-68-5
- MF:C20H30FN3O9
- Structure:
- Chemical Name:4-AMino-N-[(1-ethyl-2-pyrrolidinyl)Methyl]-5-(ethylsulfonyl)- 2-MethoxybenzaMide N-Oxide
- CAS:71676-01-2
- MF:C17H27N3O5S
- Structure:
- Chemical Name:3-[(4-AMino-2-Methyl-5-pyriMidinyl)Methyl]-4-Methyl-5-[2-(sulfooxy)ethyl]thiazoliuM Inner Salt
- CAS:2380-61-2
- MF:C12H16N4O4S2
- Structure:
- Chemical Name:1,4-Bis-[4-[4-Methyl-3-[[4-(pyridin-3-yl)pyriMidin-2-yl]aMino]phenyl]carbaMoyl]benzylpiperazine
- CAS:1365802-18-1
- MF:C52H48N12O2
- Structure:
- Chemical Name:[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0
- CAS:79750-46-2
- MF:C16H17N3O4S
- Structure:
- Chemical Name:SalMeterol EP IMpurity D
- CAS:1391052-04-2
- MF:C34H47NO7
- Structure:
- Chemical Name:3-Pyridinecarboxylic Acid 2-AMinoethyl Ester Dihydrochloride
- CAS:87330-70-9
- MF:C8H11ClN2O2
- Structure:
- Chemical Name:3-cyclopropyl-1-(2-fluoro-4-iodophenyl)-5-hydroxy-6,8-diMethylpyrido[2,3-d]pyriMidine-2,4,7(1H,3H,8H)-trione
- CAS:871700-24-2
- MF:C18H15FIN3O4
- Structure:
- Chemical Name:PeMetrexed EP IMpurity D
- CAS:144051-68-3
- MF:C25H28N6O9
- Structure:
- Chemical Name:SuMatriptan EP IMpurity F
- CAS:2074615-63-5
- MF:C13H17N3O2S
- Structure:
- Chemical Name:2-[[(5-hydroxy-1H-benziMidazol-2-yl)sulfinyl]Methyl]-3,5-diMethyl-1-4(1H)-pyridone
- CAS:
- MF:C15H15N3O3S
- Structure:
- Chemical Name:Perindopril Impurity
- CAS:145513-56-0
- MF:C19H32N2O5
- Structure:
- Chemical Name:4-Acetoxyisophthalic Acid
- CAS:5985-26-2
- MF:C10H8O6
- Structure:
- Chemical Name:Ganciclovir Dipropionate
- CAS:86357-20-2
- MF:C15H21N5O6
- Structure:
- Chemical Name:IMp. A (EP): (RS)-2-Chloro-N-(2-Methylphenyl)-PropanaMide
- CAS:39084-88-3
- MF:C10H11Cl2NO
- Structure:
- Chemical Name:1β-Hydroxy-6α-Methyl-1,4-androstadiene-3,17-dione
- CAS:61919-52-6
- MF:C20H26O3
- Structure:
- Chemical Name:5-Fluoro ent-LaMivudine Acid D-Menthol Ester
- CAS:764659-79-2
- MF:C18H26FN3O4S
- Structure:
- Chemical Name:Tricyclo[3.3.1.13,7]decan-1-aMine, 3,5,7-triMethyl-, hydrochloride
- CAS:15210-60-3
- MF:C13H24ClN
- Structure:
- Chemical Name:3-((butyryloxy)Methyl) 5-Methyl 4-(2',3'-dichlorophenyl)-2,6-diMethylpyridine-3,5-dicarboxylate
- CAS:188649-48-1
- MF:C21H21Cl2NO6
- Structure:
- Chemical Name:Bis Valacyclovir (~90%)
- CAS:1356019-51-6
- MF:C27H40N12O8
- Structure:
- Chemical Name:Flupirtine DiMer
- CAS:1417916-52-9
- MF:C30H32F2N8O4
- Structure:
- Chemical Name:(S)-2-((R)-1-(3,5-bis(trifluoroMethyl)phenyl)ethoxy)-4-benzylMorpholin-3-one
- CAS:327623-36-9
- MF:C21H19F6NO3
- Structure:
- Chemical Name:3-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonaMide
- CAS:2304623-36-5
- MF:C16H14N2O3S
- Structure:
- Chemical Name:(S)-2-(3,4-Difluorophenyl)oxirane
- CAS:1006376-63-1
- MF:C8H6F2O
- Structure:
- Chemical Name:EsoMeprazole iMpurity
- CAS:1424857-86-2
- MF:C11H15NO3
- Structure:
- Chemical Name:AMoxicillin iMpurity L
- CAS:
- MF:C16H19N3O5S
- Structure:
- Chemical Name:AMoxicillin iMpurity L
- CAS:
- MF:C16H19N3O5S
- Chemical Name:Azilsartan iMpurity G
- CAS:
- MF:
- Structure:
- Chemical Name:(R)-N-(1-(naphthalen-1-yl)ethyl)-3-(M-tolyl)propan-1-aMine
- CAS:253337-60-9
- MF:C22H25N
- Structure:
- Chemical Name:3-((3R,4R)-4-Methyl-3-(Methyl(7H-pyrrolo[2,3-d]pyriMidin-4-yl)aMino)piperidin-1-yl)-3-oxopropanaMide
- CAS:1675248-19-7
- MF:C16H22N6O2
- Structure:
- Chemical Name:Blonanserin iMpurity
- CAS:132810-83-4
- MF:C23H30FN3
- Structure:
- Chemical Name:Deferasirox iMpurity
- CAS:1688656-83-8
- MF:C42H28N6O8S
- Structure:
- Chemical Name:Lercanidipine iMpurity
- CAS:320750-19-4
- MF:C37H43N3O6
- Structure:
- Chemical Name:AMpicillin EP IMpurity J
- CAS:6489-58-3
- MF:C13H20N2O4S
- Structure:
- Chemical Name:Anastrozole IMpurity (alfa1 , alfa1, alfa3, alfa3-TetraMethyl-5-(1H-1,2,4-triazol-1-ylMethyl)-1,3-BenzenediacetaMide)
- CAS:120512-04-1
- MF:C17H23N5O2
- Structure:
- Chemical Name:Anastrozole IMpurity (alfa1 , alfa1, alfa3, alfa3-TetraMethyl-5-(1H-1,2,4-triazol-1-ylMethyl)-1,3-BenzenediacetaMide)
- CAS:120512-04-1
- MF:C17H23N5O2
- Structure:
- Chemical Name:CefathiaMidine Lactone
- CAS:905712-22-3
- MF:C17H24N4O4S2
- Structure:
- Chemical Name:Cinacalcet IMpurity 9
- CAS:802918-36-1
- MF:C22H24F3N
- Structure:
- Chemical Name:Doxorubicin IMpurity B
- CAS:106401-68-7
- MF:C29H34BrNO11
- Chemical Name:EzetiMibe IMpurity B
- CAS:
- MF:
- Structure:
- Chemical Name:Fluconazole IMpurity [1, 3-Bis(1H-1, 2, 4-Triazole-1-yl)propan-2-one]
- CAS:1449785-88-9
- MF:C10H7F2N3O
- Structure:
- Chemical Name:HydroxyMethylidene thione
- CAS:1320360-86-8
- MF:C15H18N4OS
- Chemical Name:Lansoprazole IMpurity I
- CAS:
- MF:
- Structure:
- Chemical Name:Lapatinib IMpurity 10
- CAS:1152131-73-1
- MF:C26H17ClFN3O4
- Chemical Name:Metronidazole IMpurity D
- CAS:
- MF:
- Structure:
- Chemical Name:tert-butyl 4-(6-((6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate
- CAS:1651214-74-2
- MF:C29H37N7O4
- Structure:
- Chemical Name:Prasugrel Impurity 4 HCl
- CAS:1618107-96-2
- MF:C20H22Cl2FNO3S
- Chemical Name:Tofacitinib Impurity K
- CAS:
- MF:
- Structure:
- Chemical Name:N-(3-chloro-4-fluorophenyl)-7 -methoxy-6-(3-morpholinopropoxy)-N-(3-morpholinopropyl)quinazolin-4-amine
- CAS:1502829-45-9
- MF:C29H37ClFN5O4
- Structure:
- Chemical Name:5-(hydroxymethyl)-1,2-dihydro-1,2,4-triazol-3-one
- CAS:24021-90-7
- MF:C3H5N3O2
- Structure:
- Chemical Name:( 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}acetic acid tert-butylester )
- CAS:475084-96-9
- MF:C29H37N3O3
- Structure:
- Chemical Name:N-(4-Hydroxymethylbenzyl) Cyclam
- CAS:176252-20-3
- MF:C18H32N4O
- Chemical Name:Alvimopan Impurity 3
- CAS:
- MF:
- Chemical Name:Nicergoline Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Isavuconazole Impurity 1
- CAS:2069200-13-9
- MF:C13H12F2N4O
- Chemical Name:Sofosbuvir Impurity23
- CAS:
- MF:
- Chemical Name:Tacrolimus Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:Bisoprolol EP Impurity F
- CAS:1798418-82-2
- MF:C18H31NO4
- Structure:
- Chemical Name:Pantoprazole EP Impurity F
- CAS:721924-06-7
- MF:C17H17F2N3O4S
- Chemical Name:Rosuvastatin EP Impurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Tiotropium EP Impurity C
- CAS:136310-95-7
- MF:C19H22BrNO3S2
- Structure:
- Chemical Name:Eliglustat intermediate 4
- CAS:491833-27-3
- MF:C23H30N2O4
- Structure:
- Chemical Name:2-[(4-Acetylphenyl)methyl]cyclopentan-1-one
- CAS:96824-28-1
- MF:C14H16O2
- Structure:
- Chemical Name:Dapoxetine Impurity 1
- CAS:119357-22-1
- MF:C22H25NO
- Chemical Name:Mirabegron Impurity 5
- CAS:
- MF:
- Chemical Name:Milrinone Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Solifenacin Related Compound 20
- CAS:1300713-32-9
- MF:C17H17NO
- Structure:
- Chemical Name:Cefuroxime Impurity 2
- CAS:
- MF:C16H16N4O8S
- Chemical Name:Cefoxitin Impurity 1
- CAS:
- MF:
- Chemical Name:Cefazolin Impurity 1
- CAS:
- MF:
- Structure:
- Chemical Name:Umeclidinium Bromide Impurity 8
- CAS:869113-10-0
- MF:C27H30BrNO
- Chemical Name:Nifuratel impurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Valsartan Impurity 14
- CAS:
- MF:C24H29N5O3
- Chemical Name:Istradefylline Impurity 4
- CAS:
- MF:
- Chemical Name:Zolmitriptan Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Atazanavir Impurity 6
- CAS:1006868-81-0
- MF:C32H42N4O5
- Structure:
- Chemical Name:Palbociclib Impurity 9
- CAS:2204368-66-9
- MF:C24H29N7O2
- Structure:
- Chemical Name:Solifenacin Impurity 1
- CAS:1353274-25-5
- MF:C19H21NO2
- Chemical Name:Vildagliptin Methyl Ester
- CAS:
- MF:
- Chemical Name:Flucloxacillin Impurity B
- CAS:
- MF:
- Chemical Name:Ropinirole impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Mupirocin iMpurity B
- CAS:
- MF:C26H44O9
- Chemical Name:Nicorandil Impurity 2
- CAS:
- MF:
- Chemical Name:Piperacillin Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Defluoro Paroxetine Hydrochloride
- CAS:1394842-91-1
- MF:
- Chemical Name:Afatinib Impurity 15
- CAS:
- MF:
- Structure:
- Chemical Name:Milnacipran Impurity 11
- CAS:1410831-12-7
- MF:C11H10O2
- Chemical Name:Mirabegron Impurity 18
- CAS:
- MF:
- Structure:
- Chemical Name:Atorvastatin lactone
- CAS:125995-03-1
- MF:C33H33FN2O4
- Structure:
- Chemical Name:Prucalopride Impurity F
- CAS:1900715-98-1
- MF:C18H26ClN3O4
- Structure:
- Chemical Name:tert-butyl (R)-3-(hydroxymethyl)hexanoate
- CAS:1928755-17-2
- MF:C11H22O3
- Structure:
- Chemical Name:Alfuzosin
- CAS:19216-53-6
- MF:C12H16N4O2
- Structure:
- Chemical Name:Alfuzosin
- CAS:19216-53-6
- MF:C12H16N4O2
- Structure:
- Chemical Name:4-[[3-Chloro-4-(2-pyridinylmethoxy)phenyl]amino]-7-ethoxy-6-[(1-methyl-2-pyrrolidinylidene)amino]-3-quinolinecarbonitrile
- CAS:1144516-21-1
- MF:C29H27ClN6O2