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:VerapaMil IMpurity G
- CAS:
- MF:C27H38N2O4
- Structure:
- Chemical Name:EthanediaMide iMpurity D
- CAS:480452-36-6
- MF:C21H30ClN5O5
- Structure:
- Chemical Name:N-(4-(2-Methyl-5,6-dihydro-4H-benzo[b]oxazolo[5,4-d]azepine-6-carbonyl)phenyl)-[1,1'-biphenyl]-2-carboxaMide
- CAS:168626-93-5
- MF:C32H25N3O3
- Structure:
- Chemical Name:1-(4-chlorophenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxaMide
- CAS:
- MF:C24H22ClN5O3
- Structure:
- Chemical Name:Methyl (4-Methylpiperidin-3-yl)carbaMate
- CAS:1204176-45-3
- MF:C8H16N2O2
- Structure:
- Chemical Name:(R)-3-(4-(5-broMo-2-chlorobenzyl)phenoxy)tetrahydrofuran
- CAS:915095-90-8
- MF:C17H16BrClO2
- Structure:
- Chemical Name:(2S,3R,4S,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)Methyl)-4-Methylphenyl)-tetrahydro-6-(hydroxyMethyl)-2-Methoxy-2H-pyran-3,4,5-triol
- CAS:1358581-37-9
- MF:C25H27FO6S
- Structure:
- Chemical Name:Levocarnitine iMpurity
- CAS:6490-20-6
- MF:C7H17ClN2O2
- Structure:
- Chemical Name:3-Hydroxy-4-Methyl-2(5H)-thiophenone
- CAS:34876-35-2
- MF:C5H6O2S
- Structure:
- Chemical Name:(1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-Hexahydro-3,7-diMethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl Ester (2Z)-2-Methyl-2-butenoic Acid
- CAS:1048973-04-1
- MF:C24H34O5
- Structure:
- Chemical Name:(6α)-17,21-Dihydroxy-6-Methylpregna-1,4,9(11)-triene-3,20-dione
- CAS:93269-35-3
- MF:C22H28O4
- Structure:
- Chemical Name:[N(Z)]-N-(3,5-DiMethyl-2(3H)-thiazolylidene)-4-hydroxy-2-Methyl-2H-1,2-benzothiazine-3-carboxaMide 1,1-Dioxide
- CAS:1262333-25-4
- MF:C15H15N3O4S2
- Structure:
- Chemical Name:Quetiapine Impurity E
- CAS:1371638-05-9
- MF:C40H44N6O2S2
- Structure:
- Chemical Name:Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
- CAS:24683-26-9
- MF:C12H13NO5S
- Structure:
- Chemical Name:Sugammadex
- CAS:1378831-29-8
- MF:C6H10O3S2
- Structure:
- Chemical Name:Petunidin 3-O-glucoside
- CAS:71991-88-3
- MF:C22H23O12+
- Structure:
- Chemical Name:1-(2,3-Dihydro-1,4-benzodioxin-2-ylcarbonyl)piperazine hydrochloride
- CAS:70918-74-0
- MF:C13H17ClN2O3
- Structure:
- Chemical Name:[4-[2-[(4-chlorobenzoyl)amino]ethyl]phenyl] 4-chlorobenzoate
- CAS:41859-56-7
- MF:C22H17Cl2NO3
- Structure:
- Chemical Name:(S)-Ethyl 2-((3S,5aS,9aS,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl)pentanoate ,95%
- CAS:129970-98-5
- MF:C19H30N2O4
- Structure:
- Chemical Name:N-(2,4-DICHLORO-5-HYDROXYPHENYL)ACETAMIDE
- CAS:67669-19-6
- MF:C8H7Cl2NO2
- Structure:
- Chemical Name:PEONIN CHLORIDE(SH)
- CAS:132-37-6
- MF:C28H33ClO16
- Structure:
- Chemical Name:METOPROLOL IMPURITY A
- CAS:
- MF:C15H25NO3
- Chemical Name:NICERGOLINE IMPURITY A
- CAS:
- MF:
- Structure:
- Chemical Name:AZITHROMYCIN IMPURITY B
- CAS:307974-61-4
- MF:C38H72N2O11
- Structure:
- Chemical Name:1026009-77-7
- CAS:1026009-77-7
- MF:C20H22N2O
- Structure:
- Chemical Name:α,α,α'',5-Tetramethyl-1,3-benzenediacetonitrile
- CAS:120512-38-1
- MF:C14H16N2
- Structure:
- Chemical Name:α,α,α'',5-Tetramethyl-1,3-benzenediacetonitrile
- CAS:120512-38-1
- MF:C14H16N2
- Structure:
- Chemical Name:Pyrido[4,3-d]pyrimidine-2,4,7(1H,3H,6H)-trione, 1-(3-aminophenyl)-3-cyclopropyl-5-[(2-fluoro-4-iodophenyl)amino]-6,8-dimethyl-
- CAS:871701-87-0
- MF:C24H21FIN5O3
- Chemical Name:Regorafenib Impurity MJ
- CAS:
- MF:
- Chemical Name:Aztreonam Open-Ring Desulfurization Impurity
- CAS:
- MF:
- Chemical Name:Cefixime Polymer Impurity B
- CAS:
- MF:
- Chemical Name:Azlocillin dioxide Impurity
- CAS:
- MF:
- Chemical Name:Azlocillin dioxide Impurity
- CAS:
- MF:
- Chemical Name:7-(2-methoxypropanoyl)-5H-chromeno[2,3-b]pyridin-5-one
- CAS:
- MF:
- Structure:
- Chemical Name:Ibrutinib Impurity 42
- CAS:2031255-24-8
- MF:C25H23N5O3
- Chemical Name:Pramipexole Impurity N
- CAS:
- MF:
- Structure:
- Chemical Name:Hydroxychloroquine Impurity 12 Hydrochloride
- CAS:2411340-31-1
- MF:C18H26ClN3O
- Structure:
- Chemical Name:Verteporfin impurity
- CAS:121310-58-5
- MF:C40H40N4O8
- Chemical Name:Peramivir Impurity 25
- CAS:
- MF:
- Structure:
- Chemical Name:Peramivir Impurity 33
- CAS:2758048-78-9
- MF:C18H34N2O5
- Chemical Name:Imatinib impurity XT
- CAS:
- MF:
- Structure:
- Chemical Name:ethyl 3-acetoxy-2-butenoate
- CAS:29214-62-8
- MF:C8H12O4
- Structure:
- Chemical Name:2-(bromomethyl)-2-(2,4-dichlorophenyl)-1,3-dioxolane-4-methanol
- CAS:68751-57-5
- MF:C11H11BrCl2O3
- 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-1-hydroxy-7,8-dimethoxy-
- CAS:2511244-96-3
- MF:C27H36N2O6
- Chemical Name:Oseltamivir Impurity 91
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 80
- CAS:
- MF:
- Chemical Name:Oseltamivir Impurity 72
- CAS:
- MF:
- Structure:
- Chemical Name:4(1H)-Quinazolinone, 6,8-dibromo-3-cyclohexyl-2,3-dihydro-
- CAS:2512203-87-9
- MF:C14H16Br2N2O
- Structure:
- Chemical Name:Linagliptin impurity KH-3
- CAS:2279114-27-9
- MF:C30H37N7O6
- Structure:
- Chemical Name:3-Azetidineacetic acid, 1-(ethylsulfonyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-, methyl ester
- CAS:2402776-80-9
- MF:C17H20N6O4S
- Structure:
- Chemical Name:11beta,21-dihydroxypregna-1,4,16-triene-3,20-dione 21-acetate
- CAS:3044-42-6
- MF:C23H28O5
- Structure:
- Chemical Name:3-[3-(tert-butylamino)-2-hydroxypropoxy]-4-morpholino-1,2,5-thiadiazole monomaleate
- CAS:57073-55-9
- MF:C17H28N4O7S
- Chemical Name:Ampicillin Impurity U
- CAS:
- MF:
- Chemical Name:Canagliflozin Hydroperoxide Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:(E)-2-hydroxy-4-(phenyldiazenyl)benzoic acid
- CAS:40038-46-8
- MF:C13H10N2O3
- Chemical Name:Sitagliptin EP Impurity 6
- CAS:
- MF:
- Structure:
- Chemical Name:Vonoprazan-005
- CAS:2514735-09-0
- MF:C33H27F3N4
- Structure:
- Chemical Name:D-erythro-Hexonic acid, 6-S-2-benzothiazolyl-2,4-dideoxy-6-thio-, 1,1-dimethylethyl ester
- CAS:1469771-46-7
- MF:C17H23NO4S2
- Structure:
- Chemical Name:Propanoic acid, 2,2-dimethyl-, 2-chloroethyl ester
- CAS:51479-37-9
- MF:C7H13ClO2
- Structure:
- Chemical Name:1-Demethyl Hydroxy Daunomycinone
- CAS:58199-98-7
- MF:C20H16O9
- Structure:
- Chemical Name:(S)-2-(butylsulfonamido)-3-(4-(4-(1-methylpiperidin-4-yl)butoxy)phenyl)propanoic acid
- CAS:1631053-75-2
- MF:C23H38N2O5S
- Structure:
- Chemical Name:FEXOFENADINE EP IMPURITY A - HCl
- CAS:153439-43-1
- MF:C32H38ClNO4
- Structure:
- Chemical Name:2-[(4-Chloro-3-Methyl-2-Pyridinyl-methyl)thio]-1H-Benzimidazole
- CAS:103312-62-5
- MF:C14H12ClN3S
- Structure:
- Chemical Name:Pazufloxacin
- CAS:127046-18-8
- MF:C18H19FN2O4
- Structure:
- Chemical Name:Vinpocetine
- CAS:80038-06-8
- MF:C22H26N2O2
- Chemical Name:7-(but-2-yn-1-yl)-8-(3-(hydroxyimino)piperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione
- CAS:1297273-94-9
- MF:
- Chemical Name:Isavuconazole Impurity 35
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity 26 HCl
- CAS:
- MF:
- Chemical Name:Brivaracet amoxidation Impurity 1
- CAS:
- MF:
- Chemical Name:Rosuvastatin EP Impurity G Complete Set
- CAS:
- MF:
- Chemical Name:Bortezomib Impurity G Complete Set
- CAS:
- MF:
- Chemical Name:Peramivir Diacetyl Impurity
- CAS:
- MF:
- Chemical Name:Peramivir Chlorisomeric Impurity
- CAS:
- MF:
- Chemical Name:Canagliflozin impurities 15 drops
- CAS:
- MF:
- Chemical Name:Pemetrexed Impurities 41-45
- CAS:
- MF:
- Chemical Name:Pemetrexed Disodium EP Impurity 999
- CAS:
- MF:
- Chemical Name:Bumetanide Impurity 999
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 998
- CAS:
- MF:
- Chemical Name:N,N-dimethyl-1,4,8,11-tetraazacyclotetradecane-1-sulfonamide
- CAS:
- MF:
- Chemical Name:Tamsulosin EP Impurity C (Desethoxy Tamsulosin)
- CAS:
- MF:
- Chemical Name:Itropopa Impurity 17
- CAS:
- MF:
- Chemical Name:Cefazolin Epimer Cefazolin Impuirty M (USP), Cefazolin Impurity L (EP)
- CAS:
- MF:
- Structure:
- Chemical Name:Relugolix Impurity 66
- CAS:2591260-06-7
- MF:C25H24F2N2O6S
- Chemical Name:methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-3- oxopropanoate
- CAS:
- MF:
- Chemical Name:L-Proline, 5-oxo-, compd. with chitosan
- CAS:117522-93-7
- MF:
- Structure:
- Chemical Name:Dotinurad Impurity 22
- CAS:2142685-21-8
- MF:C15H14N2S2
- Chemical Name:Capecitabine Related Compound B
- CAS:
- MF:
- Structure:
- Chemical Name:D-erythro-3,4-Dihydroxyphenylserine
- CAS:51829-98-2
- MF:C9H11NO5
- Structure:
- Chemical Name:aztreonam
- CAS:80951-91-3
- MF:C13H17N5O8S2
- Structure:
- Chemical Name:5H-[1]Benzopyrano[2,3-b]pyridine,7-ethyl-(9CI)
- CAS:639857-68-4
- MF:C14H13NO
- Structure:
- Chemical Name:[1,1-Biphenyl]-2,2,4,4,5,5-hexol(9CI)
- CAS:76625-61-1
- MF:C12H10O6
- Structure:
- Chemical Name:digoxigenin-mono(digitoxoside)
- CAS:5352-63-6
- MF:C29H44O8
- Structure:
- Chemical Name:W 36017
- CAS:21236-54-4
- MF:C12H18N2O
- Structure:
- Chemical Name:ONO EI-601
- CAS:155023-59-9
- MF:C15H14N2O6S
- Structure:
- Chemical Name:norchlorpromazine
- CAS:1225-64-5
- MF:C16H17ClN2S
- Structure:
- Chemical Name:ETHYLISOPROPYLNITROSAMINE
- CAS:16339-04-1
- MF:C5H12N2O
- Structure:
- Chemical Name:1,3,5,7-Tetrmethyl-adamantane
- CAS:1687-36-1
- MF:C14H24
- Structure:
- Chemical Name:4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one
- CAS:34523-34-7
- MF:C8H9NO2