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
- Chemical Name:
- Fondaparinux sodium impurity 15
- Chemical Name:
- Fondaparinux Sodium Impurity 10
- Chemical Name:
- Oxacillin sodium Impurity E
- Chemical Name:
- ltrombopag Impurity 26
- Chemical Name:
- Revefenacin Impurity 19
- Chemical Name:
- Caspofungin Impurity 11
- Chemical Name:
- Miglitol Isomer ImpurityA
- Chemical Name:
- Olodaterol Impurity 33
- Structure:
- Chemical Name:
- (1R,4S)-N-Desmethyl Sertraline Hydrochloride
- CAS:
- 675126-08-6
- MF:
- C16H15Cl2N.ClH
- Structure:
- Chemical Name:
- 3-(4-Formylaminobutyryl)pyridine
- CAS:
- 887355-56-8
- MF:
- C10H12N2O2
- Structure:
- Chemical Name:
- Didesmethyl Erlotinib Hydrochloride Salt
- CAS:
- 183320-12-9
- MF:
- C20H20ClN3O4
- Structure:
- Chemical Name:
- DESVENLAFAXINE SUCCINATE
- CAS:
- 448904-47-0
- MF:
- C20H31NO6
- Structure:
- Chemical Name:
- Desloratadine IMpurity B
- CAS:
- 117796-50-6
- MF:
- C19H19BrN2
- Chemical Name:
- Itraconazole IMpurity B
- Structure:
- Chemical Name:
- Benzene, 1-(3-chloropropyl)-3-(trifluoroMethyl)-
- CAS:
- 82258-76-2
- MF:
- C10H10ClF3
- Structure:
- Chemical Name:
- N-Methyl-N-((3S,4S)-4-Methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyriMidin-4-aMine
- CAS:
- 1260614-73-0
- MF:
- C13H19N5
- Structure:
- Chemical Name:
- 2-(5-oxo-5H-chroMeno[2,3-b]pyridin-7-yl)propanoic acid
- CAS:
- 52549-19-6
- MF:
- C15H11NO4
- Structure:
- Chemical Name:
- 1H-BenziMidazole, 2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]Methyl]sulfinyl]-1-(2,2,2-trifluoroethyl)-
- CAS:
- 1187926-84-6
- MF:
- C18H15F6N3O2S
- Structure:
- Chemical Name:
- 4,5-dihydro-a-(hydroxyMethyl)-a,3-diMethyl-5-oxo-1-phenyl-1H-Pyrazole-4-Methanesulfonic acid
- CAS:
- 1242471-40-4
- MF:
- C13H16N2O5S
- Structure:
- Chemical Name:
- 16α,17-[(1RS)-Butylidenebis(oxy)]-11β-hydroxy-17-(hydroxyMethyl)-D-hoMoandrosta-1,4-diene-3,17a-dione (Mixture of DiastereoMers)
- CAS:
- 1040085-99-1
- MF:
- C25H34O6
- Structure:
- Chemical Name:
- 2-BroMo-1-cyclopropyl-2-(3-fluorophenyl)ethanone
- CAS:
- 1359829-72-3
- MF:
- C11H10BrFO
- Structure:
- Chemical Name:
- N-((4-(5-Methyl-3-phenylisoxazol-4-yl)phenyl)sulfonyl)acetaMide
- CAS:
- 198471-06-6
- MF:
- C18H16N2O4S
- Structure:
- Chemical Name:
- N-((S)-1-(((S)-1-Hydroxy-3-Methylbutyl)aMino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxaMide
- CAS:
- 289472-81-7
- MF:
- C19H24N4O3
- Structure:
- Chemical Name:
- (Z)-N-(2-nitrovinyl)acetaMide
- CAS:
- 1238305-24-2
- MF:
- C4H6N2O3
- Structure:
- Chemical Name:
- Azilsartan iMpurity
- CAS:
- 1604812-35-2
- MF:
- C35H28N4O11
- Structure:
- Chemical Name:
- Azilsartan iMpurity N
- CAS:
- 2244031-86-3
- MF:
- C22H17N3O4
- Chemical Name:
- cefoxitin iMpurity B
- Chemical Name:
- pidotiMod iMpurity A
- Structure:
- Chemical Name:
- Rivaroxaban iMpurity A
- CAS:
- 931204-39-6
- MF:
- C19H20ClN3O6S
- Structure:
- Chemical Name:
- R-7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-Methyl-10-(4-Methyl-1-piperazinyl)-7-oxo- Methyl ester
- CAS:
- 1268719-66-9
- MF:
- C19H22FN3O4
- Structure:
- Chemical Name:
- Ticagrelor Sulfone
- CAS:
- 274693-39-9
- MF:
- C23H28F2N6O6S
- Structure:
- Chemical Name:
- 2-(((3aR,4S,6R,6aS)-6-(7-aMino-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyriMidin-3-yl)-2,2-diMethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethanol
- CAS:
- 1858267-99-8
- MF:
- C17H26N6O4S
- Structure:
- Chemical Name:
- (2R,3R)-2-[(1R)-1-[3,5-Bis(trifluoroMethyl)phenyl]ethoxy]-3-(4-fluorophenyl)Morpholine
- CAS:
- 380499-06-9
- MF:
- C20H18F7NO2
- Structure:
- Chemical Name:
- Adefovir iMpurity
- CAS:
- 1875153-79-9
- MF:
- C15H24N5O6P
- Chemical Name:
- Anastrozole iMpurity
- Chemical Name:
- LevosiMendan iMpurity
- CAS:
- 139052-02-1
- Structure:
- Chemical Name:
- (Z)-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-2-oxo-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylic acid
- CAS:
- 1174733-90-4
- MF:
- C10H14N4O6
- Structure:
- Chemical Name:
- rac Cinacalcet HCl
- CAS:
- 1025064-33-8
- MF:
- C22H22F3N
- Chemical Name:
- Acyclovir IMpurity I
- Chemical Name:
- AzithroMycin IMpurity D
- Chemical Name:
- AztreonaM IMpurity E
- Chemical Name:
- Dasatinib IMpurity 1
- Chemical Name:
- Deferasirox IMpurity 1
- Structure:
- Chemical Name:
- Doxycycline Hyclate IMpurity F
- CAS:
- 122861-53-4
- MF:
- C23H25NO8
- Structure:
- Chemical Name:
- IpratropiuM BroMide IMpurity E
- CAS:
- 183626-76-8
- MF:
- C19H27NO3
- Structure:
- Chemical Name:
- Minoxidil IMpurity D
- CAS:
- 75105-16-7
- MF:
- C11H12N4O4S
- Chemical Name:
- Ribavirin IMp. D (EP)
- Structure:
- Chemical Name:
- SalMeterol IMpurity C
- MF:
- C25H37NO4
- Chemical Name:
- SulbactaM IMpurity F
- Structure:
- Chemical Name:
- N-(4-(2-Methyl-1,4,5,6-tetrahydrobenzo[b]iMidazo[4,5-d]azepine-1-carbonyl)phenyl)-[1,1'-biphenyl]-2-carboxaMide
- MF:
- C32H26N4O2
- Structure:
- Chemical Name:
- 1-(4-Methoxyphenyl)-6-(4-(2-Methyl-6-oxopiperidin-1-yl)phenyl)-7-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxaMide
- CAS:
- 2098457-92-0
- MF:
- C26H27N5O4
- Structure:
- Chemical Name:
- Epalrestat iMpurity
- CAS:
- 109801-00-5
- MF:
- C13H18O
- Structure:
- Chemical Name:
- p-Methylcinnamic acid ethyl ester
- CAS:
- 24393-49-5
- MF:
- C12H14O2
- Structure:
- Chemical Name:
- 3-[(2-Hydroxyethyl)amino]propiononitrile
- CAS:
- 33759-44-3
- MF:
- C5H10N2O
- Structure:
- Chemical Name:
- 3-OXO-3,4-DIHYDROPYRAZINE-2-CARBONITRILE
- CAS:
- 81411-78-1
- MF:
- C5H3N3O
- Structure:
- Chemical Name:
- RP 48497 (Eszopiclone Impurity C)
- CAS:
- 148891-53-6
- MF:
- C11H7ClN4O
- Structure:
- Chemical Name:
- 3-(1-methyl-1H-indole-3-carbonyl)hexanedioic acid
- CAS:
- 1352491-75-8
- MF:
- C16H17NO5
- Structure:
- Chemical Name:
- Decladinose Roxithromycin (Roxithromycin Impurity B)
- CAS:
- 214902-82-6
- MF:
- C33H62N2O12
- Structure:
- Chemical Name:
- Unii-o0p4I5851i
- CAS:
- 139563-29-4
- MF:
- C28H37ClN4O2S
- Structure:
- Chemical Name:
- Amoxicillin Diketopiperazine (Mixture of Diastereomers)
- CAS:
- 94659-47-9
- MF:
- C16H19N3O5S
- Structure:
- Chemical Name:
- Atorvastatin Oxirane Impurity
- CAS:
- 1246818-88-1
- MF:
- C26H24FNO3
- Structure:
- Chemical Name:
- Dehydro Lovastatin
- CAS:
- 109273-98-5
- MF:
- C24H34O4
- Structure:
- Chemical Name:
- (3S)-3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-4,5-dihydro-2-benzoxepin-1(3H)-one
- CAS:
- 1100617-38-6
- MF:
- C27H20ClNO2
- Structure:
- Chemical Name:
- O-Desethyl N-Trityl Candesartan Cilexetil
- CAS:
- 934495-65-5
- MF:
- C50H44N6O6
- Structure:
- Chemical Name:
- N-(Ethylamino) Fluvoxamine
- CAS:
- 1217262-11-7
- MF:
- C17H26F3N3O2
- Structure:
- Chemical Name:
- Iso Ribavirin (Ribavirin Impurity G)
- CAS:
- 39030-43-8
- MF:
- C8H12N4O5
- Structure:
- Chemical Name:
- (R)-(+)-Tolvaptan
- CAS:
- 331947-66-1
- MF:
- C26H25ClN2O3
- Structure:
- Chemical Name:
- (Z)-Cefdinir
- CAS:
- 178601-88-2
- MF:
- C14H13N5O5S2
- Chemical Name:
- Flucloxacillin impurity E
- Structure:
- Chemical Name:
- 4-(4-Piperidyl)-1-butanol
- CAS:
- 57614-92-3
- MF:
- C9H19NO
- Structure:
- Chemical Name:
- Pitavastatin Methyl Ester
- CAS:
- 849811-78-5
- MF:
- C26H26FNO4
- Structure:
- Chemical Name:
- 1-Cyclopropyl-1,4-dihydro-6,8-dimethoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid
- CAS:
- 1029364-73-5
- MF:
- C22H27N3O5
- Structure:
- Chemical Name:
- 3S,5R isoMer, or (3S,5R)-7-[3-(phenylcarbaMoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calciuM salt
- CAS:
- 887196-25-0
- MF:
- C33H34CaFN2O5+
- Structure:
- Chemical Name:
- 3'-O-(5'-Deoxy-α-D-ribofuranosyl) Capecitabine
- CAS:
- 1262133-64-1
- MF:
- C20H30FN3O9
- Structure:
- Chemical Name:
- 5-Chlorodescyano CitalopraM Oxalate
- CAS:
- 64169-46-6
- MF:
- C21H23ClFNO5
- Structure:
- Chemical Name:
- Acyclovir N-Methyl-L-valinate Hydrochloride
- CAS:
- 1346617-39-7
- MF:
- C14H23ClN6O4
- Structure:
- Chemical Name:
- rac N,N-DidesMethyl-N-(4-hydroxyphenethyl)-O-desMethyl Venlafaxine
- CAS:
- 1346601-21-5
- MF:
- C22H29NO3
- Structure:
- Chemical Name:
- rac-11-Deoxy-8(12)-dehydro Misoprostol
- CAS:
- 1331639-92-9
- MF:
- C22H36O4
- Structure:
- Chemical Name:
- 5-Nitro-1H-iMidazole-1-ethanol
- CAS:
- 5006-68-8
- MF:
- C5H7N3O3
- Structure:
- Chemical Name:
- Hydroxy Adapalene
- CAS:
- 1346599-76-5
- MF:
- C28H28O4
- Chemical Name:
- Iohexol related Compound I
- Structure:
- Chemical Name:
- 2,2'-Methylene Bis[Ranitidine]
- CAS:
- 207592-21-0
- MF:
- C27H44N8O6S2
- Structure:
- Chemical Name:
- ChloroMethyl Propyl Carbonate
- CAS:
- 35273-90-6
- MF:
- C5H9ClO3
- Structure:
- Chemical Name:
- Bisacodyl Related Compound B (20 mg) (2,4'-(Pyridin-2-ylmethylene)diphenol)
- CAS:
- 16985-05-0
- MF:
- C18H15NO2
- Structure:
- Chemical Name:
- Doxepin Related Compound C (25 mg) ((E-3-(dibenzo[b,e]oxepin-11(6H)-ylidene)-N-methylpropan-1-amine hydrochloride)
- CAS:
- 4504-96-5
- MF:
- C18H20ClNO
- Structure:
- Chemical Name:
- Imiquimod Related Compound B (25 mg) (1-Isobutyl-1H-imidazo[4,5-c]quinoline 5-oxide)
- CAS:
- 99010-63-6
- MF:
- C14H15N3O
- Structure:
- Chemical Name:
- Ioversol Related Compound B (50 mg) (N,N'-bis(2,3-dihydroxypropyl)-5-[(N-(2-hydroxyethyl)-carbamoyl)methoxy]-2,4,6-triiodoisophthalamide)
- CAS:
- 104517-96-6
- MF:
- C18H24I3N3O9
- Structure:
- Chemical Name:
- Edoxaban Impurity 12 (1R,2R,4S)
- CAS:
- 500572-10-1
- MF:
- C24H30ClN7O4S
- Structure:
- Chemical Name:
- paroxetine Mesylate
- CAS:
- 217797-14-3
- MF:
- C20H24FNO6S
- Structure:
- Chemical Name:
- 5-Oxo Pitavastatin
- CAS:
- 222306-15-2
- MF:
- C25H22FNO4
- Structure:
- Chemical Name:
- (3R)-2,3-Dihydro-3-(2-propyn-1-ylaMino)-1H-inden-1-one
- CAS:
- 1312077-05-6
- MF:
- C12H11NO
- Structure:
- Chemical Name:
- 1-[[2'-(AMinoiMinoMethyl)[1,1'-biphenyl]-4-yl]Methyl]-2-ethoxy-1H-benziMidazole-7-carboxylic Acid
- CAS:
- 1442400-65-8
- MF:
- C24H22N4O3
- Structure:
- Chemical Name:
- 2-Hydroxy Cephalexin
- CAS:
- 215172-75-1
- MF:
- C16H17N3O5S
- Structure:
- Chemical Name:
- 3-(9H-Carbazol-4-yloxy)-1,2-propanediol
- CAS:
- 123119-89-1
- MF:
- C15H15NO3
- Structure:
- Chemical Name:
- 4-(2-Methylpropoxy)-1,3-benzenedicarbothioaMide
- CAS:
- 1330632-46-6
- MF:
- C12H16N2OS2
- Chemical Name:
- Linagliptin Impurity L
- Structure:
- Chemical Name:
- Linagliptin Impurity S
- CAS:
- 668273-74-3
- MF:
- C30H36N8O4
- Structure:
- Chemical Name:
- (R)-2-((6-(3-aminopiperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)-4-fluorobenzonitrile
- MF:
- C17H18FN5O2