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:846023-56-1
- CAS:846023-56-1
- MF:C26H31Cl2N5O4
- Structure:
- Chemical Name:Prednisone impurity D (EP)
- CAS:10184-69-7
- MF:C21H26O4
- Structure:
- Chemical Name:Lisinopril EP Impurity G
- CAS:1356839-89-8
- MF:C42H60N6O9
- Structure:
- Chemical Name:2-hexanoylbenzoic acid
- CAS:857538-11-5
- MF:C13H16O3
- Structure:
- Chemical Name:Blonanserin N-Oxide
- CAS:142838-82-2
- MF:C23H30FN3O
- Structure:
- Chemical Name:Levofloxacin Impurity 11
- CAS:106939-42-8
- MF:C9H9F2NO
- Structure:
- Chemical Name:Rabeprazole Impurity 2
- CAS:1807988-36-8
- MF:C18H19N3O4
- Structure:
- Chemical Name:Tenofovir Related Compound 14
- CAS:1244022-52-3
- MF:C8H11N5O
- Structure:
- Chemical Name:N-(2-methyl-5-nitrophenyl)-N-(4-(pyridin-3-yl)pyrimidin-2-yl)acetamide
- CAS:
- MF:C18H15N5O3
- Structure:
- Chemical Name:N-(5-(benzyl(methyl)amino)-2-methylphenyl)-N-(4-(pyridin-3-yl)pyrimidin-2-yl)formamide
- CAS:
- MF:C25H23N5O
- Structure:
- Chemical Name:1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid
- CAS:956011-26-0
- MF:C14H10FN3O2
- Structure:
- Chemical Name:Nicorandil Impurity 4 Dinitrate
- CAS:1798026-96-6
- MF:C16H17N5O5
- Structure:
- Chemical Name:WIXOVOWSUCEDGS-UHFFFAOYSA-N
- CAS:1346603-05-1
- MF:C15H20O5
- Structure:
- Chemical Name:2-Chloro-1,3-dinitrobenzene
- CAS:606-21-3
- MF:C6H3ClN2O4
- Structure:
- Chemical Name:YXSRVOWUJUXDLJ-UHFFFAOYSA-N
- CAS:1618107-97-3
- MF:C18H18FNO2S
- Structure:
- Chemical Name:S-2-Benzothiazolyl-2-amino-±-(methoxyimino)-4-thiazolethiolacetate
- CAS:1684396-27-7
- MF:C13H10N4O2S3
- Structure:
- Chemical Name:4-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-cyclopentene-1-carboxylic acid methyl ester
- CAS:168683-02-1
- MF:C12H19NO4
- Structure:
- Chemical Name:KNKJEUNXMFFFDU-LZHIOSKDSA-N
- CAS:138804-88-3
- MF:C25H34O6
- Structure:
- Chemical Name:MONO-DESACETYL FAMCICLOVIR
- CAS:104227-88-5
- MF:C12H17N5O3
- Structure:
- Chemical Name:(E)-5-(2-CARBOXYVINYL)-2'-DEOXYURIDINE
- CAS:74131-06-9
- MF:C12H14N2O7
- Structure:
- Chemical Name:HHUBRUYPYDODRB-UHFFFAOYSA-N
- CAS:106860-70-2
- MF:C8H5NO5
- Structure:
- Chemical Name:5-Decyano 5-(Ethyl Formate) Milrinone
- CAS:80442-07-5
- MF:C14H14N2O3
- Structure:
- Chemical Name:25-DESACETYL RIFAMPICIN
- CAS:16783-99-6
- MF:C41H56N4O11
- Structure:
- Chemical Name:ETHYL 2-CYCLOHEXYL-2-HYDROXY-PHENYLACETATE
- CAS:31197-69-0
- MF:C16H22O3
- Structure:
- Chemical Name:1-(4-methoxyphenyl)-2-methylpropan-2-ol
- CAS:35144-39-9
- MF:C11H16O2
- Structure:
- Chemical Name:Apixaban Impurity 33
- CAS:1686149-78-9
- MF:C21H27N3O3
- Structure:
- Chemical Name:1,8-bis(4-((1,4,8,11-tetraazacyclotetradecan-1-yl)methyl)benzyl)-1,4,8,11-tetraazacyclotetradecane
- CAS:414858-02-9
- MF:C46H84N12
- Structure:
- Chemical Name:butyl 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanoate
- CAS:2227199-31-5
- MF:C20H29N5O3
- Structure:
- Chemical Name:ethyl 2-((E)-5-((E)-2-methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetate
- CAS:682775-71-9
- MF:C17H17NO3S2
- Structure:
- Chemical Name:2-CHLOROMETHYL-3-METHYL-4-(2,2,2-TRIFLUOROETHOXY)PYRIDINE
- CAS:128430-66-0
- MF:C9H9ClF3NO
- Structure:
- Chemical Name:1-(2,3-EPOXYPROPYL)-2-METHYL-5-NITROIMIDAZOLE
- CAS:16773-52-7
- MF:C7H9N3O3
- Chemical Name:Bendamustine Related Impurity 12
- CAS:
- MF:
- Chemical Name:Bendamustine Related Impurity 3
- CAS:
- MF:
- Structure:
- Chemical Name:Edoxaban Impurity 26 (1R,2S,4R)
- CAS:1255529-33-9
- MF:C21H30ClN5O5
- Structure:
- Chemical Name:Ezetimibe Impurity 36
- CAS:1809031-15-9
- MF:C39H46F2N2O5Si2
- Structure:
- Chemical Name:Linagliptin Impurity 29
- CAS:2074688-82-5
- MF:C58H58N16O6
- Structure:
- Chemical Name:Methylprednisolone Acetate EP Impurity H
- CAS:1968-76-9
- MF:C24H32O4
- Chemical Name:Rivaroxaban Impurity 44
- CAS:
- MF:
- Structure:
- Chemical Name:Sitafloxacin Impurity 3
- CAS:
- MF:C23H10Cl2F4N2O6
- Chemical Name:Tenofovir Impurity 39
- CAS:
- MF:
- Chemical Name:Ticagrelor Related Compound 82
- CAS:
- MF:
- Chemical Name:Vonoprazan Impurity 20
- CAS:
- MF:
- Structure:
- Chemical Name:N-(2,6-Dimethylphenyl)-4-[2-hydroxy-3-(4-methoxyphenoxy)propyl]-1-piperazineacetamide
- CAS:1393717-45-7
- MF:C24H33N3O4
- Structure:
- Chemical Name:methyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b] pyridin-3-yl)pyrimidin-5-yl)(ethyl)carbamate
- CAS:1361570-27-5
- MF:C21H21FN8O2
- Chemical Name:Cefathiamidine Impurity G
- CAS:
- MF:
- Chemical Name:Olaparib Impurity P
- CAS:
- MF:
- Chemical Name:Ozagrel Impurity 1
- CAS:
- MF:
- Chemical Name:Pidotimod Impurity P
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 11
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity 18
- CAS:
- MF:
- Chemical Name:Tenofovir disoproxil Impurity 18
- CAS:
- MF:
- Chemical Name:Tenofovir Impurity 50
- CAS:
- MF:
- Structure:
- Chemical Name:Darunavir
- CAS:1526916-57-3
- MF:C22H31N3O5S
- Structure:
- Chemical Name:(S)-3-(4-(2,5-dibromobenzyl)phenoxy)tetrahydrofuran
- CAS:
- MF:C17H16Br2O2
- Structure:
- Chemical Name:Telmisartan tert-Butyl Ester
- CAS:144702-26-1
- MF:C37H38N4O2
- Structure:
- Chemical Name:Amido Ethyl Meloxicam (Meloxicam Impurity)
- CAS:881399-30-0
- MF:C16H17N3O4S2
- Structure:
- Chemical Name:3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one
- CAS:85175-65-1
- MF:C15H20ClNO3
- Structure:
- Chemical Name:N-DesMethyl TelMisartan
- CAS:144701-81-5
- MF:C32H28N4O2
- Structure:
- Chemical Name:N-De[2-(Methylsulfonyl)ethyl] Lapatinib
- CAS:697299-82-4
- MF:C26H20ClFN4O2
- Structure:
- Chemical Name:N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole Sulfide
- CAS:957470-58-5
- MF:C24H24F2N4O5S
- Structure:
- Chemical Name:3-Oxo Rosuvastatin SodiuM Salt
- CAS:1346606-28-7
- MF:C22H25FN3NaO6S
- Structure:
- Chemical Name:Famciclovir Related Compound A (20 mg) (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride)
- CAS:246021-75-0
- MF:C10H16ClN5O2
- Structure:
- Chemical Name:Olopatadine USP RC B
- CAS:173174-07-7
- MF:C21H23NO4
- Structure:
- Chemical Name:Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid)
- CAS:108313-11-7
- MF:C22H30N2O5
- Structure:
- Chemical Name:4'-(Difluoromethoxy)acetanilide
- CAS:22236-11-9
- MF:C9H9F2NO2
- Structure:
- Chemical Name:EthanediaMide, N1-(5-chloro-2-pyridinyl)-N2-[(1S,2S,4R)-4-[(diMethylaMino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-Methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]aMino]cyclohexyl]-
- CAS:1255529-28-2
- MF:C24H30ClN7O4S
- Structure:
- Chemical Name:N-carbaMoyl-2-Methyl benzene sulfonaMide
- CAS:39051-77-9
- MF:C8H10N2O3S
- Structure:
- Chemical Name:Capecitabin iMpurity
- CAS:71609-08-0
- MF:C9H12FN3O4
- Structure:
- Chemical Name:2-(((3aS,4R,6S,6aR)-6-((5-amino-6-chloro-2-(propylthio)pyrimidin-4-yl)amino)-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-yl)oxy)ethan-1-ol
- CAS:
- MF:C17H27ClN4O4S
- Structure:
- Chemical Name:Clindamycin impurity
- CAS:198080-64-7
- MF:C18H32N2O5S
- Chemical Name:Digoxin impurity
- CAS:
- MF:
- Chemical Name:Lamivudine impurity
- CAS:
- MF:
- Structure:
- Chemical Name:Levothyroxine Sodium impurity
- CAS:27566-09-2
- MF:C14H21NO4
- Structure:
- Chemical Name:Dexchlorpheniramine impurity
- CAS:73775-50-5
- MF:C12H15ClN2
- Structure:
- Chemical Name:(S)-N-(2-(1-(3-ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide
- CAS:1384441-38-6
- MF:C21H22N2O7S
- Structure:
- Chemical Name:(1R,2S,3S)-Aprepitant
- CAS:172822-28-5
- MF:C23H21F7N4O3
- Structure:
- Chemical Name:6-benzyloxy-8-((R)-2-chloro-1-hydroxy-ethyl)-4H-benzo[1,4]-oxazin-3-one
- CAS:869478-11-5
- MF:C17H16ClNO4
- Structure:
- Chemical Name:ethyl (41R,13aS)-13a-ethyl-2,3,41,5,6,13a-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate
- CAS:77549-94-1
- MF:C22H26N2O2
- Chemical Name:Dolutegravir Impurity 2
- CAS:
- MF:
- Structure:
- Chemical Name:Lesinurad Impurity J
- CAS:1210330-64-5
- MF:C14H10BrN3O2S
- Structure:
- Chemical Name:Neratinib Impurity 4
- CAS:1144516-18-6
- MF:C31H32ClN6O3+
- Structure:
- Chemical Name:Avibactam Impurity 3(2R,5S)
- CAS:1383814-68-3
- MF:C7H12N3NaO6S
- Structure:
- Chemical Name:Linagliptin Impurity C
- CAS:1791405-13-4
- MF:C15H20N6O2
- Structure:
- Chemical Name:1,1-Cyclopropanedicarboxamide,N-[4-[(6,7-dimethoxy-4-quinolinyl)oxy]phenyl]-N'-phenyl-
- CAS:849221-94-9
- MF:C28H25N3O5
- Structure:
- Chemical Name:methyl (41S,12S,13aS)-13a-ethyl-12-hydroxy-8-methoxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate
- CAS:57430-34-9
- MF:C22H28N2O4
- Structure:
- Chemical Name:(R)-1-[3-[4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]ethanone
- CAS:1288338-95-3
- MF:C24H24N6O2
- Structure:
- Chemical Name:Amlodipine Impurity 17
- CAS:
- MF:C26H31ClN2O8S
- Chemical Name:Edoxaban Impurity 12 (1R,2R,4S)
- CAS:
- MF:
- Structure:
- Chemical Name:Rivaroxaban Impurity 26
- CAS:1838133-00-8
- MF:C23H21Cl2N3O5S2
- Structure:
- Chemical Name:Erlotinib
- CAS:938185-06-9
- MF:C16H11N3O2
- Structure:
- Chemical Name:methyl (41R,12S,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate
- CAS:18374-18-0
- MF:C21H26N2O3
- Structure:
- Chemical Name:Brexpiprazole sulfoxide impurity
- CAS:1191900-51-2
- MF:C25H27N3O3S
- Chemical Name:Cabozantinib Impurity H
- CAS:
- MF:
- Structure:
- Chemical Name:Clopidogrel Impurity 11
- CAS:
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:Medetomidine Impurity 3
- CAS:104245-83-2
- MF:C10H13Cl
- Chemical Name:Tofacitinib Impurity 35
- CAS:
- MF:
- Structure:
- Chemical Name:ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate
- CAS:1884279-18-8
- MF:C18H17NO4S
- Structure:
- Chemical Name:N-methyl-1-(5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanamine fumarate
- CAS:928325-82-0
- MF:C21H21N3O6S