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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Clopidogrel Impurity 44
- CAS:
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:5-ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,5,6-tetrahydro-2H- benzo[b][1,4]oxazine-5,7-dicarboxylate
- CAS:949155-13-9
- MF:C20H22ClNO5
- Structure:
- Chemical Name:Nifedipine impurity 06
- CAS:
- MF:C19H22N2O6
- Chemical Name:Moxifloxacin Impurity 10
- CAS:
- MF:
- Chemical Name:Ticagrelor Impurity 11
- CAS:
- MF:
- Chemical Name:Parecoxib Impurity 18
- CAS:
- MF:
- Chemical Name:Apixaban Impurity 34
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 9 DiHCl
- CAS:
- MF:
- Chemical Name:Pramipexole Impurity Z2
- CAS:
- MF:
- Structure:
- Chemical Name:monocalciummono(4-(((2R,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy- 4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate)
- CAS:
- MF:C24H28CaNO5
- Chemical Name:Aprepitant iMpurity 40
- CAS:
- MF:
- Chemical Name:Aprepitant iMpurity43
- CAS:
- MF:
- Structure:
- Chemical Name:1-Propanamine, 3-(diphenylphosphinyl)-N,N-dimethyl-
- CAS:962-95-8
- MF:C17H22NOP
- Chemical Name:Afatinib Impurity ODQ
- CAS:
- MF:
- Chemical Name:Afatinib Impurity ODQ
- CAS:
- MF:
- Structure:
- Chemical Name:Afatinib Impurity QJJ
- CAS:2323570-72-3
- MF:C24H27ClFN5O4
- Structure:
- Chemical Name:Afatinib Impurity QJJ
- CAS:2323570-72-3
- MF:C24H27ClFN5O4
- Structure:
- Chemical Name:Cabozantinib Impurity 50
- CAS:202917-05-3
- MF:C17H14N2O5
- Chemical Name:Landiolol impurity U
- CAS:
- MF:
- Chemical Name:Teneligliptin Impurity 15
- CAS:
- MF:
- Chemical Name:Nicergoline EP Impurity I
- CAS:
- MF:
- Structure:
- Chemical Name:Carbamic acid, N-[(4-methylphenyl)sulfonyl]-
- CAS:107628-27-3
- MF:C8H9NO4S
- Structure:
- Chemical Name:9H-Purin-6-amine, 9-(2-chloropropyl)-
- CAS:50615-40-2
- MF:C8H10ClN5
- Chemical Name:Hyoscine Butylbromide EP Impurity G
- CAS:
- MF:
- Structure:
- Chemical Name:Cinacalcet Impurity 38 HCl
- CAS:938177-81-2
- MF:C21H24ClN
- Structure:
- Chemical Name:Norepinephrine Impurity 23
- CAS:1528622-09-4
- MF:C9H13NO3
- Structure:
- Chemical Name:Brexpiprazole Impurity 77
- CAS:1783311-11-4
- MF:C12H14N2S
- Structure:
- Chemical Name:(S)-1-(isopropylamino)-3-(4-(2-methoxyethyl)phenoxy)propan-2-ol
- CAS:114218-35-8
- MF:C15H26ClNO3
- Chemical Name:Recombinant Endo Beta-N-Acetylglucosaminidase (ENGASE)
- CAS:
- MF:
- Structure:
- Chemical Name:1-Pentanone, 1-(2-hydroxy-5-methylphenyl)-
- CAS:150033-77-5
- MF:C12H16O2
- Structure:
- Chemical Name:3-methyl-2-pentylphenol
- CAS:1823068-39-8
- MF:C12H18O
- Structure:
- Chemical Name:PLSQ-001 TM4-QJ
- CAS:1227162-74-4
- MF:C18H24N2O2
- Structure:
- Chemical Name:(2S)-2-(2,5-dioxo-3-propylpyrrolidin-1-yl)butanoic acid
- CAS:2101641-92-1
- MF:C11H17NO4
- Structure:
- Chemical Name:2-Pyridineethanamine, N-methyl-N-[2-(2-pyridinyl)ethyl]-, hydrochloride (1:3)
- CAS:2095467-43-7
- MF:C15H20ClN3
- Structure:
- Chemical Name:(S)-tert-butyl (1-(3-(2-cyanobenzyl)
- CAS:1618644-31-7
- MF:C23H29N5O4
- Structure:
- Chemical Name:(S)-tert-butyl (1-(3-(2-cyanobenzyl)
- CAS:1618644-31-7
- MF:C23H29N5O4
- Structure:
- Chemical Name:Droxidopa Impurity 4
- CAS:55382-14-4
- MF:C31H29NO7
- Chemical Name:(1r,4r)-4-(5,6-dibromo-2-methylquinazolin-3(4H)-yl)cyclohexan-1-ol
- CAS:
- MF:
- Chemical Name:Dapagliflozin Impurity (MW:423Da)
- CAS:
- MF:
- Chemical Name:Ramipril - Isomer Impurity 1
- CAS:
- MF:
- Chemical Name:Aripiprazole peroxide degradation Impurity (MW:480Da)
- CAS:
- MF:
- Chemical Name:Fosinopril Sodium Impurity A (Fosinoprilat)
- CAS:
- MF:
- Chemical Name:Dapoxetine Impurity 40
- CAS:
- MF:
- Chemical Name:Doxofylline Impurity 15
- CAS:
- MF:
- Chemical Name:Iohexol Impurity 10
- CAS:
- MF:
- Chemical Name:Salbutamol Impurity 40
- CAS:
- MF:
- Chemical Name:Benzylpenicillin EP(CP) Impurity F
- CAS:
- MF:
- Structure:
- Chemical Name:(3R,5R)-7-(2-(2-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid
- CAS:2243639-98-5
- MF:C33H37CaFN2O5
- Chemical Name:Flucloxacillin sodium EP Impurity A
- CAS:
- MF:
- Structure:
- Chemical Name:Nilotinib Impurity 28
- CAS:1807607-72-2
- MF:C28H20F3N7O3
- Chemical Name:T-IRR
- CAS:
- MF:
- Structure:
- Chemical Name:Escitalopram Acid Impurity
- CAS:1133881-04-5
- MF:C20H22FNO3
- Structure:
- Chemical Name:1,3,6,10,14-Hexadecapentaene, 3,7,11,15-tetramethyl-, (3E,6E,10E)-
- CAS:77898-97-6
- MF:C20H32
- Structure:
- Chemical Name:BROMOCRIPTINE IMPURITY A
- CAS:
- MF:C32H40BrN5O5
- Structure:
- Chemical Name:5-Vinylpyrrolidone
- CAS:7529-16-0
- MF:C6H9NO
- Structure:
- Chemical Name:4-[N-(2,4-DIAMINO-6-PTERIDINYLMETHYL)-N-METHYLAMINO] BENZOIC ACID
- CAS:19741-14-1
- MF:C15H15N7O2
- Structure:
- Chemical Name:PROPYLENE GLYCOL MONOLAURATE
- CAS:27194-74-7
- MF:C15H30O3
- Structure:
- Chemical Name:ZOPICLONE N-OXIDE
- CAS:43200-96-0
- MF:C17H17ClN6O4
- Structure:
- Chemical Name:(1'R,3'S,3S,5R,6R)-5-AMINO-2-AMINOMETHYL-6-(4,6-DIAMINO-2,3-DIHYDROXY-CYCLOHEXYLOXY)-TETRAHYDRO-PYRAN-3,4-DIOL
- CAS:3947-65-7
- MF:C12H26N4O6
- Structure:
- Chemical Name:1-ETHYL-1-METHYLSUCCINIC ACID
- CAS:631-31-2
- MF:C7H12O4
- Structure:
- Chemical Name:IOXILAN RELATED COMPOUND A (100 MG) (5-AMINO-2,4,6-TRIIODO-3 N-(2-HYDROXYETHYL)CARBA-MOYL BENZOIC ACID)
- CAS:22871-58-5
- MF:C10H9I3N2O4
- Structure:
- Chemical Name:Esomeprazole magnesium dihydrate
- CAS:217087-10-0
- MF:C34H36MgN6O6S2.2H2O
- Structure:
- Chemical Name:(2RS)-2-(4-BUTYLPHENYL)PROPANOIC ACID
- CAS:3585-49-7
- MF:C13H18O2
- Structure:
- Chemical Name:Tranylcypromine Hemisulfate
- CAS:13492-01-8
- MF:C9H13NO4S
- Structure:
- Chemical Name:1-(p-Fluoro-phenyl-6-fluoro-7-chloro-4-oxo-3-quinolinecarboxylic acid
- CAS:98105-79-4
- MF:C16H8ClF2NO3
- Structure:
- Chemical Name:MUPIROCIN CALCIUM, REFERENCE SPECTRUM EP STANDARD
- CAS:115074-43-6
- MF:C52H86CaO18.2H2O
- Structure:
- Chemical Name:ISOPROPAMIDE IODIDE
- CAS:71-81-8
- MF:C23H33IN2O
- Structure:
- Chemical Name:5,10-Dihydro-2-methyl-4H-thieno[2,3-β][1,5]benzodiazepin-4-one (Olanzapine Impurity)
- CAS:221176-49-4
- MF:C12H10N2OS
- Structure:
- Chemical Name:Colestipol hydrochloride
- CAS:37296-80-3
- MF:C8H24ClN5
- Structure:
- Chemical Name:PROSTAGLANDIN B1
- CAS:13345-51-2
- MF:C20H32O4
- Structure:
- Chemical Name:CALCIUM GLUCOHEPTONATE
- CAS:17140-60-2
- MF:C7H16CaO8
- Structure:
- Chemical Name:PROSTAGLANDIN A1
- CAS:14152-28-4
- MF:C20H32O4
- Structure:
- Chemical Name:Dexamethasone Isonicotinate
- CAS:2265-64-7
- MF:C28H32FNO6
- Structure:
- Chemical Name:diisopropyl bicarbamate
- CAS:19740-72-8
- MF:C8H16N2O4
- Structure:
- Chemical Name:3-(4-ISOBUTYL-PHENYL)-PROPIONIC ACID
- CAS:65322-85-2
- MF:C13H18O2
- Structure:
- Chemical Name:FOSINOPRILAT
- CAS:95399-71-6
- MF:C23H34NO5P
- Structure:
- Chemical Name:3-(1-Piperidinyl)propiophenone HCl
- CAS:73-63-2
- MF:C14H19NO
- Structure:
- Chemical Name:3-ACETYLBENZOPHENONE
- CAS:66067-44-5
- MF:C15H12O2
- Structure:
- Chemical Name:N,N'-bis-(2-Chloroethyl)urea
- CAS:2214-72-4
- MF:C5H10Cl2N2O
- Structure:
- Chemical Name:Omeprazole Sulfone N-Oxide
- CAS:158812-85-2
- MF:C17H19N3O5S
- Structure:
- Chemical Name:PROCYCLIDINE HYDROCHLORIDE
- CAS:1508-76-5
- MF:C19H30ClNO
- Structure:
- Chemical Name:DIPHENOXYLATE HYDROCHLORIDE
- CAS:3810-80-8
- MF:C30H33ClN2O2
- Structure:
- Chemical Name:Ziprasidone mesilate
- CAS:199191-69-0
- MF:C22H31ClN4O7S2
- Chemical Name:HUMAN FACTOR IX
- CAS:9001-28-9
- MF:
- Structure:
- Chemical Name:OSELTAMIVIR ACID
- CAS:187227-45-8
- MF:C14H24N2O4
- Structure:
- Chemical Name:EMEDASTINE FUMARATE
- CAS:87233-62-3
- MF:C25H34N4O9
- Structure:
- Chemical Name:D-SACCHARIC ACID CALCIUM SALT TETRAHYDRATE
- CAS:5793-89-5
- MF:C6H14CaO9
- Structure:
- Chemical Name:Benzarone
- CAS:1477-19-6
- MF:C17H14O3
- Structure:
- Chemical Name:Estradiol hemihydrate
- CAS:35380-71-3
- MF:C18H24O2.H2O
- Structure:
- Chemical Name:PantoprazoleSodiumSesquihydrate
- CAS:164579-32-2
- MF:C16H18F2N3NaO5S
- Structure:
- Chemical Name:ARISTOLOCHIC ACID SODIUM SALT
- CAS:10190-99-5
- MF:C17H12NNaO7
- Structure:
- Chemical Name:Ticarcillin sodium
- CAS:74682-62-5
- MF:C15H14N2Na2O6S2
- Structure:
- Chemical Name:(3-BROMO-2,4,6-TRIMETHYLPHENYLCARBAMOYL)METHYLIMINODIACETIC ACID
- CAS:78266-06-5
- MF:C15H19BrN2O5
- Structure:
- Chemical Name:CIS-ENTACAPONE
- CAS:145195-63-7
- MF:C14H15N3O5
- Structure:
- Chemical Name:2-(hydroxymethyl)-2-methylpentyl isopropyl-carbamate
- CAS:25462-17-3
- MF:C11H23NO3
- Chemical Name:PERTUSSIS TOXIN
- CAS:70323-44-3
- MF:NULL
- Structure:
- Chemical Name:1-methyl-3-(9H-thioxanthen-9-ylmethyl)piperidine
- CAS:7081-40-5
- MF:C20H23NS
- Structure:
- Chemical Name:4-METHOXYCINNAMIC ACID ETHYL ESTER
- CAS:99880-64-5
- MF:C12H14O3
- Structure:
- Chemical Name:THIOXANTHENE
- CAS:261-31-4
- MF:C13H10S
- Structure:
- Chemical Name:4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid isopropyl ester 1,1-dioxide
- CAS:118854-48-1
- MF:C13H15NO5S