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Pharmaceutical Impurity Reference Standards
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- Chemical Name:
- Doxofylline Impurity 15
- Chemical Name:
- Iohexol Impurity 10
- Chemical Name:
- Salbutamol Impurity 40
- Chemical Name:
- Benzylpenicillin EP(CP) Impurity F
- 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
- Structure:
- Chemical Name:
- Nilotinib Impurity 28
- CAS:
- 1807607-72-2
- MF:
- C28H20F3N7O3
- Chemical Name:
- T-IRR
- 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
- MF:
- C32H40BrN5O5
- Structure:
- Chemical Name:
- PROPYLENE GLYCOL MONOLAURATE
- CAS:
- 27194-74-7
- MF:
- C15H30O3
- 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:
- 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:
- MUPIROCIN CALCIUM, REFERENCE SPECTRUM EP STANDARD
- CAS:
- 115074-43-6
- MF:
- C52H86CaO18.2H2O
- 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:
- (S)-Omeprazole magnesium dihydrate, Nexium dihydrate, (T-4)-Bis[6-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl-KO]-1H-benzimidazolato-KN3]-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:
- 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
- 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:
- ISO-MALATHION
- CAS:
- 3344-12-5
- MF:
- C10H19O6PS2
- Structure:
- Chemical Name:
- 1-(3-Chlorophenyl)-5-isopropylbiguanide Hydrochloride
- CAS:
- 1071546-52-5
- MF:
- C11H17Cl2N5
- Structure:
- Chemical Name:
- TIZANIDINE RELATED COMPOUND C (50 MG) (1-ACETYLIMIDAZOLIDINE-2-THIONE)
- CAS:
- 5391-52-6
- MF:
- C5H8N2OS
- Structure:
- Chemical Name:
- CROTONYLBETAINE(CARNITINE IMPURITY)(RG)
- CAS:
- 927-89-9
- MF:
- C16H30N2O6
- Structure:
- Chemical Name:
- 4-CHLOROBENZYLIDENE PHTHALIDE
- CAS:
- 20526-97-0
- MF:
- C15H9ClO2
- Structure:
- Chemical Name:
- 1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one
- CAS:
- 4656-86-4
- MF:
- C4H3N5O
- Structure:
- Chemical Name:
- 3-amino-5-(aminosulphonyl)-4-phenoxybenzoic acid
- CAS:
- 28328-54-3
- MF:
- C13H12N2O5S
- Structure:
- Chemical Name:
- PN 203-831
- CAS:
- 116169-18-7
- MF:
- C19H19N3O5
- Structure:
- Chemical Name:
- 4-METHOXYCINNAMIC ACID ETHYL ESTER
- CAS:
- 99880-64-5
- MF:
- C12H14O3
- Structure:
- Chemical Name:
- Pramipexole Impurity 16
- CAS:
- 104632-27-1
- MF:
- C10H18ClN3S
- Structure:
- Chemical Name:
- cis-Glimepiride
- CAS:
- 684286-46-2
- MF:
- C24H34N4O5S
- Structure:
- Chemical Name:
- ent-Voriconazole
- CAS:
- 137234-63-0
- MF:
- C16H14F3N5O
- Structure:
- Chemical Name:
- ethyl 5-(forMylaMino)-1H-pyrazole-4-carboxylate
- CAS:
- 31055-19-3
- MF:
- C7H9N3O3
- Structure:
- Chemical Name:
- 2,2'-Bis-(1-adaMantyl)-4,4'-diMethoxybiphenyl
- CAS:
- 932033-57-3
- MF:
- C34H42O2
- Structure:
- Chemical Name:
- Orlistat Related Compound D
- CAS:
- 130793-27-0
- MF:
- C29H53NO5
- Structure:
- Chemical Name:
- THIOXANTHENE
- CAS:
- 261-31-4
- MF:
- C13H10S
- Structure:
- Chemical Name:
- GLYBURIDE RELATED COMPOUND B (25 MG) (METHYL-[[4-[2-[(5-CHLORO-2-METHOXYBENZOYL)-AMINO]ETHYL]PHENYL]SULFONYL]CARBAMATE) (AS)
- CAS:
- 21165-77-5
- MF:
- C18H19ClN2O6S
- Chemical Name:
- Chitosan Hydrochloride
- CAS:
- 70694-72-3
- Structure:
- Chemical Name:
- CALCIPOTRIOL MONOHYDRATE
- CAS:
- 147657-22-5
- MF:
- C27H42O4
- Structure:
- Chemical Name:
- Endo-3-amine-9-methyl-9-azabicyclo[3,3,1]nonane
- CAS:
- 107007-95-4
- MF:
- C17 H22 N4 O
- Structure:
- Chemical Name:
- SODIUM O-IODOHIPPURATE
- CAS:
- 133-17-5
- MF:
- C9H7INNaO3
- Structure:
- Chemical Name:
- ISOSORBIDE 2-MONONITRATE
- CAS:
- 16106-20-0
- MF:
- C6H9NO6
- 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
- Structure:
- Chemical Name:
- Dopexamine hydrochloride
- CAS:
- 86484-91-5
- MF:
- C22H34Cl2N2O2
- Structure:
- Chemical Name:
- 2-(4-chloro-3-sulphamoylbenzoyl)benzoic acid
- CAS:
- 5270-74-6
- MF:
- C14H10ClNO5S
- Structure:
- Chemical Name:
- 5H-dibenzo[a,d]cycloheptene
- CAS:
- 256-81-5
- MF:
- C15H12
- Structure:
- Chemical Name:
- 4-(4-Chlorophenyl)-2-pyrrolidinone
- CAS:
- 22518-27-0
- MF:
- C10H10ClNO
- Structure:
- Chemical Name:
- 6-aminocarbovir
- CAS:
- 124752-25-6
- MF:
- C11H14N6O
- Structure:
- Chemical Name:
- dihydromevinolin
- CAS:
- 77517-29-4
- MF:
- C24H38O5
- Structure:
- Chemical Name:
- (3S,4S)-3-HEXYL-4-[(R)-2-(HYDROXYTRIDECYL)]OXETAN-2-ONE
- CAS:
- 104872-06-2
- MF:
- C22H42O3
- Structure:
- Chemical Name:
- PACLITAXEL C
- CAS:
- 153415-45-3
- MF:
- C46H57NO14
- Structure:
- Chemical Name:
- 2,4-Diamino-6-phenyl-7-pteridinol
- CAS:
- 19152-93-3
- MF:
- C12H10N6O
- Structure:
- Chemical Name:
- 2-ALLYL-4-PENTENOIC ACID
- CAS:
- 99-67-2
- MF:
- C8H12O2
- Structure:
- Chemical Name:
- Ipratropium bromide monohydrate
- CAS:
- 66985-17-9
- MF:
- C20H32BrNO4
- Structure:
- Chemical Name:
- FaMotidine AMide IMpurity
- CAS:
- 76824-16-3
- MF:
- C8H13N5OS2
- Structure:
- Chemical Name:
- N-DesMethyl DiphenhydraMine Hydrochloride
- CAS:
- 53499-40-4
- MF:
- C16H20ClNO
- Structure:
- Chemical Name:
- 1-[3-(DIMETHYLAMINO)PROPYL]-1-(4-FLUOROPHENYL)-1,3-DIHYDRO-5-ISOBENZOFURANCARBOXAMIDE
- CAS:
- 64372-56-1
- MF:
- C20H23FN2O2
- Structure:
- Chemical Name:
- Trimethoprim Related Compound A (25 mg) (4-amino-5-(3,4,5-trimethoxybenzyl)pyrimidin-2-ol) (AS)
- CAS:
- 60729-91-1
- MF:
- C14H17N3O4
- Structure:
- Chemical Name:
- 13-CIS-ACITRETIN
- CAS:
- 69427-46-9
- MF:
- C21H26O3
- Structure:
- Chemical Name:
- YTTERBIUM(III) IONOPHORE I
- CAS:
- 125110-14-7
- MF:
- C16H17N5O8S2
- Structure:
- Chemical Name:
- CITALOPRAM RELATED COMPOUND F (200 MG) (DIMETHYL-(1-METHYL-3,3-DIPHENYL-ALLYL)-AMINE HYDROCHLORIDE)
- CAS:
- 55011-89-7
- MF:
- C18H22ClN
- Structure:
- Chemical Name:
- PROPYLENE GLYCOL DILAURATE
- CAS:
- 22788-19-8
- MF:
- C27H52O4
- Chemical Name:
- COAGULATION FACTOR VII, HUMAN
- CAS:
- 9001-25-6
- Structure:
- Chemical Name:
- 1,3-dihydro-6-methylfuro[3,4-c]pyridin-7-ol
- CAS:
- 5196-20-3
- MF:
- C8H9NO2
- Structure:
- Chemical Name:
- metomidate
- CAS:
- 5377-20-8
- MF:
- C13H14N2O2
- Structure:
- Chemical Name:
- 4-(4-chlorophenyl)-1-[4-(4-fluorophenyl)-4-oxobutyl]-4-piperidyl decanoate
- CAS:
- 74050-97-8
- MF:
- C31H41ClFNO3