Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

Results 23,831-23,840 of 35,292

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ImpurityLevels of characterisation

Cat. No.: P-V005-009
CAS: 1373038-59-5
Formula: C₁₆H₁₅N₃O₅S₂
Family: Valdecoxib
Synonyms: 3-(5-Methyl-4-(4-sulfamoylphenyl)isoxazol-3-yl)benzenesulfonamide, 3-[5-methyl-4-(4-sulfamoylphenyl)-1,2-oxazol-3-yl]benzenesulfonamide

ImpurityLevels of characterisation

Cat. No.: P-V005-011
CAS: 1391052-01-9
Formula: C₁₇H₁₆N₂O₃S
Family: Valdecoxib
Synonyms: 3-Phenyl-4-(4-aminosulfonylbenzyl)-5-methylisoxazole, 4-[(5-methyl-3-phenyl-1,2-oxazol-4-yl)methyl]benzenesulfonamide

ImpurityLevels of characterisation

Cat. No.: P-V005-013
CAS: 2251048-58-3
Formula: C₁₆H₁₅N₃O₅S₂
Family: Valdecoxib
Synonyms: 4,4'-(5-Methylisoxazole-3,4-diyl)dibenzenesulfonamide, 4-[5-methyl-3-(4-sulfamoylphenyl)-1,2-oxazol-4-yl]benzenesulfonamide

ImpurityLevels of characterisation

Cat. No.: P-V005-017
CAS: 473465-11-1
Formula: C₁₈H₁₈N₂O₃S
Family: Valdecoxib
Synonyms: N-ethyl-4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonamide, N-ethyl-4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonamide

ImpurityLevels of characterisation

Cat. No.: P-V005-014
CAS: 181696-35-5
Formula: C₁₆H₁₃NO₄S
Family: Valdecoxib
Synonyms: 4-(5-Methyl-3-phenylisoxazol-4-yl)benzenesulfonic acid, Valdecoxib Impurity 33

ImpurityLevels of characterisation

Cat. No.: P-V005-046
CAS: 509074-26-4
Formula: C₁₆H₁₂ClNO₃S
Family: Valdecoxib
Synonyms: 4-(5-Methyl-3-phenyl-1,2-oxazol-4-yl)benzene-1-sulfonyl chloride, 4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonyl chloride

ImpurityLevels of characterisation

ImpurityLevels of characterisation

ImpurityLevels of characterisation

ImpurityLevels of characterisation

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