valdecoxib and its Impurities
Valdecoxib used in the treatment of osteoarthritis, rheumatoid arthritis, and painful menstruation and menstrual symptoms. It is a selective cyclooxygenase-2 inhibitor.Reference standards of Valdecoxib API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
N-((4-(5-Methyl-3-(3-(N-propionylsulfamoyl)phenyl)isoxazol-4-yl)phenyl)sulfonyl)propionamide
N-((4-(5-Methyl-3-(3-(N-propionylsulfamoyl)phenyl)isoxazol-4-yl)phenyl)sulfonyl)propionamide
Catalogue No.:PA 22 02670
CAS :
1708094-99-8
Molecular Formula : C22H23N3O7S2
Molecular Weight : 505.56