Valdecoxib

Bextra

Valdecoxib 4-(5-methyl-3-phenyl-4-isoxazolyl)-benzenesulfonamide CAS number 181695-72-7 ATC code M01AH03 Chemical formula C16H14N2O3S Molecular weight 314.364 Bioavailability 83% Metabolism 10% Elimination half-life 8-11 hours Excretion 90% Pregnancy category In late pregnancy, valdecoxib should be avoided because it may cause premature closure of the ductus arteriosus. Legal status Recalled in US, EU, Canada & parts of Asia Routes of administration 10mg Oral ...