parecoxib sodium and its Impurities
Parecoxib is a COX2 selective inhibitor in the same category as celecoxib and rofecoxib. As it is injectable, it can be used perioperatively when patients are unable to take oral medications. Parecoxib is a water-soluble and injectable prodrug of valdecoxib. Reference standards of Parecoxib Sodium API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.