Valdecoxib-13C2,15N (SC 65872-13C2,15N) is the 13C- and 15N-labeled Valdecoxib (HY-15762). Valdecoxib is a highly potent and selective inhibitor of COX-2, with IC50s of 5 nM and 140 µM for COX-2 and COX-1, respeceively. Valdecoxib can be used in the research of arthritis and pain.