Medchemexpress, HY-15762 10mg Valdecoxib CAS:181695-72-7 Valdecoxib is a highly potent and selective inhibitor of COX-2 , with IC 50 s of 5 nM and 140 μM for COX-2 and COX-1, respeceively. Valdecoxib can be used in the research of arthritis and pain. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.