Medchemexpress, HY-15321S 1mg Etoricoxib D4 CAS:1131345-14-6 Etoricoxib D4 (MK-0663 D4) is a deuterium labeled Etoricoxib. Etoricoxib is a non steroidal anti-inflammatory agent, acting as a selective and orally active COX-2 inhibitor, with IC 50 s of 1.1 μM and 116 μM for COX-2 and COX-1 in human whole blood. 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.