Aspirin (Standard) is the analytical standard of Aspirin. This product is intended for research and analytical applications. Aspirin (Acetylsalicylic acid) is an orally active, potent and irreversible inhibitor of cyclooxygenase COX-1 and COX-2, with IC50 values of 5 and 210 µg/mL, respectively. Aspirin induces apoptosis. Aspirin inhibits the activation of NF-kappaB. Aspirin also inhibits platelet prostaglandin synthetase, and can prevent coronary artery and cerebrovascular thrombosis[1][2][3][4][5][6].