"Aspirin, pharmaceutical secondary standard; traceable to USP, PhEur and BP"

Synonyms: Acetylsalicylic acid; 2-Acetoxybenzoic acid; O-Acetylsalicylic acid; ASA; Aspirin

Formula: 2-(CH₃CO₂)C₆H₄CO₂H

Formula Weight: 180.16

CAS No.: 50-78-2

Biochem/physiol Actions: Blocks the production of prostaglandins by inhibiting cyclooxygenase (prostaglandin H synthase), with greater selectivity toward the COX-1 isoform. The antithrombotic effect is due to the inhibition of COX-1 in platelets that blocks thromboxane production and platelet aggregation. Chemopreventive against colorectal and other solid tumors.