Non-selective protease inhibitor; irreversibly sulfonates key active site serine residues in serine proteases, acetylcholinesterases, and thiol proteases. Blocks metabolism of anandamide (Cat. No. 1339) in a rodent model of cannabimimetic activity. Unstable in water (t1/2 ~ 60 mins at pH 7.5). Brain penetrant. Purity 98%. MW (observed): 174.19