Cocaine Hydrochloride: C~17~H~21~NO~4~ HCl. Mw: 339.81. (1) 8-Azabicyclo[3.2.1]octane-2-carboxylic acid, 3-(benzoyloxy)-8-methyl-, methyl ester, hydrochloride, [1R-(exo,exo)]-; (2) Methyl 3β-hydroxy-1αH,5αH-tropan-2β-carboxylate, benzoate (ester) hydrochloride. CAS-53-21-4; CAS-50-36-2 (cocaine).