Amitriptyline Hydrochloride Description Used as an antidepressant. It inhibits norepinephrine and seretonin transporters. Specifications Cas No. 549-18-8 Product ID A5235 Product Name Amitriptyline Hydrochloride Formula Wt. 313.86 Store Temp Ambient References Stanton T et al Biochem Pharmacol 45:2352-2354 (1993). Sanchez C et al Cell Biol Mol Neurobiol 19:467-489 (1999).