The chemical Memantine hydrochloride has a designated molecular formula of C12H22ClN and a molecular weight of 215.765 g/mol. Synonyms may include: EINECS 255-219-6, Akatinol, Ebixza, NSC 102290, SUN Y7017, Axura, Namenda, D 145, D-145, Memantine HCl, UNII-JY0WD0UA60, Namenda XR, Mantine (ChemID). Memantine hydrochloride has been assigned a MeSH pharmacological action of: Excitatory Amino Acid Antagonist.