Betahistine Dihydrochloride, Betahistine Mesylate Name Betahistine dihydrochlorideSynonyms 2-(2-(Methylamino)ethyl)pyridine dihydrochloride Molecular Structure Molecular Formula C8H12N2.2HClMolecular Weight 209.12CAS Registry Number 5579-84-0EINECS 226-966-5 Properties Melting point 150-154 ÂșC Betahistine Dihydrochloride