The Betahistine dihydrochloride, with the CAS registry number 5579-84-0, is also known as 2-(2-(Methylamino)ethyl)pyridine dihydrochloride.  Its EINECS number is 226-966-5. This chemical's molecular formula is C₈H₁₂N₂^.2ClH and molecular weight is 209.12. What's more, its systematic name is N-Methyl-2-(2-pyridinyl)ethanamine dihydrochloride. Its classification code is Vasodilator. When using it, you must avoid contact with skin and eyes. This chemical is an antivertigo drug. It is a histamine analog and H1 receptor agonist that serves as a vasodilator. It is used in meniere disease and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers. This chemical should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides, acids and moisture.

Physical properties of Betahistine dihydrochloride are: (1)ACD/LogP: 0.105; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.99; (4)ACD/LogD (pH 7.4): -2.39; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 16.13 Å²; (13)Flash Point: 96.7 °C; (14)Enthalpy of Vaporization: 44.72 kJ/mol; (15)Boiling Point: 210.9 °C at 760 mmHg; (16)Vapour Pressure: 0.187 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Cl.Cl.n1ccccc1CCNC
(2)Std. InChI: InChI=1S/C8H12N2.2ClH/c1-9-7-5-8-4-2-3-6-10-8;;/h2-4,6,9H,5,7H2,1H3;2*1H
(3)Std. InChIKey: XVDFMHARQUBJRE-UHFFFAOYSA-N