Product Name | Betahistine mesylate |
Synonyms | BETAHISTINE MESYLATE;BETAHISTINE METHANESULFONATE;BETAHISTINE DIMESYLATE;BETAHISTINE DIMETHANESULFONATE;n-methyl-2-pyridineethylamine dimethanesulphonate;TENYL;Bethahistine methanesulfonate;Bethahistinemethanesulfonate |
CAS | 54856-23-4 |
MF | C8H12N2.2CH4O3S |
MW | 328.41 |
EINECS | 259-377-7 |
Product Categories | Pharmaceutical raw material |
Melting point | 112°C |
Water Solubility |
almost transparency |
CAS DataBase Reference | 54856-23-4(CAS DataBase Reference) |
Item |
Specifications |
Results |
Characteristics |
A white or almost crystalline powder |
Pass |
Identification |
IR similar to reference stand |
Pass |
Related substances |
Not more than 0.5% |
0.18% |
Clarity of solution (5.0g in 50ml carbon dioxide free water) |
Clear |
Pass |
PH |
2.0~3.0 |
2.4 |
2-propanol |
Not more than 0.5% |
Pass |
Water |
Not more than 2.0% |
0.15% |
Chlorides |
Not more than 35ppm |
Pass |
Sulphates |
Not more than 250ppm |
Pass |
Heavy metals |
Not more than 20ppm |
Pass |
Assay |
Not less than 98% |
99.6% |
Medical use
Betahistine mesilate 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.