| 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.









