| 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.



                        
  
  
  
  
  
  





