Betahistine Dimesilate

Standard products

CAS-RN 54856-23-4
Documentation EDMF
Specification Ph. Eur.
Therapeutic use Antivertigo agent:
agonist of histamine


Description White or almost white powder
Solubility To pass test
IR Spectrum Similar to standard
Melting Point 108-112ºC
Identification TLC Rf similar to standard
Identification D To pass test
Colour Not more than Ref. B9
Opalescence Not more than Ref. I
pH 2-3
HPLC 2-vinilpyridine Max 0.2%
HPLC Other impurities Max 0.10%
HPLC Dibetahistine Max 0.15%
HPLC Total impurities Max 0.2%
Chloride (ppm) Max 35 ppm
Heavy Metals Max 20 ppm
Sulphates Max 250 ppm
Water Max 2%
2-Propanol Max 5000 ppm
Sulphated ash Max 0.1%
Assay 98.0 – 101.0 %

Products protected by patents are not offered for sale in countries where the sale of such products constitutes patent infringement and its liability is at buyer´s risk. Samples of products under patent can be supplied only for R&D purposes.
Betahistine Dimesilate