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 ≤ Ref. B9
Opalescence ≤ Ref. I
pH 2.0-3.0
Related Substances (HPLC)
· Impurity A ≤ 0.2%
· Unspecified impurities ≤ 0.10%
· Total impurities ≤ 0.5%
Chloride (ppm) ≤ 35 ppm
Sulphates ≤ 250 ppm
Water ≤ 2.0%
2-Propanol ≤ 5000 ppm
Assay 98.0 – 101.0 %

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Betahistine Dimesilate