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Betahistine Methanesulfonate
(CAS RN:54856-23-4 Product Number:B1424)


Betahistine Methanesulfonate
Synonym Betahistine Mesylate
Synonym 2-[2-(Methylamino)ethyl]pyridine Methanesulfonate

General Information

Product Number B1424

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Purity/Analysis Method >99.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C8H12N2·2CH4O3S=328.40
CAS RN 54856-23-4
Related CAS RN 5638-76-6
MDL Number MFCD00143688
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(HPLC) min. 99.0 area%
Purity(Neutralization titration) min. 99.0 %
Melting point 112.0 to 115.0 deg-C
Solubility in Water almost transparency


Reaxys-RN 4043104
PubChem SID 87564344
RTECS# UT2970200
EC Number 259-377-7

Transport Information

HS Number 2933399990


Betahistine Methanesulfonate: A Histamine H1 Receptor Agonist/H3 Antagonist

Betahistine methanesulfonate is a structural analog of histamine [H0146, dihydrochloride] that acts both as a partial histamine H1-receptor agonist and histamine H3-receptor antagonist in neuronal tissue. Betahistine increases histamine turnover and release by blocking presynaptic H3-receptors and inducing H3-receptor downregulation.1-3) Reportedly, betahistine increases in vestibular blood flow, and is used as an antivertigo agent in clinical.2,3) Recently, it has been reported that betahistine induced the recall of forgotten memories in mice.4) (The product is for research purpose only.)


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