Clemizole hydrochloride

Cat. No. 5371

Clemizole hydrochloride C19H20ClN3. HCl [1163-36-6]

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Chemical Name: 1-[(4-Chlorophenyl)methyl]-2-(1-pyrrolidinylmethyl)-1H-benzimidazole hydrochloride

Biological Activity

TRPC5 channel blocker (IC50 values are 1.1, 6.4, 9.1, 11.3 and 26.5 μM for TRPC5, TRPC4, TRPC3, TRPC6 and TRPC7 respectively). Exhibits minimal effect on TRPM3, TRPM8 and TRPV1-4 channels. Also histamine H1 receptor antagonist and anticonvulsant in zebrafish Dravet syndrome model.

Technical Data

C19H20ClN3. HCl
Soluble to 20 mM in water and to 50 mM in DMSO
>99 %
Desiccate at RT

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet

Richter et al (2014) Clemizole hydrochloride is a novel and potent inhibitor of transient receptor potential channel TRPC5. Mol.Pharm. 86 514. PMID: 25140002.

Baraban et al (2013) Drug screening in Scn1a zebrafish mutant identifies clemizole as a potential Dravet syndrome treatment. Nat.Commun. 4 2410. PMID: 24002024.

Aguilar et al (1986) Pharmacological investigation into the effects of histamine and histamine analogues on guinea-pig and rat colon in vitro. Br.J.Pharmacol. 88 501. PMID: 3742147.

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Keywords: Clemizole hydrochloride, supplier, transient, potential, channels, TRPC5, histamine, receptors, blockers, antagonists, Tocris Bioscience, TRPC Blocker products

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