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Merck
CN

C5040

Clemizole hydrochloride

Synonym(s):

1-(p-Chlorobenzyl)-2-(1-pyrrolidinylmethyl)benzimidazole hydrochloride, 1-(p-Chlorobenzyl)-2-pyrrolidylmethylenebenzimidazole hydrochloride, 1-[(4-Chlorophenyl)methyl]-2-(1-pyrrolidinylmethyl)-1H-benzimidazole hydrochloride, CID 2782 hydrochloride, NSC 46261 hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C19H20ClN3 · HCl
CAS Number:
1163-36-6
Molecular Weight:
362.30
UNSPSC Code:
12352200
PubChem Substance ID:
24278319
EC Number:
214-605-4
MDL number:
MFCD00051435

Key Documents

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InChI key

DNFMJYXRIMLMBZ-UHFFFAOYSA-N

InChI

1S/C19H20ClN3.ClH/c20-16-9-7-15(8-10-16)13-23-18-6-2-1-5-17(18)21-19(23)14-22-11-3-4-12-22;/h1-2,5-10H,3-4,11-14H2;1H

SMILES string

ClC(C=C1)=CC=C1CN2C(CN3CCCC3)=NC4=CC=CC=C42.[H]Cl

Gene Information

human ... HRH1(3269)

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Biochem/physiol Actions

Clemizole is a potent and preferring inhibitor of TRPC5 that efficiently blocks heterologously expressed homomeric TRPC5 channels as well as heteromeric TRPC1:TRPC5 channels. Clemizole is a potent and selective H1 histamine receptor antagonist. Clemizole inhibited binding of HCV RNA by NS4B inhibit HCV RNA replication in cell culture.
Clemizole is a potent and preferring inhibitor of TRPC5; Antihistaminic.
H1 histamine receptor antagonist.

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

hcodes

H302,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
038F1126

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R Oishi et al.
Naunyn-Schmiedeberg's archives of pharmacology, 349(2), 140-144 (1994-02-01)
To compare in vivo effects of eleven compounds of different classes of histamine H1-receptor antagonists (alcoholamines: diphenhydramine, carbinoxamine, and clemastine; ethylenediamines: mepyramine, tripelennamine, and clemizole; alkylamines: triprolidine and chlorpheniramine; piperazines: meclizine and homochlorcyclizine; phenothiazines: promethazine) on neuronal uptake of dopamine
Andreia Teixeira-Castro et al.
Brain : a journal of neurology, 138(Pt 11), 3221-3237 (2015-09-17)
Polyglutamine diseases are a class of dominantly inherited neurodegenerative disorders for which there is no effective treatment. Here we provide evidence that activation of serotonergic signalling is beneficial in animal models of Machado-Joseph disease. We identified citalopram, a selective serotonin
Jing Yuan et al.
Nature chemical biology, 5(10), 765-771 (2009-09-08)
Studies of gene function and molecular mechanisms in Plasmodium falciparum are hampered by difficulties in characterizing and measuring phenotypic differences between individual parasites. We screened seven parasite lines for differences in responses to 1,279 bioactive chemicals. Hundreds of compounds were
Phedias Diamandis et al.
Nature chemical biology, 3(5), 268-273 (2007-04-10)
The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain cancer. However, the complete repertoire of signaling pathways that governs the

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