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CAS RN: 1163-36-6 | Product Number: C3468

Clemizole Hydrochloride

Purity: >98.0%(HPLC)
  • 1-(4-Chlorobenzyl)-2-(pyrrolidin-1-ylmethyl)benzimidazole Hydrochloride
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This product is a sample for RUO (research use only). Do not use this product for any purpose other than testing and research.

Product Number C3468
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__1__9H__2__0ClN__3·HCl = 362.3  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 1163-36-6
Related CAS RN 442-52-4
Reaxys Registry Number 3791565
PubChem Substance ID 354335133
Merck Index (14) 2346
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Elemental analysis(Nitrogen) 11.00 to 12.00 %
Properties (reference)
Melting Point 241 °C
Solubility in water Soluble
Solubility (insoluble in) Diethyl ether
Pictogram Pictogram
Signal Word Warning
Hazard Statements H302 : Harmful if swallowed.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P270 : Do not eat, drink or smoke when using this product.
P264 : Wash skin thoroughly after handling.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
Related Laws:
EC Number 214-605-4
RTECS# DD6730000
Transport Information:
HS Number 2933998090
Clemizole Hydrochloride: A Histamine H1 Receptor Antagonist with Anti-Virus and Various Effects

Clemizole hydrochloride is a histamine H1 receptor antagonist1). Recently, it is reported that clemizole inhibits hepatitis C virus (HCV) replication2), and also potently inhibits transient receptor potential channel 5 (TRPC5).3) In addition, clemizole reportedly can be used for the treatment of Dravet syndrome which is often caused by Scn1a mutations, a voltage-gated sodium channel.4) (The product is for research purpose only.)


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