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Cetirizine Dihydrochloride
(CAS RN:83881-52-1 Product Number:C2316)


Cetirizine Dihydrochloride

General Information

Product Number C2316

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Purity/Analysis Method >98.0%(HPLC)(T)
Storage Temperature
M.F. / M.W. C21H25ClN2O3·2HCl=461.81
CAS RN 83881-52-1
Related CAS RN 83881-51-0
MDL Number MFCD00941428
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %

Data of Reference

mp 225°C(lit.)


Reaxys-RN 9100316
PubChem SID 87560950
Merck Index(14) 2022
RTECS# AG0980000


Signal Word Warning
Hazard Statements
  • H302
  • :Harmful if swallowed.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P270
  • :Do not eat, drink or smoke when using this product.
  • P301+P312+P330
  • :IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. Rinse mouth.
  • P501
  • :Dispose of contents/container through a waste management company authorized by the local government.

Transport Information

HS Number 2933599590


Cetirizine dihydrochloride: A Second-Generation Histamine H1-Receptor Antagonist

Cetirizine dihydrochloride is a second-generation histamine H1-receptor antagonist with a long duration of activity and low potential for interaction with drugs metabolised by the hepatic cytochrome P450 system. The active R-enantiomer of cetirizine is levocetirizine [L0264].


PubMed Literature

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