Cetirizine for peak identification

European Pharmacopoeia (EP) Reference Standard

[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]acetic acid dihydrochloride, Cetirizine dihydrochloride
Empirical Formula (Hill Notation):
C21H25ClN2O3 · 2HCl
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:


pharmaceutical primary standard





Featured Industry

Pharmaceutical (small molecule)



storage temp.


SMILES string




InChI key


Gene Information

human ... HRH1(3269)

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Biochem/physiol Actions

Cetirizine hydrochloride is an orally active and selective H1-receptor antagonist. Antihistaminic; Piperazines. Non-sedating type histamine H1-receptor antagonist; major metabolite of hydroxyzine. Pharmacological activity resides primarily in the (R)-isomer.


Unit quantity: 1 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.


Other Notes

Sales restrictions may apply.


Exclamation mark

Signal Word


Hazard Statements

Precautionary Statements


Acute Tox. 4 Oral


13 - Non Combustible Solids

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Céline Caillet et al.
British journal of clinical pharmacology, 74(5), 886-889 (2012-03-13)
The physicochemical properties of racemates and stereoisomers of medicines can differ significantly, and this may affect the side-effect profile in addition to the pharmacokinetics and intended pharmacology. This is a study to investigate the profile of adverse drug reactions of...
Agnieszka Biedroł et al.
Pediatrics, 133(4), e1068-e1071 (2014-03-26)
The occurrence of stabbing headaches in children requires a thorough diagnostic approach that excludes secondary headaches. The organic background should be taken into consideration when alarming symptoms occur, such as a purely 1-sided location, a change in the character of...
Benno Brinkhaus et al.
Annals of internal medicine, 158(4), 225-234 (2013-02-20)
Chinese translation Acupuncture is frequently used to treat seasonal allergic rhinitis (SAR) despite limited scientific evidence. To evaluate the effects of acupuncture in patients with SAR. Randomized, controlled multicenter trial. (ClinicalTrials.gov: NCT00610584) 46 specialized physicians in 6 hospital clinics and...
Joya S Griffin et al.
The Canadian veterinary journal = La revue veterinaire canadienne, 53(1), 47-50 (2012-07-04)
Cetirizine hydrochloride was administered orally at 5 mg/cat, q24h, to 32 cats with allergic skin disease. Pruritus was reduced in 41% (13/32) of the cats. The antipruritic effect was repeatable and sustainable. There was no significant association between patient age...
Macheng Yan et al.
Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan, 33(1), 60-64 (2013-04-20)
To investigate the potential rules and knowledge of Traditional Chinese Medicine (TCM) and Western Medicine (WM) treatment on chronic urticaria (CU) based on data-mining methods. Sixty patients with chronic urticaria, treated with TCM and WM, were selected. Gray correlation analyses...

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service