Cetirizin dihydrochloride

≥98.0% (HPLC)

Empirical Formula (Hill Notation):
C21H25ClN2O3 · 2HCl
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:

Quality Level


≥98.0% (HPLC)

SMILES string




InChI key


Gene Information

human ... HRH1(3269)


Cetirizin (CTZ) may be used in studies on the treatment of cutaneous mastocytosis (urticaria pigmentosa). Cetirizin, an antihistamine, may be useD in allergy research as an antagonist of the histamine 1 receptor (H1R).


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Hazard Statements


Acute Tox. 4 Oral


13 - Non Combustible Solids

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

M Gschwandtner et al.
Allergy, 68(1), 37-47 (2012-11-20)
Defects in keratinocyte differentiation and skin barrier are important features of inflammatory skin diseases like atopic dermatitis. Mast cells and their main mediator histamine are abundant in inflamed skin and thus may contribute to disease pathogenesis. Human primary keratinocytes were...
K Rossbach et al.
Neuroscience, 190, 89-102 (2011-06-22)
Histamine has long been recognised as a classical inducer of pruritus. However, the specific mechanism of histamine-induced itch has still not been fully understood. The H1 and H4 receptor appear to be key components in the induction of itch. The...
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...

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