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

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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...
Ko-Haung Lue et al.
International journal of pediatric otorhinolaryngology, 76(7), 994-1001 (2012-04-20)
Supplementary consumption of probiotics may temporarily alter the intestinal microflora of infants and children, thereby preventing and treating allergic disorders. To compare the clinical efficacy of levocetirizine with that of levocetirizine plus Lactobacillus johnsonii EM1 (Lj EM1) for treating perennial...
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...

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