levocetirizine
A non-sedative antihistamine that belongs to third generation, Levocetirizine is active enantiomer of cetirizine. It is an inverse agonist that decreases activity at histamine H1 receptors. It is more effective than cetirizine with fewer side effects. Reference standards of Levocetirizine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Deschloro Cetirizine
Catalogue No.:PA 12 11061
CAS :
83881-53-2
Molecular Formula : C21H26N2O3
Molecular Weight : 354.44