Category:
Active Pharmaceutical Ingredients
CAS NO:
1
Standard:
USP;BP,
Levocetirizine Dihydrochloride is the active R-enantiomer of cetirizine, a third-generation antihistamine. Manufactured via asymmetric synthesis or chiral resolution, its molecular formula is C17H20ClN3O2 and CAS number is 149661-65-0.
Contraindicated in severe renal impairment without dosage adjustment. Store in cool, dry conditions below 25°C away from direct sunlight to maintain stability.