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Overview
Levocetirizine HCl is the active enantiomer of cetirizine, a third-generation antihistamine. Produced via chiral resolution or asymmetric synthesis, its molecular formula is C17H19ClN2O3 with CAS 149631-56-9.
Application
- Allergic rhinitis management in pharmaceutical formulations.
- Treatment of chronic idiopathic urticaria for symptom relief.
- Raw material supply for generic tablet and syrup manufacturing.
Precautions
Contraindicated in severe renal impairment without dosage adjustment. Store below 25°C in dry, light-resistant conditions. Handle with PPE to avoid inhalation or skin contact during processing.