Category:
Preclinical Research Services
CAS NO:
134-85-0
Standard:
USP, EP,
Cetirizine Impurity 16 is a critical degradation product and synthetic intermediate in the manufacturing of the antihistamine Cetirizine. Its molecular formula is C21H25ClN2O3 with CAS No. 203479-83-0, typically generated during the condensation steps involving levocetirizine precursors.
Store at controlled room temperature (15-25°C) in a dry, well-ventilated area away from direct sunlight. Personnel must wear appropriate PPE including nitrile gloves and safety goggles during handling to prevent dermal absorption or inhalation of dust particles.