Category:
Active Pharmaceutical Ingredients
CAS NO:
119-56-2
Standard:
EP,
Cetirizine Impurity I is a known degradation product of the antihistamine Cetirizine, primarily formed during synthesis or storage. Its molecular formula is C20H25ClN2O4, with CAS No. 18679-23-7. This impurity serves as a critical reference standard for quality control in pharmaceutical manufacturing.
Store in a cool, dry place away from light to prevent degradation. Personnel must wear appropriate PPE during handling due to potential irritant properties. Strictly limit exposure in clinical settings as it lacks therapeutic efficacy compared to the parent compound.