Category:
Active Pharmaceutical Ingredients
CAS NO:
682323-77-9
Standard:
EP,
Cetirizine Impurity E is a critical reference standard for the pharmaceutical industry, defined as [2-(2-{4-[(4-Chlorophenyl)(phenyl)methyl]-1-piperazinyl}ethoxy)ethoxy]acetic acid. Synthesized via etherification and hydrolysis pathways during Cetirizine production, it serves as an essential marker for purity assessment. The molecular formula is C22H27ClN2O4, with CAS No. 106893-58-5.
Store in a cool, dry place below 25°C away from light. Handle with appropriate PPE including gloves and goggles to prevent skin contact. Not intended for direct clinical use; strictly for laboratory research and analytical calibration purposes only.