Category:
Active Pharmaceutical Ingredients
CAS NO:
58-33-3
Standard:
In-house Standards,
99.0% ~ 101.0% of Promethazine Hcl according to BP2007 standards
Promethazine Hcl is a synthetic phenothiazine derivative used primarily as an antihistamine and sedative. Produced via chemical synthesis involving chlorpromazine intermediates, its molecular formula is C17H20ClN2S·HCl with CAS No. 62-73-9.
Strictly regulated due to CNS depression risks; store in cool, dry conditions away from light to maintain stability.