Category:
Prophylactic Biological Products
CAS NO:
256-710-8
Standard:
ChP,
chinese GMP available
Terfenadine is a second-generation antihistamine formerly used for allergic rhinitis. Its core synthesis involves specific organic coupling reactions. The molecular formula is C32H41NO2 with CAS number 55609-68-8.
Withdrawn from most markets due to severe cardiotoxicity risks, specifically QT prolongation and arrhythmias when co-administered with CYP3A4 inhibitors. Strict storage in cool, dry conditions away from oxidizers is required for any remaining stock or intermediate handling.