Category:
Active Pharmaceutical Ingredients
CAS NO:
1680184-59-1
Standard:
EP,
Afatinib Impurity B is a critical process-related impurity associated with the synthesis of Afatinib dimaleate. It serves as a reference standard for quality control in pharmaceutical manufacturing. The molecular formula is C21H24ClFN4O3S, and its CAS number is 1078695-86-3.
Store strictly below -20°C in a dry, inert atmosphere to prevent hydrolysis. Handle only within a certified fume hood using appropriate PPE due to potential biological activity. Not intended for direct clinical use or human administration.