Ketotifen Free Base--Taicang Hutai Weidong Chemical Factory

API
	Ketotifen fumarate
	Pizotifen
	Pizotifen malate
Pharmaceutical intermediates
	Methoxy substance
	Ketotifen Free Base
	10-Methoxy-5h-dibenz...

Ketotifen Free Base
CAS NO.	/
Chemical name	9,10-dihydro-4H-benzo [4,5] cycloheptane-[1,2-a] thienyl -10 ketone-4--ketone
Molecular formula	C₁₉H₁₉NOS
Molecular weight	309.43
Structure formula
Description	For the synthesis of antihistamines ketotifen, treatment and prevention of allergic asthma