KTT05B: Ketotifen EP Impurity E

4-Oxo Ketotifen ;

10-(1-Methylpiperidin-4-ylidene)-5,10-dihydro-4H-benzo-[5,6]cyclohepta[1,2-b]thiophen-4-one ;

CAS # 1346603-71-1 ;

C19H19NOS ;
Mol. Wt.: 309.43 ;