Quetiapine EP Impurity E ;

Quetiapine bis-Ether ;

1,2-bis[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethane tetrahydrochloride ;

CAS # 1371638-05-9 (base) ;

Base: C40H44N6O2S2 ; MW: 704.95 ;

Supplied as HCl Salt: C40H48Cl4N6O2S2 ; MW: 850.79 ;