QPR05H: Quinapril EP Impurity E

Quinapril HCl Cyclohexyl Analog ;

Quinapril Impurity E ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester HCl ;

CAS # 2055735-09-4 (Base) ;

C25H36N2O5 (base) ; MW: 444.56 ;

C25H37ClN2O5 (HCl salt) ; MW: 481.02 ;

Supplied as HCl salt ;