Enalapril

Enalapril EP Impurity A Enalapril Impurity A:

(R,S,S)-Enalapril HCl ; Enalapril HCl (1R)-Isomer ; CAS : 1356932-13-2 (maleate salt) ; 76420-74-1 (base) ; C20H29ClN2O5 ; Mol. Wt.: 412.91 ;

Enalapril EP Impurity B Enalapril Impurity B:

 

(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoic acid ; CAS : 82717-96-2 ; C15H21NO4 ; MW: 279.33 ;

Enalapril EP Impurity C Enalapril Impurity C:

 

(2S)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic acid ;

CAS : 84680-54-6 ; C18H24N2O5 ; MW: 348.39 ;

Enalapril EP Impurity D Enalapril Impurity D :

 

Ethyl (2S)-2-[(3S,8aS)-3-methyl-1,4-dioxooctahydropyrrolo [1,2-a]pyrazin-2-yl]-4-phenylbutanoate ; CAS : 115729-52-7 ; C20H26N2O4 ; MW: 358.43 ;

Enalapril EP Impurity E Enalapril Impurity E:

 

(2S)-1-[(2S)-2-[[(1S)-3-Phenyl-1-[(2-phenylethoxy)carbonyl]propyl]amino]propanoyl]pyrrolidine-2-carboxylic acid ; C26H32N2O5 ; MW: 452.54 ;

Enalapril EP Impurity F Enalapril Impurity F:

 

(2S)-1-[(2S)-2-[[(1S)-1-(Butoxycarbonyl)-3- phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic acid hydrochloride ; CAS : 76420-77-4 (rac) ; C22H33ClN2O5 ; MW: 440.96 ;

Enalapril EP Impurity G Enalapril Impurity G:

Enalapril Cyclohexyl ECPPA Analog ; (2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl]amino] propanoic acid ;  CAS : 460720-14-3 ; C15H27NO4 ; MW: 285.38 ;

Enalapril EP Impurity H Enalapril Impurity H:

 

(2S)-1-[(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl] amino]propanoyl]pyrrolidine-2-carboxylic acid HCl ; C20H34N2O5 (base) ; MW: 382.49 ;  C20H35ClN2O5 (HCl salt) ; MW: 418.96 ;