2. Enalapril Maleate Intermediates:

[1] N- [1-(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanine (for Enalapril etc.)

　　　　　　　　　　　　　　　　　　C15H21NO4 279.3
　　　　　　　　　　　　　　　　　　CAS：82717-96-2

Appearance: White or off-white crystalline powder
Assay(titration):≥98.0%
Assay(HPLC):≥99.0%
Package: 25Kg/Drum
Storage: Preserve in well-closed containers, Protected from light.

[2] N- [1-(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanyl-N-carboxy anhydride (for Enalapril)

　　　　　　　　　　　　C16H19NO5 305.3
　　　　　　　　　　　　CAS：84793-24-8
Appearance: White or off-white crystalline powder
Assay (HPLC):≥98.0%
Package: 25Kg/Drum
Storage: Preserve in well-closed containers full of nitrogen, Protected from light.

3. Ramipril intermediates:

[1] Endo, cis-2-azabicyclo [3,3,0] octane-3-carborylic acid benzyl ester hydrochloride (for Ramipril)

　　　　　　　　　　　　　　　　 C15H19NO2·HCl 281.8
　　　　　　　　　　　　　　　CAS: 93779-29-4
Appearance: White or off-white crystalline powder
Assay (HPLC)：≥99.0%
Package: 25Kg/Drum
Storage: Preserve in well-closed containers, Protected from light.

[2] (1S, 3S, 5S)-2-azabicyclo [3,3,0] octane-3-carborylic acid benzyl ester hydrochloride (for Ramipril)

　　　　　　　　　　　　　　　　C15H19NO2·HCl 281.8
　　　　　　　　　　　　　　　　CAS：87269-87-2
Appearance: White or off-white crystalline powder
Assay (HPLC):≥98.0%
Package: 25Kg/Drum
Storage: Preserve in well-closed containers, Protected from light.