High purity N-[(S)-1-Carbethoxy-1-butyl]-(S)-alanine for Perindopril CAS NO.82834-12-6

N-[(S)-1-Carbethoxy-1-butyl]-(S)-alanine[CAS:82834-12-6]

Perindopril Intermediate  

(S)-(-)-Indoline-2-Carboxylic Acid CAS:79815-20-6
N-[(S)-1-Carbethoxy-1-Butyl]-(S)-Alanine CAS:82834-12-6 
(2S,3aS,7aS)-2-Carboxyperhydroindole CAS:80875-98-5  

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N-[(S)-1-Carbethoxy-1-butyl]-(S)-alanine[CAS:82834-12-6]

Name		N-[(S)-1-Carbethoxy-1-butyl]-(S)-alanine
Synonyms		(2S)-2-(((S)-1-(ethoxycarbonyl)butyl)amino)propanoic acid
Molecular Structure
Molecular Formula		C10H19NO4
Molecular Weight		217.26
CAS Registry Number		82834-12-6

Items                     Specifications                 Results

Appearance:            white crystalline powder            Complies 

Specific rotation[α]_D²⁰:         +2⁰~+5⁰                              +3.00⁰

Melting Point:                145-150℃                  148.5-149.3℃     

Assay:                      98.0-101.5%                 99.31%

Loss on drying:               1.0%max.                   0.75%

Residue on ignition:           1.0%max.                    0.74%

Remain solvent(GC):

Ethanol:                   5000ppm max.                 Complies

Acetonitrile:                500ppm max.                  Complies

Conclusion:It Complies with the Enterprise’s Standard .

(S)-(-)-Indoline-2-Carboxylic Acid CAS:79815-20-6
N-[(S)-1-Carbethoxy-1-Butyl]-(S)-Alanine CAS:82834-12-6 
(2S,3aS,7aS)-2-Carboxyperhydroindole CAS:80875-98-5  

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