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• L-2-Aminobutanamide hydrochloride
• CBZ-L-Valine

Product name: D(-)-2-Aminobutyric acid
English name: D-2-Aminobutyric acid  D-alpha-Amino-n-butyric acid  (R)-(-)-2-Aminobutyric acid
CAS: 2623-91-8      
Molecular formula: C₄H₉NO₂  
Molecular weight: 103.12
Structural formula: 

Appearance: white or almost white crystal powder
Melting point: 300℃
Specific rotation: -21.2 ° ; soluble in water 
Specific rotation 0° (C=4.8 in 6M HCl 20℃)         
Melting point 291-293℃  
Loss on drying ≤0.3%                            
Chloride ≤0.02%   
Ignition residue ≤0.2%                            
Heavy metal ≤10mg/kg   
Purity ≥99% 
To use: pharmaceutical intermediate