中文名字：D-α-氨基丁酸

Product Name:D-α-Amino-butyric acid
Synonyms:(R)-(−)-2-Aminobutyric acid
Molecular Formula:C₂H₅CH(NH₂)CO₂H
CAS #:2623-91-8

Test Items	Standard
Appearance	White fine crystals
Assay	98.0 to 101.0%
Specific Rotation [α]20/D	−7.94? c = 4 in water
Melting point	>300 癈(lit.)
Chloride (Cl)	Not more than 0.10%
Heavy Metals (Pb)	Not more than 10 PPM
Loss on Drying	Not more than 0.20%
Residue on Ignition (Sulfate)	Not more than 0.20%