Appearance White fine crystals or White power Specific rotation(20/D) (C=4 in 6N HCL) -14.0 to -16.0°Degree State of solution (Transmittance) Clear and colorless Not less than 98.0% Chloride (Cl) Not more than 0.020% Heavy metals(Pb) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Other amino acids Chromatographically Not detectable Loss on drying Not more than 0.20% Residue on ignition(sulfated) Not more than 0.10% Assay 99 to100.5%

CAS NO:328-38-1

EC NO:206-327-7

Molecular Formula:C₆H₁₃NO₂

Molecular Weight:131.1729

Synonyms:;2S)-alpha-leucine;(S)-(+)-Leucine;(S)-2-Amino-4-methylvaleric acid;(S)-Leucine;2-Amino-4-methylpentanoic acid (L);2-Amino-4-methylpentanoic acid, (S)-;2-Amino-4-methylvaleric acid (L);4-Methyl-norvaline;D-Leucine;D-Leu;H-D-Leucine;H-D-Leu-OH;

Molecular Structure: