L-Threonine

Chemical Name: Synonyms: 2-Amino-3-hydroxybutyric acid; (2S,3R)-threonine; (2S,3R)-(-)-Threonine; L-2-Amino-3-hydroxybutyric acid; L-(-)-threonine; L-Threonine; T; Thr; Threonine;Molecular Formula: C4H9NO3 Molecular Weight: 119.12ITEM Limit Description White crystals or crystalline powder Identification Infrared absorption Specific rotation [a]D25 ° -26.7 °- -29.1° PH 5.0-6.5 Loss on drying ≤ 0.2% Residue on ignition ≤ 0.4% Chloride ≤ 0.05% Sulfate ≤ 0.03% Iron ≤ 0.003% Heavy metals ≤ 0.0015% Organic volatile impurities Meets the requirements Assay 98.5-101.5% Preserve in well-closed containers, at controlled room temperature. Property : White rhombic system crystal or crystalline powder. Smell-less, slight sweet taste. It is the essential amino acid. Recommended limit: 1 year.