Product Details

L-AMINO ACID > L-Threonine

    L-Threonine

    CAS NO:72-19-5

    Chemical Name L-Threonine
    Molecular Structure
    Molecular Formula C4H9NO3
    Molecular Weight 119.12
    Characteristics White crystalling powder
    Packing 25/drum25/carton
    Quality  Standard AJI92/USP28/EP5/FCCIV
    Specification
    Specific Rotation [a]D20o -27.6°~-29.0°
    State of solution Clear and colorless
    (Tranamittance)

    ≥98.0%

    Chloride(Cl) ≤0.02%
    Ammonium(NH4) ≤0.02% 
    Sulfate(SO4) ≤0.020%
    Iron (Fe) ≤10PPM
    Heavy metals(Pb) ≤10PPm 
    Arsenic (AS2O3) ≤1PPM
    Other amio acids Chromatographically not detecatable
    Loss on drying ≤0.10%
    Residue on ignition (Sulfated)  ≤0.10%
    Assay 99.0100.5%
    PH 5.26.2