Product Details

L-AMINO ACID > L-Methionine

    L-Methionine

    CAS NO:63-68-3

    Chemical Name L-Methionine
    Molecular Structure
    Molecular Formula C5H11NO2S
    Molecular Weight 149.21
    Characteristics White crystalline powder
    Packing 25/drum25/carton
    Quality  Standard AJI92/USP28/EP5/FCCIV
    Specification
    Specific rotation[a]D20° +23.0°~+24.5° 
    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 Conforms
    Loss on drying ≤0.20%
    Residue on ignition (Sulfated) ≤0.10%
    Assay 99.0100.5%  
    PH 5.66.1