Basic Info
  • Grade: Pharmaceutical Grade

    Factory Location: Changsha high-tech development zone, 100 foot cloud road brought science park 14 layer 5, 501

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Sample Provided: no

    Payment Terms: L/L

     
    Product L-Methionine
    Shelf Life 3 years  
    Reference standard USP 32  
    Item Standard Conclusion of analysis
    Description white crystals or crystalline powder white crystalline powder
    Identification meets the requirements meet the requirements
    Specific rotation +22.4°~+24.7° +23.9°
    pH 5.6~6.1 5.8
    Loss on drying not more than 0.3% 0.12%
    Residue on ignition not more than 0.4% 0.08%
    Chloride not more than 0.05% less than 0.05%
    Sulfate not more than 0.03% less than 0.03%
    Iron not more than 0.003% less than 0.003%
    Heavy metals not more than 0.0015%  less than 0.0015%
    Chromatographic purity individual impurity≤0.5% meet the requirements
    Total impurities≤2.0%  meet the requirements
    Organic volatile impurities meet the requirements meet the requirements
    Assay 98.5%~101.5%  
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    Arshine Group Co.,Ltd.
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