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Mutual Chemical Imp. & Exp. Co.,  Ltd.
Mutual Chemical Imp. & Exp. Co., Ltd.
China
  • Products Catalog

    N-Acetyl-L-Tryptophan

    Quantity Order:
    Origin:
    China

    Specification :

    N-Acetyl-L-Tryptophan
    CAS No.: 1218-34-4

    Item Specification
    Appearance White crystals or crystalline powder
    Specific Rotation[ ± ] D20 + 25.8° to + 27.0°
    State of solution Clear and colorless
    Not less than 95.0%
    Chloride ( Cl) Not more than 0.020%
    Ammonium ( NH4) Not more than 0.02%
    Sulfate ( SO4) Not more than 0.020%
    Iron ( Fe) Not more than 10ppm
    Heavy Metals ( Pb) Not more than 10ppm
    Aresenic ( As2O3) Not more than 1ppm
    Other amino aicds No spot
    Loss on drying Not more than 0.20%
    Residue on ignition Not more than 0.10%
    Assay 98.5% to 101.0%
    pH 2.0 to 3.5



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