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  • Products Catalog

    N-Acetyl-L-Cysteine

    Quantity Order:
    Origin:
    China

    Specification :

    N-Acetyl-L-Cysteine
    CAS No.: 616-91-1

    Item Specification
    Appearance White crystals or crystalline powder
    Specific Rotation[ ± ] D20 + 21.3° to + 27.0°
    State of solution Clear and colorless
    Not less than 98.0%
    Chloride ( Cl) Not more than 0.04%
    Ammonium ( NH4) Not more than 0.02%
    Sulfate ( SO4) Not more than 0.030%
    Iron ( Fe) Not more than 20ppm
    Heavy Metals ( Pb) Not more than 10ppm
    Aresenic ( As2O3) Not more than 1ppm
    Other amino aicds Chromatographically not detectable
    Loss on drying Not more than 0.5%
    Residue on ignition Not more than 0.20%
    Assay 98.5% to 101.0%
    pH 2.0 to 2.8
    Melting point 106° to 110°



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