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  • Tel:+86-713-8666233 / 8586558
    Huanggang Hengxingyuan Chemical Co., Ltd.
    Current location:Products
    Melatonin

    Molecular formula: C13H16N2O2
    Molecular weight: 232.28
    English name: Melatonin
    CAS number: 73-31-4

    project

    standard

    experimental result

    differentiate

    Infrared or nuclear resonance

    conforms

    Loss on drying

    0.5% MAX

             0.26%

    Ignition residue

    0.5% MAX

    0.17%

    heavy metal

    10 ppm MAX

            符合規定

    single impurity

    0.1% MAX

            符合規定

    Total impurities

               1.0% MAX

            符合規定

    Assay

    (TCL)

    ≥99.0%

            ≥99.0%

    Assay

    (HPLC)

              ≥99.0%

             99.57%

    melting point

    117~120℃

    118.3~118.5℃

    Conclusion: This product meets the requirementsBP2018/USP39

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