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    Home > Chemicals Industry > Chemical Technology > Crystal blue glycoside

    Crystal blue glycoside

    • Last Update: 2022-04-11
    • Source: Internet
    • Author: User
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    Crystal blue glycoside

    Monotropein

    【Structural formula】


    [Molecular formula and molecular weight] C 16 H 22 O 11 ; 390.


    [Source] Pyrola calliantha H.


    【Properties】White powder


    This product is soluble in water and methanol


    Melting point: 147.


    【Purity Check】

    TLC

    1.


    Developing solvent n-butanol - acetic acid - water (5:4:1)

    Check under UV light (366nm) before color development, and under UV light (366nm) after color development with 10% sulfuric acid ethanol solution

    2.


    Developing solvent ethyl acetate - methanol - water - acetic acid (5:1.


    Check under UV light (366nm) before color development, and under UV light (366nm) after color development with 10% sulfuric acid ethanol solution

    High performance liquid chromatography

    Column Agilent Zorbax C 18 , 5um (4.


    The mobile phase methanol - 0.


    Detection wavelength 235nm

    【Structural identification】235


    3570, 3359, 1674, 1615, 1188, 1045, 992, 866, 793


    ESI-MS m/z: 413 [M+Na] +


    1 H-NMR (D 2 O) δ: 7.


    13 C-NMR (D 2 O) δ: 97.


    【Storage】Dry and airtight
    .

     

     

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