• Suzhou Yingke Biotechnology Co., Ltd.
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    L-Leucine
    Product name: L-Leucine
    Molecular formula:

    C6H13NO2

    CAS NO.: 61-90-5
    Index:
    Other:

    Molecular formula :C6H13NO2

    Molecular weight :131.17

    CAS NO.:73-32-5

     

    Item

    AJI92

    USP28

    Assay

    98.5~101.0%

    98.5~101.5%

    pH

    5.5~6.5

    5.5~7.0

    Specific rotation        [a]D020

    +14.9°~+16.0°

     

        [a]D025

     

    +14.9°~+17.3°

    Transmittance T430

    clear & colorless
    ≥98.0%

     

    Chloride(Cl)

    ≤0.02%

    ≤0.05%

    Ammonium((NH4)

    ≤0.02%

     

    Sulfate(SO4)

    ≤0.02%

    ≤0.03%

    Iron(Fe)

    ≤10ppm

    ≤30ppm

    Heavy metals(Pb)

    ≤10ppm

    ≤15ppm

    Arsenic

    ≤1ppm

     

    Other amino acids

    ≤0.5%

     

    Loss on drying

    ≤0.20%

    ≤0.20%

    Residue on ignition

    ≤0.10%

    ≤0.40%

    Organic volatile impurities

     

    conforms

    Supply reference

    Production Process

     

    Packing specification

     

    Quote batch

     

    Quotation reference     yuan / ton

     

    Quote validity period

     

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