Factory supply L-METHIONINE SULFONE with best price CAS 7314-32-1
  • Item No.TOP
    MOQ1 Kilogram / Kilograms
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    Product Description

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    ItemStandardTest Results

    Identification

    A.H-NMR:Comply with the structure

    Complies

    B.LC-MS:Comply with the structure

    Complies

    C.The IR spectrum of sample should be identical with that of reference standard;

    Complies

    D.HPLC-ESI-MS

    The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.

    Complies

    Crystallinity

    meets the requirements.

    Complies

    Loss on drying

    ≤2.0%

    0.19%

    Heavy metals

    ≤10 ppm

    <10ppm

    Water

    ≤1.0%

    0.1%

    Sulphated ash

    ≤0.5%, determined on 1.0 g.

    0.009%

    Related substances

    Unspecified impurities: for each impurity

    ≤0.10%

    <0.10%

    Total Impurity

    ≤0.5%

    0.18%

    Purity

    ≥99.0%

    99.7%

    Assay

    99.0%~101.0% (anhydrous substance).

    99.8%

    Microbiological Analysis

    Total plate count

    ≤1000cfu/g

    Complies

    Yeast and Moulds

    ≤100cfu/g

    Complies

    E. Coli.

    Absent

    Negative

    Salmonella

    Absent

    Negative

    S.aureus

    Absent

    Negative

    Storage

    Preserve in well-closed, light-resistant and airtight containers.

    Complies

     

     

     

    Packaging & Shipping

     

     

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    Our Services

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    Company Information

     

    Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals 

    and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

    The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system 

    all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

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    FAQ

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