Wuhan Yuancheng Gongchuang Technology Co.,ltd

Wuhan Yuancheng Gongchuang Technology Co.,ltd

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  • Company Name: Wuhan Yuancheng Gongchuang Technology Co.,ltd
  • Country/region: China
  • Contact Person: Ms.Gloria Cui
  • Tel: 86-027-50756026
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L-Cysteine base

  • CAS No:52-90-4 (2R)-2-amino-3-sulfanylpropanoic acid
    Molecular Structure

    Detailed Description

    L-Cysteine base


    Cas No.:52-90-4

    Quality Standard: AJI97

    Description: white crystals or crystalline powder.

    Solubility (H2O, g/100g): about 16(20°)

    Specific rotation: +8.3 to +9.5°

    State of solution(transmittance): Not less than 95.0%

    Chloride: Not more than 0.04%

    Ammonium: Not more than 0.02%

    Sulfate: Not more than 0.030%

    Iron: Not more than 10ppm

    Heavy metals(Pb): Not more than 10ppm

    Arsenic: Not more than 1ppm

    Other Amino Acids: conforms

    Loss on drying: Not more than 0.5%

    Residue on ignition(sulfated): Not more than 0.10%

    Assay: 98.0 to 101.0%

    PH: 4.5 to 5.5

    Storage: Preserve in tight containers at controlled room temperature.

    Recommended limit: 1 year


    EXW Price: USD18/KG

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  • L-Cysteine base
  • L-Cysteine base