Wuhan Yuancheng Gongchuang Technology Co.Ltd.

Wuhan Yuancheng Gongchuang Technology Co.Ltd.

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  • Company Name: Wuhan Yuancheng Gongchuang Technology Co.Ltd.
  • Street: No.496,Zhongshan Road, Wuhan, Hubei, China
  • City: wuhan
  • Province/state: Hubei
  • Country/region: China
  • Contact Person: Ms.Garry Wang
  • Department: Sales
  • Tel: 86-187-02759822
  • Fax: 86-27-68886696
  • Email:

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

    Any information ,Pls contact through spy@chembj.com
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  • L-Cysteine base
  • L-Cysteine base