Sichuan Tongsheng Biotechnology Co.,Ltd

Sichuan Tongsheng Biotechnology Co.,Ltd

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  • Company Name: Sichuan Tongsheng Biotechnology Co.,Ltd
  • Street: Tianyuan Development Zones
  • City: Deyang
  • Province/state: Sichuan
  • Country/region: China
  • Contact Person: Mr.Ronghu Chen
  • Tel: 86-838-2504166
  • Fax: 86-838-2274207
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D-Leucine 328-38-1

  • CAS No:328-38-1 (2R)-2-amino-4-methylpentanoic acid
    Molecular Structure

    Detailed Description

    Appearance
    White fine crystals or White power

    Specific rotation(20/D)
    (C=4 in 6N HCL)
    -14.0 to -16.0 Degree

    State of solution
    (Transmittance)
    Clear and colorless
    Not less than 98.0%

    Chloride (Cl)
    Not more than 0.020%

    Heavy metals(Pb)
    Not more than 10ppm

    Arsenic(As2O3)
    Not more than 1ppm

    Other amino acids
    Chromatographically
    Not detectable

    Loss on drying
    Not more than 0.20%

    Residue on ignition(sulfated)
    Not more than 0.10%

    Assay
    99 to100.5%