Hangzhou Dingyan Chem Co.,Ltd

Hangzhou Dingyan Chem Co.,Ltd

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  • Company Name: Hangzhou Dingyan Chem Co.,Ltd
  • Street: Xiasha 571, 19TH Street E-COMMERCE 4A 601-602 , Jianggan Area
  • City: hangzhou
  • Province/state: Zhejiang
  • Country/region: China
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L-Methionine

  • CAS No:63-68-3 (2S)-2-amino-4-methylsulfanylbutanoic acid
    Molecular Structure

    Detailed Description

    Appearance:White crystal powder
    Assay:(on dry basis):98.5%~101.5%
    Identification:A.infrared absorption
    Residue on ignition≤0.4%
    Chloride≤0.05%
    Sulfate ≤0.03%
    Iron≤30ppm
    Related compound≤0.0001%
    Individual impurity≤0.5%
    Total impurity ≤2.0%
    Specific rotation:+22.4o~ +24.7o
    PH:5.6-6.1
    LOSS ON DRYING≤0.3%