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CAS No:63-68-3 (2S)-2-amino-4-methylsulfanylbutanoic acid
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L-Methionine

  • CAS No.: 63-68-3
  • Purity: ≥99%
  • Min quantity: 1 Kilograms
  • Price: USD 1~100/Kilograms
  • Place of Orign: hangzhou,Zhejiang,China
Ms.Paula Yang

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Item specifics

  • Product Name.:L-Methionine
  • CAS No: 63-68-3
  • Weight: 149.21134
  • Formula: C5H11NO2S
  • Melting Point: 276-279 ºC (DEC.)
  • Boiling Point: 306.9 °C at 760 mmHg
  • Density: 1,34g/cm

Details

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%

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

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