L-Threonine

• Post Date:

  Jun 20,2016

• Expiry Date:

  Jun 20,2017

• Detailed Description:

  Cas No. :72-19-5 Quantity: 5000Metric Tons
  Specs:98.5-101.5%
  Payment Method: T/T L/C
  L-Threonine
  
  CAS:72-19-5
  
  Specification:
  
  ITEM
  
  
  STANDARD
  
  Appearance
  
  
  White crystals or Crystalline Powder
  
  Assay
  
  
  98.5-101.5%
  
  Specific Optical Rotation
  
  
  -26.7° --29.1°
  
  Iron
  
  
  ≤0.003%
  
  PH Value
  
  
  5.0-6.5
  
  Chloride
  
  
  ≤0.05%
  
  Heavy Metals
  
  
  ≤15ppm%
  
  Sulfate
  
  
  ≤0.03%
  
  Loss on drying
  
  
  ≤0.2%
  
  Residue on ignition
  
  
  ≤0.4%
  
  Individual impurities
  
  
  ≤0.5%
  
  Total impurities
  
  
  ≤2%
  
  Identification
  
  
  Infrared Absorption
  
  Package: 25KG bag or as buyer’s request

• CAS Registry Number:

  72-19-5

• Synonyms:

  ;L-2-Amino-3-hydroxybutyric acid;L-Threonine, USP Grade;L-Threonine, allo-Free;H-Thr-OH;(2S,3R)-(-)-Threonine;Thr;(2S,3R)-2-Amino-3-hydroxybutyric acid;2-Amino-3-hydroxybutanoic acid;1-(4-fluorophenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde semicarbazone;Threonine;L-Threonin;

• Molecular Formula:

  C₄H₉NO₃

• Molecular Weight:

  119.1192

• Molecular Structure:

  

• Safety Description:

  S24/25:;
  

• Company:

  Hebei Zhousheng Biological Technology CO., LTD         

• Contact:

  elaine

• Tel:

  0311-86556681

• Fax:

  0311-86556687

• Email:

  elaine@zsbiological.com