Features of L-Hydroxyproline 
  Product Name: L-Hydroxyproline 
  Chemical Formula: Chemical Formula: C5H9NO3 
  Cas 51-35-4 
  Dangerous Grade: None 
  
 
  Technical Data of L-Hydroxyproline 
  ITEM SPECIFICATION 
  Appearance White crystals or crystalline powder 
  Assay 98.5%~101.0% 
  State of solution ≥95.0% 
  Specific rotation -74.0°~ -77.0° 
  pH 5.0-6.5 
  Chloride (CL) ≤0.020% 
  Sulfate(SO4) ≤0.020% 
  Ammonium(NH4) ≤0.020% 
  Heavy Metals(Pb) ≤10ppm 
  Iron(Fe) ≤10ppm 
  Arsenic(AS2O3) ≤1ppm 
  Other amino acids conforms 
  Loss on drying ≤0.20% 
  Residue on ignition ≤0.10% 
  
 
  Package and Storage: 
  25kg/drum 
  Store in a cool, dry place. Store in a tightly closed container 
  Application /Application Industries: 
  Flavors&Fragrance: flavoring agent, nutrient supplements 
  Pharmaceuticals: for the synthesis of antibiotics/anti-hypertension drug 
  
 
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