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      S-羧甲基-L-半胱氨酸
      產品詳細介紹

      S-Carboxymethyl-L-Cysteine

      CAS NO74-79-3

      Chemical Name

      L-Arginine Base

      Molecular Structure

      1.jpg

      Molecular Formula

      C5H9NO4S

      Molecular Weight

      179.19

      Characteristics

      White  crystals or crystalline powder,strongly acid taste

      Packing

      25/drum,25/carton

      Quality  Standard

      AJI92/USP28/EP5/FCCIV

      Specification

      Specific rotation[a]D20°          

      -33.5°~-36.5°         

      State of solution

      Clear and colorless

      (Tranamittance)

      ≥98.0%

      Chloride(Cl)

      ≤0.039%

      Ammonium(NH4)                    

      ≤0.02%               

      Sulfate(SO4)                            

      ≤0.020%       

      Iron(Fe)                             

      ≤30PPm           

      Heavy metals(Pb)                  

      ≤10PPm              

      Arsenic(As2O3)                     

      ≤1PPm               

      Other amino acids                  

                                               

      Chromatographically  not detectable 

      Loss on drying                      

      ≤0.30%

      Residue on ignition (Sulfated)                          

      ≤0.10%

      Assay                                  

      98.5101.0%             

      PH                                         

      2.03.5              


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