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      L-半胱氨酸鹽酸鹽-水物
      產品詳細介紹

      L-Cysteine HCL MONO 

      CAS NO7048-4-6

      Chemical Name

      L-Cysteine HCL MONO 

      Molecular Structure

      1.jpg

      Molecular Formula

      C3H7NO2S·HCL·H2O

      Molecular Weight

      175.63

      Characteristics

      White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol and ether

      Packing

      25/drum,25/carton

      Quality  Standard

      AJI92/USP28/EP5/FCCIV

      Specification

      Specific rotation[a]D20°          

      +5.5°+7.0°

      +8.0 +10.1°

      Calc.as.cysteine       

      State of solution

      Clear and colorless

      Heavy metals(Pb)  

      ≤10PPm

      Residue on ignition                           

      ≤0.1%  

      Iron(Fe)

      ≤10PPm

      Loss on drying                              

      8.512.0  

      Other amino acids                          

      Chromatographically not detectable  

      Arsenic(As2O3) 

      ≤1PPm  

      Chloride(CI) 

      19.8920.29

      Ammonium(NH4)

      ≤0.02%

      Sulfate(SO4)    

      ≤0.02%

      Assay                                  

      99.0100.5%             

      PH

      1.52.0


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