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              L-amino acids
              L-Cystine
              L(+)-Cysteine
              L-Cysteine hydrochloride anhyd
              L-Cysteine hydrochloride monoh
              L-Tyrosine
              L-Leucine
              L-Valine
              L-PHENYLALANINE
              L(+)-Citrulline
              L-Serine
              L-Histidine
              D/DL-amino acids
              N-acetyl amino acid
              Other amino acid products
               
               

              Hotline: 400-0510-518
              Tel: +86-510-80245888
              Fax: +86-510-80245999
              Mobile: +86-13771475147

               
               
               
              Product Name: L-Cystine
              Medicines: --
              Properties: white crystal or crystal powder
              Formula:

              C3H7NO2S3

              Weight: 185.28818
              Cas   No: 56-89-3
               
                 Product Description:
               

              Product description
              Packing: inner double layer plastic film, outer fiber can; 25kg/drum
              Storage: 2 years in seal and shading place

              【Quality Standard】

              Item

              USP28

              Assay

              98.5~101%

              pH

              5.5~6.5

              Specific rotation[a]D020

              - 215°~ - 225°

              Chloride(Cl)

              ≤0.02%

              Ammonium(NH4)

               ≤0.02%

              Sulfate(SO4)

              ≤0.02%

              Iron(Fe)

              ≤10ppm

              Heavy metals(Pb)

              ≤10ppm

              Arsenic

              ≤1ppm

              Other amino acids

              Not detectable

              Loss on drying

              ≤0.20%

              Residue on ignition

              ≤0.10%

              Main uses : biochemical research, preparation of culture medium, food condiment, main component of amino acid transfusion, feed nutritional supplement, cosmetic additive

               
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