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S-羧甲基-L-半胱氨酸
产品详细介绍

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/drum25/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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