| Message: | Name: L-Cystine
Cas: 56-89-3
MF: C6H12N2O4S2
EINECS: 200-296-3
White crystal or crystalline powder; tasteless 
Assay 98.5~101.0 %
Properties:White crystal or crystalline powder, odorless, flavorless, almost insoluble in water or ethanol, soluble in diluted acid or basic hydroxide solutions.
Specific rotatory power[] D20 -215o -225o 
Clarity 98.0% 
Ammonium salt[NH4] 0.02% 
Chloride[CL] 0.02% 
Residue on ignition 0.10% 
Sulfate[SO4] 0.02% 
Iron salt[Fe] 10 ppm 
Heavy metal[Pb] 10 ppm 
Arsenic salt 1 ppm 
Other amino acid Color layer can not be checked out. 
Loss on drying 0.20% 
Content 98.5 -101.0% 
Use:Used in biochemical research, nutrient; cure congenital cystinuria etc..
Storage:Stored in sealed container at room temperature.
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