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.