Name:L-Cystine

Name:L-Cystine
1.Cas no.:56-89-3
2.White crystal or crystalline powder; tasteless
3.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.