L-Cysteine

Legal number: (CAS RN): 56-89-3 
Molecular formula: C6H12N2O4S2
Molecular weight: 240.29
Physical and chemical properties: properties White hexagonal tabular crystal or white crystalline powder. Solubility soluble in dilute acid and alkali solution, extremely difficult to dissolve in water, insoluble in ethanol.
USES: used in medicine, food, cosmetics and other industries.
Standard: USP28 AJI92