L-Cystine

Product name: L-Cystine
CAS no.: 56-89-3
Molecular Formula: C6H12N2O4S2  
Molecular Weight: 240.29
Product description: It is a kind of sulfur-containing amino acids and small amount of existing in proteins, more contained in the keratin hair, fingers, etc.  It can also be obtained by synthesis. Industry were extracted from the hair, the yield can reach 7.5 8%. Some only in the process of production of 5%. The pig hair in hydrochloric acid hydrolysis, filtered to remove impurities, crystal products, plus decolorizing activated carbon, iron, washing and drying.