Cysteine (L-) ; L-Cysteine hydrochloride monohydrate 100g
cys20931-100g

CAS Number: 52-90-4

Supplied as the hydrochloride monohydrate Mwt 175.63; 

Mwt of Lcysteine = 121.15 = 75% of the Cysteine hydrochloride monohydrate

application(s): peptide synthesis

Cysteine is a semiessential proteinogenic amino acid with the formula HOOC-CH--CH₂-SH.

L-cysteine is an optically active form of cysteine having L-configuration. It has a role as a flour treatment agent, a human metabolite and an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor.