L-Cysteine isopropyl ester hydrochloride is a chemical compound registered under CAS number 73255-49-9, with the molecular formula C6H13 N O2 S . Cl H and a molecular weight of about 199.69 g/mol. ProvideChemicals supplies L-Cysteine isopropyl ester hydrochloride for laboratory research and bulk production; product code 237391. Send an inquiry for purity, packaging, price and lead time.