Category:
Amino Acids and Derivatives
CAS NO:
868-59-7
Standard:
JP,
L-Cysteine Ethyl ester hydrochloride is a protected amino acid derivative used as a key intermediate in peptide synthesis. Its molecular formula is C5H11NO2S·HCl and CAS number is 2796-00-7. The product is typically manufactured via the esterification of L-cysteine followed by hydrochloride salt formation.
Store in a cool, dry place under inert atmosphere to prevent oxidation. Avoid direct contact with skin and eyes; use appropriate PPE. Not intended for direct clinical administration without further formulation.