Used in pharmaceutical synthesis as a chiral building block for developing drugs that target neurological and metabolic disorders. Its protected amine and disulfide-containing side chain make it valuable in the preparation of peptides and enzyme inhibitors. Commonly employed in research for designing compounds with redox-regulating properties, particularly in studies related to cellular antioxidant mechanisms. Also utilized in the development of prodrugs where disulfide bonds enable targeted release in reducing environments, such as inside cells.