This compound is primarily used in peptide synthesis as a protected amino acid derivative. The Boc (tert-butyloxycarbonyl) group serves as a temporary protecting group for the amino group, preventing unwanted reactions during peptide bond formation. The pMeBzl (para-methylbenzyl) group protects the thiol side chain of cysteine, ensuring selective reactivity and preventing disulfide bond formation prematurely. It is particularly valuable in solid-phase peptide synthesis (SPPS) for constructing peptides containing cysteine residues, which are crucial for stabilizing protein structures through disulfide bridges. Its application is essential in the production of therapeutic peptides, research peptides, and in studying protein folding and function.