This chemical is primarily used in peptide synthesis as a protecting group for cysteine residues. The tert-butoxycarbonyl (Boc) group safeguards the amino functionality, while the trityl (Trt) group protects the thiol side chain of cysteine, preventing unwanted reactions during peptide bond formation. Its application is crucial in solid-phase peptide synthesis (SPPS), where selective deprotection of these groups allows for the controlled assembly of complex peptides. Additionally, it finds use in the development of peptide-based drugs and biochemical research, enabling the study of protein structure and function. Its stability under various reaction conditions makes it a valuable tool in organic and medicinal chemistry.