Used primarily in peptide synthesis as a building block for creating custom peptides. It helps in the formation of peptide bonds, particularly in solid-phase peptide synthesis (SPPS) methods. Its modified structure allows for controlled reactions, reducing unwanted side products. Commonly applied in pharmaceutical research for developing peptide-based drugs, including hormones, antibiotics, and enzyme inhibitors. Also utilized in biochemical studies to investigate protein interactions and functions. Its stability and reactivity make it a valuable tool in organic chemistry and drug discovery processes.