This chemical is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS) methods. It serves as a protected form of histidine, ensuring the amino acid's side chain remains stable during the synthesis process. The Fmoc group protects the amino terminus, while the Boc group protects the imidazole side chain of histidine, preventing unwanted reactions. It is especially valuable in producing peptides for pharmaceutical research, drug development, and biochemical studies, where precise sequence control is critical. Its application extends to synthesizing peptides for use in vaccines, therapeutic agents, and diagnostic tools, making it a key component in modern peptide chemistry.