This chemical is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a building block for creating peptides, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a protective group for the amino group during the synthesis process. The tert-butyl (tBu) group protects the hydroxyl group of the tyrosine residue, preventing unwanted reactions. It is especially valuable in the production of complex peptides for pharmaceutical research, drug development, and biochemical studies. Its stability and ease of deprotection make it a preferred choice in automated peptide synthesizers. Additionally, it is utilized in the synthesis of peptide-based vaccines, hormones, and other therapeutic agents.