This chemical is primarily used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS) methods. It serves as a building block for constructing peptides, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a protecting group for the lysine side chain. This allows for selective deprotection during the synthesis process, ensuring the correct sequence of amino acids is assembled. Its application is crucial in the development of peptides for pharmaceutical research, drug discovery, and biochemical studies. Additionally, it is utilized in the production of peptide-based therapeutics, vaccines, and diagnostic tools, where precise control over peptide structure is essential.