This chemical is primarily used in peptide synthesis as a building block for creating specific peptide sequences. It serves as a protected amino acid derivative, where the fluorenylmethoxycarbonyl (Fmoc) group acts as a protecting group for the amino functionality during the synthesis process. The cyclobutyl side chain provides structural diversity, making it valuable for designing peptides with unique properties or biological activities. It is commonly employed in solid-phase peptide synthesis (SPPS) to ensure precise control over the assembly of amino acids, enabling the production of peptides for research, pharmaceuticals, and biotechnology applications. Its stability and compatibility with standard peptide synthesis protocols make it a reliable choice for synthesizing complex peptide structures.