This compound is primarily used in the field of peptide synthesis as a building block. It serves as a protected amino acid derivative, where the Fmoc (fluorenylmethoxycarbonyl) group acts as a temporary protecting group for the amine functionality. This allows for the selective deprotection and coupling of amino acids in solid-phase peptide synthesis (SPPS), a widely used method for creating peptides and proteins. The p-tolyl group provides steric and electronic properties that can influence the peptide's structure and function. Its application is crucial in the development of pharmaceuticals, bioactive peptides, and research tools for studying protein interactions and biochemical pathways.