This compound is primarily used in peptide synthesis as a protected amino acid derivative. It serves as a building block for constructing peptides, where the fluorenylmethoxycarbonyl (Fmoc) group acts as a protecting group for the amine functionality. This allows for selective deprotection during solid-phase peptide synthesis, enabling the stepwise assembly of peptide chains. Its application is crucial in the development of pharmaceuticals, bioactive peptides, and research in biochemistry and molecular biology. The p-tolyl group adds specific structural characteristics, which can be valuable in designing peptides with tailored properties.