This chemical is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a protected amino acid derivative, where the Fmoc (9-fluorenylmethoxycarbonyl) group protects the amino group, and the Trt (trityl) group protects the side chain. This protection allows for selective deprotection and coupling during the stepwise assembly of peptides. It is especially valuable in synthesizing peptides containing β-homoglutamine, a non-natural amino acid, which can be incorporated into peptides to study structure-activity relationships or to modify peptide properties such as stability, solubility, or biological activity. Its use is common in pharmaceutical research, drug development, and biochemical studies where precise peptide sequences are required.