This chemical is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS) methods. It serves as a protected amino acid derivative, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a temporary protecting group for the amino functionality. The presence of the 3-pyridyl side chain in the structure makes it valuable for introducing specific interactions or functionalities into peptide sequences, such as metal coordination or binding sites. It is often employed in the development of bioactive peptides, enzyme inhibitors, and peptide-based drugs, where the pyridyl group can enhance binding affinity or modulate activity. Additionally, it is utilized in research to study peptide-protein interactions and to design peptides with tailored properties for therapeutic or diagnostic applications.