Used in peptide synthesis as a building block for creating custom peptides in research and pharmaceutical development. It serves as a modified tyrosine derivative, enabling the introduction of specific functional groups into peptide chains. This compound is particularly valuable in studying enzyme-substrate interactions, receptor binding, and protein folding. It is also employed in the development of peptide-based drugs, diagnostics, and biomaterials due to its ability to enhance stability and bioavailability in peptide structures.