N-Chloroacetyl-L-tyrosine is primarily used in biochemical research and pharmaceutical development. It serves as a key intermediate in the synthesis of peptides and modified amino acids, which are essential for studying protein structure and function. This compound is also utilized in the preparation of enzyme inhibitors, aiding in the investigation of enzymatic mechanisms and the development of therapeutic agents. Additionally, it finds application in the production of custom peptides for drug discovery, particularly in targeting specific biological pathways or diseases. Its role in modifying tyrosine residues makes it valuable for creating analogs that can be used to probe receptor-ligand interactions or to design novel bioactive molecules.