Met-Tyr-OH is primarily utilized in peptide synthesis and biochemical research. It serves as a building block for creating custom peptides, which are essential in studying protein interactions, enzyme mechanisms, and cellular signaling pathways. This dipeptide is also used in the development of peptide-based drugs and therapeutic agents, particularly in targeting specific biological processes or diseases. Additionally, it finds applications in the design of peptide mimetics and as a reference compound in analytical chemistry for peptide identification and characterization. Its role in advancing biomedical research and drug discovery makes it a valuable tool in the field.