This compound is primarily utilized in the synthesis of peptides and proteins, serving as a protected form of the amino acid lysine. It is particularly valuable in biochemical research and pharmaceutical development, where it aids in the production of complex peptide structures. The ethyl ester group enhances solubility in organic solvents, facilitating its use in various organic synthesis processes. Additionally, it finds application in the study of enzymatic reactions and metabolic pathways, providing insights into amino acid behavior and interactions. Its role in creating modified peptides also contributes to advancements in drug design and therapeutic agents.