α,ε-Dibenzoyl-DL-lysine is primarily used in biochemical research and pharmaceutical development. It serves as a key intermediate in the synthesis of peptides and other complex organic compounds. Researchers utilize it to study enzyme mechanisms and protein interactions due to its ability to mimic natural substrates. In drug development, it is employed to create modified amino acids that enhance the stability and efficacy of therapeutic peptides. Additionally, it finds application in the production of specialized polymers and coatings, where its unique structure contributes to improved material properties. Its role in these areas underscores its importance in advancing both scientific understanding and industrial innovation.