Dibenzyl aspartate 4-methylbenzenesulfonate is primarily used in organic synthesis and pharmaceutical research. It serves as a key intermediate in the production of peptides and amino acid derivatives, which are essential for developing therapeutic drugs. The compound is particularly valuable in the synthesis of modified amino acids, aiding in the study of protein structures and functions. Additionally, it is utilized in the preparation of chiral compounds, contributing to the development of enantioselective catalysts and drugs with specific biological activities. Its role in these processes highlights its importance in advancing medicinal chemistry and biotechnology.