N-Carbobenzyloxy-L-aspartic acid is primarily used in peptide synthesis as a protecting group for the carboxyl function of aspartic acid. This compound helps to prevent unwanted side reactions during the formation of peptide bonds, ensuring the correct sequence and structure of the synthesized peptide. It is particularly valuable in the production of complex peptides and proteins, where selective protection and deprotection of functional groups are crucial. Additionally, it finds application in the preparation of aspartic acid derivatives for research and pharmaceutical development, contributing to the study of enzyme mechanisms and drug design. Its role in organic synthesis also extends to the creation of specialized amino acid analogs for biochemical studies.