This chemical is primarily used in peptide synthesis as a protected form of glutamic acid. The benzyl ester groups protect the carboxyl functionalities, allowing selective reactions at other sites during peptide chain assembly. It is particularly valuable in solid-phase peptide synthesis (SPPS) where controlled deprotection and coupling steps are essential. Additionally, it finds application in the production of custom peptides for research in biochemistry and pharmacology, aiding in the study of protein interactions and enzyme functions. Its stability and ease of handling make it a preferred choice in organic and medicinal chemistry laboratories.