This compound is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS) methods. Its primary application is as a building block for the incorporation of D-glutamic acid into peptide chains. The Fmoc (fluorenylmethyloxycarbonyl) group serves as a protective group for the amino function, ensuring selective reactions during peptide assembly. The benzyl (BZL) ester group protects the carboxyl side chain of glutamic acid, preventing unwanted side reactions. This compound is especially valuable in the synthesis of complex peptides and proteins, where precise control over amino acid sequence and stereochemistry is critical. It is also utilized in the development of peptide-based drugs, biomaterials, and research tools for studying protein interactions and functions. Its stability and compatibility with SPPS protocols make it a reliable choice for peptide chemists.