Z-Glu-NH2 is widely used in peptide synthesis as a building block for creating specific peptide sequences. It serves as a protected form of glutamic acid, ensuring the carboxyl group remains intact during the synthesis process. This compound is particularly valuable in the production of bioactive peptides and pharmaceuticals, where precise amino acid incorporation is critical. Additionally, Z-Glu-NH2 is utilized in research to study enzyme-substrate interactions and protein modifications, aiding in the development of enzyme inhibitors and therapeutic agents. Its stability and compatibility with various coupling reagents make it a preferred choice in solid-phase peptide synthesis.