Z-Glu-OBzl is widely used in peptide synthesis as a protecting group for glutamic acid. It helps to selectively protect the carboxyl group during the formation of peptide bonds, ensuring the desired sequence is achieved without unwanted side reactions. This compound is particularly valuable in solid-phase peptide synthesis, where it enhances the efficiency and purity of the final peptide product. Additionally, it is employed in the preparation of complex peptides and proteins for research in biochemistry and pharmaceuticals, aiding in the study of protein structure and function. Its stability under various reaction conditions makes it a reliable choice for synthetic applications.