Ac-Glu-OMe is commonly used in peptide synthesis as a building block. It serves as a protected form of glutamic acid, allowing for controlled incorporation into peptide chains. This compound is particularly useful in research and development of bioactive peptides, where precise sequence control is essential. It is also employed in the study of enzyme-substrate interactions and in the design of peptide-based drugs. Additionally, Ac-Glu-OMe finds applications in the preparation of synthetic peptides for biochemical assays and in the exploration of peptide structure-activity relationships. Its stability and ease of handling make it a valuable tool in organic chemistry and biochemistry laboratories.