Nα-Acetyl-L-lysine Methyl Ester Hydrochloride is widely used in biochemical research as a precursor or intermediate in the synthesis of peptides and proteins. It plays a significant role in studying enzymatic reactions, particularly those involving lysine acetylation, which is crucial in understanding epigenetic regulation and cellular signaling pathways. This compound is also utilized in the development of modified amino acids for drug discovery, aiding in the creation of therapeutic agents targeting diseases influenced by protein acetylation. Additionally, it serves as a valuable tool in proteomics research for analyzing post-translational modifications and their impact on protein function.