N-Methyl-DL-glutamic Acid is primarily used in biochemical research to study neurotransmitter activity and receptor interactions. It serves as a modified form of glutamic acid, helping researchers understand the role of glutamate in the central nervous system, particularly in excitatory synaptic transmission. This compound is also utilized in the development of pharmacological agents targeting neurological disorders, such as epilepsy and neurodegenerative diseases. Additionally, it aids in exploring metabolic pathways involving amino acids and their derivatives. Its applications extend to synthesizing analogs for studying enzyme kinetics and protein-ligand binding mechanisms.