N-Methyl-D-alanine is primarily used in the field of biochemistry and pharmaceutical research. It serves as a building block in the synthesis of peptides and proteins, aiding in the study of their structure and function. This compound is also utilized in the development of chiral catalysts, which are crucial for producing enantiomerically pure substances in asymmetric synthesis. Additionally, N-Methyl-D-alanine finds application in the creation of novel drug candidates, particularly in the design of molecules that mimic natural peptides to enhance therapeutic efficacy. Its role in modifying peptide properties, such as stability and bioavailability, makes it valuable in drug discovery and development processes.