L-Alanine-15N is widely used in research and development, particularly in the field of nuclear magnetic resonance (NMR) spectroscopy. It serves as a stable isotope-labeled compound, enabling scientists to study protein structures and metabolic pathways with greater precision. In biochemistry, it is employed to trace nitrogen metabolism, providing insights into amino acid synthesis and degradation processes. Additionally, it is utilized in the production of isotopically labeled peptides and proteins, facilitating advanced studies in molecular biology and drug development. Its application extends to the pharmaceutical industry, where it aids in the development of new therapeutic agents by improving the understanding of drug interactions and mechanisms at the molecular level.