Used as a stable isotope-labeled compound in research and diagnostic applications, particularly in metabolic studies. It serves as a tracer to investigate nitrogen metabolism in biological systems, helping to understand processes like urea cycle disorders and protein metabolism. In agriculture, it aids in studying nitrogen uptake and utilization in plants, optimizing fertilizer efficiency. Additionally, it is employed in environmental science to trace nitrogen pathways in ecosystems, contributing to pollution and nutrient cycling studies. Its isotopic labeling ensures accurate tracking and analysis in complex biological and environmental systems.