Benzene-13C6 is widely used as a labeled compound in various research and analytical applications. Its primary use is in nuclear magnetic resonance (NMR) spectroscopy, where it serves as a standard for calibrating instruments due to its well-defined chemical shifts. This labeled benzene is also employed in metabolic studies, allowing researchers to trace and analyze biochemical pathways with high precision. In environmental science, it aids in the detection and quantification of benzene derivatives in complex matrices, providing insights into pollution sources and degradation processes. Additionally, Benzene-13C6 is utilized in the development of new pharmaceuticals, where it helps in understanding drug metabolism and pharmacokinetics. Its stable isotopic labeling makes it an invaluable tool in advancing scientific knowledge across multiple disciplines.