Azepane is a heterocyclic organic compound with a six-membered ring containing one nitrogen atom. Stable isotopes of azepane are used in a variety of scientific applications, including drug development and metabolic studies. These isotopes, such as carbon-13 and nitrogen-15, offer unique labeling options for tracking molecular pathways and interactions. Azepane stable isotopes can also be used in nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry for molecular analysis.