Displaying 5 results of Nitrofurantoin Stable Isotopes Nitrofurantoin Stable Isotopes are molecules of the antibiotic drug Nitrofurantoin that have been modified to contain stable isotopes of certain elements. These isotopes do not undergo radioactive decay, making them useful in research and medical applications. Nitrofurantoin Stable Isotopes are used in drug metabolism studies, pharmacokinetic studies, and other research areas where the behavior of the drug in the body needs to be tracked and studied.