Displaying 6 results of Terbinafine Stable Isotopes Terbinafine stable isotopes are isotopes of the antifungal medication terbinafine that have a stable atomic nucleus, meaning they do not decay over time. These isotopes are used in pharmaceutical research and development to study the pharmacokinetics, metabolism, and mechanism of action of terbinafine. By labeling the drug with stable isotopes, researchers can track its distribution and elimination in the body and gain insights into its therapeutic effects.