Displaying 8 results of Phenylephrine Stable Isotopes Phenylephrine stable isotopes are isotopes of the drug phenylephrine that have a stable atomic nucleus, meaning they do not decay over time. These isotopes are used in various research applications such as drug metabolism and pharmacokinetics studies. They allow for precise tracking of the drug's movement within the body and can provide valuable insights into its efficacy and potential side effects. Additionally, the use of stable isotopes in research can aid in the development of new drugs and therapies.