Displaying 1 results of Pyriproxyfen Stable Isotopes Pyriproxyfen is an insecticide used to control the growth of insects such as mosquitoes and fleas. It is a chemical compound containing carbon, nitrogen, oxygen, and fluorine atoms. Pyriproxyfen Stable Isotopes refer to the isotopes of these atoms that are stable, meaning they do not decay over time. These isotopes are useful for studying the behavior and movement of pyriproxyfen in the environment and in biological systems.