Displaying 6 results of Nicardipine Stable Isotopes Nicardipine is a calcium channel blocker used to treat high blood pressure and angina. Nicardipine stable isotopes are non-radioactive forms of the chemical element that have the same number of protons and electrons but differ in their number of neutrons. These isotopes can be used for research and medical applications, including drug metabolism studies and pharmacokinetic analysis. They are also important tools for quality control and safety assessment in drug development.