Displaying 3 results of Bupivacaine Stable Isotopes Bupivacaine Stable Isotopes are a class of isotopes that are used in medical and scientific research. These isotopes have a stable nucleus and do not decay over time. Bupivacaine is a commonly used local anesthetic that works by blocking nerve impulses. The stable isotopes of bupivacaine are used to study its distribution, metabolism, and excretion in the body. These isotopes are also used to improve the accuracy and precision of analytical methods used in pharmacokinetic studies.