Displaying 6 results of Bumetanide Stable Isotopes Bumetanide is a loop diuretic medication used to treat fluid build-up in the body. Bumetanide stable isotopes are a set of isotopically labeled versions of the drug that are chemically identical to the non-labeled version, but with specific isotopes incorporated into the molecule. These labeled versions are used in pharmacokinetic and pharmacodynamic studies to track the drug's metabolism, distribution, and elimination in the body.