Displaying 6 results of Ceftiofur Stable Isotopes Ceftiofur is an antibiotic used in veterinary medicine to treat bacterial infections in livestock. Ceftiofur stable isotopes are isotopes of the drug that have a consistent quantity of atoms, making them useful in experiments and research. These isotopes can be used to determine the metabolic fate of the drug and its distribution within the body. They also aid in the development of new drugs and in the understanding of the pharmacokinetics of ceftiofur.