Displaying 12 results of Formoterol Stable Isotopes Formoterol is a long-acting beta2-adrenergic agonist that is used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). Stable isotopes of Formoterol are non-radioactive isotopes that do not emit radiation and are used in scientific research to study the pharmacokinetics, metabolism, and bioavailability of the drug. These isotopes are labeled with stable isotopes of carbon, nitrogen, or oxygen, and are used to track the movement and fate of the drug in the body.