Displaying 6 results of Rupatadine Stable Isotopes Rupatadine is an antihistamine drug used to treat allergic rhinitis and urticaria. Stable isotopes of Rupatadine are non-radioactive isotopes that have the same number of protons and electrons as the naturally occurring isotopes but differ in their number of neutrons. These isotopes have a wide range of applications in pharmaceutical research, including drug metabolism studies and pharmacokinetic analysis. The use of stable isotopes in drug development enables researchers to track the fate of a drug in the body and understand its mechanism of action.