Displaying 2 results of Aminocaproic Acid Stable Isotopes Aminocaproic acid is a medication used to treat excessive bleeding during surgery or other medical procedures. Stable isotopes of aminocaproic acid are isotopes that do not decay over time, making them useful in medical research and drug development. These isotopes are chemically identical to regular aminocaproic acid, making them safe and effective for use in medical applications.