Displaying 6 results of Hydralazine Stable Isotopes Hydralazine is a medication used to treat high blood pressure. Hydralazine stable isotopes are isotopes of hydralazine that have a stable atomic nucleus, making them useful for research and medical applications. These isotopes can be used in drug metabolism studies, as internal standards in mass spectrometry, and in pharmacokinetic studies. Hydralazine stable isotopes provide researchers with a reliable and accurate way to measure drug levels in biological samples.