Eszopiclone is a medication used to treat insomnia. However, like any drug, it may contain impurities that can affect its safety and efficacy. These impurities can arise during the manufacturing process or storage of the drug. Therefore, it is important to monitor and control the levels of impurities in eszopiclone to ensure its quality and safety for use. Different analytical techniques, such as high-performance liquid chromatography (HPLC) and gas chromatography (GC), can
