Isoflurane is a commonly used inhalation anesthetic that is highly effective and relatively safe. However, like all drugs, it may contain impurities that can affect its purity and stability. Isoflurane impurities can include moisture, carbon dioxide, and other volatile organic compounds. These impurities can affect the quality of the drug and must be carefully monitored and controlled to ensure the safety and efficacy of the drug. Sophisticated analytical techniques are used to identify and quantify these impurities, and stringent regulations govern their permissible levels in pharmaceutical products.