Displaying 2 results of Clobetasone Butyrate Impurities Clobetasone butyrate is a corticosteroid used in the treatment of inflammatory skin conditions. However, it is important to ensure that the drug is free from impurities that may affect its efficacy or pose a risk to patients. Some potential impurities include related substances, residual solvents, and heavy metals. Analytical methods are used to detect and quantify these impurities, and strict quality control measures are in place to ensure that pharmaceutical products containing clobetasone butyrate meet regulatory requirements.