Adrenalone is a synthetic, non-catecholamine sympathomimetic agent used in the treatment of hypotension and shock. Adrenalone impurities are unwanted substances that may be present in the drug substance or drug product. These impurities can arise from various sources, such as the starting materials, reagents, or synthetic intermediates. The presence of impurities in a drug can affect its safety, efficacy, and stability, and must be controlled and monitored to ensure the quality of the final product.