Amisulpride is a medication used to treat various mental disorders such as schizophrenia and dysthymia. Impurities are substances that are present in small amounts within the medication and may affect its purity, potency, and safety. The identification and control of these impurities are crucial in ensuring the quality and effectiveness of the medication. Various analytical techniques are used to detect and quantify these impurities, and strict regulatory guidelines are in place to ensure that the medication is safe and effective for use.