Displaying 5 results of Desogestrel Impurities Desogestrel is a synthetic progestin used in hormonal contraceptives. However, during the manufacturing process, impurities may be introduced that can affect the safety and efficacy of the drug. These impurities can include related compounds, residual solvents, and heavy metals. It is important to monitor and control these impurities to ensure the quality and purity of the final product.