Dienogest is a synthetic progestin hormone used in birth control pills and hormone replacement therapy. However, during the manufacturing process, impurities may be formed. These impurities can affect the purity, safety, and efficacy of the drug product. Therefore, it is important to identify, characterize, and control these impurities to ensure the quality and safety of the drug. Analytical methods such as HPLC, TLC, and GC-MS are commonly used to detect and quantify Dienog
