Ergocalciferol, also known as Vitamin D2, is a fat-soluble vitamin that helps the body absorb calcium and phosphorus. However, the production process of Ergocalciferol can lead to the formation of impurities, which are undesirable substances that can affect the quality of the final product. These impurities can include residual solvents, heavy metals, and other organic and inorganic contaminants. Therefore, it is important to monitor and control the levels of Ergocalc