Displaying 4 results of Avermectin Impurities Avermectin Impurities are the byproducts or undesired substances that may be present in the production of Avermectin, a broad-spectrum antiparasitic agent used in veterinary and human medicine. These impurities can affect the quality and purity of Avermectin, and may pose risks to human health and the environment. It is important to control and minimize the presence of Avermectin Impurities in order to ensure the safety and effectiveness of the final product.