Displaying 1 results of Cantharidin Impurities Cantharidin is a natural compound used in medicine and agriculture. However, it is often contaminated with impurities during its production, which can affect its purity, safety, and efficacy. These impurities may include other organic compounds, heavy metals, and microbial contaminants. Therefore, it is important to control and remove these impurities to ensure the quality of cantharidin products.