Ibandronate Impurities are the unwanted substances or compounds that may be present in the ibandronate drug substance or drug product. These impurities can result from the manufacturing process, degradation of the drug substance over time, or interactions with other substances. The presence of impurities can affect the quality, safety, and efficacy of the drug product. Therefore, it is essential to monitor and control the levels of impurities during the drug development process and in the final product.