Betaxolol Impurities are unwanted substances or chemicals that may be present in betaxolol formulations or manufacturing processes. These impurities can affect the safety, efficacy, and quality of betaxolol products. Some common betaxolol impurities include related substances, degradation products, and residual solvents. It is important to control and monitor these impurities to ensure the purity and quality of betaxolol products.