Active Pharmaceutical Ingredients (APIs) like Ornidazole and Metformin HCL are vital for drug efficacy. Ornidazole (C9H11N3O3) is an anti-parasitic and anti-bacterial used in treating infections, while Metformin HCL (C4H11N5HCl) is a key treatment for type 2 diabetes. These APIs are synthesized through precise chemical reactions, ensuring purity and effectiveness. Ornidazoles formulation involves blending with excipients to create tablets or suspensions, whereas Metformin HCL is often used in oral tablets. Both APIs are crucial in the pharmaceutical industry, affecting drug potency and patient outcomes. Their shelf life depends on storage conditions, typically ranging from 2 to 5 years. Proper formulation and handling are critical for maintaining their therapeutic efficacy and safety.