Dihydropyridine is a chemical compound that belongs to a class of organic compounds known as pyridines. It is characterized by a six-membered ring structure containing five carbon atoms and one nitrogen atom. Dihydropyridines are often used in medicinal chemistry and are known for their role as calcium channel blockers, which help regulate blood flow and lower blood pressure. These compounds are commonly found in various pharmaceutical drugs, particularly those used to treat conditions like hypertension and angina. One well-known example of a dihydropyridine drug is amlodipine, which is prescribed to manage high blood pressure and chest pain.