Amoxicillin is an organic compound with the chemical formula C16H19N3O5S. It is an antibiotic drug, also known as amoxicillin, belonging to the penicillin family of the amino penicillin class. It is a white or off white crystalline powder with a slightly specific odor and bitterness. It is the main variety of second-generation penicillin and a broad-spectrum semi synthetic antibiotic that can inhibit the synthesis of bacterial cell walls. It has efficient broad-spectrum antibacterial effects with minimal toxic side effects and is commonly used to treat bacterial infections.