Heptacosane is a straight-chain alkane with the chemical formula C27H56. It consists of 27 carbon atoms and is part of the alkane family, which are saturated hydrocarbons. Heptacosane is a colorless, odorless solid at room temperature and is commonly found in natural sources like waxes and certain plant materials. This compound is often studied for its properties and applications in various fields, including materials science and organic chemistry. Heptacosane can be used as a reference standard in gas chromatography and is also of interest in the development of biofuels due to its long-chain structure.