This application is for students studying organic chemistry, for teachers and organic chemists. There are more than 180 structural formulas. Hydrocarbons are the fundamental class of organic compounds. So it is very important to know their chemical names. Questions are divided into 6 topics. There are all major classes of hydrocarbons. The database is prepared by a PhD chemist. Begin with basic structures such as methane CH4, benzene C6H6, and isomers of octane C8H18. Then proceed to advanced