C4H6 is a chemical formula that represents a compound made up of four carbon atoms and six hydrogen atoms. This formula can correspond to different isomers, which are compounds that have the same molecular formula but different structures. One common example of a compound with this formula is 1,3-butadiene, a colorless gas used in the production of synthetic rubber and plastics. In addition to 1,3-butadiene, another isomer is cyclobutene, a cyclic compound that has a ring structure. These compounds are important in various industrial applications, showcasing the versatility of simple hydrocarbons like C4H6 in chemistry and manufacturing.