Tags: Chemical Compound, Chemical Substance.
Thiophene also commonly called thiofuran is a heterocyclic compound with the formula C4H4S. Consisting of a flat five-membered ring it is aromatic as indicated by its extensive substitution reactions. Related to thiophene are benzothiophene and dibenzothiophene containing the thiophene ring fused with one and two benzene rings respectively. Compounds analogous to thiophene include furan (C4H4O) and pyrrole (C4H4NH).
