Arsole is a chemical compound of the formula C4H5As. The structure is like pyrrole except that an arsenic atom is substituted for the nitrogen atom and that arsole is not aromatic. Arsole itself has not yet been synthesized, but several substituted analogs called arsoles do exist.

- This article refers to the chemical compound. For the phrase referring to the anus or a contemptible person, see asshole
See also
- Pyrrole, a nitrogen analog.
- Furan, an oxygen analog.
- Thiophene, a sulfur analog.
- Simple aromatic rings
- Varsole, a petroleum distillate with a boiling range of 150 - 200 °C.
External references
- Molecules with silly names
- Untersuchungen zur Chemie der Arsole (Studies on the chemistry of arsoles), G. Märkl and H. Hauptmann, J. Organomet. Chem. 248:269 (1983) DOI:10.1016/S0022-328X(00)98709-6