Dithiazole refers to heterocyclic compounds where the ring has the formula C2NS2. The parent compounds have the formula (CH)2NHS2. Cations with the same core are called dithiazolium compounds. Various isomers differ with respect to the location of the C, N, and S atoms.
- 1,2,3-Dithiazole has the sequence S-S-NH-CH-CH (all heteroatoms contiguous). Example:Lekin, Kristina; Phan, Hoa; Winter, Stephen M.; Wong, Joanne W. L.; Leitch, Alicea A.; Laniel, Dominique; Yong, Wenjun; Secco, Richard A.; Tse, John S.; Desgreniers, Serge; Dube, Paul A.; Shatruk, Michael; Oakley, Richard T. (2014). "Heat, Pressure and Light-Induced Interconversion of Bisdithiazolyl Radicals and Dimers". Journal of the American Chemical Society. 136 (22): 8050–8062. doi:10.1021/ja502753t. PMID 24851953.
- 1,2,4-Dithiazole has the sequence S-S-CH-NH-CH
- 1,3,2-Dithiazole has the sequence S-NH-S-CH-CH (all heteroatoms contiguous)
- 1,4,2-Dithiazole has the sequence S-NH-CH-S-CH