- Merriam-Webster definition
- Qiu, Chao; Sheng Han; Xingguo Cheng; and Tianhui Ren. Distribution of Thioethers in Hydrotreated Transformer Base Oil by Oxidation and ICP-AES Analysis (abstract). Industrial & Engineering Chemistry Research. 2005, 44 (11): 4151–4155 [2007-05-03]. doi:10.1021/ie048833b.
Thioethers can be oxidized to sulfoxides by periodate, and periodate is reduced to iodate