Cyclohexanethiol is a thiol with the formula C<sub>6</sub>H<sub>11</sub>SH. It is a colorless liquid with a strong odor.
It was first prepared by the free-radical reaction of cyclohexane using carbon disulfide as a sulfur source.
It is produced industrially by the hydrogenation of cyclohexanone in the presence of hydrogen sulfide over a metal sulfide catalyst:
It is also obtained by the addition of hydrogen sulfide to cyclohexene in the presence of nickel sulfide.
The (injected, mice) was estimated at 316 mg/kg by the United States Department of Health, Education, and Welfare.