Cyclohexane-1,2-diol is a chemical compound found in castoreum. It can exist in either cis- or trans-isomers.
The enzyme cyclohexane-1,2-diol dehydrogenase uses trans-cyclohexane-1,2-diol and NAD<sup>+</sup> to produce 2-hydroxycyclohexan-1-one, NADH and H<sup>+</sup>.