Polymercaptan vs. Thiol

(organic chemistry) Any polymer having many free thiol groups; they are used to cure epoxy resins

(organic chemistry) A univalent organic radical (-SH) containing a sulphur and a hydrogen atom; a compound containing such a radical.

an organic compound containing the group —SH, i.e. a sulphur-containing analogue of an alcohol.

A thiol () or thiol derivative is any organosulfur compound of the form R−SH, where R represents an alkyl or other organic substituent. The –SH functional group itself is referred to as either a thiol group or a sulfhydryl group, or a sulfanyl group.