Thiol Group Definition

This is the chemical structure of cysteine.
This is the chemical structure of cysteine. The yellow SH on the left hand side is a thiol group. Todd Helmenstine

Definition: A thiol group is a fuctional group containing a sulfur atom bonded to a hydrogen atom. General formula: -SH

Also Known As: sulfanyl group, mercapto group

Examples: The amino acid cysteine contains a thiol group.

Format
mla apa chicago
Your Citation
Helmenstine, Anne Marie, Ph.D. "Thiol Group Definition." ThoughtCo, Jun. 13, 2014, thoughtco.com/definition-of-thiol-group-605735. Helmenstine, Anne Marie, Ph.D. (2014, June 13). Thiol Group Definition. Retrieved from https://www.thoughtco.com/definition-of-thiol-group-605735 Helmenstine, Anne Marie, Ph.D. "Thiol Group Definition." ThoughtCo. https://www.thoughtco.com/definition-of-thiol-group-605735 (accessed April 20, 2018).