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Sulfanyl Group Definition

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This is the chemical structure of cysteine.

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

Todd Helmenstine

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

Also Known As: mercapto group, thiol group

Examples: The amino acid cysteine contains a sulfanyl group.

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