🥼organic chemistry review

R group

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

An R group is a side chain attached to a molecule that determines the molecule's chemical properties and reactivity. It can consist of a variety of atoms or groups of atoms, giving rise to diverse organic compounds.

AP course connection

Topic 26.4: 26.4 Peptides and Proteins

Unit 26

"R group" also found in:

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