Side_chain

This article is about the chemistry term. For the audio engineering term, see dynamic range compression.

A side chain in organic chemistry and biochemistry is a part of a molecule that is attached to a core structure. An R group is a generic label for a side chain, which can be anything. However, in general, it is stable and covalently linked to the adjoining atom. The abbreviations R and R-group, which often refer to side chains, come from the word "radical"^{[citation needed]}, "rest," or "residue".

See also

• Functional group

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