Term: R, S
https://doi.org/10.1351/goldbook.R05423

Definition:
The approved designations (devised by Cahn, Ingold and Prelog) of absolute configuration at four-coordinate (quadriligant) and six-coordinate (sexiligant) stereogenic centres.

Related Terms:
1) absolute configuration (http://doi.org/10.1351/goldbook.A00020).
2) stereogenic (http://doi.org/10.1351/goldbook.S05980).

Source: PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2216 (https://doi.org/10.1351/pac199668122193)

Citation: '<i>R</i>, <i>S</i>' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.R05423

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