Term: racemate
https://doi.org/10.1351/goldbook.R05025

Definition:
An equimolar mixture of a pair of enantiomers. It does not exhibit optical activity. The chemical name or formula of a racemate is distinguished from those of the enantiomers by the prefix (±)- or rac- (or racem-) or by the symbols RS and SR.

Related Terms:
1) enantiomers (http://doi.org/10.1351/goldbook.E02069).
2) optical activity (http://doi.org/10.1351/goldbook.O04303).

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

Citation: 'racemate' 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.R05025

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