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.
Source:
PAC, 1996, 68, 2193
(Basic terminology of stereochemistry (IUPAC Recommendations 1996))
on page 2216