9(R)-HETE is an enantiomer which makes up 50% of (±)9-HETE . At a concentration of 300 nM, 9(R)-HETE activates RXRγ-dependent transcription 1.5 fold relative to a control. Stereochemical assignment of the (R) enantiomer is based on comparison of chiral HPLC retention times to published results.