One of our customers has succeeded in separating delta-9-THC enantiomers using our CHiRAL 5A column.
https://www.nacalaiusa.com/products/view/355/cosmosil-chiral-series
https://www.nacalaiusa.com/products/view/407/application-cannabinoids-analysis

Cannabinoids of various types have recently become compounds of interest with the potential to treat various ailments. As many of these compounds have optical isomers, separation these enantiomers could prove to be important to research into their therapeutic potential.