Is Ketoprofen Chiral?

Is Ketoprofen Chiral? Although it possesses a chiral centre, with only the S-enantiomer possessing beneficial pharmacological activity, all ketoprofen preparations to date are marketed as the racemate. Does ibuprofen have chiral center? The ibuprofen molecule possesses a chiral carbon in the α-position to the carboxyl function (see Fig. 1), therefore it may exist as an