apricoxib apricoxib apricoxib is an experimental anticancer drug and nonsteroidal anti-inflammatory drug (nsaid). it is a cox-2 inhibitor which is intended to improve standard therapy response in molecularly-defined models of pancreatic cancer. it was also studied in clinical trials for non-small-cell lung cancer. development was abandoned in 2015 due to poor clinical trial results. apricoxiblegal statuslegal status investigational identifiers iupac name 4-benzenesulfonamide cas number197904-84-0pubchem cid9820073drugbankdb12378chemspider7995822unii5x5hb3vz3zkeggd08657comptox dashboard (epa)dtxsid60173502 chemical and physical dataformulac19h20n2o3smolar mass356.44 g·mol−13d model (jsmol)interactive image smiles ccoc1=cc=c(c=c1)c2=cc(=cn2c3=cc=c(c=c3)s(=o)(=o)n)c inchi inchi=1s/c19h20n2o3s/c1-3-24-17-8-4-15(5-9-17)19-12-14(2)13-21(19)16-6-10-18(11-7-16)25(20,22)23/h4-13h,3h2,1-2h3,(h2,20,22,23)key:jtmitokkumvwrt-uhfffaoysa-n