indometacin farnesil indometacin farnesil indometacin farnesil (inn) is a prodrug of the nonsteroidal anti-inflammatory drug (nsaid) indometacin, designed to reduce the occurrence of side-effects by esterification of the carboxyl group on indometacin with farnesol. indometacin farnesil was first approved in japan in 1991, and is available in japan and indonesia, under the trade names infree and dialon, respectively. indometacin farnesilclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codenonelegal statuslegal status in general: ℞ (prescription only) pharmacokinetic datametabolismto indometacinelimination half-life1.5 hoursexcretionrenalidentifiers iupac name (2e,6e)-3,7,11-trimethyldodeca-2,6,10-trien-1-yl acetate cas number85801-02-1 ypubchem cid5282183chemspider4445378 yuniimb2386wgg8comptox dashboard (epa)dtxsid9057844 echa infocard100.242.585 chemical and physical dataformulac34h40clno4molar mass562.15 g·mol−13d model (jsmol)interactive image smiles cc1=c(c2=c(n1c(=o)c3=cc=c(c=c3)cl)c=cc(=c2)oc)cc(=o)occ=c(c)ccc=c(c)ccc=c(c)c inchi inchi=1s/c34h40clno4/c1-23(2)9-7-10-24(3)11-8-12-25(4)19-20-40-33(37)22-30-26(5)36(32-18-17-29(39-6)21-31(30)32)34(38)27-13-15-28(35)16-14-27/h9,11,13-19,21h,7-8,10,12,20,22h2,1-6h3/b24-11+,25-19+ ykey:cfigyzzvjnjvdq-lmjoqdensa-n y (verify)