etodolac etodolac etodolac is a nonsteroidal anti-inflammatory drug (nsaid). etodolacclinical dataahfs/drugs.commonographmedlineplusa692015pregnancycategory c routes ofadministrationby mouthatc codem01ab08 (who) legal statuslegal status au: s4 (prescription only) uk: pom (prescription only) us: ℞-only pharmacokinetic dataprotein binding100%metabolismliverelimination half-life7.3 ± 4.0 hoursexcretionrenalidentifiers iupac name (rs)-2-(1,8-diethyl-4,9-dihydro-3h-pyranoindol-1-yl)acetic acid cas number41340-25-4 ypubchem cid3308iuphar/bps7185drugbankdb00749 ychemspider3192 yunii2m36281008keggd00315 ychebichebi:4909 ychemblchembl622 ycomptox dashboard (epa)dtxsid9020615 echa infocard100.157.848 chemical and physical dataformulac17h21no3molar mass287.359 g·mol−13d model (jsmol)interactive imagemelting point145 to 148 °c (293 to 298 °f)solubility in water3.92e-02 mg/ml mg/ml (20 °c) smiles ccc2cccc3c1ccoc(cc)(cc(=o)o)c1c23 inchi inchi=1s/c17h21no3/c1-3-11-6-5-7-12-13-8-9-21-17(4-2,10-14(19)20)16(13)18-15(11)12/h5-7,18h,3-4,8-10h2,1-2h3,(h,19,20) ykey:nnybqonxhntvij-uhfffaoysa-n y (verify) it was patented in 1971 and approved for medical use in 1985. it was approved in the u.s. in 1991. medical uses