xibornol xibornol xibornol is an antibiotic. xibornolclinical dataahfs/drugs.cominternational drug namesatc codej01xx02 (who) identifiers iupac name 4,5-dimethyl-2-heptanyl]phenol cas number13741-18-9 ypubchem cid11777299chemspider9951982 yuniirq12gmy0fzkeggd07433 ychebichebi:131713 ychemblchembl2104519comptox dashboard (epa)dtxsid60472406 echa infocard100.033.906 chemical and physical dataformulac18h26omolar mass258.405 g·mol−13d model (jsmol)interactive image smiles oc1cc(c(cc1c2cc3ccc2(c)c3(c)c)c)c inchi inchi=1s/c18h26o/c1-11-8-14(16(19)9-12(11)2)15-10-13-6-7-18(15,5)17(13,3)4/h8-9,13,15,19h,6-7,10h2,1-5h3 ykey:rnrhmqwzfjxklz-uhfffaoysa-n y (verify) overview it is primarily administered to the throat. xibornol is a lipophilic drug mainly used in italy and spain in spray dosage forms for the local treatment of infection and inflammation of the throat. its poor water solubility makes difficult the development of aqueous formulations of the drug, thus giving rise to a limited number of stable and pharmaceutically accepted preparations. in fact, xibornol is actually marketed only as spray aqueous suspension.