levodropropizine levodropropizine levodropropizine is a cough suppressant. it is the levo isomer of dropropizine. it acts as a peripheral antitussive, with no action in the central nervous system. it does not cause side effects such as constipation or respiratory depression which can be produced by opioid antitussives such as codeine and its derivatives. levodropropizineclinical dataahfs/drugs.cominternational drug namesatc coder05db27 (who) pharmacokinetic dataprotein binding11-14%excretion83% via urine within 96 hidentifiers iupac name (2s)-3-(4-phenylpiperazin-1-yl)propane-1,2-diol cas number99291-25-5 ypubchem cid65859drugbankdb12472 ychemspider59270 yunii3o31p6t4g3keggd08119 ychebichebi:82722 ncomptox dashboard (epa)dtxsid8023210 echa infocard100.167.719 chemical and physical dataformulac13h20n2o2molar mass236.315 g·mol−13d model (jsmol)interactive image smiles o(cn2ccn(c1ccccc1)cc2)co inchi inchi=1s/c13h20n2o2/c16-11-13(17)10-14-6-8-15(9-7-14)12-4-2-1-3-5-12/h1-5,13,16-17h,6-11h2/t13-/m0/s1 ykey:ptvwpyvooklbcg-zdusscgksa-n y ny (what is this?) (verify)