idropranolol idropranolol idropranolol is a beta blocker that was never marketed. idropranololclinical dataatc codenonelegal statuslegal status never marketed identifiers iupac name 1-(5,6-dihydro-1-naphthalenyloxy)-3-(isopropylamino)-2-propanol cas number27581-02-8pubchem cid163314chemspider143322unii5u6118qyhkchemblchembl1742463chemical and physical dataformulac16h23no2molar mass261.365 g·mol−13d model (jsmol)interactive image smiles cc(c)ncc(coc1=cc=cc2=c1c=ccc2)o inchi inchi=1s/c16h23no2/c1-12(2)17-10-14(18)11-19-16-9-5-7-13-6-3-4-8-15(13)16/h4-5,7-9,12,14,17-18h,3,6,10-11h2,1-2h3key:jklyfqudqsqwrb-uhfffaoysa-n