tiprenolol tiprenolol tiprenolol is a beta adrenergic receptor antagonist. tiprenolol names iupac name 1-(2-methylsulfanylphenoxy)-3-(propan-2-ylamino)propan-2-ol identifiers cas number 26481-51-6 y 3d model (jsmol) interactive image chembl chembl2111163 chemspider 35152 pubchem cid 38353 unii r86k1u4o7j y comptox dashboard (epa) dtxsid60928271 inchi inchi=1s/c13h21no2s/c1-10(2)14-8-11(15)9-16-12-6-4-5-7-13(12)17-3/h4-7,10-11,14-15h,8-9h2,1-3h3key: csunlsyseqidmo-uhfffaoysa-n smiles cc(c)ncc(coc1=cc=cc=c1sc)o properties chemical formula c13h21no2s molar mass 255.38 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references