diphepanol diphepanol diphepanol is a cough suppressant. diphepanol names iupac name 1,1-diphenyl-2-(piperidin-1-yl)propan-1-ol identifiers cas number 510-07-6 y 3d model (jsmol) interactive image chemspider 84978 echa infocard 100.007.372 pubchem cid 94161 unii v4wzf2t3y5 y comptox dashboard (epa) dtxsid70965273 inchi inchi=1s/c20h25no/c1-17(21-15-9-4-10-16-21)20(22,18-11-5-2-6-12-18)19-13-7-3-8-14-19/h2-3,5-8,11-14,17,22h,4,9-10,15-16h2,1h3 smiles oc(c1ccccc1)(c2ccccc2)c(n3ccccc3)c properties chemical formula c20h25no molar mass 295.42 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references