iproheptine iproheptine iproheptine (metron, susat) is a nasal decongestant marketed in japan. iproheptine identifiers cas number 13946-02-6 y 3d model (jsmol) interactive image chembl chembl2103925 chemspider 18760 y echa infocard 100.034.283 ec number 237-726-4 pubchem cid 19917 unii p021x7vtg0 y comptox dashboard (epa) dtxsid8046248 inchi inchi=1s/c11h25n/c1-9(2)7-6-8-11(5)12-10(3)4/h9-12h,6-8h2,1-5h3 ykey: nkgybxhaqakssg-uhfffaoysa-n y smiles cc(c)cccc(c)nc(c)c properties chemical formula c11h25n molar mass 171.328 g·mol−1 appearance colourless liquid odor ichtyal, ammoniacal related compounds related amines spermidinedibutylamine except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references