sulfametomidine sulfametomidine sulfametomidine (or sulfamethomidine) is a sulfonamide antibacterial. sulfametomidineclinical dataroutes ofadministrationoralatc codej01ed03 (who) pharmacokinetic dataelimination half-life27 hoursexcretionrenalidentifiers iupac name 4-amino-n-(6-methoxy-2-methylpyrimidin-4-yl)benzenesulfonamide cas number3772-76-7 npubchem cid19596chemspider18460 yunii940zl3ahkbchemblchembl485940 ycomptox dashboard (epa)dtxsid0023616 echa infocard100.021.109 chemical and physical dataformulac12h14n4o3smolar mass294.33 g·mol−13d model (jsmol)interactive image smiles o=s(=o)(nc1nc(nc(oc)c1)c)c2ccc(n)cc2 inchi inchi=1s/c12h14n4o3s/c1-8-14-11(7-12(15-8)19-2)16-20(17,18)10-5-3-9(13)4-6-10/h3-7h,13h2,1-2h3,(h,14,15,16) ykey:qklscppjevxont-uhfffaoysa-n y ny (what is this?) (verify)