clofenamide clofenamide clofenamide (or diumide) is a low-ceiling sulfonamide diuretic. clofenamideclinical dataatc codec03ba07 (who) identifiers iupac name 4-chlorobenzene-1,3-disulfonamide cas number671-95-4 ypubchem cid69594chemspider62797 yunii582iln204bkeggd01822 ychemblchembl1865258 ncomptox dashboard (epa)dtxsid4046153 echa infocard100.010.536 chemical and physical dataformulac6h7cln2o4s2molar mass270.70 g·mol−13d model (jsmol)interactive image smiles o=s(=o)(c1cc(ccc1cl)s(=o)(=o)n)n inchi inchi=1s/c6h7cln2o4s2/c7-5-2-1-4(14(8,10)11)3-6(5)15(9,12)13/h1-3h,(h2,8,10,11)(h2,9,12,13) ykey:nenbaisihcwpkp-uhfffaoysa-n y ny (what is this?) (verify)