metahexamide metahexamide metahexamide (inn) is an anti-diabetic drug from the group of sulfonylureas. it is long-acting and belongs to the first-generation cyclohexyl-containing sulfonylureas. it was first described in 1959. metahexamide names preferred iupac name 3-amino-n-(cyclohexylcarbamoyl)-4-methylbenzene-1-sulfonamide identifiers cas number 565-33-3 y 3d model (jsmol) interactive image chembl chembl507419 n chemspider 10785 n echa infocard 100.008.434 kegg d07117 n pubchem cid 11259 unii t3u6f5d722 y comptox dashboard (epa) dtxsid3023267 inchi inchi=1s/c14h21n3o3s/c1-10-7-8-12(9-13(10)15)21(19,20)17-14(18)16-11-5-3-2-4-6-11/h7-9,11h,2-6,15h2,1h3,(h2,16,17,18) nkey: xxytxqgcrqlrha-uhfffaoysa-n ninchi=1/c14h21n3o3s/c1-10-7-8-12(9-13(10)15)21(19,20)17-14(18)16-11-5-3-2-4-6-11/h7-9,11h,2-6,15h2,1h3,(h2,16,17,18)key: xxytxqgcrqlrha-uhfffaoyab smiles cc1=c(c=c(c=c1)s(=o)(=o)nc(=o)nc2ccccc2)n properties chemical formula c14h21n3o3s molar mass 311.4 g/mol pharmacology atc code a10bb10 (who) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references