benexate benexate benexate (bex) is an anti-ulcer agent used in the treatment of acid-related disorders. it is unique in its inability to form salts that are both non-bitter and soluble. benexateclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codenonelegal statuslegal status in general: ℞ (prescription only) identifiers iupac name phenylmethyl 2-cyclohexanecarbonyl]oxybenzoate cas number78718-52-2pubchem cid2316chemspider2226 yuniio3pr2x907mchemblchemblchembl2104696chemical and physical dataformulac23h27n3o4molar mass409.486 g·mol−13d model (jsmol)interactive image smiles o=c(occ1ccccc1)c3ccccc3oc(=o)c2ccc(c/n=c(\n)n)cc2 inchi inchi=1s/c23h27n3o4/c24-23(25)26-14-16-10-12-18(13-11-16)21(27)30-20-9-5-4-8-19(20)22(28)29-15-17-6-2-1-3-7-17/h1-9,16,18h,10-15h2,(h4,24,25,26) ykey:iaxuqwslrkirfr-uhfffaoysa-n y ny (what is this?) (verify) medical uses benexate is approved from treatment of gastric ulcer in japan. mechanism of action the mechanism of action of benexate involves promotion of prostaglandin synthesis, protein secretion, and blood flow stimulation in the gastrointestinal tract.