oxetacaine oxetacaine oxetacaine (inn, also known as oxethazaine) is a potent local anesthetic. it is administered orally (usually in combination with an antacid) for the relief of pain associated with peptic ulcer disease or esophagitis. one example of such a product is mucaine gel, indicated for "rapid and effective relief in gastritis, esophagitis, hiatus hernia, heartburn of pregnancy and peptic ulcer". it is also used topically in the management of hemorrhoid pain. oral oxetacaine preparations are available in several countries, including india, south africa, japan, taiwan and brazil, but not the united states. unlike most local anesthetics, oxetacaine does not break down under strongly acidic conditions. oxetacaineclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoral, topicalatc codec05ad06 (who) pharmacokinetic dataelimination half-life1 houridentifiers iupac name 2,2'-(2-hydroxyethylimino)bis cas number126-27-2 npubchem cid4621chemspider4460 yuniiip8qt76v17keggd01152 ychemblchembl127592 ycomptox dashboard (epa)dtxsid0025818 echa infocard100.004.346 chemical and physical dataformulac28h41n3o3molar mass467.654 g·mol−13d model (jsmol)interactive image smiles o=c(n(c(c)(c)cc1ccccc1)c)cn(cco)cc(=o)n(c(cc2ccccc2)(c)c)c inchi inchi=1s/c28h41n3o3/c1-27(2,19-23-13-9-7-10-14-23)29(5)25(33)21-31(17-18-32)22-26(34)30(6)28(3,4)20-24-15-11-8-12-16-24/h7-16,32h,17-22h2,1-6h3 ykey:ftldjprfcgdufh-uhfffaoysa-n y ny (what is this?) (verify)