cinchocaine cinchocaine cinchocaine (inn/ban) or dibucaine (usan) is an amide local anesthetic. among the most potent and toxic of the long-acting local anesthetics, current use of cinchocaine is generally restricted to spinal and topical anesthesia. it is sold under the brand names cincain, nupercainal, nupercaine and sovcaine. cinchocaineclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationtopical, intravenous (for animal euthanasia)atc codec05ad04 (who) d04ab02 (who) n01bb06 (who) s01ha06 (who) s02da04 (who)legal statuslegal status us: otc identifiers iupac name 2-butoxy-n-quinoline-4-carboxamide cas number85-79-0 ypubchem cid3025iuphar/bps7159drugbankdb00527 ychemspider2917 yuniil6jw2tjg99keggd00733 ychebichebi:247956 ychemblchembl1086 ycomptox dashboard (epa)dtxsid3045271 echa infocard100.001.484 chemical and physical dataformulac20h29n3o2molar mass343.471 g·mol−13d model (jsmol)interactive image smiles o=c(c1c2ccccc2nc(occcc)c1)nccn(cc)cc inchi inchi=1s/c20h29n3o2/c1-4-7-14-25-19-15-17(16-10-8-9-11-18(16)22-19)20(24)21-12-13-23(5-2)6-3/h8-11,15h,4-7,12-14h2,1-3h3,(h,21,24) ykey:pufqvtatutyeal-uhfffaoysa-n y (verify) medical use cinchocaine is the active ingredient in some topical hemorrhoid creams such as proctosedyl. it is also a component of the veterinary drug somulose, used for euthanasia of horses and cattle. physical properties cinchocaine is relatively insoluble in alkaline aqueous solutions.