bunaftine bunaftine bunaftine (or bunaphtine) is an antiarrhythmic agent. it is classified in class iii. bunaftineclinical dataatc codec01bd03 (who) identifiers iupac name n--n-propylnaphthalene-1-carboxamide cas number32421-46-8 ypubchem cid36131chemspider33233 yuniigh09prq3fukeggd07428 ychemblchembl2104200comptox dashboard (epa)dtxsid90186165 echa infocard100.046.373 chemical and physical dataformulac21h30n2omolar mass326.484 g·mol−13d model (jsmol)interactive image smiles o=c(n(cccc)ccn(cc)cc)c2cccc1ccccc12 inchi inchi=1s/c21h30n2o/c1-4-7-15-23(17-16-22(5-2)6-3)21(24)20-14-10-12-18-11-8-9-13-19(18)20/h8-14h,4-7,15-17h2,1-3h3 ykey:wwgzxryelywjbd-uhfffaoysa-n y (verify)