vinylbital vinylbital vinylbital, also known as butylvinal, is a sedative hypnotic drug which is a barbiturate derivative. it was developed by aktiebolaget pharmacia in the 1950s. vinylbitalclinical dataroutes ofadministrationoralatc coden05ca08 (who) legal statuslegal status ca: schedule iv de: anlage ii (authorized trade only, not prescriptible) us: schedule iv pharmacokinetic datametabolismhepaticexcretionrenalidentifiers iupac name 5-(1-methylbutyl)-5-vinylpyrimidine-2,4,6(1h,3h,5h)-trione cas number2430-49-1 npubchem cid72135chemspider65109 yunii3w58itx06qkeggd07321 yecha infocard100.017.633 chemical and physical dataformulac11h16n2o3molar mass224.260 g·mol−13d model (jsmol)interactive image smiles o=c1nc(=o)nc(=o)c1(\c=c)c(c)ccc inchi inchi=1s/c11h16n2o3/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h5,7h,2,4,6h2,1,3h3,(h2,12,13,14,15,16) ykey:kgkjzekqjqqotd-uhfffaoysa-n y ny (what is this?) (verify)