pentabamate pentabamate pentabamate (s-109) is a tranquilizer of the carbamate family. pentabamateclinical dataatc codenoneidentifiers iupac name 3-methylpentane-2,4-diyl dicarbamate cas number5667-70-9pubchem cid3047822chemspider2310134unii8871zb4ugcchemical and physical dataformulac8h16n2o4molar mass204.226 g·mol−13d model (jsmol)interactive image smiles o=c(oc(c(c(oc(=o)n)c)c)c)n inchi inchi=1s/c8h16n2o4/c1-4(5(2)13-7(9)11)6(3)14-8(10)12/h4-6h,1-3h3,(h2,9,11)(h2,10,12)key:xaivvicfvufhep-uhfffaoysa-n