tybamate tybamate tybamate (inn; solacen, tybatran, effisax) is an anxiolytic of the carbamate family. it is a prodrug for meprobamate in the same way as the better known drug carisoprodol. it has liver enzyme inducing effects similar to those of phenobarbital but much weaker. tybamateclinical dataatc codenoneidentifiers iupac name n-butylcarbamate cas number4268-36-4 ypubchem cid20266chemspider19092 nunii3875lll8m8keggd06260 ycomptox dashboard (epa)dtxsid7023728 echa infocard100.022.050 chemical and physical dataformulac13h26n2o4molar mass274.361 g·mol−13d model (jsmol)interactive image smiles ccccnc(=o)occ(c)(ccc)coc(=o)n inchi inchi=1s/c13h26n2o4/c1-4-6-8-15-12(17)19-10-13(3,7-5-2)9-18-11(14)16/h4-10h2,1-3h3,(h2,14,16)(h,15,17) nkey:prbordfjhhaisj-uhfffaoysa-n n ny (what is this?) (verify) as the trade name tybatran (robins), it was formerly available in capsules of 125, 250, and 350 mg, taken 3 or 4 times a day for a total daily dosage of 750 mg to 2 g. the plasma half-life of the drug is three hours. at high doses in combination with phenothiazines, it could produce convulsions.