styramate styramate styramate is a muscle relaxant and anticonvulsant drug. at therapeutic doses, it does not produce significant sedative effects. styramateclinical dataatc codem03ba04 (who) identifiers iupac name (2-hydroxy-2-phenylethyl) carbamate cas number94-35-9 ypubchem cid7186chemspider6918uniicbk7y28sp3keggd07274 yecha infocard100.002.115 chemical and physical dataformulac9h11no3molar mass181.191 g·mol−13d model (jsmol)interactive image smiles c1=cc=cc=c1c(coc(=o)n)o inchi inchi=1s/c9h11no3/c10-9(12)13-6-8(11)7-4-2-1-3-5-7/h1-5,8,11h,6h2,(h2,10,12)key:ocsohurotfftfo-uhfffaoysa-n (verify)