cefteram cefteram cefteram (inn) is a third-generation cephalosporin antibiotic. cefteramclinical dataahfs/drugs.cominternational drug namesatc codej01dd18 (who) legal statuslegal status in general: ℞ (prescription only) identifiers iupac name (6r,7r)-7-(amino)-3--8-oxo-5-thia-1-azabicyclooct-2-ene-2-carboxylic acid cas number82547-58-8pubchem cid6537431chemspider4576594unii74cq4q3n63keggd07655chemblchembl2105953comptox dashboard (epa)dtxsid7048821 chemical and physical dataformulac16h17n9o5s2molar mass479.49 g·mol−13d model (jsmol)interactive image smiles o=c2n1/c(=c(\cs12nc(=o)c(=n\oc)\c3nc(sc3)n)cn4nc(nn4)c)c(=o)o