biapenem biapenem biapenem (inn) is a carbapenem antibiotic. it has in vitro activity against anaerobes. 1-β-methyl-carbapenem antibiotic. approved in japan in 2001. biapenemclinical datatrade namesomegacinahfs/drugs.cominternational drug namesroutes ofadministrationivatc codej01dh05 (who) legal statuslegal status in general: ℞ (prescription only) identifiers iupac name (4r,5s,6s)-3-(6,7-dihydro-5h- pyrazolo triazol-8- ium-6-ylsulfanyl)- 6-(1-hydroxyethyl)- 4-methyl-7-oxo-1-azabicyclohept-2- ene-2-carboxylate cas number120410-24-4 ypubchem cid71339chemspider64442 yuniiyr5u3l9zh1chebichebi:3089 ychemblchembl285347 ycomptox dashboard (epa)dtxsid5046435 chemical and physical dataformulac15h18n4o4smolar mass350.39 g·mol−13d model (jsmol)interactive image smiles cc1c2c(c(=o)n2c(=c1sc3cn4c=nc=4c3)c(=o))c(c)o inchi inchi=1s/c15h18n4o4s/c1-7-11-10(8(2)20)14(21)19(11)12(15(22)23)13(7)24-9-3-17-5-16-6-18(17)4-9/h5-11,20h,3-4h2,1-2h3/t7-,8-,10-,11-/m1/s1 ykey:mrmbzhpjvkcoma-yjfsrancsa-n y (verify)