cefaparole cefaparole cefaparole (cephaparole) is a cephem antibiotic of the cephalosporin subclass that was never marketed. cefaparoleidentifiers iupac name (6r,7r)-7--3--8-oxo-5-thia-1-azabicyclooct-2-ene-2-carboxylic acid cas number51627-20-4pubchem cid17397561drugbank111chemspider8588813uniihw64w823gckeggd03421chemblchembl2104067echa infocard100.052.097 chemical and physical dataformulac19h19n5o5s3molar mass493.57 g·mol−13d model (jsmol)interactive image smiles cc1nnc(s1)scc2=c(n3((c3=o)nc(=o)(c4ccc(cc4)o)n)sc2)c(=o)o inchi inchi=1s/c19h19n5o5s3/c1-8-22-23-19(32-8)31-7-10-6-30-17-13(16(27)24(17)14(10)18(28)29)21-15(26)12(20)9-2-4-11(25)5-3-9/h2-5,12-13,17,25h,6-7,20h2,1h3,(h,21,26)(h,28,29)/t12-,13-,17-/m1/s1key:sbucdzyltrymfg-pbfpgscmsa-n