nifurtoinol nifurtoinol nifurtoinol (rinn, trade name urfadyn) is a nitrofuran-derivative antibiotic used in the treatment of urinary tract infections. nifurtoinolclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codej01xe02 (who) pharmacokinetic dataexcretionrenal (40–50% within the first 12 hours)identifiers iupac name 3-(hydroxymethyl)-1-imidazolidine-2,4-dione cas number1088-92-2 ypubchem cid9571062chemspider7845528 nunii980688h13okeggd07243 ychebichebi:88255 ncomptox dashboard (epa)dtxsid30148747 echa infocard100.012.842 chemical and physical dataformulac9h8n4o6molar mass268.185 g·mol−13d model (jsmol)interactive image smiles c1c(=o)n(c(=o)n1/n=c/c2=cc=c(o2)(=o))co inchi inchi=1s/c9h8n4o6/c14-5-11-7(15)4-12(9(11)16)10-3-6-1-2-8(19-6)13(17)18/h1-3,14h,4-5h2/b10-3+ nkey:uidwqgrxevdfca-xcvcljgosa-n n ny (what is this?) (verify) it is also known as "hydroxymethylnitrofurantoin".