nimustine nimustine nimustine (inn) is a nitrosourea alkylating agent. nimustineclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationintravenousatc codel01ad06 (who) legal statuslegal status in general: ℞ (prescription only) identifiers iupac name n'--n-(2-chloroethyl)-n-nitrosourea cas number42471-28-3 ypubchem cid39214chemspider35876 nunii0s726v972kkeggd08276 ychebichebi:75270 ncomptox dashboard (epa)dtxsid0045179 echa infocard100.050.744 chemical and physical dataformulac9h13cln6o2molar mass272.69 g·mol−13d model (jsmol)interactive image smiles cc1=nc=c(c(=n1)n)cnc(=o)n(cccl)n=o inchi inchi=1s/c9h13cln6o2/c1-6-12-4-7(8(11)14-6)5-13-9(17)16(15-18)3-2-10/h4h,2-3,5h2,1h3,(h,13,17)(h2,11,12,14) nkey:vfedrrnhlbgpnn-uhfffaoysa-n n ny (what is this?) (verify) it is used to treat malignant brain tumors and has proven to be rather effective.