cortifen cortifen cortifen, also known as cortiphen or kortifen, as well as fencoron, is a synthetic glucocorticoid corticosteroid and cytostatic antineoplastic agent which was developed in russia for potential treatment of tumors. it is a hydrophobic chlorphenacyl nitrogen mustard ester of 11-deoxycortisol (cortodoxone). cortifenclinical dataother namescortiphen; kortifen; fencoron; 11-deoxycortisol 21-(4-(bis(2-chloroethyl)amino)phenyl)acetate; 11-desoxy-17α-hydroxy-21-corticosteronedrug classcytostatic antineoplastic agent; corticosteroid; glucocorticoididentifiers iupac name phenanthren-17-yl]-2-oxoethyl] 2-phenyl]acetate pubchem cid9873581chemspider8049270chemical and physical dataformulac33h43cl2no5molar mass604.61 g·mol−13d model (jsmol)interactive image smiles c12ccc(=o)c=c1cc32cc4(3cc4(c(=o)coc(=o)cc5=cc=c(c=c5)n(cccl)cccl)o)c inchi inchi=1s/c33h43cl2no5/c1-31-12-9-25(37)20-23(31)5-8-26-27(31)10-13-32(2)28(26)11-14-33(32,40)29(38)21-41-30(39)19-22-3-6-24(7-4-22)36(17-15-34)18-16-35/h3-4,6-7,20,26-28,40h,5,8-19,21h2,1-2h3/t26-,27+,28+,31+,32+,33+/m1/s1key:phidegndcdieqx-lnpwavatsa-n