hydrocortisone cypionate hydrocortisone cypionate hydrocortisone cypionate, sold under the brand name cortef, is a synthetic glucocorticoid corticosteroid and a corticosteroid ester. hydrocortisone cypionateclinical datatrade namescortefdrug classcorticosteroid; glucocorticoididentifiers iupac name phenanthren-17-yl]-2-oxoethyl] 3-cyclopentylpropanoate cas number508-99-6pubchem cid223253drugbankdb14541unii4xdy25l70bcomptox dashboard (epa)dtxsid90872930 echa infocard100.007.356 chemical and physical dataformulac29h42o6molar mass486.649 g·mol−13d model (jsmol)interactive image smiles c12ccc(=o)c=c1cc32(c4(3cc4(c(=o)coc(=o)ccc5cccc5)o)c)o inchi inchi=1s/c29h42o6/c1-27-13-11-20(30)15-19(27)8-9-21-22-12-14-29(34,28(22,2)16-23(31)26(21)27)24(32)17-35-25(33)10-7-18-5-3-4-6-18/h15,18,21-23,26,31,34h,3-14,16-17h2,1-2h3/t21-,22-,23-,26+,27-,28-,29-/m0/s1key:dlvoseufirpirm-kaqkjvhqsa-n