methylprednisolone suleptanate methylprednisolone suleptanate methylprednisolone suleptanate, sold under the brand names medrosol and promedrol, is a synthetic glucocorticoid corticosteroid and a corticosteroid ester—specifically, the c21 suleptanate 21-(8-(methyl-(2-sulfoethyl)amino)-1,8-dioxooctanoate) ester of methylprednisolone. it acts as a prodrug of methylprednisolone. methylprednisolone suleptanate was developed as an improved alternative to methylprednisolone acetate (depo-medrol) with greater water solubility for use by intravenous administration. methylprednisolone suleptanateclinical datatrade namesmedrosol, promedrolother namespnu-67590a; u-67590a; methylprednisolone 21-(8-(methyl-(2-sulfoethyl)amino)-1,8-dioxooctanoate); 11β,17α-dihydroxy-6α-methyl-21-((8-(methyl(2-sulfoethyl)amino)-1,8-dioxooctyl)oxy)pregna-1,4-diene-3,20-dioneroutes ofadministrationintravenous administrationdrug classcorticosteroid; glucocorticoididentifiers iupac name 2-phenanthren-17-yl]-2-oxoethoxy]-8-oxooctanoyl]-methylamino]ethanesulfonic acid cas number121807-10-1pubchem cid56068chemspider50613unii3o5t2nje2dchebichebi:135864chemblchembl1697783comptox dashboard (epa)dtxsid7023304 chemical and physical dataformulac33h49no10smolar mass651.81 g·mol−13d model (jsmol)interactive image smiles c1c23cc(3(c(24(c1=cc(=o)c=c4)c)o)c)(c(=o)coc(=o)ccccccc(=o)n(c)ccs(=o)(=o)o)o inchi inchi=1s/c33h49no10s/c1-21-17-23-24-12-14-33(40,32(24,3)19-26(36)30(23)31(2)13-11-22(35)18-25(21)31)27(37)20-44-29(39)10-8-6-5-7-9-28(38)34(4)15-16-45(41,42)43/h11,13,18,21,23-24,26,30,36,40h,5-10,12,14-17,19-20h2,1-4h3,(h,41,42,43)/t21-,23-,24-,26-,30+,31-,32-,33-/m0/s1key:pscnnggpkibahb-wfvoknhcsa-n