paramethasone paramethasone paramethasone is a fluorinated glucocorticoid with anti-inflammatory and immunosuppressant properties. not to be confused with paramethadione. paramethasoneclinical dataother names(6s,8s,9s,10r,11s,13s,14s,16r,17r)-6-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6h-cyclopentaphenanthren-3-oneahfs/drugs.cominternational drug namesatc codeh02ab05 (who) identifiers iupac name (6α,11β,16α)-6-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione cas number53-33-8 ypubchem cid5875drugbankdb01384 nchemspider5664 yuniivfc6zx3584keggc07413 nchemblchembl1579 ycomptox dashboard (epa)dtxsid3023421 echa infocard100.000.155 chemical and physical dataformulac22h29fo5molar mass392.467 g·mol−13d model (jsmol)interactive image smiles o=c\1\c=c/4(/c(=c/1)(f)c24(o)c3((o)(c(=o)co)(c23)c)c)c inchi inchi=1s/c22h29fo5/c1-11-6-14-13-8-16(23)15-7-12(25)4-5-20(15,2)19(13)17(26)9-21(14,3)22(11,28)18(27)10-24/h4-5,7,11,13-14,16-17,19,24,26,28h,6,8-10h2,1-3h3/t11-,13+,14+,16+,17+,19-,20+,21+,22+/m1/s1 ykey:mkpdwecbuazohp-afyjwttesa-n y ny (what is this?) (verify)