Methylprednisolone EP Impurity F Catalogue G112646 CAS 1625-39-4 M.W 376.49 M.F C22H32O5 Specifications FAQs (6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one