Budesonide Impurity 10 Catalogue B501410 CAS (8S,9S,10R,11S,13S,14S,17R)-11-Hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,9,10,11,12,13,14,15,1 M.W 374.43 M.F C21H26O6 Specifications FAQs (8S,9S,10R,11S,13S,14S,17R)-11-Hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,9,10,11,12,13,14,15,17-decahydro-3H-cyclopenta[a]phenanthrene-3,16(6H)-dione