Budesonide EP Impurity F Catalogue B501466 CAS 638-94-8 M.W 416.51 M.F C24H32O6 Specifications FAQs Synonyms:(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a,10,10-tetramethyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one