Beclometasone (Beclomethasone) Dipropionate EP Impurity H Catalogue L326518 CAS 5534-18-9 M.W 464.98 M.F C25H33ClO6 Specifications FAQs (8S,9R,10S,11S,13S,14S,16S,17R)-9-chloro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14, 15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate