71934-47-9

(11b,16b)-11-Hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of (16b)-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4,9(11)-triene-3,20-dione (M294225), which is an impurity of Beclomethasone (B131000), a glucocorticoid. Used in chronic asthma and allergic rhinitis. Antiallergic, antiasthmatic (inhalant). Anti-inflammatory (topical).