9β,11β-Epoxy-17,21-dihydroxy-16β-methyl-pregn-4-ene-3,20-dione is synthesized from 9β,11β-epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione (E589175,) which is a metabolite of momestasone furoate (M490000).
Molecular Formula:C22H30O5
Molecular Weight:374.47
Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.