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Category
Beclometasone
CAS Number
981-34-0
Molecular Formula
C22H28O5
Molecular Weight
372.45
Catelogue Number
MLS-BMD-EP-IMP-R/01
Synonym
'-9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione-d5|(4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-7-hydroxy-7-(2-hydroxyacetyl)-4a,6a,8-trimethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2(4aH)-one|(9β,11β,16β)-9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione|9,11?-Epoxy-17,21-dihydroxy-16?-methyl-9?-pregna-1,4-diene-3,20-dione ;|9,11β-Epoxy-17,21-dihydroxy-16β-methyl-9β-pregna-1,4-diene-3,20-dione|Beclometasone Dipropionate Impurity R;|Betamethasone 9-11-Epoxide
Keywords
Pharmaceuticals
Intermediates & Fine Chemicals
Steroids
Beclometasone Dipropionate EP Impurity R
9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione (Betamethasone EP Impurity E) is a metabolite of Mometasone Furoate (M490000), a tropical corticosteroid used as an anti-inflammatory. Low solubility in most solvent.