| Identification | Back Directory | [Name]
9,11β-Epoxy-17-hydroxy-16β-methyl-3,20-dioxo-9β-pregna-1,4-diene-21-yl Acetate | [CAS]
912-38-9 | [Synonyms]
Betamethasone Impurity 18
Betamethasone Acetate - Impurity D
Betamethasone Acetate EP Impurity D
21-O-Acetyl Betamethasone 9, 11-Epoxide
Betamethasone Impurity 21（Betamethasone Acetate EP Impurity D）
Betamethasone Impurity 18 (Desoximetasone Beta Methyl Epoxide 21-Acetate)
9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione 21-acetate
21-Acetyloxy-9β,11β-epoxy-17-hydroxy-16β-methylpregna-1,4-diene-3,20-dione
9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Acetate
9β,11β-epoxy-17α,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-acetate
(9β)-9,11β-Epoxy-16β-methyl-17,21-dihydroxypregna-1,4-diene-3,20-dione 21-acetate
beta,11beta-Epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate
9beta,11beta-epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate
Betamethasone Acetate impurity 2/Betamethasone Acetate EP Impurity D/9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Acetate | [EINECS(EC#)]
213-012-8 | [Molecular Formula]
C24H30O6 | [MDL Number]
MFCD28359078 | [MOL File]
912-38-9.mol | [Molecular Weight]
414.491 |
| Chemical Properties | Back Directory | [Melting point ]
198-203°C | [Boiling point ]
575.1±50.0 °C(Predicted) | [density ]
1.29±0.1 g/cm3(Predicted) | [storage temp. ]
-20°C Freezer | [solubility ]
Chloroform (Slightly), Dioxane (Slightly), DMSO (Slightly), Methanol (Slightly) | [form ]
Solid | [pka]
12.51±0.70(Predicted) | [color ]
White |
| Hazard Information | Back Directory | [Chemical Properties]
White Solid | [Uses]
9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Acetate is an intermediate in the production of Betamethasone (B327000), which is a glucocorticoid used as an anti-inflammatory agent. | [Uses]
Intermediate in the production of Betamethasone |
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