ChemicalBook--->CAS DataBase List--->1879-77-2

1879-77-2

1879-77-2 Structure

1879-77-2 Structure
IdentificationBack Directory
[Name]

doxibetasol
[CAS]

1879-77-2
[Synonyms]

doxibetasol
21-Deoxy Betamethasone
Betamethasone Valerate EP Impurity B
9-Fluoro-16-methylpregna-1,4-diene-11,17-diol-3,20-dione
9-Fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione
16β-methyl-9α-fluoro-11β,17α-dihydroxy-1,4-pregnadiene-3,20-dione
16β-Methyl-11β,17-dihydroxy-9-fluoro-5α-pregnane-1,4-diene-3,20-dione
Betamethasone Valerate impurity 1/Betamethasone Valerate EP Impurity B/Doxybetasol/21-Deoxy Betamethasone
(8S,9R,10S,11S,13S,14S,16S,17R)-17-acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
(8S,9R,10S,11S,13S,14S,16S,17R)-17-ethanoyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
[EINECS(EC#)]

217-535-2
[Molecular Formula]

C22H29FO4
[MDL Number]

MFCD00271751
[MOL File]

1879-77-2.mol
[Molecular Weight]

376.465
Chemical PropertiesBack Directory
[Melting point ]

232-234 °C(Solv: chloroform (67-66-3))
[Boiling point ]

527.1±50.0 °C(Predicted)
[density ]

1.25±0.1 g/cm3(Predicted)
[solubility ]

Acetone (Slightly), Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

12.52±0.70(Predicted)
[color ]

White to Pale Yellow
Hazard InformationBack Directory
[Chemical Properties]

Crystallizes (chloroform). Melting point 230-234°C.
[Uses]

Doxybetasol (Betamethasone Valerate EP Impurity B) is an impurity of Betamethasone (B327000), which is a glucocorticoid used as an anti-inflammatory agent.
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