Catalogue Number:B327145
Chemical Name:(E)-Betamethasone-∆17,20 21-Aldehyde
Synonyms:(11β,16β,17E)-9-Fluoro-11,20-dihydroxy-16-methyl-3-oxo-pregna-1,4,17(20)-trien-21-al; (E)-9-Fluoro-11β,20-dihydroxy-16β-methyl-3-oxopregna-1,4,17(20)-trien-21-al; Betamethasone-(E)-enolaldehyde;
CAS Number:52647-07-1
Molecular Formula:C₂₂H₂₇FO₄
Appearance:White to Off-White Solid
Melting Point:>220°C (dec.)
Molecular Weight:374.45
Storage:-20°C, Hygroscopic
Solubility:Acetone (Slightly), DMSO (Slightly), Methanol (Slightly, Sonicated)
Stability
Hygroscopic
Category:Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:(E)-Betamethasone-∆17,20 21-Aldehyde can be used as analyte in analytical study of development of stability-indicating RP-LC method for determination of betamethasone dipropionate and determination of its related compounds in dermatology pharmaceutical product. Impurity of drug, analytical standard
References:Kaur, P., et al.: Chromatographia, 71, 805-814 (2010);
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