Dihydrodesonide is a fully hydrogenated derivative of the corticosteroid Desonide, characterized by a saturated A-ring system with retained 11ฮฒ-hydroxy, 16ฮฑ-methyl, and 20-oxo functionalities. The compound exhibits reduced conjugation compared to its parent, featuring a 1ฮฑ,2ฮฑ-dihydro configuration at the A/B ring junction. This impurity arises from incomplete hydrogenation during Desonide synthesis, maintaining key steroidal core substitutions. Serves as a critical HPLC reference standard for quantifying residual hydrogenation byproducts in Desonide active pharmaceutical ingredients.
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InChI=1S/C24H34O6/c1-21(2)29-19-10-16-15-6-5-13-9-14(26)7-8-22(13,3)20(15)17(27)11-23(16,4)24(19,30-21)18(28)12-25/h9,15-17,19-20,25,27H,5-8,10-12H2,1-4H3/t15-,16-,17-,19+,20+,22-,23-,24+/m0/s1
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