(3S,8R,9S,10R,13S,14S,15R,17S)-17-(2-(1,3-Dioxolan-2-yl)ethyl)-10,13,15-trimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol is an intermediate in the synthesis of 15β-Methyl Drospirenone (M303850), which is an impurity of the synthetic progestogen Drospirenone (D689500).