(3β,5β,7α,12α)-3,7,12-Trihydroxycholan-2,2,3,4,4-d5-24-oic Acid Methyl Ester is labelled 3β,7α,12α-Trihydroxy-5β-cholanic Acid Methyl Ester (T887970). (3β,5β,7α,12α)-3,7,12-Trihydroxycholan-2,2,3,4,4-d5-24-oic Acid Methyl Ester is an intermediate in the synthesis of 3β-Cholic Acid-d5 (C432607), which is a possible Progesterone metabolite.