2342573-95-7

3β,7α-Dihydroxycholest-5-enoic acid-d₃ is intended for use as an internal standard for the quantification of 3β,7α-dihydroxycholest-5-enoic acid by GC- or LC-MS. 3β,7α-Dihydroxycholest-5-enoic acid is a metabolite of the cholesterol metabolite cholestenoic acid and a bile acid biosynthetic intermediate.^1,2

3β,7α-Dihydroxycholest-5-enoic acid-d3 is deuterium labeled 3β,7α-Dihydroxycholest-5-enoic acid.

1. Meaney, S., Babiker, A.G., Lütjohann, D., et al. On the origin of the cholestenoic acids in human circulation Steroids 68(7-8),595-601(2003).
2. Axelson, M., M?rk, B., and Sj?vall, J. Occurrence of 3β-hydroxy-5-cholestenoic acid, 3β,7α-dihydroxy-5-cholestenoic acid, and 7α-hydroxy-3-oxo-4-cholestenoic acid as normal constituents in human blood J. Lipid. Res. 29(5),629-641(1988).