| Names | |
|---|---|
| IUPAC name Estra-1,3,5(10)-triene-3,16β,17α-triol | |
| Systematic IUPAC name (1S,2S,3aS,3bR,9bS,11aS)-11a-Methyl-2,3,3a,3b,4,5,9b,10,11,11a-decahydro-1H-cyclopenta[a]phenanthrene-1,2,7-triol | |
| Identifiers | |
3D model (JSmol) | |
| ChemSpider | |
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| Properties | |
| C18H24O3 | |
| Molar mass | 288.387 g·mol−1 |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
16β,17α-Epiestriol, or16,17-epiestriol, also known as16β-hydroxy-17α-estradiol, as well asestra-1,3,5(10)-triene-3,16β,17α-triol, is a minor and weakendogenoussteroidalestrogen that is related to17α-estradiol andestriol.[1][2] Along with estriol, 16β,17α-epiestriol has been detected in theurine of women during the latepregnancy stage.[2] It shows preferentialaffinity for theERβ over theERα.[3]