17-EPIESTRIOL
Synonym(s):1,3,5(10)-Estratriene-3,16α,17α-triol;16α-Hydroxy-17α-estradiol;3,16α,17α-Trihydroxy-1,3,5(10)-estratriene
- CAS NO.：1228-72-4
- Empirical Formula: C18H24O3
- Molecular Weight: 288.38
- MDL number: MFCD00069500
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-11-04 17:02:00
What is 17-EPIESTRIOL?
Chemical properties
Off-White Solid
The Uses of 17-EPIESTRIOL
17-Epiestriol (Estriol EP Impurity E) is a metabolite of Estradiol.
Definition
ChEBI: 17-epiestriol is a 16alpha-hydroxy steroid that is estriol in which the hydroxy group at position 17 has been epimersied from beta- to alpha- configuration. It is a metabolite of estradiol and a selective estrogen receptor beta (ER-beta) agonist. It has a role as an estrogen receptor agonist, a human urinary metabolite and an estrogen. It is a 16alpha-hydroxy steroid, a 17alpha-hydroxy steroid and a 3-hydroxy steroid. It derives from a hydride of an estrane.
Biochem/physiol Actions
17-epiestriol is an estradiol metabolite and a selective estrogen receptor (ER) beta agonist.
Properties of 17-EPIESTRIOL
| Melting point: | 239-241°C |
| storage temp. | -20°C Freezer |
| solubility | DMSO (Slightly), Ethanol (Slightly), Methanol (Slightly) |
| form | Solid |
| color | off-white to yellow |
Safety information for 17-EPIESTRIOL
Computed Descriptors for 17-EPIESTRIOL
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