Harman Patil (Editor)

Estriol glucuronide

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Routes ofadministration
  
Oral

PubChem CID
  
122281

Formula
  
C24H32O9

Route
  
Oral administration

CAS Number
  
28808-07-3

ChemSpider
  
134818

Molar mass
  
464.511 g/mol

Estriol glucuronide

Synonyms
  
(16α,17β)-16,17-Dihydroxyestra-1,3,5(10)-trien-3-yl D-glucopyranosiduronic acid; β-D-Glucopyranuronic acid, monoglycoside with (16α,17β)-estra-1,3,5(10)-triene-3,16,17-triol

Estriol glucuronide (E3G), or oestriol glucuronide, also known as estriol monoglucuronide, as well as estriol 16α-β--glucosiduronic acid, is a natural, steroidal estrogen and the glucuronic acid (β--glucopyranuronic acid) conjugate of estriol. It occurs in high concentrations in the urine of pregnant women as a reversibly formed metabolite of estriol. Estriol glucuronide is a prodrug of estriol, and was the major component of Progynon and Emmenin, estrogenic products manufactured from the urine of pregnant women that were introduced in the 1920s and 1930s and were the first orally active estrogens. Emmenin was succeeded by Premarin (conjugated equine estrogens), which is sourced from the urine of pregnant mares and was introduced in 1941. Premarin replaced Emmenin due to the fact that it was easier and less expensive to produce.

The positional isomer of estriol 16α-glucuronide, estriol 3-glucuronide, also occurs as an endogenous metabolite of estriol, although to a much lower extent in comparison.

References

Estriol glucuronide Wikipedia


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