Date published: 2025-9-29

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Estetrol (CAS 15183-37-6)

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Application:
Estetrol is a metabolite of Estradiol
CAS Number:
15183-37-6
Purity:
≥97%
Molecular Weight:
304.38
Molecular Formula:
C18H24O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Estetrol is a metabolite of Estradiol that is an estrogenic steroid synthesized exclusively by the fetal liver during human pregnancy and reaches the maternal circulation through the placenta. It binds to the estrogen receptor and as a selective estrogen receptor modulator (SERM), it exhibits estrogen agonism in certain tissues and estrogen antagonism in others. Estetrol displays weak estrogen activity in the uterus and acts as an estrogen antagonist in breast tissue.


Estetrol (CAS 15183-37-6) References

  1. Estetrol: a unique steroid in human pregnancy.  |  Holinka, CF., et al. 2008. J Steroid Biochem Mol Biol. 110: 138-43. PMID: 18462934
  2. Estetrol, molecular chaperones, and the epigenetics of longevity and cancer resistance.  |  Krøll, J. 2014. Rejuvenation Res. 17: 157-8. PMID: 23992378
  3. Estetrol (E4): the new estrogenic component of combined oral contraceptives.  |  Grandi, G., et al. 2020. Expert Rev Clin Pharmacol. 13: 327-330. PMID: 32238069
  4. Estetrol for menopause symptoms: the Cinderella of estrogens or just another fairy tale?  |  Reame, NK. 2020. Menopause. 27: 841-843. PMID: 32576802
  5. Estetrol-drospirenone combination oral contraceptive: North American phase 3 efficacy and safety results.  |  Creinin, MD., et al. 2021. Contraception. 104: 222-228. PMID: 34000251
  6. Estetrol and the possibilities of its clinical use.  |  Křepelka, Petr. 2021. Ceska Gynekol. 86: 217-221. PMID: 34167315
  7. Estetrol and Mammary Gland: Friends or Foes?  |  Gallez, A., et al. 2021. J Mammary Gland Biol Neoplasia. 26: 297-308. PMID: 34463898
  8. Estetrol: A New Choice for Contraception.  |  Fruzzetti, F., et al. 2021. J Clin Med. 10: PMID: 34884326
  9. Profile of estetrol, a promising native estrogen for oral contraception and the relief of climacteric symptoms of menopause.  |  Gérard, C., et al. 2022. Expert Rev Clin Pharmacol. 15: 121-137. PMID: 35306927
  10. Estetrol/Drospirenone: A Review in Oral Contraception.  |  Lee, A. and Syed, YY. 2022. Drugs. 82: 1117-1125. PMID: 35781795
  11. A novel estetrol-containing combined oral contraceptive: European expert panel review.  |  Gemzell-Danielsson, K., et al. 2022. Eur J Contracept Reprod Health Care. 27: 373-383. PMID: 35862627
  12. Correction: Estetrol/Drospirenone: A Review in Oral Contraception.  |  Lee, A. and Syed, YY. 2022. Drugs. 82: 1341. PMID: 35945474
  13. A novel estetrol-containing combined oral contraceptive: European expert panel review.  |  Gemzell-Danielsson, Kristina., et al. 2022. Ceska Gynekol. 87: 440-452. PMID: 36543594

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Estetrol, 5 mg

sc-211425
5 mg
$280.00