Date published: 2026-4-2

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Estren (CAS 35950-87-9)

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Alternate Names:
4-Estren-3α, 17β-diol
Application:
Estren is a steroid ligand
CAS Number:
35950-87-9
Purity:
≥98%
Molecular Weight:
276.41
Molecular Formula:
C18H28O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Estren is a steroid ligand that exhibits lower binding affinity for estrogen receptor and has no classical transcriptional activity. Estren has been shown to attenuate osteoblast apoptosis, stimulate osteoclast apoptosis, and increase bone mass and strength with no affect to reproductive organs in a non-sex-specific mechanism of action. Estren is possibly useful in studies pertaining to hormone replacement therapy for osteoporosis.


Estren (CAS 35950-87-9) References

  1. Reversal of bone loss in mice by nongenotropic signaling of sex steroids.  |  Kousteni, S., et al. 2002. Science. 298: 843-6. PMID: 12399595
  2. Present and future pharmacotherapy for osteoporosis.  |  Doggrell, SA. 2003. Drugs Today (Barc). 39: 633-57. PMID: 14566385
  3. Estren is a selective estrogen receptor modulator with transcriptional activity.  |  Movérare, S., et al. 2003. Mol Pharmacol. 64: 1428-33. PMID: 14645673
  4. Estren (4-estren-3alpha,17beta-diol) is a prohormone that regulates both androgenic and estrogenic transcriptional effects through the androgen receptor.  |  Centrella, M., et al. 2004. Mol Endocrinol. 18: 1120-30. PMID: 14764654
  5. The nongenotropic synthetic ligand 4-estren-3alpha17beta-diol is a high-affinity genotropic androgen receptor agonist.  |  Krishnan, V., et al. 2005. Mol Pharmacol. 67: 744-8. PMID: 15557561
  6. Estren promotes androgen phenotypes in primary lymphoid organs and submandibular glands.  |  Islander, U., et al. 2005. BMC Immunol. 6: 16. PMID: 16011795
  7. Classical genotropic versus kinase-initiated regulation of gene transcription by the estrogen receptor alpha.  |  Almeida, M., et al. 2006. Endocrinology. 147: 1986-96. PMID: 16384865
  8. Estren behaves as a weak estrogen rather than a nongenomic selective activator in the mouse uterus.  |  Hewitt, SC., et al. 2006. Endocrinology. 147: 2203-14. PMID: 16469803
  9. Differential ERα-mediated rapid estrogenic actions of ginsenoside Rg1 and estren in human breast cancer MCF-7 cells.  |  Gao, QG., et al. 2014. J Steroid Biochem Mol Biol. 141: 104-12. PMID: 24508513
  10. Dynamic changes in binding interaction networks of sex steroids establish their non-classical effects.  |  Bálint, M., et al. 2017. Sci Rep. 7: 14847. PMID: 29093525

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Estren, 10 mg

sc-204745
10 mg
$693.00