Date published: 2026-2-6

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MPP dihydrochloride (CAS 289726-02-9)

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Alternate Names:
1,3-Bis(4-hydroxyphenyl)-4-methyl-5-[4-(2-piperidinylethoxy)phenol]-1H-pyrazole dihydrochloride
Application:
MPP dihydrochloride is a high affinity silent antagonist at ERα
CAS Number:
289726-02-9
Molecular Weight:
542.50
Molecular Formula:
C29H31N3O32HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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MPP dihydrochloride is a selective, high affinity silent antagonist at ERalpha. Displays greater than 200-fold selectivity for ERalpha over ERbeta. Ki values are 2.7 and 1800 nM at ERalpha and ERbeta respectively


MPP dihydrochloride (CAS 289726-02-9) References

  1. Estrogen provides neuroprotection against activated microglia-induced dopaminergic neuronal injury through both estrogen receptor-alpha and estrogen receptor-beta in microglia.  |  Liu, X., et al. 2005. J Neurosci Res. 81: 653-65. PMID: 16013043
  2. ER-β mediates 17β-estradiol attenuation of HIV-1 Tat-induced apoptotic signaling.  |  Adams, SM., et al. 2010. Synapse. 64: 829-38. PMID: 20340172
  3. Estrogen dependent signaling in reproductive tissues - a role for estrogen receptors and estrogen related receptors.  |  Gibson, DA. and Saunders, PT. 2012. Mol Cell Endocrinol. 348: 361-72. PMID: 21964318
  4. Tamoxifen and estradiol improved locomotor function and increased spared tissue in rats after spinal cord injury: their antioxidant effect and role of estrogen receptor alpha.  |  Mosquera, L., et al. 2014. Brain Res. 1561: 11-22. PMID: 24637260
  5. Estrogen Activates AMP-Activated Protein Kinase in Human Endothelial Cells via ERβ/Ca(2+)/Calmodulin-Dependent Protein Kinase Kinase β Pathway.  |  Yang, S. and Wang, J. 2015. Cell Biochem Biophys. 72: 701-7. PMID: 25616441
  6. Estrogen receptors and estetrol-dependent neuroprotective actions: a pilot study.  |  Tskitishvili, E., et al. 2017. J Endocrinol. 232: 85-95. PMID: 27799463
  7. Rapid estrogen receptor-α signaling mediated by ERK activation regulates vascular tone in male and ovary-intact female mice.  |  Kim, SC., et al. 2018. Am J Physiol Heart Circ Physiol. 314: H330-H342. PMID: 28887333
  8. The ginsenoside PPD exerts anti-endometriosis effects by suppressing estrogen receptor-mediated inhibition of endometrial stromal cell autophagy and NK cell cytotoxicity.  |  Zhang, B., et al. 2018. Cell Death Dis. 9: 574. PMID: 29760378
  9. α-Chaconine and α-Solanine Inhibit RL95-2 Endometrium Cancer Cell Proliferation by Reducing Expression of Akt (Ser473) and ERα (Ser167).  |  Karaboğa Arslan, AK. and Yerer, MB. 2018. Nutrients. 10: PMID: 29799481
  10. Effects of low-magnitude high-frequency vibration on osteoblasts are dependent on estrogen receptor α signaling and cytoskeletal remodeling.  |  Haffner-Luntzer, M., et al. 2018. Biochem Biophys Res Commun. 503: 2678-2684. PMID: 30093109
  11. Molecular docking of genistein on estrogen receptors, promoter region of BCLX, caspase-3, Ki-67, cyclin D1, and telomere activity.  |  Yuseran, H., et al. 2019. J Taibah Univ Med Sci. 14: 79-87. PMID: 31435394
  12. Estrogen enhances browning in adipose tissue by M2 macrophage polarization via heme oxygenase-1.  |  Sul, OJ., et al. 2021. J Cell Physiol. 236: 1875-1888. PMID: 32716106

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

MPP dihydrochloride, 10 mg

sc-204098
10 mg
$184.00

MPP dihydrochloride, 50 mg

sc-204098A
50 mg
$744.00