Cat. No. 2662

PHTPP C20H11F6N3O [805239-56-9]

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Chemical Name: 4-[2-Phenyl-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-3-yl]phenol

Biological Activity

Selective estrogen ERβ receptor antagonist that displays 36-fold selectivity over ERα. Exhibits full antagonism at ERβ in a cotransfection assay in human endometrial cancer cells (HEC-1), with minimal effects on ERα.

Technical Data

Soluble to 33 mM in DMSO and to 100 mM in ethanol
>99 %
Store at RT

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

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Safety Data Sheet: View Safety Data Sheet


Compton et al (2004) Pyrazolo[1,5-a]pyrimidines: estrogen receptor ligands possessing estrogen receptor β antagonist activity. J.Med.Chem. 47 5872. PMID: 15537344.

Compton et al (2005) Erratum. J.Med.Chem. 48 2724.

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Keywords: PHTPP, supplier, Selective, ERβ, ERbeta, antagonists, Estrogen, Receptors, Estrogen and Related Receptor Antagonists

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