ERB 041

Cat. No. 4276

ERB 041 C15H10FNO3 [524684-52-4]

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Chemical Name: 7-Ethenyl-2-(3-fluoro-4-hydroxyphenyl)-5-benzoxazolol

Biological Activity

Potent ERβ agonist; displays >200-fold selectivity for ERβ over ERα (IC50 values are 5 and 1216 nM for human ERβ and ERα; 3.1 and 620 nM for rat ERβ and ERα; and 3.7 and 750 nM for mouse ERβ and ERα respectively).

Licensing Information

Sold for research purposes under agreement from Pfizer Inc.

Technical Data

Soluble to 100 mM in DMSO and to 100 mM in ethanol
>99 %
Store at -20°C

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

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Harris et al (2003) Evaluaton of an estrogen receptor-β agonist in animal models of human disease. Endocrinology 144 4241. PMID: 14500559.

Malamas et al (2004) Design and synthesis of aryl diphenolic azoles as potent and selective estrogen receptor-β ligands. J.Med.Chem. 47 5021. PMID: 15456246.

Cvoro et al (2008) Selective estrogen receptor-γ agonists repress transcription of proinflammatory genes. J.Immunol. 180 630. PMID: 18097065.

If you know of a relevant citation for this product please let us know.

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Keywords: ERB 041, supplier, pfizer, ERB041, potent, erb, erbeta, erγ, estrogen, receptors, agonists, selective

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