ICI 182,780

Cat. No. 1047

ICI 182,780 C32H47F5O3S [129453-61-8]

Price and Availability

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Special Conditions

No more than 1 g per customer per year to be sold.

Chemical Name: 7α,17β-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17-diol

Biological Activity

A high affinity estrogen receptor antagonist (IC50 = 0.29 nM), devoid of any partial agonism both in vitro and in vivo. Also high affinity agonist at the membrane estrogen receptor GPR30.

Licensing Information

Sold with the permission of AstraZeneca UK Ltd.

Technical Data

Soluble to 50 mM in ethanol and to 100 mM in DMSO
>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

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


Wakeling et al (1991) A potent specific pure antiestrogen with clinical potential. Cancer Res. 51 3867. PMID: 1855205.

de Cupis et al (1995) Comparison between novel steroid-like and conventional nonsteroidal antioestrogens in inhibiting oestradiol and IGF-I induced proliferation of human breast cancer-derived cells. Br.J.Pharmacol. 116 2391. PMID: 8581274.

Howell et al (2000) ICI 182,780 (FaslodexTM): Development of a novel, "pure" antiestrogen. Cancer 89 817. PMID: 10951345.

Thomas et al (2005) Identity of an estrogen membrane receptor coupled to a G protein in human breast cancer cells. Endocrinology. 146 624. PMID: 15539556.

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

Keywords: ICI 182,780, supplier, High, affinity, GPR30, agonist, Estrogen, receptors, antagonists, ER, ERR, ICI182780, AstraZeneca, GPER

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