Chemical Name: (11β,17β)-11-[4-[[5-[(4,4,5,5,5-Pentafluoropentyl)sulfonyl]pentyl]oxy]phenylestra-1,3,5,(10)-triene-3,17-diol
Biological Activity Pure antiestrogen that downregulates estrogen receptor expression (IC50 = 0.04 nM). Displays potent antiproliferative activity in vitro (IC50 = 0.035 - 0.09 nM in MCF-7 cells) and causes long term regression of tamoxifen-resistant MCF-7 xenografts in vivo.
Soluble to 100 mM in DMSO and to 100 mM in ethanol
Store at +4°C
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