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FLTX1

Catalog No. T8984Cas No. 1481401-71-1

FLTX1 is a fluorescent derivative of Tamoxifen, designed to efficiently target and label intracellular Tamoxifen-binding sites (estrogen receptors) both under permeabilized and non-permeabilized conditions. Additionally, FLTX1 demonstrates strong antiestrogenic activity in breast cancer cells, resembling the potent antiestrogenic properties of Tamoxifen. Notably, FLTX1 does not exhibit any estrogenic agonistic effect on the uterus.

FLTX1

FLTX1

Purity: 98.42%
Catalog No. T8984Cas No. 1481401-71-1
FLTX1 is a fluorescent derivative of Tamoxifen, designed to efficiently target and label intracellular Tamoxifen-binding sites (estrogen receptors) both under permeabilized and non-permeabilized conditions. Additionally, FLTX1 demonstrates strong antiestrogenic activity in breast cancer cells, resembling the potent antiestrogenic properties of Tamoxifen. Notably, FLTX1 does not exhibit any estrogenic agonistic effect on the uterus.
Pack SizePriceAvailabilityQuantity
1 mg$53In Stock
5 mg$128In Stock
10 mg$203In Stock
25 mg$347In Stock
50 mg$491In Stock
100 mg$696In Stock
200 mg$938In Stock
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Purity:98.42%
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Product Introduction

Bioactivity
Description
FLTX1 is a fluorescent derivative of Tamoxifen, designed to efficiently target and label intracellular Tamoxifen-binding sites (estrogen receptors) both under permeabilized and non-permeabilized conditions. Additionally, FLTX1 demonstrates strong antiestrogenic activity in breast cancer cells, resembling the potent antiestrogenic properties of Tamoxifen. Notably, FLTX1 does not exhibit any estrogenic agonistic effect on the uterus.
Targets&IC50
ERα:87.5 nM
In vitro
Competition studies showed that FLTX1 binding was totally displaced by unlabeled tamoxifen and partially by estradiol, indicating the existence of non-ER-related triphenylethylene-binding sites.?Ligand binding assays showed that FLTX1 exhibits similar affinity for ER than tamoxifen.?FLTX1 exhibited antiestrogenic activity comparable to tamoxifen in MCF7 and T47D cells transfected with 3xERE-luciferase reporter.?FLTX1 lacked the strong agonistic effect of tamoxifen on ERα-dependent transcriptional activity[1].
In vivo
In vivo assays in mice revealed that unlike tamoxifen, FLTX1 was devoid of estrogenic uterotrophic effects, lacked of hyperplasic and hypertrophic effects, and failed to alter basal proliferating cell nuclear antigen immunoreactivity.?In the rat uterine model of estrogenicity/antiestrogenicity, FLTX1 displayed antagonistic activity comparable to tamoxifen at lower doses, and only estrogenic uterotrophy at the highest dose[2].
Chemical Properties
Molecular Weight520.58
FormulaC31H28N4O4
Cas No.1481401-71-1
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
DMSO: 5.21 mg/mL (10 mM), Sonication is recommended.
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM1.9209 mL9.6047 mL19.2093 mL96.0467 mL
5 mM0.3842 mL1.9209 mL3.8419 mL19.2093 mL
10 mM0.1921 mL0.9605 mL1.9209 mL9.6047 mL

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