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Cat. No.: HY-112746

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Etacstil

(Synonyms: DPC974; GW5638)

Etacstil (GW5638) is a estrogen receptor antagonist that displays minimal uterotropic activity in ovariectomized rats and inhibits the agonist activity of Estradiol (HY-B0141), Tamoxifen (HY-13757A) and Raloxifene (HY-13738) in the environment. Etacstil is promising for research of breast cancer and bone protection.

For research use only. We do not sell to patients.

CAS No.: 155701-61-4
Formula: C₂₅H₂₂O₂
Molecular Weight:354.44

Storage:

Please store the product under the recommended conditions in the Certificate of Analysis.

Data Sheet (269 KB)

Etacstil Chemical Structure

CAS No.: 155701-61-4

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- Cellular Effect
Chemical Information
Purity & Documentation
References
Calculators
Help & FAQs
Classifications
Bioz

Biological Activity

Description

All Estrogen Receptor/ERR Isoforms :

Cellular Effect

Cell Line	Type	Value	Description	References
Ishikawa	EC₅₀	58 nM Compound: 6	Concentration of compound required to induce 50 % of the maximum stimulation of alkaline phosphatase activity in Ishikawa cells Concentration of compound required to induce 50 % of the maximum stimulation of alkaline phosphatase activity in Ishikawa cells	[PMID: 8201587]
MCF7	EC₅₀	0.3 μM Compound: 3a, GW5638	Inhibition of cell proliferation in human MCF7 cells after 7 days by laser scanning imaging cytometer analysis Inhibition of cell proliferation in human MCF7 cells after 7 days by laser scanning imaging cytometer analysis	[PMID: 25790336]
MCF7	EC₅₀	0.39 μM Compound: 4, GW-5638	Induction of estrogen receptor-alpha degradation in human MCF7 cells after 4 hrs by in-cell western assay Induction of estrogen receptor-alpha degradation in human MCF7 cells after 4 hrs by in-cell western assay	[PMID: 25879485]
MCF7	EC₅₀	390 nM Compound: GW-5638; 2	Induction of ERalpha degradation in human MCF7 cells in phenol red free RPMI medium containing 5% charcoal-stripped FBS incubated for 4 hrs by IRDye 800CW/DRAQ5 dye based in-cell Western assay Induction of ERalpha degradation in human MCF7 cells in phenol red free RPMI medium containing 5% charcoal-stripped FBS incubated for 4 hrs by IRDye 800CW/DRAQ5 dye based in-cell Western assay	[PMID: 30587451]
MCF7	IC₅₀	>1.27 μM Compound: 3a, GW5638	Suppression of ER alpha in human MCF7 cells after 24 hrs by immunostaining analysis Suppression of ER alpha in human MCF7 cells after 24 hrs by immunostaining analysis	[PMID: 25790336]
MCF7	IC₅₀	>100 μM Compound: 3a, GW5638	Agonist activity at ER alpha in human MCF7 cells assessed as PR gene expression after 24 hrs by laser scanning imaging cytometer analysis Agonist activity at ER alpha in human MCF7 cells assessed as PR gene expression after 24 hrs by laser scanning imaging cytometer analysis	[PMID: 25790336]
MCF7	IC₅₀	0.985 μM Compound: 4, GW-5638	Cytotoxicity against human MCF7 cells assessed as cell viability after 5 days by CellTiter-Glo assay Cytotoxicity against human MCF7 cells assessed as cell viability after 5 days by CellTiter-Glo assay	[PMID: 25879485]
MCF7	IC₅₀	4 μM Compound: 3a, GW5638	Antagonist activity at ER alpha in human MCF7 cells assessed as inhibition of estradiol-induced PR expression treated for 24 hrs after incubation with estradiol for 30 mins by laser scanning imaging cytometer analysis Antagonist activity at ER alpha in human MCF7 cells assessed as inhibition of estradiol-induced PR expression treated for 24 hrs after incubation with estradiol for 30 mins by laser scanning imaging cytometer analysis	[PMID: 25790336]
MCF7	IC₅₀	654 nM Compound: 7a	Antagonist effect on transcriptional activation in MCF-7 cells expressing estrogen receptor alpha Antagonist effect on transcriptional activation in MCF-7 cells expressing estrogen receptor alpha	[PMID: 10673099]

Chemical Information

CAS No. 155701-61-4
Molecular Weight 354.44
Formula C₂₅H₂₂O₂
SMILES

CC/C(C1=CC=CC=C1)=C(C2=CC=CC=C2)/C3=CC=C(C=C3)/C=C/C(O)=O
Synonyms

DPC974; GW5638
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (269 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Willson TM, et al. Dissection of the molecular mechanism of action of GW5638, a novel estrogen receptor ligand, provides insights into the role of estrogen receptor in bone. Endocrinology. 1997 Sep;138(9):3901-11. [Content Brief]

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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100 mg

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Biological Activity
- Description
Chemical Information
Purity & Documentation
References

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Etacstil

All Estrogen Receptor/ERR Isoforms

Biological Activity

Chemical Information

Purity & Documentation

References

Calculators

Help & FAQs

Etacstil Related Classifications

HY-112746 Related Classifications