Date published: 2025-12-18

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17-β Estradiol Inhibitors

17-β Estradiol Inhibitors, also known simply as estradiol inhibitors, belong to a class of chemical compounds designed to modulate the activity of 17-β estradiol, a naturally occurring estrogen hormone in humans. These inhibitors are primarily developed for their ability to interact with the estrogen receptor, a protein found on the surface of certain cells, and influence its activation. The 17-β estradiol hormone plays a pivotal role in various physiological processes, particularly in the female reproductive system, where it regulates the menstrual cycle, supports pregnancy, and maintains secondary sexual characteristics. However, excessive estrogen signaling has been associated with various health issues, including hormone-sensitive cancers like breast and ovarian cancer. As a result, the development of 17-β estradiol inhibitors aims to provide a means of modulating estrogen activity, either by blocking or altering the signaling pathways associated with this hormone.

The chemical structures of 17-β Estradiol Inhibitors can vary significantly, encompassing a diverse range of compounds with distinct mechanisms of action. Some inhibitors act as competitive antagonists, binding to the estrogen receptor and stopping estradiol from attaching, thereby reducing its influence on target cells. Others may indirectly inhibit estradiol activity by interfering with the production or metabolism of estradiol, reducing its overall availability. These inhibitors are of particular interest in the field of research and drug development due to their potential to offer insights into hormone-related disorders and provide a basis for developing targeted interventions.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Tamoxifen

10540-29-1sc-208414
2.5 g
$256.00
18
(2)

Competitive antagonist of estrogen receptors (ERs), blocking estradiol binding and inhibiting estrogen signaling.

Anastrozole

120511-73-1sc-217647
10 mg
$90.00
1
(1)

Aromatase inhibitor, suppressing the conversion of androgens to estradiol, reducing estradiol levels.

Raloxifene

84449-90-1sc-476458
1 g
$802.00
3
(0)

Selective estrogen receptor modulator (SERM), acts as an antagonist in some tissues while agonist in others.

Exemestane

107868-30-4sc-203045
sc-203045A
25 mg
100 mg
$131.00
$403.00
(0)

Irreversible aromatase inhibitor, preventing the conversion of androgens into estrogens.

ICI 182,780

129453-61-8sc-203435
sc-203435A
1 mg
10 mg
$81.00
$183.00
34
(1)

High-affinity antagonist of estrogen receptors, causing receptor downregulation and inhibition of estrogen effects.

(Z)-4-Hydroxytamoxifen

68047-06-3sc-3542C
sc-3542
sc-3542B
sc-3542A
sc-3542D
sc-3542E
1 mg
5 mg
10 mg
25 mg
50 mg
100 mg
$216.00
$275.00
$400.00
$704.00
$1350.00
$2350.00
20
(2)

Active metabolite of tamoxifen, competitively inhibits estrogen receptors, blocking estradiol binding.

Letrozole

112809-51-5sc-204791
sc-204791A
25 mg
50 mg
$85.00
$144.00
5
(1)

Aromatase inhibitor, specifically targeting the aromatase enzyme to reduce estradiol synthesis.