FERb 033 is a selective and potent ERβ agonist (Ki=7.1 nM, EC50=4.8 nM). FERb 033 shows 62-fold selectivity over ERα.

Enclomiphene ((E)-Clomiphene) is a potent and orally active non-steroidal estrogen receptor antagonist, with antioestrogenic property. Enclomiphene can be used for the research of ovarian dysfunction, testosterone deficiency, male hypogonadism and type 2 diabetes.

OBHS is an estrogen receptor α (ERα) inhibitor. OBHS can also be used as a blowing agent.

Ferutinin, a natural terpenoid compound, is an estrogen receptor ERα agonist and estrogen ERβ-receptor agonist/antagonist with IC50s of 33.1 nM and 180.5 nM, respectively. Ferutinin acts as an electrogenic Ca2+-ionophore that increases calcium permeability of lipid bilayer membranes, mitochondria. Ferutinin possesses estrogenic, antitumor, antibacterial and antiinflammatory activities.

SR19881 is a potent dual agonist of ERRγ and ERRβ, with EC50 values of 0.39 and 0.63 μM, respectively.

MPP hydrochloride is a potent and selective ER (estrogen receptor) modulator. MPP hydrochloride induces significant apoptosis in the endometrial cancer and oLE cell lines. MPP hydrochloride reverses the positive effects of beta-estradiol. MPP hydrochloride has mixed agonist/antagonist action on murine uterine ERalpha in vivo.

PSDalpha is an ERα degrader conjugating photosensitizer (PS), triphenylamine benzothiadiazole (TB) and 17β-estradiol via an acetylene bond. PSDalpha shows excellent anti-proliferation performance on MCF-7 cells. The maximum absorption wavelength of PSDalpha in the visible region is located at 465 nm.

LX-039 is a highly potent, selective and orally active estrogen receptor degrader with EC50 value of 2.29 nM. LX-039 has indole C-3 chlorine atom. LX-039 exhibits excellent mouse pharmacokinetics, low clearance, high Cmax and oral exposure. LX-039 has anti-tumor activity.

BC-N102 is a first-in-class novel small molecule inhibitor for targeting oncogenic and hormonal signaling in ER-positive breast cancer.BC-N102 exhibits anticancer activity against breast cancer cell lines via interfering with cell cycle regulatory proteins and hormonal receptors signaling in vitro (IC50=0.04-10 uM), no significant activities against a normal breast cell line.BC-N102 exhibits potent antitumor activity at tolerated doses in an ER+ human xenograft breast cancer model.BC-N102 induces arrest of the cell cycle at G0/G1 phase, downregulates the expression of CDK2 and CDK4 independent of the ER in breast cancer cell lines.

ERRγ agonist-1 is a potent ERRγ agonist. ERRγ agonist-1 increases transcriptional activities of ERRγ. ERRγ agonist-1 has the potential for the research of neuropsychological disorders.

ERα degrader 4 is an excellent and selective estrogen receptor α (ERα) degrader (IC50 of 0.31, 0.41 and 0.48 μM in MDA-MB-231, MCF-7 and MCF-7/ADR cells, respectively). ERα degrader 4 has potent inhibitory activity against MCF-7 cell lines. ERα degrader 4 is a potential SERDs candidate for the treatment of breast cancer.

2-Hydroxyestrone 3-methyl ether-13C is the 13C-labeled 2-Hydroxyestrone 3-methyl ether. 2-Hydroxyestrone 3-methyl is an estrogen metabolite.

Estradiol-13C6 (β-Estradiol-13C6) is the 13C-labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway.

Estrone-13C2 (E1-13C2) is the 13C-labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells.

Estradiol-13C2 (β-Estradiol-13C2) is the 13C-labeled Estradiol. Estradiol is a steroid sex hormone vital to the maintenance of fertility and secondary sexual characteristics in females. Estradiol upregulates IL-6 expression through the estrogen receptor β (ERβ) pathway.

Estrone-d4 (E1-d4) is the deuterium labeled Estrone. Estrone (E1) is a natural estrogenic hormone. Estrone is the main representative of the endogenous estrogens and is produced by several tissues, especially adipose tissue. Estrone is the result of the process of aromatization of androstenedione that occurs in fat cells.

Estriol-d3-1 (Oestriol-d3-1) is the deuterium labeled Estriol.

Ethynyl Estradiol-13C2 (17α-Ethynylestradiol-13C2) is the 13C-labeled Ethynyl Estradiol.

Estrogen receptor antagonist 6 is a potent antagonist of Estrogen receptor. The estrogen receptor is a ligand-activated transcriptional regulatory protein that mediates induction of a variety of biological effects through its interaction with endogenous estrogens. Estrogen receptor antagonist 6 has the potential for the research of metastatic disease (extracted from patent WO2017174757A1, compound 166).

Estrogen receptor antagonist 5 is a potent antagonist of Estrogen receptor. The estrogen receptor is a ligand-activated transcriptional regulatory protein that mediates induction of a variety of biological effects through its interaction with endogenous estrogens. Estrogen receptor antagonist 5 has the potential for the research of metastatic disease (extracted from patent WO2017174757A1, compound 165).

DK1 is a potent modulator of estrogen related receptor. DK1 has an ability in reducing blood glucose, and impacts the activity of ERRα receptor. DK1 has the potential for the research of diabetes.

DK3 is a potent and selective estrogen-related receptor alpha (ERRα) agonist.

Estrogen receptor modulator 1 (compound 18) is an orally active and selective estrogen receptor modulator (SERM), with a pIC50 of 0.46. Estrogen receptor modulator 1 induces regression of Tamoxifen-resistant, hormone independent xenograft tumors.

Dip G is a natural compound, novel chemical probe reciprocally stabilizes ERβ and destabilizes ERα in breast cancer cells; targets CHIP ubiquitin E3 ligase to modulate ER protein stability, enhances the transcription and anti-proliferative activities of ERβ, while attenuating the transcription and proliferative effects of ERα; the first small molecule that can restore the balance of ERα and ERβ.

Estradiol enanthate is a shorter-acting estrogen. The combination of Estradiol enanthate and dihydroxyprogesterone acetophenide can be used as a monthly injectable contraceptive.

Cholesterol-13C2 is the 13C labeled Cholesterol. Cholesterol is the major sterol in mammals and is makes up 20-25% of structural component of the plasma membrane. Plasma membranes are highly permeable to water but relatively impermeable to ions and protons. Cholesterol plays an important role in determining the fluidity and permeability characteristics of the membrane as well as the function of both the transporters and signaling proteins. Cholesterol is also an endogenous estrogen-related receptor α (ERRα) agonist.

Bazedoxifene acetate (TSE 424; WAY-TES 424), a novel selective estrogen receptor modulator (SERM), has been developed to have favorable effects on bone and the lipid profile while minimizing stimulation of uterine or breast tissues.

GNE-149 is an orally bioavailable full antagonist of estrogen receptor α (ERα; IC50=0.053 nM). GNE-149 is a selective estrogen receptor degrader (SERD). GNE-149 can be used for the research of breast cancer.

Bexirestrant is an orally active ER-α degrader. Bexirestrant can be used for the research of antiestrogen, antineoplastic.

Imlunestrant (LY3484356) is an orally active selective estrogen receptor (ER) degrader (SERD). Imlunestrant (LY3484356) could be used in the study for ER+, HER2-advanced breast cancer.