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Details

Stereochemistry ABSOLUTE
Molecular Formula C18H24O3
Molecular Weight 288.3814
Optical Activity UNSPECIFIED
Defined Stereocenters 5 / 5
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of 4-HYDROXYESTRADIOL

SMILES

C[C@]12CC[C@H]3[C@@H](CCC4=C(O)C(O)=CC=C34)[C@@H]1CC[C@@H]2O

InChI

InChIKey=QOZFCKXEVSGWGS-ZHIYBZGJSA-N
InChI=1S/C18H24O3/c1-18-9-8-11-10-4-6-15(19)17(21)13(10)3-2-12(11)14(18)5-7-16(18)20/h4,6,11-12,14,16,19-21H,2-3,5,7-9H2,1H3/t11-,12-,14+,16+,18+/m1/s1

HIDE SMILES / InChI

Molecular Formula C18H24O3
Molecular Weight 288.3814
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 5 / 5
E/Z Centers 0
Optical Activity UNSPECIFIED

Approval Year

PubMed

PubMed

TitleDatePubMed
Preferential growth stimulation of mammary glands over uterine endometrium in female rats by a naturally occurring estradiol-17beta-fatty acid ester.
2001 Aug 1
In situ hybridization and immunohistochemical analysis of cytochrome P450 1B1 expression in human normal tissues.
2001 Feb
Gas chromatographic determination of catecholestrogens following isolation by solid-phase extraction.
2001 Jul 15
Analysis of potential biomarkers of estrogen-initiated cancer in the urine of Syrian golden hamsters treated with 4-hydroxyestradiol.
2001 Jun
In vitro generation of peroxynitrite by 2- and 4-hydroxyestrogens in the presence of nitric oxide.
2001 May
Catecholestrogen sulfation: possible role in carcinogenesis.
2002 Mar 29
The cancer preventative agent resveratrol is converted to the anticancer agent piceatannol by the cytochrome P450 enzyme CYP1B1.
2002 Mar 4
Characterization of human soluble high and low activity catechol-O-methyltransferase catalyzed catechol estrogen methylation.
2002 Oct
Endogenous estradiol metabolites stimulate the in vitro proliferation of human osteoblastic cells.
2003 Apr
Increased estrogen formation and estrogen to androgen ratio in the synovial fluid of patients with rheumatoid arthritis.
2003 Dec
Sequential action of phase I and II enzymes cytochrome p450 1B1 and glutathione S-transferase P1 in mammary estrogen metabolism.
2003 Dec 1
2-Methoxyestradiol, a promising anticancer agent.
2003 Feb
Medical hypothesis: hyperhomocysteinemia is a risk factor for estrogen-induced hormonal cancer.
2003 Mar
A gas chromatography/mass spectrometry assay to measure estradiol, catecholestradiols, and methoxyestradiols in plasma.
2004 Apr
Lack of association of CYP1 B1*3 polymorphism and ovarian cancer in a Caucasian population.
2004 Apr-Jun
Microsomal estrogen metabolism in channel catfish.
2004 Aug-Dec
Metabolism and DNA binding studies of 4-hydroxyestradiol and estradiol-3,4-quinone in vitro and in female ACI rat mammary gland in vivo.
2004 Feb
Dietary indole-3-carbinol promotes endometrial adenocarcinoma development in rats initiated with N-ethyl-N'-nitro-N-nitrosoguanidine, with induction of cytochrome P450s in the liver and consequent modulation of estrogen metabolism.
2004 Nov
In vitro model of mammary estrogen metabolism: structural and kinetic differences between catechol estrogens 2- and 4-hydroxyestradiol.
2004 Sep
Mitogenic estrogen metabolites alter the expression of 17beta-estradiol-regulated proteins including heat shock proteins in human MCF-7 breast cancer cells.
2005 Dec 31
Invasiveness of breast cancer cells MDA-MB-231 through extracellular matrix is increased by the estradiol metabolite 4-hydroxyestradiol.
2005 Feb 20
Effect of catecholestrogen administration during adriamycin-induced cardiomyopathy in ovariectomized rat.
2005 Sep
Estradiol and its metabolites 4-hydroxyestradiol and 2-hydroxyestradiol induce mutations in human breast epithelial cells.
2006 Apr 15
Comparison of possible carcinogenic estradiol metabolites: effects on proliferation, apoptosis and metastasis of human breast cancer cells.
2006 Apr 20
Catechol estrogen quinones as initiators of breast and other human cancers: implications for biomarkers of susceptibility and cancer prevention.
2006 Aug
Regioselective 2-hydroxylation of 17beta-estradiol by rat cytochrome P4501B1.
2006 Nov 1
Potential biomarker for early risk assessment of prostate cancer.
2006 Oct 1
Etheno-DNA adduct formation in rats gavaged with linoleic acid, oleic acid and coconut oil is organ- and gender specific.
2007 Nov 1
HPLC for stress-free screening of potential prostate cancer marker catechol estrogens in urine using a diamond-electrode electrochemical and a fluorescence detector.
2007 Sep
Soy isoflavones decrease the catechol-O-methyltransferase-mediated inactivation of 4-hydroxyestradiol in cultured MCF-7 cells.
2008 Feb
Reduction of estrogen-induced transformation of mouse mammary epithelial cells by N-acetylcysteine.
2008 Mar
Leu432Val polymorphism in CYP1B1 as a susceptible factor towards predisposition to primary open-angle glaucoma.
2008 May 8
Hydroxyestrogens inhibit angiogenesis in swine ovarian follicles.
2008 Oct
CYP1B1 variants are associated with prostate cancer in non-Hispanic and Hispanic Caucasians.
2008 Sep
Patents

Patents

Substance Class Chemical
Created
by admin
on Mon Mar 31 17:53:51 GMT 2025
Edited
by admin
on Mon Mar 31 17:53:51 GMT 2025
Record UNII
C3ZO03450E
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
1,3,5(10)-ESTRATRIENE-3,4,17.BETA.-TRIOL
Preferred Name English
4-HYDROXYESTRADIOL
Common Name English
ESTRADIOL METABOLITE (4-HYDROXYESTRADIOL)
Common Name English
Classification Tree Code System Code
NCI_THESAURUS C347
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
Code System Code Type Description
FDA UNII
C3ZO03450E
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
CHEBI
62845
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
PUBCHEM
5282360
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
WIKIPEDIA
4-Hydroxyestradiol
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
CAS
5976-61-4
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
EPA CompTox
DTXSID3022374
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
NCI_THESAURUS
C120473
Created by admin on Mon Mar 31 17:53:51 GMT 2025 , Edited by admin on Mon Mar 31 17:53:51 GMT 2025
PRIMARY
Related Record Type Details
PARENT -> METABOLITE