94873

Supelco

4-Hydroxytamoxifen

(E) and (Z) isomers (50:50), analytical standard

Synonym(s):
4-(1-[4-(Dimethylaminoethoxy)phenyl]-2-phenyl-1-butenyl)phenol, cis/trans-4-Hydroxytamoxifen, 4-OHT
Empirical Formula (Hill Notation):
C26H29NO2
CAS Number:
Molecular Weight:
387.51
NACRES:
NA.24

Quality Level

grade

analytical standard

assay

≥97.5% (HPLC)

form

neat

shelf life

limited shelf life, expiry date on the label

application(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

≤5.0% water

Featured Industry

Forensics and Toxicology
Pharmaceutical (small molecule)

format

neat

SMILES string

CC\C(c1ccccc1)=C(/c2ccc(O)cc2)c3ccc(OCCN(C)C)cc3.CC\C(c4ccccc4)=C(\c5ccc(O)cc5)c6ccc(OCCN(C)C)cc6

InChI

1S/2C26H29NO2/c2*1-4-25(20-8-6-5-7-9-20)26(21-10-14-23(28)15-11-21)22-12-16-24(17-13-22)29-19-18-27(2)3/h2*5-17,28H,4,18-19H2,1-3H3/b26-25+;26-25-

InChI key

ZJLDABGSDWXVGE-BDSXMVAQSA-N

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General description

4-Hydroxytamoxifen is a first generation, selective estrogen receptor modulator (SERM) that functions as an antagonist in breast cancer cells but can display estrogen-like activities in the uterus and bone.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
4-Hydroxytamoxifen may be used as a reference standard in the determination of 4-hydroxythmoxifen in plasma samples using high-performance liquid chromatography with fluorescence detection (HPLC).

Biochem/physiol Actions

Metabolite of the chemotherapeutic drug tamoxifen, exhibiting more potent estrogen agonist/antagonist activity than the parent drug. Also active as intra-membranous inhibitor of lipid peroxidation.

Pictograms

Exclamation markHealth hazard

Signal Word

Warning

Hazard Statements

hazcat

Acute Tox. 4 Oral - Repr. 2

storage_class_code

11 - Combustible Solids

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Quantification of tamoxifen and three metabolites in plasma by high-performance liquid chromatography with fluorescence detection: application to a clinical trial.
Lee H-K, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 791(1-2), 245-253 (2003)
4-Hydroxytamoxifen is an isoform-specific inhibitor of orphan estrogen-receptor-related (ERR) nuclear receptors beta and gamma.
Tremblay BG, et al.
Endocrinology, 142(10), 4572-4575 (2001)
Takashi K Ito et al.
PloS one, 9(7), e102186-e102186 (2014-07-25)
Risk factors for atherosclerosis accelerate the senescence of vascular endothelial cells and promote atherogenesis by inducing vascular inflammation. A hallmark of endothelial senescence is the persistent up-regulation of pro-inflammatory genes. We identified CDC42 signaling as a mediator of chronic inflammation...
Rashmi Kumar et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(5), E450-E457 (2015-01-23)
In mammals, VDJ recombination is responsible for the establishment of a highly diversified preimmune antibody repertoire. Acquisition of a functional Ig heavy (H) chain variable (V) gene rearrangement is thought to prevent further recombination at the IgH locus. Here, we...
Monique F Smeets et al.
The Journal of clinical investigation, 124(8), 3551-3565 (2014-06-25)
Mutations within the gene encoding the DNA helicase RECQL4 underlie the autosomal recessive cancer-predisposition disorder Rothmund-Thomson syndrome, though it is unclear how these mutations lead to disease. Here, we demonstrated that somatic deletion of Recql4 causes a rapid bone marrow...

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