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E8284

Sigma-Aldrich

(E/Z)-Endoxifen Hydrochloride Hydrate

≥98% (HPLC)

Synonym(s):

(E/Z)-Endoxifen hydrochloride hydrate, (E/Z)-4-Hydroxy-N-desmethyltamoxifen hydrochloride hydrate, (E/Z)-4-[1-[4-[2-(Methylamino)ethoxy]phenyl]-2-phenyl-1-buten-1-yl]-phenol hydrochloride hydrate (1:1 E/Z mixture); (E/Z)-4OHNDtam hydrochloride hydrate

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About This Item

Empirical Formula (Hill Notation):
C25H27NO2 · HCl · xH2O
Molecular Weight:
409.95 (anhydrous basis)
MDL number:
UNSPSC Code:
12352203
PubChem Substance ID:
NACRES:
NA.77

Quality Level

Assay

≥98% (HPLC)

form

solid

storage condition

desiccated

color

white to beige

solubility

DMSO: >10 mg/mL

storage temp.

2-8°C

SMILES string

O.Cl.CC\C(c1ccccc1)=C(/c2ccc(O)cc2)c3ccc(OCCNC)cc3

InChI

1S/C25H27NO2.ClH.H2O/c1-3-24(19-7-5-4-6-8-19)25(20-9-13-22(27)14-10-20)21-11-15-23(16-12-21)28-18-17-26-2;;/h4-16,26-27H,3,17-18H2,1-2H3;1H;1H2/b25-24-;;

InChI key

BISAMGUAXFFKDX-NDIQBZANSA-N

Application

(E/Z)-Endoxifen Hydrochloride Hydrate has been used:
as a selective estrogen receptor modulator (SERM) to study the role of miR-27a expression
to impregnate a biocompatible polymer in the subcutaneous space adjacent to the TA muscle of PDGFRαCreER;R26NG mice
to study its in vivo performance and properties for CreERT2 (mutant estrogen receptor) control

Biochem/physiol Actions

(E/Z)-Endoxifen hydrochloride ((E/Z)-4-Hydroxy-N-desmethyltamoxifen hydrochloride) is a tamoxifen metabolite and potent Selective Estrogen Response Modifier (SERM). It is equipotent to 4-hydroxytamoxifen with respect to estrogen receptor binding and inhibition of 17-estradiol (E2)-induced cell proliferation. It is primarily catalyzed by cytochrome P450 2D6 (CYP2D6). Mutations in CYP2D6 may prevent response to tamoxifen by preventing formation of endoxifen. The gene expression patterns of five genes have been validated to be differentially regulated by endoxifen and 4-OH-Tamoxifen. Endoxifen and 4-OH-Tam have similar effects on global gene expression patterns in MCF-7 cells and the majority of the affected genes are estrogen-regulated genes.
(E/Z)-endoxifen hydrochloride may be used in hormone therapy to fight breast cancer. Endoxifen is considered as an active metabolite of tamoxifen. Hence it is responsible for the tamoxifen activity in the human body.

Features and Benefits

This compound is featured on the Nuclear Receptors (Steroids) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The effects of a novel hormonal breast cancer therapy, endoxifen, on the mouse skeleton
Gingery A, et al.
PLoS ONE, 9(5), e98219-e98219 (2014)
Daniel K Lee et al.
Nature neuroscience, 24(9), 1243-1255 (2021-07-14)
Despite a growing understanding of the molecular and developmental basis of autism spectrum disorder (ASD), how the neuronal encoding of social information is disrupted in ASD and whether it contributes to abnormal social behavior remains unclear. Here, we disrupted and
In Vivo Performance and Properties of Tamoxifen Metabolites for CreERT2 Control
Felker A, et al.
PLoS ONE, 11(4), e0152989-e0152989 (2016)
Mesenchymal Stromal Cells Are Required for Regeneration and Homeostatic Maintenance of Skeletal Muscle
Wosczyna MN, et al.
Testing, 27(7), 2029-2035 (2019)
Sol Pose-Méndez et al.
eLife, 12 (2023-04-13)
Zebrafish have an impressive capacity to regenerate neurons in the central nervous system. However, regeneration of the principal neuron of the evolutionary conserved cerebellum, the Purkinje cell (PC), is believed to be limited to developmental stages based on invasive lesions.

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