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T7204

Sigma-Aldrich

Toremifene citrate salt

≥98% (HPLC)

Synonym(s):

(Z)-2-(4-(4-Chloro-1,2-diphenyl-1-butenyl)phenoxy)-N,N-dimethylethanamine, Acapodene, Fareston, GTx 006, Z-Toremifene

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About This Item

Empirical Formula (Hill Notation):
C26H28ClNO · C6H8O7
CAS Number:
89778-27-8
Molecular Weight:
598.08
MDL number:
MFCD01729016
UNSPSC Code:
51111800
PubChem Substance ID:
329826860
NACRES:
NA.77

Quality Level

100

assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to off-white

solubility

DMSO: >10 mg/mL

storage temp.

2-8°C

SMILES string

OC(=O)CC(O)(CC(O)=O)C(O)=O.CN(C)CCOc1ccc(cc1)C(=C(\CCCl)c2ccccc2)\c3ccccc3

InChI

1S/C26H28ClNO.C6H8O7/c1-28(2)19-20-29-24-15-13-23(14-16-24)26(22-11-7-4-8-12-22)25(17-18-27)21-9-5-3-6-10-21;7-3(8)1-6(13,5(11)12)2-4(9)10/h3-16H,17-20H2,1-2H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/b26-25-;

InChI key

IWEQQRMGNVVKQW-OQKDUQJOSA-N

General description

Toremifene is a triphenylethylene derivative. It exhibits antitumor and antiestrogen effects. Toremifene has estrogen-agonist effects on blood lipids and endometrium.

Application

Toremifene citrate salt has been used:
  • in cell-based ELISA
  • as a positive control to detect its antiviral activity against Ebola virus (EBOV)
  • to treat MCF7 and T47D breast cancer cell lines

Biochem/physiol Actions

Toremifene citrate is an oral selective estrogen receptor modulator (SERM). It is used in advanced (metastatic) breast cancer and being evaluated for prevention of prostate cancer. Toremifene citrate is known to increase bone mineral density in prostate cancer patients undergoing androgen deprivation therapy†.

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.

Preparation Note

Toremifene citrate salt is soluble in DMSO at a concentration that is greater than 10 mg/ml.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
081M4711V
049K47143
049K47142
040K47142
049K47141

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Regulatory Mechanisms in Breast Cancer: Advances in Cellular and Molecular Biology of Breast Cancer (2012)
Juhyun Kim et al.
International journal of cancer, 132(6), 1475-1485 (2012-08-24)
We investigated the in vitro metabolism and estrogenic and antiestrogenic activity of toremifene (TOR), tamoxifen (TAM) and their metabolites to better understand the potential effects of cytochrome P-450 2D6 (CYP2D6) status on the activity of these drugs in women with
Matthew R Smith et al.
The Journal of urology, 189(1 Suppl), S45-S50 (2012-12-19)
Androgen deprivation therapy is associated with fracture risk in men with prostate cancer. We assessed the effects of toremifene, a selective estrogen receptor modulator, on fracture incidence in men receiving androgen deprivation therapy during a 2-year period. In this double-blind
Stefan Kudlacek et al.
Wiener medizinische Wochenschrift (1946), 162(17-18), 380-385 (2012-08-10)
Osteoporosis is defined as a continuous loss of bone mineral density accompanied by an increased fracture risk in females and males. A fall of estrogen concentrations at the menopause and the consecutive rapid bone loss are an established pathogenic mechanism
S Kallio et al.
Cancer chemotherapy and pharmacology, 17(2), 103-108 (1986-01-01)
The basic pharmacological and biochemical properties of a new antiestrogen, Fc-1157a, are described. Fc-1157a is bound specifically and with high affinity to estrogen receptors. The binding is competitive with estradiol. Fc-1157a treatment induces translocation of estrogen receptors from cytoplasm to
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