This chemical is soluble in ethanol at 50 mg/mL with heating, and in DMSO at 27 mg/mL. Use of freshly prepared solutions is recommended.
E8750
α-Estradiol
synthetic (organic), ≥98% (TLC), Endogenous estrogen receptor agonist, powder
Sinónimos:
1,3,5(10)-Estratriene-3,17α-diol, 3,17α-Dihydroxy-1,3,5(10)-estratriene, Epiestradiol
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Fórmula empírica (notación de Hill):
C18H24O2
Número CAS:
Peso molecular:
272.38
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352200
EC Number:
200-354-8
MDL number:
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Permítanos ayudarleNombre del producto
α-Estradiol, powder, ≥98% (TLC)
biological source
synthetic (organic)
Quality Level
assay
≥98% (TLC)
form
powder
color
white to slight yellow
solubility
ethanol: 50 mg/mL, clear, colorless
shipped in
ambient
storage temp.
room temp
SMILES string
[H][C@]12CC[C@]3(C)[C@H](O)CC[C@@]3([H])[C@]1([H])CCc4cc(O)ccc24
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Este artículo | |||
|---|---|---|---|
| form powder | form powder | form powder | form powder |
| assay ≥98% (TLC) | assay ≥98.00% (TLC) | assay ≥97% | assay ≥99% |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| storage temp. room temp | storage temp. room temp | storage temp. room temp | storage temp. room temp |
| solubility ethanol: 50 mg/mL, clear, colorless | solubility chloroform: methanol (1:1): 19.60-20.40 mg/mL, clear, colorless to faintly yellow | solubility pyridine: 50 mg/mL, clear, colorless to faintly brownish-yellow | solubility chloroform: 50 mg/mL, clear, colorless to faintly brownish-yellow |
| shipped in ambient | shipped in ambient | shipped in ambient | shipped in ambient |
Biochem/physiol Actions
Estradiol (known as alpha Estradiol or 17 alpha Estradiol) is a biologically active estrogen in human breast cancer cells in tissue culture.17-estradiol and its selective receptor, ER-X, are not part of a classical hormone/receptor endocrine system but of a system with important autocrine/paracrine functions in the developing and adult brain. 17-Estradiol may have enormous implications for hormone replacement strategies at the menopause and in the treatment of such neurodegenerative disorders as Alzheimer′s disease and ischemic stroke.
signalword
Danger
Hazard Classifications
Aquatic Chronic 1 - Carc. 2 - Lact. - Muta. 2 - Repr. 1A
Clase de almacenamiento
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Raphaël Bonnet et al.
Frontiers in oncology, 10, 557643-557643 (2020-11-27)
T-cell Acute Lymphoblastic Leukemia (T-ALL) is an aggressive subtype of leukemia for which important progress in treatment efficiency have been made in the past decades to reach a cure rate of 75%-80% nowadays. It is nevertheless mandatory to find new
Wolf Dietrich et al.
Fertility and sterility, 95(4), 1247-1255 (2010-12-07)
To clarify, whether uterine endothelial proliferation could be regulated via an autocrine estrogen producing mechanism or direct actions of testosterone. In vitro study. Tertiary care facility. Human myometrial tissue obtained from 40 women undergoing hysterectomy without further intrauterine pathology. Cell
C Y Cheng et al.
Fertility and sterility, 32(5), 566-570 (1979-11-01)
In modified Tyrode's solution, 17 beta-estradiol at concentrations between 0.1 microgram/ml and 320 nmoles/ml was effective in increasing human spermatozoal forward migration. 17 alpha-Estradiol, although structurally similar to 17 beta-estradiol, had no effect on human spermatozoal motility. DL-Norgestrel at concentrations
Jennifer R Wardell et al.
Biology of reproduction, 89(5), 116-116 (2013-09-27)
Estrogen signaling in the ovary is a fundamental component of normal ovarian function, and evidence also indicates that excessive estrogen is a risk factor for ovarian cancer. We have previously demonstrated that the gonadally enriched TFIID subunit TAF4B, a paralog
J Pitt et al.
Journal of inherited metabolic disease, 25(2), 83-88 (2002-07-18)
Three patients with ketosis had increased excretion of 3-hydroxyglutarate (21.8-37.9 micromol/mmol creatinine; controls 2.3 +/- 1.6), an indicator of glutaryl-CoA dehydrogenase deficiency (GDHD), which normalized when the patients were nonketotic. Clinical assessment of all three patients and enzyme studies in
Número de artículo de comercio global
| SKU | GTIN |
|---|---|
| E8750-1G | 04061833608845 |
| E8750-100MG | 04061833608838 |
| E8750-500MG | 04061832850078 |
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How can I dissolve α-Estradiol, Product No. E8750?
1 respuesta-
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Is Product E8750, α-Estradiol, tested in cell culture?
1 respuesta-
No specific suitability tests for cell culture applications have been performed by Sigma. The product is not sterile and has not been tested for endotoxins.
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What is the difference between α-Estradiol (Product No. E8750) and β-Estradiol?
1 respuesta-
α-Estradiol has been reported as being less feminizing than β-Estradiol while still having significant biological properties. See Moos, W.H., et al, "17α-Estradiol:a less-feminizing estrogen", Drug Development Research, 69(4), 177-184 (2008).
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How does the storage temperature relate to shipping conditions?
1 respuesta-
The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment.
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What is the Department of Transportation shipping information for this product?
1 respuesta-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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