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[CAS NO. 57-91-0] Alpha-Estradiol
| Ships within | Stock | Price | Qty | Total |
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| Catalog: | HY-B0141A |
| Brand: | MCE |
| CAS: | 57-91-0 |
Overview
| MDL | MFCD00064144 |
|---|---|
| Molecular Weight | 272.38 |
| Molecular Formula | C18H24O2 |
| SMILES | C[C@@]12[C@H](O)CC[C@@]1([H])[C@]3([H])CCC4=C(C=CC(O)=C4)[C@@]3([H])CC2 |
Summary
Alpha-Estradiol is a weak estrogen and a 5α-reductase inhibitor which is used as a topical medication in the treatment of androgenic alopecia.
IC50 & Target
|
Human Endogenous Metabolite
|
In Vitro
Alpha-Estradiol (17 alpha-Estradiol) is a 5α-reductase inhibitor, and inhibits testosterone metabolism catalyzed by 5 alpha-reductase [1] . Alpha-Estradiol (17 Alpha-estradiol, 10 μM) attenuates LPS-induced inflammatory markers in both C57BL/6J male and female mouse embryonic fibroblast (MEF) cells, primary pre-adipocytes and differentiated 3T3-L1 adipocytes in an ERα-dependent manner, and such effects are through decreased NFκB-p65 and increased ERα protein expression [2] .
MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
Alpha-Estradiol (17-alpha-estradiol, 0.01, 0.1, 1 μg) significantly reduces the percentage of central avascular/total retina area of the mouse pups. Alpha-Estradiol (1 μg) markedly decreasesmalondialdehyde (MDA) levels on postnatal days (PND) 9, 13, and 17 in retinas of hyperoxia-exposed pups. Alpha-Estradiol (1 μg) also decreases the number of NADPH-oxidase-positive cells, NADPH oxidase concentration and activity in retinas of the pups. In the 1.0-μg Alpha-Estradiol-treated pups, VEGF retinal concentrations are high on PND 9 but lower on PND 14 and 17. The best effect in retinas of 1.0-μg Alpha-Estradiol-treated pups is partly reversed by ICI182780 on PND 14 and 17 [3] .
MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Appearance
Solid
Shipping
Room temperature in continental US; may vary elsewhere.
Storage
| Powder | -20°C | 3 years |
|---|---|---|
| 4°C | 2 years | |
| In solvent | -80°C | 6 months |
| -20°C | 1 month |
Solvent & Solubility
DMSO : 62.5 mg/mL ( 229.46 mM ; ultrasonic and warming and heat to 60°C)
Stock Solutions
| Concentration Solvent Mass | 1 mg | 5 mg | 10 mg |
|---|
| 1 mM | 3.6713 mL | 18.3567 mL | 36.7134 mL |
| 5 mM | 0.7343 mL | 3.6713 mL | 7.3427 mL |
| 10 mM | 0.3671 mL | 1.8357 mL | 3.6713 mL |
References
- [1] Schriefers H, et al. Inhibition of testosterone metabolism by 17-alpha-estradiol in rat liver slices. Arzneimittelforschung. 1991 Nov;41(11):1186-9.
- [2] Santos RS, et al. The effects of 17 alpha-estradiol to inhibit inflammation in vitro. Biol Sex Differ. 2017 Sep 6;8:30.
- [3] Zhang HB, et al. 17-Alpha-estradiol ameliorating oxygen-induced retinopathy in a murine model. Jpn J Ophthalmol. 2012 Jul;56(4):407-15.
Synonyms
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