2-Hydroxyestrone
Based on 1 publication(s) in Google Scholar
2-Hydroxyestrone (Catecholestrone) is a specific receptor-mediated antiestrogenic agent. 2-Hydroxyestrone is anticarcinogenic.
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- Pureté: 98.15%
- CAS No.: 362-06-1
- Formule: C18H22O3
- Masse moléculaire:286.37
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Stockage:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Publications Citing Use of MedChemExpress (MCE) 2-Hydroxyestrone
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Activité biologique
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Human Endogenous Metabolite |
Estrogen receptor |
2-Hydroxyestrone exhibits antiestrogen action on MCF-7 human breast cancer cells. Addition of 2-Hydroxyestrone to the cell cultures in concentration of 1-1000 nM has no effect on cell growth and proliferation because of rapid O-methylation of the catechol estrogen by catechol O-methyltransferase which is highly active in these cells. In the presence of quinalizarin, a potent catechol O-methyltransferase inhibitor which reduces the O-methylation of the steroid, 10 and 100 nM 2-Hydroxyestrone markedly suppresses the growth and proliferation of the cells[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:Human breast cancer cell lines MCF-7, MDA-MB-231, and MDA-MB-330
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Concentration:1-1000 nM
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Incubation Time:6 days
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Result:10 and 100 nM markedly suppressed the growth and proliferation of the cells in the presence of quinalizarin. The tumor cell growth-inhibitory action of the catechol estrogen was neutralized by the presence of 1 nM estradiol.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Female and male Sprague-Dawley rats (6 weeks old)[3]
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Dosage:2 mg/kg
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Administration:Administered i.p.
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Result:Levels of both 2-OHE1 and 2-OHE1 4SR in rats treated with 2-OHE1 were significantly different between the induced and noninduced groups.
Chemical Information
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CAS No. 362-06-1
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Appearance Solid
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Masse moléculaire 286.37
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Formule C18H22O3
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Color White to light yellow
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SMILES
C[C@]1([C@](CC2)([H])[C@]3([H])CCC4=C(C=C(O)C(O)=C4)[C@@]3([H])CC1)C2=O
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Synonyms
Catecholestrone
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Structure Classification
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Initial Source
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Publications (1)
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Journal Impact Factor
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Most Recent
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Sci Rep
2025 Mar 11;15(1):8409. PMID: 40069295
Solvant et solubilité
DMSO : 100 mg/mL (349.20 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (8.73 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (8.73 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Pureté et documentation
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Fiche technique (279 KB)
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SDS (419 KB)
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- Deutsch - DE (419 KB)
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- Italian - IT (419 KB)
- Korean - KR (419 KB)
- Portuguese - PT (419 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. H L Bradlow, et al. 2-Hydroxyestrone: the 'good' estrogen. J Endocrinol. 1996 Sep;150 Suppl:S259-65. [Content Brief]
[2]. J Schneider, et al. Antiestrogen action of 2-Hydroxyestrone on MCF-7 human breast cancer cells. J Biol Chem. 1984 Apr 25;259(8):4840-5. [Content Brief]
[3]. M Nakagomi, et al. Quantitation of catechol estrogens and their N-acetylcysteine conjugates in urine of rats and hamsters. Chem Res Toxicol. 2000 Dec;13(12):1208-13. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 3.4920 mL | 17.4599 mL | 34.9199 mL | 87.2996 mL |
| 5 mM | 0.6984 mL | 3.4920 mL | 6.9840 mL | 17.4599 mL | |
| 10 mM | 0.3492 mL | 1.7460 mL | 3.4920 mL | 8.7300 mL | |
| 15 mM | 0.2328 mL | 1.1640 mL | 2.3280 mL | 5.8200 mL | |
| 20 mM | 0.1746 mL | 0.8730 mL | 1.7460 mL | 4.3650 mL | |
| 25 mM | 0.1397 mL | 0.6984 mL | 1.3968 mL | 3.4920 mL | |
| 30 mM | 0.1164 mL | 0.5820 mL | 1.1640 mL | 2.9100 mL | |
| 40 mM | 0.0873 mL | 0.4365 mL | 0.8730 mL | 2.1825 mL | |
| 50 mM | 0.0698 mL | 0.3492 mL | 0.6984 mL | 1.7460 mL | |
| 60 mM | 0.0582 mL | 0.2910 mL | 0.5820 mL | 1.4550 mL | |
| 80 mM | 0.0436 mL | 0.2182 mL | 0.4365 mL | 1.0912 mL | |
| 100 mM | 0.0349 mL | 0.1746 mL | 0.3492 mL | 0.8730 mL |
2-Hydroxyestrone Related Classifications
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