| Size | Price | |
|---|---|---|
| 500mg | ||
| 1g | ||
| Other Sizes |
| ln Vitro |
2-Hydroxyestradiol causes phenotypic modifications that point to neoplastic transformation[1]. Estrogen receptor-a (ERα) negative and ERβ positive HBEC, MCF-10F cell line, can be transformed in vitro by 2-hydroxyestradiol (2-OHE2) [1]. 2- In human mammary epithelial cells, hydroxyestradiol causes oxidative DNA damage and apoptosis[3].
|
|---|---|
| ln Vivo |
2-Hydroxyestradiol decreased nephropathy, lessened the severity of diabetes, decreased arterial blood pressure, and decreased plasma cholesterol. It also slowed the development of obesity and improved endothelial function[2].
|
| ADME/Pharmacokinetics |
Metabolism / Metabolites
2-hydroxyestradiol has known human metabolites that include 3-O-methoxyestradiol, 2-O-methoxyestradiol, and Estradiol 2-O-glucuronide. 2-hydroxyestradiol is a known human metabolite of estradiol isomer and 17-beta-estradiol. |
| References |
|
| Additional Infomation |
2-hydroxy-17beta-estradiol is a 2-hydroxy steroid that consists of 17beta-estradiol having an additional hydroxy group at position 2. It has a role as a prodrug, a metabolite, a carcinogenic agent, a human metabolite and a mouse metabolite. It is a 2-hydroxy steroid and a 17beta-hydroxy steroid. It is functionally related to a 17beta-estradiol.
2-Hydroxyestradiol is classified as an endogenous steroid, catechol estrogen, and metabolite of estradiol. It is also a positional isomer of estriol. 2-Hydroxyestradiol has been reported in Homo sapiens and Brassica napus with data available. 2-Hydroxyestradiol is a metabolite formed during the metabolism of 17beta-estradiol by hydroxylation of the carbon at position 2 by the CYP450 enzymes 1A1/1A2. Theoretically, 2-hydroxyestradiol (2-OHE2) is able to undergo redox cycling, which generates active radicals and induces DNA damage; however, this estradiol metabolite is very unstable in vivo and is quickly inactivated by catechol-O-methyltransferase (COMT)-mediated O-methylation and converted to 2-methoxyestradiol (2-MeE2). 2-MeE2 exerts antineoplastic activities through its estrogen receptor antagonistic effect and the induction of apoptosis in susceptible cancer cells. |
| Molecular Formula |
C18H24O3
|
|---|---|
| Molecular Weight |
288.38
|
| Exact Mass |
288.172
|
| CAS # |
362-05-0
|
| PubChem CID |
247304
|
| Appearance |
White to light yellow solid powder
|
| Density |
1.2±0.1 g/cm3
|
| Boiling Point |
481.5±45.0 °C at 760 mmHg
|
| Melting Point |
96-104°C
|
| Flash Point |
227.6±23.3 °C
|
| Vapour Pressure |
0.0±1.3 mmHg at 25°C
|
| Index of Refraction |
1.622
|
| LogP |
3.53
|
| Hydrogen Bond Donor Count |
3
|
| Hydrogen Bond Acceptor Count |
3
|
| Rotatable Bond Count |
0
|
| Heavy Atom Count |
21
|
| Complexity |
411
|
| Defined Atom Stereocenter Count |
5
|
| SMILES |
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=CC(=C(C=C34)O)O
|
| InChi Key |
DILDHNKDVHLEQB-XSSYPUMDSA-N
|
| InChi Code |
InChI=1S/C18H24O3/c1-18-7-6-11-12(14(18)4-5-17(18)21)3-2-10-8-15(19)16(20)9-13(10)11/h8-9,11-12,14,17,19-21H,2-7H2,1H3/t11-,12+,14-,17-,18-/m0/s1
|
| Chemical Name |
(8R,9S,13S,14S,17S)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-2,3,17-triol
|
| Synonyms |
2-Hydroxyestradiol 2-OH-Estradiol2-OH-E2
|
| HS Tariff Code |
2934.99.9001
|
| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
|
| Solubility (In Vitro) |
DMSO : ~100 mg/mL (~346.76 mM)
|
|---|---|
| Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 3.4676 mL | 17.3382 mL | 34.6765 mL | |
| 5 mM | 0.6935 mL | 3.4676 mL | 6.9353 mL | |
| 10 mM | 0.3468 mL | 1.7338 mL | 3.4676 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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