Estriol 17-sulfateCAS# 42028-21-7 |
Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 42028-21-7 | SDF | Download SDF |
| PubChem ID | 135126 | Appearance | Powder |
| Formula | C18H24O6S | M.Wt | 368.5 |
| Type of Compound | Steroids | Storage | Desiccate at -20°C |
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | [(8R,9S,13S,14S,16R,17R)-3,16-dihydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] hydrogen sulfate | ||
| SMILES | CC12CCC3C(C1CC(C2OS(=O)(=O)O)O)CCC4=C3C=CC(=C4)O | ||
| Standard InChIKey | HTAOZBHEZQGPLH-ZXXIGWHRSA-N | ||
| Standard InChI | InChI=1S/C18H24O6S/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)24-25(21,22)23/h3,5,8,13-17,19-20H,2,4,6-7,9H2,1H3,(H,21,22,23)/t13-,14-,15+,16-,17+,18+/m1/s1 | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | 1. Estriol 17-sulfate stimulates PR very significantly in the MCF-7 human mammary cancer cell line E3 and E3-3-S. |
| Targets | Estrogen receptor | Progestogen receptor |
Estriol 17-sulfate Dilution Calculator
Estriol 17-sulfate Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.7137 mL | 13.5685 mL | 27.137 mL | 54.2741 mL | 67.8426 mL |
| 5 mM | 0.5427 mL | 2.7137 mL | 5.4274 mL | 10.8548 mL | 13.5685 mL |
| 10 mM | 0.2714 mL | 1.3569 mL | 2.7137 mL | 5.4274 mL | 6.7843 mL |
| 50 mM | 0.0543 mL | 0.2714 mL | 0.5427 mL | 1.0855 mL | 1.3569 mL |
| 100 mM | 0.0271 mL | 0.1357 mL | 0.2714 mL | 0.5427 mL | 0.6784 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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Biological effects and morphological responses to estriol, estriol-3-sulfate, estriol-17-sulfate and tamoxifen in a tamoxifen-resistant cell line (R-27) derived from MCF-7 human breast cancer cells.[Pubmed:3595675]
Eur J Cancer Clin Oncol. 1986 Dec;22(12):1495-501.
The R-27 cell line is a variant clone derived from the MCF-7 human breast cancer cell line which has lost its inhibitory response to anti-estrogens. In the present study, we have compared the biological responses to estriol (E3), estriol-3-sulfate (E3-3-S), and estriol-17-sulfate (E3-17-S) in these cells and in the parent MCF-7 cells. In the R-27 cell line after 7 days of culture, the progesterone receptor (PR) concentrations were greatly increased by E3 and E3-3-sulfate; however, tamoxifen did not block this effect. The effect in PR provoked by E3-17-S was significantly less intense. The concentrations of PR (pmol/mg DNA +/- S.D.) in the R-27 cells were as follows: control: 1.1 +/- 0.8; +E3: 10.5 +/- 2.4; +E3-3-S: 5.4 +/- 2.3; +E3-17-S: 2.6 +/- 0.8. E3 and E3-3-S also stimulated PR in the MCF-7 cells but to a lesser extent. No stimulation was observed in the E3-17-S treatment. A fraction (0.5-1%) of the E3-3-S was found to be hydrolysed in the medium during the incubation in both cell lines, but no hydrolysis occurred after incubation with E3-17-S. Ultrastructural observations showed that in the E3 and E3-3-S treated cells, there was an important development of the ergastoplasm, bundles of filaments and an accumulation of ribosomes. No significant morphological alteration was observed in cells exposed to E3-17-S. In conclusion, E3 is biologically very active in both the R-27 and the MCF-7 cell lines and E3-3-S could play a role in the control of the estrogenic activity of E3.
Effect of estriol, estriol-3-sulfate and estriol-17-sulfate on progesterone and estrogen receptors of MCF-7 human breast cancer cells.[Pubmed:3702418]
J Steroid Biochem. 1986 Jan;24(1):357-9.
The levels of progesterone receptors (PR [cytosol (Cy) and nuclear (N)] and estrogen receptors (ER) [cytosol and nuclear; occupied and unoccupied specific binding sites] were evaluated in the MCF-7 cancer cell line incubated with estriol (E3), estriol-3-sulfate (E3-3-S) or estriol-17-sulfate (E3-17-S) for 7 days in culture. Cells were grown in MEM medium containing 2 mM glutamine, 10% v/v dialysed calf serum and penicillin-streptomycin (100 U/ml) in the absence (control) or in the presence of 5 X 10(-8) M E3, E3-3-S or E3-17-S. The total PR (Cy + N) concentration which was 0.47 +/- 0.10 (SE) pmol/mg DNA in the non-treated cells, increased to 1.95 +/- 0.48 in the E3 and to 1.55 +/- 0.26 in the E3-3-S treated cells. No effect (PR: 0.47 +/- 0.15 pmol/mg DNA) was observed with the E3-17-S treatment. Total ER (Cy + N, occupied + unoccupied binding sites) in pmol/mg DNA +/- SE, were as follows: control 0.79 +/- 0.17; + E3: 0.33 +/- 0.09; +E3-3-S: 0.90 +/- 0.18 and +E3-17-S: 1.82 +/- 0.58. The measurement by radioimmunoassay of unconjugated estriol in the culture medium indicated that after incubation with E3-3-S, a fraction (0.5-1%) of the sulfate was hydrolyzed but no hydrolysis was observed in the incubations with E3-17-S. It is concluded that in the MCF-7 human mammary cancer cell line E3 and E3-3-S stimulate PR very significantly, but it is suggested that E3-3-S acts through the hydrolyzed E3. On the other hand, E3-17-S is inactive because it is not hydrolyzed. Consequently, E3-3-S can play an important role in the biological responses of this mammary cancer cell line.
