4-hydroxyethynylestradiol
- CAS No.
- 50394-90-6
- Chemical Name:
- 4-hydroxyethynylestradiol
- Synonyms
- 4-hydroxyethynylestradiol;4-Hydroxy Ethinylestradiol;17alpha-ethynyl-4-hydroxyestradiol;Ethinylestradiol 4-Hydroxy Impurity;17a-Ethynylestra-1,3,5(10)-triene-3,4,17-triol;19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,4,17-triol;(17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol;(17a)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol;19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol, (17α)-
- CBNumber:
- CB81362787
- Molecular Formula:
- C20H24O3
- Molecular Weight:
- 312.4
- MDL Number:
- MFCD18252506
- MOL File:
- 50394-90-6.mol
- TDS File:
- TDS
Last updated:2026-04-24 14:58:44
| Product description | Number | Pack Size | Price |
| 4-Hydroxy Ethynyl Estradiol | TRC-H941965-1MG | 1mg | $232 |
| 4-Hydroxy Ethynyl Estradiol | 013744 | 1mg | $475 |
| 4-Hydroxy ethynyl estradiol | FH23999 | 0.5mg | $900 |
| 4-Hydroxy ethynyl estradiol | FH23999 | 1mg | $900 |
| 4-Hydroxy ethynyl estradiol | FH23999 | 2mg | $908.6 |
| Melting point | >155°C (dec.) |
|---|---|
| Boiling point | 478.778±45.00 °C(Press: 760.00 Torr)(predicted) |
| Density | 1.294±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted) |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | Chloroform (Slightly, Heated), DMSO (Slightly), Ethyl Acetate (Slightly), Methane |
| form | Solid |
| pka | 10.031±0.60(predicted) |
| color | Light Beige |
| Stability | Hygroscopic, Light Sensitive |
4-hydroxyethynylestradiol price More Price(10)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TRC | TRC-H941965-1MG | 4-Hydroxy Ethynyl Estradiol | 50394-90-6 | 1mg | $232 | 2026-06-03 | Buy |
| Usbiological | 013744 | 4-Hydroxy Ethynyl Estradiol | 50394-90-6 | 1mg | $475 | 2026-06-03 | Buy |
| Biosynth | FH23999 | 4-Hydroxy ethynyl estradiol | 50394-90-6 | 0.5mg | $900 | 2026-06-04 | Buy |
| Biosynth | FH23999 | 4-Hydroxy ethynyl estradiol | 50394-90-6 | 1mg | $900 | 2026-06-04 | Buy |
| Biosynth | FH23999 | 4-Hydroxy ethynyl estradiol | 50394-90-6 | 2mg | $908.6 | 2026-06-04 | Buy |
4-hydroxyethynylestradiol Preparation Products And Raw materials
4-hydroxyethynylestradiol Suppliers
Global( 16)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Finetech Industry Limited | +86-27-8746-5837 +86-18627785180 | info@finetechnology-ind.com | China | 9539 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemsky（shanghai）International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| Clearsynth Labs Limited | +91-22-26355700 | info@clearsynth.com | India | 9656 | 58 |
| Finetech Industry Limited | 027-87465837 19945049750 | sales@finetechnology-ind.com | China | 9337 | 58 |
| Shenzhen Polymeri Biochemical Technology Co., Ltd. | +86-400-002-6226 | sales@rrkchem.com | China | 57336 | 58 |
| Energy Chemical | 021-58432009 400-005-6266 | marketing@energy-chemical.com | China | 44871 | 58 |
| TCI (Shanghai) Chemical Trading Co., Ltd. | 021-61109150 | sales@tcisct.com | China | 29717 | 58 |
| Henan Kehong Biological Technology Co. LTD | 0371-55969461 18638736641 | info@kehobio.com | China | 2772 | 58 |
| Biosynth Biological Technology (Suzhou) Co Ltd | -- | sales@biosynth.com | China | 6032 | 58 |
(17a)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol
17a-Ethynylestra-1,3,5(10)-triene-3,4,17-triol
19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,4,17-triol
4-hydroxyethynylestradiol
17alpha-ethynyl-4-hydroxyestradiol
Ethinylestradiol 4-Hydroxy Impurity
19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol, (17α)-
4-Hydroxy Ethinylestradiol
(17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol
50394-90-6
Intermediates & Fine Chemicals
Metabolites & Impurities
Pharmaceuticals
Steroids
