ChemicalBook >> CAS DataBase List >>9,11-Dehydro Ethynyl Estradiol
9,11-Dehydro Ethynyl Estradiol
- CAS No.
- 1231-96-5
- Chemical Name:
- 9,11-Dehydro Ethynyl Estradiol
- Synonyms
- Ethinyl Estradiol Related CoMpound B;Ethinylestradiol EP Impurity B;Ethinylestradio Impurity;Ethinylestradiol EP Imp B;9,11-Dehydro Ethynyl Estradiol;9,11-Dehydro Ethylnyl Estradiol;19-Nor-17alpha-pregna-1,3,5(10),9(1;Ethinyl Estradiol USP Related Compound B;9,11-Dehydro Ethylnyl Estradiol (IMpurity B);19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol
- CBNumber:
- CB22508333
- Molecular Formula:
- C20H22O2
- Molecular Weight:
- 294.39
- MDL Number:
- MFCD01310751
- MOL File:
- 1231-96-5.mol
Last updated:2026-08-01 20:02:02
| Melting point | 181.1-181.9 °C |
|---|---|
| Boiling point | 477.491±45.00 °C(Press: 760.00 Torr)(predicted) |
| Density | 1.242±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted) |
| storage temp. | Store at 0-8 °C |
| solubility | Chloroform (Slightly), Methanol (Slightly, Sonicated) |
| form | Solid |
| pka | 10.361±0.60(predicted) |
| color | White to Yellow |
| FDA UNII | 1521KR33D3 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() ![]() GHS07,GHS08,GHS09 |
|---|---|
| Signal word | Danger |
| Hazard statements | H410-H350-H362 |
| Precautionary statements | P273-P391-P501-P201-P260-P263-P264-P270-P308+P313 |
| HS Code | 2937230000 |
9,11-Dehydro Ethynyl Estradiol price More Price(22)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1260023 | Ethinyl estradiol Related Compound B United States Pharmacopeia (USP) Reference Standard | 1231-96-5 | 20MG | $1330 | 2026-04-30 | Buy |
| TRC | TRC-D229610-50MG | 9,11-Dehydro Ethynyl Estradiol >95%(HPLC) | 1231-96-5 | 50mg | $1197 | 2026-06-03 | Buy |
| TRC | TRC-D229610-25MG | 9,11-Dehydro Ethynyl Estradiol >95%(HPLC) | 1231-96-5 | 25mg | $669 | 2026-06-03 | Buy |
| TRC | TRC-D229610-100MG | 9,11-Dehydro Ethynyl Estradiol >95%(HPLC) | 1231-96-5 | 100mg | $1896 | 2026-06-03 | Buy |
| Usbiological | 007790 | 9,11-Dehydro Ethynyl Estradiol | 1231-96-5 | 10mg | $446 | 2026-06-03 | Buy |
9,11-Dehydro Ethynyl Estradiol Preparation Products And Raw materials
Raw materials
Preparation Products
9,11-Dehydro Ethynyl Estradiol Suppliers
Global Suppliers ( 63)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemsky(shanghai)International Co.,Ltd. | 021-50135380 | shchemsky@163.com | China | 280 | 58 |
| Chemsky(shanghai)International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Clearsynth Labs Limited | +91-22-26355700 | info@clearsynth.com | India | 9656 | 58 |
| Shanghai TaoSu Biochemical Technology Co., Ltd. | 021-33632979 | info@tsbiochem.com | China | 8039 | 58 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Shandong Boluoda Biological Technology Co., Ltd. | 0531-68651502 | 2310993908@qq.com | China | 3228 | 58 |
| Nanjing XiZe Biotechnology CO., Ltd. | 025-66023220 15250997978 | 1511893459@qq.com | China | 4777 | 55 |
| BOC Sciences | 16314854226 | info@bocsci.com | United States | 9909 | 65 |
1231-96-5 (9,11-Dehydro Ethynyl Estradiol) Related Search:
1,3,5(10)-Estratrien-17-alpha-ethynyl-3,6-alpha, 17-beta-triol
6,7-Dehydro ethynyl estradiol
(8S,9S,13S,14S,17R)-17-ethynyl-4,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-1,17-diol
4-Methyl Ethynyl Estradiol
Ethinylestradiol
1of4
9,11-Dehydro Ethynyl Estradiol
Ethinyl Estradiol Related Compound B (10 mg) (19-Nor-17alpha-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol)
9,11-Dehydro Ethylnyl Estradiol
9,11-Dehydro Ethylnyl Estradiol (IMpurity B)
(17α)-19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol
19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol
Ethinylestradiol Impurity 2(Ethinylestradiol EP Impurity B)
3,17β-dihydroxy-19-norpregna-1,3,5(10),9(11)-tetraene-20-yne
Ethinylestradiol EP Imp B
19-Nor-17alpha-pregna-1,3,5(10),9(1
19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol, (17α)-
Ethinylestradiol EP Impurity B/ Ethinyl Estradiol Related Compound B
Ethinyl Estradiol Related Compound BQ: What is
Ethinyl Estradiol Related Compound B Q: What is the CAS Number of
Ethinyl Estradiol Related Compound B
9,11-Dehydro Ethynyl EstradiolQ: What is
9,11-Dehydro Ethynyl Estradiol Q: What is the CAS Number of
9,11-Dehydro Ethynyl Estradiol Q: What is the storage condition of
9,11-Dehydro Ethynyl Estradiol Q: What are the applications of
9,11-Dehydro Ethynyl Estradiol
Ethinyl Estradiol Related Compound B (19-Nor-17alpha-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-dio (1260023)
Ethinyl Estradiol USP Related Compound B
Ethinylestradiol EP Impurity B (Ethinyl Estradiol USP Related Compound B (Free Form))
19-Nor-17alpha-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol (9,11-Didehydroethinylestradiol)
Ethinylestradio Impurity
(8s,13s,14s,17r)-17-ethynyl-13-methyl-7,8,12,13,14,15,16,17-octahydro-6h-cyclopenta[a]phenanthrene-3,17-diol
Ethinylestradiol EP Impurity B
Ethinyl Estradiol Related CoMpound B
1231-96-5
Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Steroids
Impurities
Intermediates & Fine Chemicals
Pharmaceuticals
Steroids







