ChemicalBook >> CAS DataBase List >>6-KETOESTRADIOL
6-KETOESTRADIOL
- CAS No.
- 571-92-6
- Chemical Name:
- 6-KETOESTRADIOL
- Synonyms
- Nsc 147966;6-Oxoestradiol;Estradiol-6-one;6-KETOESTRADIOL;oestradiol-6-one;β-Estradiol-6-one;Estradiol USP RC C;6-Oxo-17β-estradiol;β-Estradiol-6-oxime;BETA-ESTRADIOL-6-ONE
- CBNumber:
- CB2157971
- Molecular Formula:
- C18H22O3
- Molecular Weight:
- 286.37
- MDL Number:
- MFCD00056457
- MOL File:
- 571-92-6.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-05-28 00:02:34
| Melting point | 281-283 °C |
|---|---|
| Boiling point | 478.9±45.0 °C(Predicted) |
| Density | 1.249±0.06 g/cm3(Predicted) |
| storage temp. | Refrigerator |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 9.36±0.60(Predicted) |
| color | White to Off-White |
| biological source | synthetic (organic) |
| BRN | 3208779 |
| InChI | 1S/C18H22O3/c1-18-7-6-12-11-3-2-10(19)8-14(11)16(20)9-13(12)15(18)4-5-17(18)21/h2-3,8,12-13,15,17,19,21H,4-7,9H2,1H3/t12-,13-,15+,17+,18+/m1/s1 |
| InChIKey | ZHTDDOWJIRXOMA-YVEZLPLXSA-N |
| SMILES | C[C@]12CC[C@H]3[C@@H](CC(=O)c4cc(O)ccc34)[C@@H]1CC[C@@H]2O |
| CAS DataBase Reference | 571-92-6 |
| FDA UNII | BZ2CJW3GSE |
| UNSPSC Code | 12352200 |
| NACRES | NA.77 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS08 |
|---|---|
| Signal word | Danger |
| Hazard statements | H351-H362-H360Fd |
| Precautionary statements | P201-P202-P281-P308+P313-P405-P501-P201-P260-P263-P264-P270-P308+P313 |
| PPE | Eyeshields, Gloves, type N95 (US) |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| HS Code | 2937230000 |
| Storage Class | 11 - Combustible Solids |
| REACH Registrations | Active |
6-KETOESTRADIOL price More Price(23)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | PHR2859 | Estradiol Related Compound C pharmaceutical secondary standard, certified reference material | 571-92-6 | 25MG | $707 | 2026-04-30 | Buy |
| Sigma-Aldrich | K1001 | β-Estradiol-6-one | 571-92-6 | 250mg | $1800 | 2026-04-30 | Buy |
| Sigma-Aldrich | 1250041 | Estradiol Related Compound C United States Pharmacopeia (USP) Reference Standard | 571-92-6 | 15mg | $1390 | 2026-04-30 | Buy |
| TRC | TRC-K188740-25MG | 6-Keto 17b-Estradiol | 571-92-6 | 25mg | $530 | 2026-06-03 | Buy |
| TRC | TRC-K188740-10MG | 6-Keto 17b-Estradiol | 571-92-6 | 10mg | $247 | 2026-06-03 | Buy |
6-KETOESTRADIOL Chemical Properties, Uses, Production
Uses
A metabolite of Estradiol (E888000).
Purification Methods
-Estradiol-6-one forms plates from EtOH. The 3,17-diacetate has m 173-175o after recrystallisation from aqueous EtOH. [Longwell & Wintersteiner J Biol Chem 133 219 1940.] The UV has max at 255 and 326nm in EtOH [Slaunwhite et al. J Biol Chem 191 627 1951]. [Beilstein 8 IV 2398.]
6-KETOESTRADIOL Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 113)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Bridge Organics | +1269-649-4200 | ab@bridgeorganics.com | United States | 160 | 55 |
| Chemsky（shanghai）International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| Syntechem Co.,Ltd | info@syntechem.com | China | 12973 | 57 | |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Alchemist-pharm chemical Technology Co. Ltd. | 0371-67991738 13783628208 | carl@alchemist-pharm.com | China | 43 | 58 |
| Guangzhou Egg Biotechnology Co., Ltd. | 86-20-28069315 28069316 | eggbio@163.com | China | 20 | 58 |
| Shanghai Yolne Chemical Co., Ltd. | 021-62960152 | 934678158@qq.com | China | 9886 | 55 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Shanghai Macklin Biochemical Co.,Ltd. | 15221275939 15221275939 | shenlinxing@macklin.cn | China | 15775 | 55 |
View Latest Price from 6-KETOESTRADIOL manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-04-10 | 6-KETOESTRADIOL
571-92-6
|
$2.00-5.00 | 1KG | 99% hplc | 500TONS | Wuhan JiyunZen Tech Co., Ltd. | |
 |
2025-06-20 | 6-Keto 17β-Estradiol
571-92-6
|
$40.00 | 1kg | 0.99 | 10 tons | Hebei Yanxi Chemical Co., Ltd. | |
 |
2021-08-13 | 6-keto estradiol
571-92-6
|
$10.00 | 10g | 99 | 50 Ton/Tons per Month | Shijiazhuang tongyang Import and Export Co., LTD |
-
- 6-KETOESTRADIOL
571-92-6
- $2.00-5.00
- 99% hplc
- Wuhan JiyunZen Tech Co., Ltd.
-
- 6-Keto 17β-Estradiol
571-92-6
- $40.00
- 0.99
- Hebei Yanxi Chemical Co., Ltd.
-
- 6-keto estradiol
571-92-6
- $10.00
- 99
- Shijiazhuang tongyang Import and Export Co., LTD
BETA-ESTRADIOL-6-ONE
1,3,5-ESTRATRIENE-3,17BETA-DIOL-6-ONE
1,3,5[10]-ESTRATRIENE-3,17BETA-DIOL-6-ONE
1,3,5(10)-ESTRATRIEN-3,17-BETA-DIOL-6-ONE
3,17BETA-DIHYDROXY-1,3,5[10]-ESTRATRIEN-6-ONE
Estradiol-6-one
oestradiol-6-one
1,3,5-Estratriene-3,17β-diol-6-one, 3,17β-Dihydroxy-1,3,5(10)-estratrien-6-one, 6-Ketoestradiol
3,17β-Dihydroxyestra-1,3,5(10)-trien-6-one
6-Oxo-17β-estradiol
6-Oxoestradiol
(17b)-3,17-Dihydroxyestra-1,3,5(10)-trien-6-one
Estra-1,3,5(10)-trien-6-one, 3,17-dihydroxy-, (17beta)- (9ci)
Nsc 147966
6-Keto 17β-Estradiol
β-Estradiol-6-one,1,3,5-Estratriene-3,17β-diol-6-one, 3,17β-Dihydroxy-1,3,5(10)-estratrien-6-one, 6-Ketoestradiol
6-KETOESTRADIOL
6-KETO-17-BETA-ESTRADIOL
Estradiol Related Compound C (15 mg) (1,3,5(10)-estratrien-3,17beta-diol-6-one)
(17β)-3,17-Dihydroxyestra-1,3,5(10)-trien-6-one
1,3,5(10)-Estratrien-3,17β-diol-6-one
(8R,9S,13S,14S,17S)-3,17-dihydroxy-13-Methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-one
1,3,5-Estratriene-3,17β-diol-6-one
3,17β-Dihydroxy-1,3,5(10)-estratrien-6-one
Estradiol Related CoMpound C
Estradiol USP Related Compound C
Estradiol USP RC C
Estra-1,3,5(10)-trien-6-one, 3,17-dihydroxy-, (17β)-
6-OXO-17β-ESTRADIOL-CRD
β-Estradiol-6-one
Estradiol Related Compound C (1,3,5(10)-estratrien-3,17beta-diol-6-one) (1250041)
Estradiol Impurity 12
Estradiol Impurity 13
1, 3, 5(10)-ESTRATRIEN-3, 17β-DIOL-6-ONE
(8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-8,9,11,12,14,15,16,17-octahydro-7H-cyclopenta[a]phenanthren-6-one
β-Estradiol-6-one, CAS 571-92-6
Estradiol Hemihydrate Impurity 9
β-Estradiol-6-oxime
571-92-6
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