ChemicalBook >> CAS DataBase List >>4-PREGNEN-20-ALPHA-OL-3-ONE
4-PREGNEN-20-ALPHA-OL-3-ONE
- CAS No.
- 145-14-2
- Chemical Name:
- 4-PREGNEN-20-ALPHA-OL-3-ONE
- Synonyms
- (20s)-20-hydroxypregn-4-en-3-one;C04042;20α-OH-P;NSC 68630;20α-Progerol;Progesterol-20α;20-alpha-progerol;dihydroprogesterone;20α-OH-Progesterone;progesterol-20-alpha
- CBNumber:
- CB4342627
- Molecular Formula:
- C21H32O2
- Molecular Weight:
- 316.48
- MDL Number:
- MFCD00009823
- MOL File:
- 145-14-2.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-04-24 14:58:12
| Product description | Number | Pack Size | Price |
| (20S)-20-Hydroxypregn-4-en-3-one Pharmaceutical Secondary Standard; Certified Reference Material | PHR8935 | 100mg | $1060 |
| 4-Pregnen-20-alpha-ol-3-one Asreported | 287243 | 5mg | $333 |
| 4-Pregnen-20-alpha-ol-3-one Asreported | 287243 | 10mg | $455 |
| 4-Pregnen-20-alpha-ol-3-one Asreported | 287243 | 25mg | $638 |
| 4-Pregnen-20-alpha-ol-3-one Asreported | 287243 | 50mg | $792 |
| More product size | |||
| Melting point | 171-172 °C |
|---|---|
| Boiling point | 451.7±14.0 °C(Predicted) |
| Density | 1.13 g/cm3 |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Ethanol (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 15.05±0.20(Predicted) |
| color | White to Off-White |
| InChI | InChI=1S/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h12-13,16-19,22H,4-11H2,1-3H3/t13-,16-,17+,18-,19-,20-,21+/m0/s1 |
| InChIKey | RWBRUCCWZPSBFC-RXRZZTMXSA-N |
| SMILES | C1(=O)C=C2[C@](C)(CC1)[C@]1([H])[C@]([H])([C@@]3([H])[C@@](CC1)(C)[C@@H]([C@@H](O)C)CC3)CC2 |
| FDA UNII | 45630A64AC |
4-PREGNEN-20-ALPHA-OL-3-ONE price More Price(24)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | PHR8935 | (20S)-20-Hydroxypregn-4-en-3-one Pharmaceutical Secondary Standard; Certified Reference Material | 145-14-2 | 100mg | $1060 | 2026-04-30 | Buy |
| Usbiological | 287243 | 4-Pregnen-20-alpha-ol-3-one Asreported | 145-14-2 | 5mg | $333 | 2026-06-03 | Buy |
| Usbiological | 287243 | 4-Pregnen-20-alpha-ol-3-one Asreported | 145-14-2 | 10mg | $455 | 2026-06-03 | Buy |
| Usbiological | 287243 | 4-Pregnen-20-alpha-ol-3-one Asreported | 145-14-2 | 25mg | $638 | 2026-06-03 | Buy |
| Usbiological | 287243 | 4-Pregnen-20-alpha-ol-3-one Asreported | 145-14-2 | 50mg | $792 | 2026-06-03 | Buy |
4-PREGNEN-20-ALPHA-OL-3-ONE Chemical Properties,Uses,Production
Uses
Δ4-Pregnen-20α-ol-3-one is the main metabolite of Progesterone (P755900). Studies shows regulation of estrogen receptor levels in breast cancer by Δ4-Pregnen-20α-ol-3-one and other progesterone metabolites.
Uses
Δ4-Pregnen-20α-ol-3-one (Progesterone EP Impurity B) is the main metabolite of Progesterone (P755900). Studies shows regulation of estrogen receptor levels in breast cancer by Δ4-Pregnen-20α-ol-3-one and other progesterone metabolites.
Definition
ChEBI: (20S)-20-hydroxypregn-4-en-3-one is a 20-hydroxypregn-4-en-3-one. It has a role as a human metabolite and a mouse metabolite.
4-PREGNEN-20-ALPHA-OL-3-ONE Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 92)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| BOC Sciences | +1-631-485-4226 | inquiry@bocsci.com | United States | 19935 | 58 |
| Hefei Hangang Pharmaceutical Technology Co., Ltd. | +8618062405514 | ada@ipurechemical.com | China | 10224 | 58 |
| Career Henan Chemica Co | +86-0371-86658258 +86-13203830695 | laboratory@coreychem.com | China | 30203 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-81139210 +86-17392587031 | 1059@dideu.com | China | 9984 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 +86-15355479329 | market18@leapchem.com | China | 43303 | 58 |
| Sinco Pharmachem (ShenZhen) R&D Co., Ltd. | +86-18603013401 | jack.lin@sincopharmachem.com | China | 9999 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| S.Z. PhyStandard Bio-Tech. Co., Ltd. | 0755-4000505016 13380397412 | 3001272453@qq.com | China | 5000 | 50 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Shanghai Kewel Chemical Co., Ltd. | 021-64609169 18901607656 | greensnown@163.com | China | 9883 | 50 |
View Lastest Price from 4-PREGNEN-20-ALPHA-OL-3-ONE manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-16 | Progesterone EP Impurity B
145-14-2
|
10mg | 95 | 100000000 | Moxin Chemicals |
-
- Progesterone EP Impurity B
145-14-2
- 95
- Moxin Chemicals
145-14-2(4-PREGNEN-20-ALPHA-OL-3-ONE)Related Search:
4-PREGNEN-20-BETA-OL-3-ONE
(17α)-Pregn-4-ene-3,20-dione
17α-Hydroxyprogesterone
20-Dihydroprogesterone Acetate
20α-Acetoxy-4-pregnen-3-one
Progesterone EP Impurity G
Progesterone EP Impurity F
Bisnorcholenaldehyde
4-PREGNEN-20-ALPHA-OL-3-ONE
17ALPHA, 20ALPHA-DIHYDROXY-4-PREGNEN-3-ONE
1of4
4-PREGNEN-20-ALPHA-OL-3-ONE
20-ALPHA-DIHYDROPROGESTERONE
20-ALPHA-HYDROXY-4-PREGNEN-3-ONE
20-ALPHA-HYDROXYPROGESTERONE
(20s)-pregn-4-en-3-on
20(s)-hydroxyprogesterone
20-alpha-hydroxydihydroprogesterone
20-alpha-hydroxy-pregn-4-en-3-on
20-alpha-progerol
dihydroprogesterone
progesterol-20-alpha
Progesterone EP IMP B
4-pregnen-20A-ol-3-one
4-PREGNEN-20ALPHA-OL-3-ON
(8S,9S,10R,13R,14S,17S)-17-(1-hydroxyethyl)-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
20α-Hydroxy-4-pregnen-3-one, 20α-Hydroxyprogesterone
4-Pregnen-20α-ol-3-one
20α-Dihydroprogesterone
20α-OH-P
20α-OH-Progesterone
20alpha-Hydroxypregn-4-en-3-one
C04042
20α-Hydroxy-4-pregnen-3-one
20α-Hydroxydihydroprogesterone
20α-Hydroxy-Δ4-pregnen-3-one
20α-Progerol
4-Pregnen-3-one-20α-ol
NSC 68630
Pregn-4-ene-20α-ol-3-one
Progesterol-20α
Δ4-Pregnene-20α-ol-3-one
20a-Hydroxypregn-4-en-3-one
Progesterone EP Impurity B (20(S)-Hydroxy Progesterone)
Progesterone EP Impurity B
(8S,9S,10R,13S,14S,17S)-17-((S)-1-hydroxyethyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
Progesterone Impurity 2(Progesterone EP Impurity B)
Pregn-4-en-3-one, 20-hydroxy-, (20S)-
Δ4-Pregnen-20α-ol-3-one
20a-Dihydroprogesterone
20(S)-Hydroxypregn-4-en-3-one
20α-Dihydroprogesterone-[2,3,4-13C3]
delta4-Pregnen-20alpha-ol-3-one
(20s)-20-hydroxypregn-4-en-3-one
(8S,9S,10R,13S,14S,17S)-17-((S)-1-hydroxyethyl)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
145-14-2
Intermediates & Fine Chemicals
Metabolites & Impurities
Pharmaceuticals
Steroids
