ChemicalBook > CAS DataBase List > 4-PREGNEN-20-ALPHA-OL-3-ONE

4-PREGNEN-20-ALPHA-OL-3-ONE

Product Name
4-PREGNEN-20-ALPHA-OL-3-ONE
CAS No.
145-14-2
Chemical Name
4-PREGNEN-20-ALPHA-OL-3-ONE
Synonyms
C04042;20α-OH-P;NSC 68630;20α-Progerol;Progesterol-20α;20-alpha-progerol;dihydroprogesterone;20α-OH-Progesterone;progesterol-20-alpha;(20s)-pregn-4-en-3-on
CBNumber
CB4342627
Molecular Formula
C21H32O2
Formula Weight
316.48
MOL File
145-14-2.mol
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4-PREGNEN-20-ALPHA-OL-3-ONE Property

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
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Safety

WGK Germany 
3
RTECS 
TU5559900
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PHR8935
Product name
(20S)-20-Hydroxypregn-4-en-3-one
Purity
Pharmaceutical Secondary Standard; Certified Reference Material
Packaging
100mg
Price
$987
Updated
2025/07/31
TRC
Product number
P712215
Product name
Δ4-Pregnen-20α-ol-3-one
Packaging
5mg
Price
$185
Updated
2021/12/16
Medical Isotopes, Inc.
Product number
72135
Product name
delta4-Pregnen-20α-ol-3-one
Packaging
25mg
Price
$650
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
MTB0000004
Product name
4-PREGNEN-20-ALPHA-OL-3-ONE
Purity
95.00%
Packaging
25MG
Price
$721.88
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
MTB0000004
Product name
4-PREGNEN-20-ALPHA-OL-3-ONE
Purity
95.00%
Packaging
250MG
Price
$1732.5
Updated
2021/12/16
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4-PREGNEN-20-ALPHA-OL-3-ONE Chemical Properties,Usage,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

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View Lastest Price from 4-PREGNEN-20-ALPHA-OL-3-ONE manufacturers

Moxin Chemicals
Product
Progesterone EP Impurity B 145-14-2
Price
US $0.00-0.00/mg
Min. Order
10mg
Purity
95
Supply Ability
100000000
Release date
2025-02-14

145-14-2, 4-PREGNEN-20-ALPHA-OL-3-ONERelated Search:


  • 4-PREGNEN-20-ALPHA-OL-3-ONE
  • (20s)-20-hydroxypregn-4-en-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
  • 145-14-2
  • Intermediates & Fine Chemicals
  • Metabolites & Impurities
  • Pharmaceuticals
  • Steroids