Cas no 1662-06-2 (4-Pregnen-17a,20b-diol-3-one)

4-Pregnen-17a,20b-diol-3-one structure
4-Pregnen-17a,20b-diol-3-one structure
Product Name:4-Pregnen-17a,20b-diol-3-one
CAS No:1662-06-2
MF:C21H32O3
MW:332.476986885071
CID:155146
PubChem ID:107701
Update Time:2025-10-28

4-Pregnen-17a,20b-diol-3-one Chemical and Physical Properties

Names and Identifiers

    • Pregn-4-en-3-one,17,20-dihydroxy-, (20R)-
    • 17α,20β-Dihydroxy-4-pregnen-3-one
    • 4-Pregnen-17α,20β-di
    • 4-Pregnen-17α,20β-diol-3-one
    • 4-PREGNENE-17ALPHA,20BETA-DIOL-3-ONE
    • 17ALPHA,20BETA-DIHYDROXY-4-PREGNEN-3-ONE
    • 17α,20β-Dihydroxyprogesterone
    • MIS (SALMONID)
    • 17α,20β-4-Pregnen-3-one
    • Maturation-inducing HorMone
    • 4-Pregnen-17a,20b-diol-3-one
    • 4-pregnene-17A,20B-diol-3-one
    • 4-PREGNEN-17,20-BETA-DIOL-3-ONE
    • 17a, 20-Dihydroxy-4-pregnen-3-one
    • A,20
    • A-Dihydroxy-4-pregnen-3-one
    • 4-Pregnen-17?,20?-diol-3-one
    • CHEBI:36723
    • 17,20beta-dihydroxypregn-4-en-3-one
    • PD018027
    • AKOS040755520
    • 17alpha-Hydroxy-20beta-dihydroprogesterone
    • 17
    • Q27116937
    • MFCD00010485
    • 17alpha,20beta-Dihydroxypregn-4-en-3-one
    • J-010264
    • 1662-06-2
    • SCHEMBL7063502
    • 4-Pregnen-17 alpha ,20 beta -diol-3-one
    • 4-Pregnen-17alpha,20beta-diol-3-one
    • HY-W587733
    • 17-DHP
    • CS-0643585
    • 17alpha,20beta-Dihydroxy-4-pregnen-3-one, crystalline
    • 17a,20b-Dihydroxy-4-pregnen-3-one
    • Pregn-4-en-3-one, 17,20-dihydroxy-, (20R)-
    • 17alpha, 20beta-DIHYDROXYPROGESTERONE
    • DTXSID60873499
    • (20R)-17,20-Dihydroxypregn-4-en-3-one
    • LMST02030149
    • 17??,20??-Dihydroxy-4-pregnen-3-one
    • (8R,9S,10R,13S,14S,17R)-17-hydroxy-17-[(1R)-1-hydroxyethyl]-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
    • 17alpha,20beta-Dihydroxyprogesterone
    • 17,20R-dihydroxypregn-4-en-3-one
    • (1R,3aS,3bR,9aR,9bS,11aS)-1-hydroxy-1-[(1R)-1-hydroxyethyl]-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-one
    • (1R,3aS,3bR,9aR,9bS,11aS)-1-hydroxy-1-[(1R)-1-hydroxyethyl]-9a,11a-dimethyl-2H,3H,3aH,3bH,4H,5H,8H,9H,9bH,10H,11H-cyclopenta[a]phenanthren-7-one
    • MASCESDECGBIBB-FSHQYNQFSA-N
    • G76987
    • DA-59472
    • Inchi： 1S/C21H32O3/c1-13(22)21(24)11-8-18-16-5-4-14-12-15(23)6-9-19(14,2)17(16)7-10-20(18,21)3/h12-13,16-18,22,24H,4-11H2,1-3H3/t13-,16-,17+,18+,19+,20+,21+/m1/s1
    • InChI Key： MASCESDECGBIBB-FSHQYNQFSA-N
    • SMILES： O[C@]1([C@@H](C)O)CC[C@H]2[C@@H]3CCC4=CC(CC[C@]4(C)[C@H]3CC[C@@]21C)=O

Computed Properties

  • Exact Mass: 332.23500
  • Monoisotopic Mass: 332.23514488g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 24
  • Rotatable Bond Count: 1
  • Complexity: 596
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 7
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: 5
  • XLogP3: 2.5
  • Topological Polar Surface Area: 57.5

Experimental Properties

  • Color/Form: Crystals.
  • Melting Point: 201-202°C
  • Stability/Shelf Life: Store in Freezer
  • PSA: 57.53000
  • LogP: 3.63020
  • Solubility: Not determined

4-Pregnen-17a,20b-diol-3-one Security Information

  • WGK Germany：3

4-Pregnen-17a,20b-diol-3-one Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
WU HAN AN JIE KAI Biomedical Technology Co., Ltd.
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 ￥2626.00 2022-04-26
TRC
P712080-5mg
4-Pregnen-17a,20b-diol-3-one
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5mg
 $ 148.00 2023-09-06
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P712080-10mg
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 $ 221.00 2023-09-06
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P712080-25mg
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 1662-06-2
25mg
 $ 540.00 2023-09-06
TRC
P712080-50mg
4-Pregnen-17a,20b-diol-3-one
 1662-06-2
50mg
 $ 1062.00 2023-04-15
TRC
P712080-100mg
4-Pregnen-17a,20b-diol-3-one
 1662-06-2
100mg
 $ 1740.00 2023-04-15
A2B Chem LLC
AA88689-50mg
Pregn-4-en-3-one, 17,20-dihydroxy-, (20R)-
 1662-06-2 96%
50mg
 $1049.00 2024-04-20
A2B Chem LLC
AA88689-1mg
Pregn-4-en-3-one, 17,20-dihydroxy-, (20R)-
 1662-06-2 ≥95%
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 $40.00 2024-04-20

4-Pregnen-17a,20b-diol-3-one Production Method

Production Method 1

Reaction Conditions
1.1 Solvents: Dimethyl sulfoxide ,  Water ;  5 d, 24 °C
Reference
Flexibility of the endogenous progesterone lactonisation pathway in Aspergillus tamarii KITA: transformation of a series of cortical steroid analogues
Hunter, A. Christy; Carragher, Natasha E., Journal of Steroid Biochemistry and Molecular Biology, 2004, 87(4-5), 301-308

4-Pregnen-17a,20b-diol-3-one Raw materials

4-Pregnen-17a,20b-diol-3-one Preparation Products

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