ChemicalBook--->CAS DataBase List--->128-21-2

128-21-2

128-21-2 Structure

128-21-2 Structure
IdentificationBack Directory
[Name]

3-BETA-HYDROXY-5-BETA-PREGNAN-20-ONE
[CAS]

128-21-2
[Synonyms]

Nsc21450
PREGNANOLONE
Pregnanolone i
EPIPREGNANOLONE
5.beta.-Pregnanolone
Pregnan-3.beta.-ol-20-one
5-BETA-PREGNAN-3-BETA-OL-20-ONE
Pregnan-20-one,3-hydroxy-, (3b,5b)-
5B-pregnan-3B-ol-20-one crystalline
3-BETA-HYDROXY-5-BETA-PREGNAN-20-ONE
Pregnan-20-one, 3-hydroxy-, (3β,5β)-
5.beta.-Pregnan-20-one, 3.beta.-hydroxy-
3-BETA-HYDROXY-5-BETA-TETRAHYDROPROGESTERONE
Pregnan-20-one, 3-hydroxy-, (3.beta.,5.beta.)-
1-[(3S,5R,8R,9S,10S,13R,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone
[Molecular Formula]

C21H34O2
[MDL Number]

MFCD00069489
[MOL File]

128-21-2.mol
[Molecular Weight]

318.49
Chemical PropertiesBack Directory
[Melting point ]

136 °C
[Boiling point ]

431.2±18.0 °C(Predicted)
[density ]

1.053±0.06 g/cm3(Predicted)
[storage temp. ]

-20°C Freezer
[solubility ]

Chloroform (Slightly), Ethanol (Slightly, Sonicated), Methanol (Slightly)
[form ]

Solid
[pka]

15.12±0.70(Predicted)
[color ]

White to Off-White
Hazard InformationBack Directory
[Uses]

Epipregnanolone is an epimer of the hyponotic-anaesthetic agent Pregnanolone (P711300). Epipregnanolone displays anesthetic, hypnotic, and sedative properties. Epipregnanolone has been shown to reduce alcohol self-administration in rats.
[Definition]

ChEBI: The 3beta-stereoisomer of 3-hydroxy-5beta-pregnan-20-one.
[storage]

Store at -20°C
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