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81572

Sigma-Aldrich

5α-Pregnan-3α-ol-20-one

≥98.0% (TLC)

Synonym(e):

3α-Hydroxy-5α-pregnan-20-on, Allopregnan-3α-ol-20-on

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About This Item

Empirische Formel (Hill-System):
C21H34O2
CAS-Nummer:
516-54-1
Molekulargewicht:
318.49
Beilstein:
3211363
MDL-Nummer:
MFCD00003677
UNSPSC-Code:
12352200

Assay

≥98.0% (TLC)

Löslichkeit

chloroform: 20 mg/mL, clear, colorless

SMILES String

[H][C@@]12CC[C@@]3([H])[C@]4([H])CC[C@H](C(C)=O)[C@@]4(C)CC[C@]3([H])[C@@]1(C)CC[C@@H](O)C2

InChI

1S/C21H34O2/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/h14-19,23H,4-12H2,1-3H3/t14-,15+,16-,17+,18-,19-,20-,21+/m0/s1

InChIKey

AURFZBICLPNKBZ-SYBPFIFISA-N

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Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

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Analysenzertifikate (COA)

Lot/Batch Number
387326/1
385298/1
369639/1
1200561
376108/1

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Jane Evans et al.
Neuropharmacology, 63(8), 1315-1326 (2012-09-04)
Chronic stress has been implicated as a causal factor in depression and anxiety, and is associated with neuroendocrine dysfunction and impaired hippocampal neurogenesis. The neurosteroid allopregnanolone (3α,5α-THP; ALLO) has been shown to be reduced in depressed patients. ALLO is "stress
Barbora Slavíková et al.
Journal of medicinal chemistry, 56(6), 2323-2336 (2013-02-21)
(25R)-3β-Hydroxy-5α-spirostan-12-one (hecogenin) and 11α-hydroxypregn-4-ene-3,20-dione (11α-hydroxyprogesterone) were used as starting materials for the synthesis of a series of 11- and 12-substituted derivatives of 5ξ-pregnanolone (3α-hydroxy-5α-pregnan-20-one and 3α-hydroxy-5β-pregnan-20-one), the principal neurosteroid acting via γ-aminobutyric acid (GABA). These analogues were designed to study
Sara K Bengtsson et al.
Current Alzheimer research, 10(1), 38-47 (2012-11-20)
Previously, we have shown that chronic treatment with allopregnanolone (ALLO) for three months impaired learning function in the Swe/PS1 mouse model. ALLO is a neurosteroid, produced in the CNS and a GABAA receptor agonist. ALLO modulates the general inhibitory system
Samuel O Adeosun et al.
PloS one, 7(11), e50040-e50040 (2012-12-05)
Restorative/protective therapies to restore dopamine neurons in the substantia nigra pars compacta (SNpc) are greatly needed to effectively change the debilitating course of Parkinson's disease. In this study, we tested the therapeutic potential of a neurogenic neurosteroid, allopregnanolone, in the
Cristina Suñol et al.
Journal of medicinal chemistry, 49(11), 3225-3234 (2006-05-26)
A GABA(A) receptor study of several B-nor analogues of allopregnanolone and pregnanolone has been carried out. B-norallopregnanolone (i.e., 3alpha-hydroxy-7-nor-5alpha-pregnan-20-one) was found comparable to allopregnanolone when measured with labeled TBPS. Analogous results were obtained from their effect on neurons in culture:
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