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H5002

Sigma-Aldrich

17α-Hydroxypregnenolone

Sinónimos:

3β,17α-Dihydroxy-5-pregnen-20-one, 5-Pregnene-3β,17α-diol-20-one

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About This Item

Fórmula empírica (notación de Hill):
C21H32O3
Número de CAS:
387-79-1
Peso molecular:
332.48
EC Number:
206-862-6
MDL number:
MFCD00021129
UNSPSC Code:
41116107
PubChem Substance ID:
24895665
NACRES:
NA.77

Quality Level

100

SMILES string

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

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/h4,15-18,23-24H,5-12H2,1-3H3

InChI key

JERGUCIJOXJXHF-UHFFFAOYSA-N

General description

17α-hydroxypregnenolone is a derived from pregnenolone.

Application

17α-hydroxypregnenolone has been used as a substrate for the enzyme 3β‐hydroxysteroid dehydrogenase (3β‐HSD) expressed in COS1 cells.

Biochem/physiol Actions

17α-hydroxypregnenolone acts as a precursor for cortisol and sex steroids.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Kazuyoshi Tsutsui et al.
Annals of the New York Academy of Sciences, 1163, 308-315 (2009-05-22)
It is now clearly established that steroids can be synthesized de novo by the brain and the peripheral nervous systems. Such steroids are called neurosteroids, and de novo neurosteroidogenesis from cholesterol is a conserved property of vertebrate brains. Our studies
Akihiro Takemura et al.
General and comparative endocrinology, 175(1), 173-179 (2011-12-03)
Most wrasse species in tropical waters exhibit daily spawning synchrony with a preference for high tide. Fish perceive tidal rhythm cues through sensory organs and activate the brain-pituitary-gonadal endocrine axis for synchronous gonadal maturation, although how the tidal-related spawning cycle
Sung Mee Kim et al.
Clinical and experimental reproductive medicine, 42(2), 72-76 (2015-07-15)
17α-hydroxylase and 17,20-lyase are enzymes encoded by the CYP17A1 gene and are required for the synthesis of sex steroids and cortisol. In 17α-hydroxylase deficiency, there are low blood levels of estrogens, androgens, and cortisol, and resultant compensatory increases in adrenocorticotrophic
Two novel HSD3B2 missense mutations with diverse residual enzymatic activities for Delta 5-steroids
TakasawaK, et al.
Clin. Endocrinol., 80(6), 782-789 (2014)
Toshiro Niwa et al.
Biological & pharmaceutical bulletin, 35(9), 1594-1597 (2012-09-15)
The effects of 21-hydroxypregnenolone and related steroids such as deoxycorticosterone (DOC; 21-hydroxyprogesterone), cortisol, and corticosterone on progesterone 17α-hydroxylase activity by steroidogenic cytochrome P450 c17 (CYP17) were investigated. 21-Hydroxypregnenolone contains a hydroxyl group at C3 in the A cyclic hydrocarbon ring
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