U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ABSOLUTE
Molecular Formula C21H32O2
Molecular Weight 316.4776
Optical Activity UNSPECIFIED
Defined Stereocenters 7 / 7
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of 3,20-ALLOPREGNANEDIONE

SMILES

CC(=O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C

InChI

InChIKey=XMRPGKVKISIQBV-BJMCWZGWSA-N
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/h14,16-19H,4-12H2,1-3H3/t14-,16-,17+,18-,19-,20-,21+/m0/s1

HIDE SMILES / InChI

Molecular Formula C21H32O2
Molecular Weight 316.4776
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 7 / 7
E/Z Centers 0
Optical Activity UNSPECIFIED

Approval Year

PubMed

PubMed

TitleDatePubMed
Progestin effects on expression of AKR1C1-AKR1C3, SRD5A1 and PGR in the Z-12 endometriotic epithelial cell line.
2013-02-25
The evolution of farnesoid X, vitamin D, and pregnane X receptors: insights from the green-spotted pufferfish (Tetraodon nigriviridis) and other non-mammalian species.
2011-02-03
Biotransformation of progesterone by cultured cells of Marchantia polymorpha.
2010-12-09
Expanding the use of fluorogenic enzyme reporter substrates to imaging metabolic flux changes: the activity measurement of 5α-steroid reductase in intact mammalian cells.
2010-11-19
Non-stereo-selective cytosolic human brain tissue 3-ketosteroid reductase is refractory to inhibition by AKR1C inhibitors.
2010-11
Fecal steroid metabolites and reproductive monitoring in a female Tsushima leopard cat (Prionailurus bengalensis euptilurus).
2010-11
Cellular and functional evidence for a protective action of neurosteroids against vincristine chemotherapy-induced painful neuropathy.
2010-09
A role for Src kinase in progestin facilitation of estrous behavior in estradiol-primed female rats.
2010-07
Corticosteroid and neurosteroid dysregulation in an animal model of autism, BTBR mice.
2010-06-01
Aldo-keto reductase 1C3 expression in MCF-7 cells reveals roles in steroid hormone and prostaglandin metabolism that may explain its over-expression in breast cancer.
2010-02-15
Opposing actions of the progesterone metabolites, 5alpha-dihydroprogesterone (5alphaP) and 3alpha-dihydroprogesterone (3alphaHP) on mitosis, apoptosis, and expression of Bcl-2, Bax and p21 in human breast cell lines.
2010-01
Immunohistochemical localization and biological activity of 3beta-hydroxysteroid dehydrogenase and 5alpha-reductase in the brain of the frog, Rana esculenta, during development.
2010-01
Gene expression profiles of intracellular and membrane progesterone receptor isoforms in the mediobasal hypothalamus during pro-oestrus.
2009-12
Estrogen increases latencies to seizures and levels of 5alpha-pregnan-3alpha-ol-20-one in hippocampus of wild-type, but not 5alpha-reductase knockout, mice.
2009-11
Detection and identification of plasma progesterone metabolites in the female Florida manatee (Trichechus manatus latirostris) using GC/MS/MS.
2009-08
The vicious cycle towards violence: focus on the negative feedback mechanisms of brain serotonin neurotransmission.
2009
Role of progesterone receptor isoforms in female sexual behavior induced by progestins in rats.
2009
GABA(A) receptor properties in catastrophic infantile epilepsy.
2008-10
The anti-aromatase effect of progesterone and of its natural metabolites 20alpha- and 5alpha-dihydroprogesterone in the MCF-7aro breast cancer cell line.
2008-08-30
The crystal structure of human Delta4-3-ketosteroid 5beta-reductase defines the functional role of the residues of the catalytic tetrad in the steroid double bond reduction mechanism.
2008-08-12
Progesterone metabolism in bovine endometrial cells and the effect of metabolites on the responsiveness of the cells to OT-stimulation of PGF2alpha.
2007-11
Steroid profiling in brain and plasma of male and pseudopregnant female rats after traumatic brain injury: analysis by gas chromatography/mass spectrometry.
2007-05
Studies on neurosteroids XIX. Development and validation of liquid chromatography-tandem mass spectrometric method for determination of 5alpha-reduced pregnane-type neurosteroids in rat brain and serum.
2007-04-01
Effects of progesterone and its reduced metabolites, dihydroprogesterone and tetrahydroprogesterone, on the expression and phosphorylation of glycogen synthase kinase-3 and the microtubule-associated protein tau in the rat cerebellum.
2007-03
The impact of ecological variability on the reproductive endocrinology of wild female African elephants.
2007-03
Regulation of estrogen receptor (ER) levels in MCF-7 cells by progesterone metabolites.
2007-02-15
Regulation of vascular tone during pregnancy: a novel role for the pregnane X receptor.
2007-02
The anticonvulsant effects of allopregnanolone against amygdala-kindled seizures in female rats.
2007-01-10
In silico prediction of pregnane X receptor activators by machine learning approaches.
2007-01
Progesterone derivatives increase expression of Krox-20 and Sox-10 in rat Schwann cells.
2007
Decreased cerebrospinal fluid allopregnanolone levels in women with posttraumatic stress disorder.
2006-10-01
Progesterone and its metabolites 5-dihydroprogesterone and 5-3-tetrahydroprogesterone decrease LPS-induced NO release in the murine microglial cell line, BV-2.
2006-10
Circulating levels of pregnanolone isomers during the third trimester of human pregnancy.
2006-09-27
Dutasteride affects progesterone metabolizing enzyme activity/expression in human breast cell lines resulting in suppression of cell proliferation and detachment.
2006-08
Reduced metabolites mediate neuroprotective effects of progesterone in the adult rat hippocampus. The synthetic progestin medroxyprogesterone acetate (Provera) is not neuroprotective.
2006-08
The anticonvulsant effects of progesterone and its metabolites on amygdala-kindled seizures in male rats.
2006-07-26
Influence of ginsenoside Rb1 on brain neurosteroid during acute immobilization stress.
2006-07
[Steroid 5alpha-reductase deficiency].
2006-06-28
Comparative non-radioactive RT-PCR assay: an approach to study the neurosteroids biosynthetic pathway in humans.
2006-06-15
A possible role for progesterone metabolites in human parturition.
2006-04
Injury elicited increase in spinal cord neurosteroid content analyzed by gas chromatography mass spectrometry.
2006-04
[Transcriptional regulation of placental transforming growth factor-beta by calcitriol in prostate cancer cells is androgen-independent].
2006-03-10
Testicular zinc finger protein recruits histone deacetylase 2 and suppresses the transactivation function and intranuclear foci formation of agonist-bound androgen receptor competitively with TIF2.
2006-03-09
Roles of type 10 17beta-hydroxysteroid dehydrogenase in intracrinology and metabolism of isoleucine and fatty acids.
2006-03
Influence of mirtazapine on plasma concentrations of neuroactive steroids in major depression and on 3alpha-hydroxysteroid dehydrogenase activity.
2006-03
Identification of neuroactive steroids and their precursors and metabolites in adult male rat brain.
2006-01
The anxiolytic etifoxine activates the peripheral benzodiazepine receptor and increases the neurosteroid levels in rat brain.
2005-12
3alpha-reduced neuroactive steroids and their precursors during pregnancy and the postpartum period.
2005-11
Placentation in the African elephant, Loxodonta africana. IV. Growth and function of the fetal gonads.
2005-11
Reproductive hormonal treatments for mood disorders in women.
2002-06
Patents

Patents

Substance Class Chemical
Created
by admin
on Mon Mar 31 19:08:41 GMT 2025
Edited
by admin
on Mon Mar 31 19:08:41 GMT 2025
Record UNII
98G4S1OH0Z
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
3,20-ALLOPREGNANEDIONE
MI  
Common Name English
NSC-18319
Preferred Name English
(5.ALPHA.)-PREGNANE-3,20-DIONE
Systematic Name English
5-ALPHA-DIHYDROPROGESTERONE
Common Name English
3,20-ALLOPREGNANEDIONE [MI]
Common Name English
Code System Code Type Description
MERCK INDEX
m1534
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY Merck Index
WIKIPEDIA
5?-Dihydroprogesterone
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
FDA UNII
98G4S1OH0Z
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
CAS
566-65-4
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
PUBCHEM
92810
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
NSC
18319
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
ECHA (EC/EINECS)
209-297-3
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
CHEBI
28952
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY
EPA CompTox
DTXSID301017277
Created by admin on Mon Mar 31 19:08:41 GMT 2025 , Edited by admin on Mon Mar 31 19:08:41 GMT 2025
PRIMARY