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5-alpha-Dihydroprogesterone MeSH Descriptor Data 2022


MeSH Heading
5-alpha-Dihydroprogesterone
Tree Number(s)
D04.210.500.745.558.075
D06.472.334.851.687.750.070
Unique ID
D043582
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D043582
Scope Note
A biologically active 5-alpha-reduced metabolite of plasma PROGESTERONE. It is the immediate precursor of 5-alpha-pregnan-3-alpha-ol-20-one (ALLOPREGNANOLONE), a neuroactive steroid that binds with GABA(A) RECEPTOR.
Entry Term(s)
3,20-Allopregnanedione
3,20-Allopregnanedione, (5alpha)-Isomer
3,20-Allopregnanedione, (5beta,13alpha,17alpha)-Isomer
5 alpha-Dihydroprogesterone
5 alpha-Pregnane-3,20-dione
5 beta-Pregnane-3,20-dione
5-alpha-Pregnane-3,20-dione
5-alpha-Pregnanedione
5-beta-Dihydroprogesterone
5alpha-DHP
5alpha-Pregnane-3,20-dione
5beta-DHP
Registry Number
98G4S1OH0Z
Related Numbers
51154-67-7
566-65-4
7350-00-7
Previous Indexing
Dihydroprogesterone (1976-2003)
Progesterone (1974-2003)
Public MeSH Note
2004; 3,20-ALLOPREGNANEDIONE was indexed under PREGNANEDIONES (NM) 1971-2003
History Note
2004; for 3,20-ALLOPREGNANEDIONE use PREGNANEDIONES (NM) 1971-2003
Date Established
2004/01/01
Date of Entry
2003/07/09
Revision Date
2016/05/27
5-alpha-Dihydroprogesterone Preferred
5-beta-Dihydroprogesterone Related
3,20-Allopregnanedione, (5beta,13alpha,17alpha)-Isomer Related
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