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17-alpha-Hydroxypregnenolone MeSH Descriptor Data 2024


MeSH Heading
17-alpha-Hydroxypregnenolone
Tree Number(s)
D04.210.500.745.745.725.395
D06.472.040.585.745.500
D06.472.334.851.687.500.500
Unique ID
D006907
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006907
Scope Note
A 21-carbon steroid that is converted from PREGNENOLONE by STEROID 17-ALPHA-HYDROXYLASE. It is an intermediate in the delta-5 pathway of biosynthesis of GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.
Entry Term(s)
17 alpha-Hydroxypregnenolone
17-Hydroxypregnenolone
17-Hydroxypregnenolone, (3alpha)-Isomer
17-Hydroxypregnenolone, (3beta,13alpha)-Isomer
17-Hydroxypregnenolone, (3beta,13alpha,17alpha)-Isomer
17-Hydroxypregnenolone, (3beta,17alpha)-Isomer
17alpha-Hydroxypregnenolone
Hydroxypregnenolone
Registry Number
387-79-1
Related Numbers
1887-95-2
19454-90-1
33999-90-5
33999-97-2
CAS Type 1 Name
Pregn-5-en-20-one, 3,17-dihydroxy-, (3beta)-
Public MeSH Note
2004; see HYDROXYPREGNENOLONE 1972-2003; 17-HYDROXYPREGNENOLONE was indexed under HYDROXYPREGNENOLONE (NM) 1981-2003
History Note
2004 (1964); for 17-HYDROXYPREGNENOLONE use HYDROXYPREGNENOLONE (NM) 1981-2003
Date Established
1972/01/01
Date of Entry
1999/01/01
Revision Date
2016/05/27
17-alpha-Hydroxypregnenolone Preferred
17-Hydroxypregnenolone, (3beta,13alpha,17alpha)-Isomer Narrower
17-Hydroxypregnenolone, (3alpha)-Isomer Related
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