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Epitestosterone MeSH Descriptor Data 2026


MeSH Heading
Epitestosterone
Tree Number(s)
D04.210.500.054.079.429.824.275
D06.472.334.851.968.984.500
Unique ID
D004845
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D004845
Scope Note
The 17-alpha isomer of TESTOSTERONE, derived from PREGNENOLONE via the delta5-steroid pathway, and via 5-androstene-3-beta,17-alpha-diol. Epitestosterone acts as an antiandrogen in various target tissues. The ratio between testosterone/epitestosterone is used to monitor anabolic drug abuse.
Entry Term(s)
17-alpha-Testosterone
Registry Numbers
481-30-1
CAS Type 1 Name
Androst-4-en-3-one, 17-hydroxy-, (17alpha)-
Previous Indexing
Testosterone (1969-1974)
Public MeSH Note
91; was see under TESTOSTERONE 1975-90
History Note
91(75); was see under TESTOSTERONE 1975-90
Date Introduced
1991/01/01
Last Updated
2016/05/31
Epitestosterone Preferred
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