A metabolite of TESTOSTERONE or ANDROSTENEDIONE with a 3-alpha-hydroxyl group and without the double bond. The 3-beta hydroxyl isomer is epiandrosterone.

Synonyms: 8TR252Z538, 5 alpha Androstan 3 alpha ol 17 one, 5 alpha-Androstan-3 alpha-ol-17-one, C24W7J5D5R, 3-alpha-Hydroxy-5-alpha-Androstan-17-One, 3 alpha Hydroxy 5 alpha Androstan 17 One, Androsterone, Androstan-17-one, 3-hydroxy-, (3alpha,5alpha)-, Epiandrosterone