A 3-oxo steroid that has alpha configuration at position 5.
| Member | Definition | Role |
|---|
| 5-alpha-dihydroprogesterone | A C21-steroid hormone that is 5alpha-pregnane substituted by oxo groups at positions 3 and 20. It is a metabolite of progestrone. | 5alpha-pregnane-3,20-dione |
| 5-dihydrocorticosterone | | 5alpha-dihydrocorticosterone |
| androstane-3,17-dione, (5alpha)-isomer | The 5alpha-stereoisomer of androstane-3,17-dione. | 5alpha-androstane-3,17-dione |
| cycloeucalenone | A pentacyclic triterpenoid that is 4alpha,14-dimethyl-9beta,19-cyclo-5alpha-ergost-24(28)-ene which is substituted by an oxo group at position 3. It has been isolated from several plant species including Quercus variabilis, Ammocharis coranica, Solanum cernuum and Tinospora crispa. | cycloeucalenone |
| dafachronic acid | A cholestanoid that is (5alpha)-cholestan-26-oic acid in which the hydrogens at position 3 are replaced by an oxo group. | (5alpha)-3-oxocholestan-26-oic acid |
| dihydrotestosterone | A 17beta-hydroxy steroid that is testosterone in which the 4,5 double bond has been reduced to a single bond with alpha-configuration at position 5. | 17beta-hydroxy-5alpha-androstan-3-one |
| dihydrotestosterone glucuronide | A steroid glucosiduronic acid that is 5alpha-dihydrotestosterone having a single beta-D-glucuronic acid residue attached at position 17. | 5alpha-dihydrotestosterone 17-O-(beta-D-glucuronide) |
| dromostanolone | | metholone |
| dromostanolone propionate | | dromostanolone propionate |
| mestanolone | | Mestanolone |
| mesterolone | | mesterolone |
| stanolone benzoate | | Stanolone benzoate |