Last modified: Tue Jul 6 11:13:19 BST 2004

Steroid carbon nomenclature

Trivial name: 2ß-Hydroxytestosterone
Systematic name: 2ß,17ß-Dihydroxyandrost-4-en-3-one
Molecular formula: C19H28O3
CAS Number: 10390-14-4

Product [1]

Pathway: Testosterone -> 2ß-Hydroxytestosterone
Reaction: steroid 2ß-hydroxylation at C2
Enzyme: steroid 2ß-hydroxylase, CYP3A


  1. Waxman, D.J., Lapenson, D.P., Aoyama, T., Gelboin, H.V., Gonzalez, F.J. and Korzekwa, K. (1991) Steroid hormone hydroxylase specificities of eleven cDNA-expressed human cytochrome P450s. Arch. Biochem. Biophys. 290, 160-166.

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