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Substance Name: Epitestosterone
RN: 481-30-1
UNII: 48L726977Z
InChIKey: MUMGGOZAMZWBJJ-KZYORJDKSA-N

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.

Molecular Formula

  • C19-H28-O2

Molecular Weight

  • 288.4282
 

Classification Codes

  • Hormone
  • Reproductive Effect
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Names and Synonyms

Name of Substance

  • Epitestosterone

MeSH Heading

  • Epitestosterone

Synonyms

  • (17-alpha)-17-Hydroxyandrost-4-en-3-one
  • 17-alpha-Hydroxyandrost-4-en-3-one
  • 17-alpha-Testosterone
  • 17-Epitestosterone
  • 17alpha-cis-Testosterone
  • 17alpha-Hydroxyandrost-4-en-3-one
  • 17alpha-Testosterone
  • BRN 1915396
  • cis-Testosterone
  • Epitestosterone
  • Isotestosterone
  • NSC 26499
  • UNII-48L726977Z

Systematic Names

  • Androst-4-en-3-one, 17-alpha-hydroxy-
  • Androst-4-en-3-one, 17-hydroxy-, (17-alpha)-
  • Androst-4-en-3-one, 17-hydroxy-, (17alpha)-
  • Androst-4-en-3-one, 17alpha-hydroxy- (8CI)

Registry Numbers

CAS Registry Number

  • 481-30-1

FDA UNII

  • 48L726977Z

System Generated Number

  • 0000481301

Structure Descriptors

InChI

1S/C19H28O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h11,14-17,21H,3-10H2,1-2H3/t14-,15-,16-,17+,18-,19-/m0/s1

InChIKey

MUMGGOZAMZWBJJ-KZYORJDKSA-N

Smiles

C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@H]2O)CCC4=CC(=O)CC[C@]34C