Drostanolone propionate

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Drostanolone propionate
Systematic (IUPAC) name
(2R,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-2,10,13-trimethyl-1,2,4,5,6,7,8,9,

11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one

Identifiers
CAS number 58-19-5
ATC code A14
PubChem 6011
Chemical data
Formula C23H36O3 
Mol. mass 360.53 g/mol
SMILES eMolecules & PubChem
Pharmacokinetic data
Bioavailability Oral 0-2%, Intramuscular 100%
Protein binding highly
Metabolism hepatic
Half life  ?
Excretion renal
Therapeutic considerations
Pregnancy cat.

X

Legal status

Schedule IV(CA) Schedule III(US)

Routes Intramuscular injection or transdermal cream

Drostanolone (trade name Masteron) is an anabolic/androgenic steroid. It is known to be highly androgenic and mildly anabolic. It is incapable of aromatization and has similar properties to dihydrotestosterone. It has been successfully used as a breast cancer drug but because of the high risk of virilization safer options are prescribed.

[edit] Use in sports

Masteron is used primarily by athletes who need to retain strength while losing mass. It is beneficial to runners and athletes who must remain in a certain weight class. It has gained popularity in the bodybuilding community as a diuretic and muscle defining drug.

[edit] Trivia

Ultimate Fighting Championship athlete Hermes Franca tested positive for use of Drostanolone following his July 7th 2007 lightweight championship bout against title holder Sean Sherk.

[edit] References

http://www.mmaweekly.com/absolutenm/templates/dailynews.asp?articleid=4359&zoneid=13 See it was Sherk

  • Eur J Cancer Clin Oncol. 1983 Sep;19(9):1231-7.
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  • Sem Hop. 1982 Sep 23;58(34):1919-23.