Clostebol

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Clostebol
Clostebol.png
Systematic (IUPAC) name
(8S,9S,10R,13S,14S,17S)-4-Chloro-17-hydroxy-10,13-dimethyl- 1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
Legal status
Legal status
Identifiers
CAS Number 1093-58-9
ATC code none
PubChem CID 68947
DrugBank DB01521 YesY
ChemSpider 62171 YesY
UNII Z7D4G976SH YesY
KEGG D07731 YesY
ChEMBL CHEMBL2106571
Chemical data
Formula C19H27ClO2
Molar mass 322.869 g/mol
  (verify)

Clostebol (INN) (brand names Steranabol, Test-Anabol), also known as 4-chlorotestosterone, usually as the ester clostebol acetate, is a synthetic anabolic androgenic steroid. Clostebol is the 4-chloro derivative of the natural hormone testosterone. The chlorination prevents conversion to dihydrotestosterone (DHT) while also rendering the chemical incapable of conversion to estrogen.[citation needed]

It is a weak anabolic steroid which was used as a performance enhancing drug. It is currently banned by the World Anti-Doping Agency.[1] It was used by athletes from the East Germany.[2]

Use of clostebol has led to the suspension of a number of atheletes in various sports including Freddy Galvis of the Philadelphia Phillies in 2012[3] and Dee Gordon of the Miami Marlins in 2016.[4]

See also[edit]

References[edit]