Clostebol propionate (brand name Yonchlon), also known as 4-chlorotestosterone 17β-propionate or as 4-chloroandrost-4-en-17β-ol-3-one 17β-propionate, is a synthetic, injected anabolic-androgenic steroid (AAS) and a derivative of testosterone.[1][2] It is an androgen ester – specifically, the C17β propionate ester of clostebol (4-chlorotestosterone) – and acts as a prodrug of clostebol in the body.[1][additional citation(s) needed] Clostebol acetate is administered via intramuscular injection.[2]
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Trade names | Yonchlon |
Routes of administration | Intramuscular injection |
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Formula | C22H31ClO3 |
Molar mass | 378.94 g·mol−1 |
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