Compounds / Anabolic / Drostanolone Propionate

Drostanolone Propionate

Drostanolone Propionate (Masteron — DHT-Derived Anabolic Steroid)
AnabolicFDA: Previously FDA-approved breast cancer...WADA: PROHIBITED — Category S1

Overview

FDA-approved historically for inoperable breast cancer in women (withdrawn — replaced by better options). Limited modern human research. Anti-estrogenic mechanism studied in hormone-sensitive cancer context.

Mechanism of Action

2α-methyl DHT derivative. Does not aromatize (DHT-based). Anti-estrogenic properties via competitive aromatase binding. Moderate anabolic, moderate androgenic. Originally developed as breast cancer treatment — antiestrogen properties studied in ER+ breast cancer.

Molecular Profile

Molecular weight
360.5 Da
CAS number
521-12-0

Key Research Findings

No aromatization; anti-estrogenic; DHT derivative; FDA-approved historical breast cancer; limited modern human data.

Published Research

Eur J Cancer (1977)
Trams G. Effect of drostanolone propionate on binding of oestradiol and dihydrotestosterone by target tissues
View source

Related Anabolic Compounds

Testosterone CypionateTestosterone EnanthateTestosterone PropionateTestosterone SuspensionSustanon (Testosterone Blend)Nandrolone Decanoate
Clinical Guidance

Research data is not a treatment plan. If you are considering Drostanolone Propionate, the questions that matter are whether it suits your history, your labs and your goals. That is a conversation with a licensed physician, not a lookup.

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