Oral Steroid

Methyldrostanolone

CAS 3381-88-2
Formula C₂₁H₃₄O₂
Half-life 8-12 hours (oral)
Detection 6-8 weeks

Chemical Identity

CAS Number	`3381-88-2`
IUPAC Name	(2R,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-2,10,13,17-tetramethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one
Molecular Formula	C₂₁H₃₄O₂
Molecular Weight	318.49 g/mol
SMILES	`C[C@]1(O)CC[C@@H]2[C@H]3CC[C@@H]4CC(=O)[C@@H](C)C[C@]4(C)[C@@H]3CC[C@@]12C`
InChIKey	`ABCYRJJFUXJLBF-UHFFFAOYSA-N`
Melting Point	223-225 °C
Solubility	Practically insoluble in water; soluble in ethanol, chloroform
Half-life	8-12 hours (oral)

Pharmacological Profile

Anabolic Rating	400
Androgenic Rating	20
Aromatisation	None
Hepatotoxicity	High
Detection Window	6-8 weeks

Known trade names

Superdrol
Methasterone
M-Drol

External references

PubChem CID 169011
PubMed clinical literature
Wikipedia overview

Data sourced from peer-reviewed pharmacological literature and authoritative chemical databases (PubChem, DrugBank, ChEBI). Provided for identification and research reference only — not medical advice.