SARM

Yk 11

  • CAS 431579-34-9
  • Formula C25H34O6
  • Half-life 6-10 hours (oral)
  • Detection 2-3 weeks
Chemical structure of Yk 11
PubChem CID 25229801 ↗

Chemical Identity

CAS Number 431579-34-9
IUPAC Name methyl (2E)-2-[(5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-3-oxo-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-3-methoxyprop-2-enoate
Molecular Formula C25H34O6
Molecular Weight 430.54 g/mol
SMILES COC=C(C(=O)OC)[C@]1(O)CC[C@@H]2[C@H]3CC[C@@H]4CC(=O)CC[C@]4(C)[C@@H]3CC[C@@]12C
InChIKey KGFUAIPJJCMYOF-UDMDCWFCSA-N
Melting Point 170-174 °C
Solubility Soluble in DMSO, ethanol; insoluble in water
Half-life 6-10 hours (oral)

Pharmacological Profile

Anabolic Rating N/A (myostatin inhibitor)
Androgenic Rating N/A (partial AR agonist)
Aromatisation None
Hepatotoxicity Moderate
Detection Window 2-3 weeks

Known trade names

  • YK-11
  • YK11

External references

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