Oral Steroid

Mk 677

CAS 159752-10-0
Formula C₂₇H₃₆N₄O₅S
Half-life 24 hours (oral)

Chemical Identity

CAS Number	`159752-10-0`
IUPAC Name	2-amino-2-methyl-N-[(2R)-1-[methyl-[(2R)-1-(1-methanesulfonylspiro[2,3-dihydroindole-3,4'-piperidine]-1'-yl)-1-oxo-3-phenylmethoxypropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]propanamide
Molecular Formula	C₂₇H₃₆N₄O₅S
Molecular Weight	528.66 g/mol
SMILES	`CC(C)(N)C(=O)N[C@H](C(=O)N(C)[C@@H](COCC1=CC=CC=C1)C(=O)N2CCC3(CC2)C(N(C4=CC=CC=C34)S(C)(=O)=O))CC5=CC=CC=C5`
InChIKey	`XBWOXCUWQMFQQV-HNZIOWRTSA-N`
Melting Point	153-155 °C
Solubility	Soluble in DMSO, ethanol; poorly soluble in water
Half-life	24 hours (oral)

Pharmacological Profile

Aromatisation	None
Hepatotoxicity	Low

Known trade names

Ibutamoren
MK-677
Nutrobal

External references

PubChem CID 9918102
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.