Antia Laboratories Inc.

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Ibutamoren (MK-677)

CAS Number:159752-10-0

Molecular Formula:  C27H36N4O5S.CH4O3S

Molecular Weight: 624.77

Chemical Name: (R)-2-amino-N-[2-(1,2-dihydro-1-(methylsulfonyl) [3H-indole-3,49-piperidin]-19yl]-2-oxo-1-[(phenylmethoxy)-methyl]ethyl-2-methylpropanamide-monomethane sulfonate

MK-677 is a novel orally-active growth hormone secretagogue.


1.Enantiomeric separation of the novel growth hormone secretagogue MK-0677 by capillary zone electrophoresis. Zhou et al.: Journal of Chromatography A, 773 (1997) 311–320

2.once daily dosing with MK-677, an orally active GH secretagogue, stimulates bone turnover in elderly subjects based on elevations in biochemical markers of bone resorption and formation. Murphy et al.: Journal of Bone and Mineral Research  14(1999),7,1182–1188

3.MK-0677 (ibutamoren mesylate) for the treatment of patients recovering from hip fracture: A multicenter, randomized, placebo-controlled phase IIb study. A. Adunsky et al.: Archives of Gerontology and Geriatrics 53 (2011) 183–189



The product is only for R&D purpose,not for human use.We will not take any responsibility for illegal use.