Ibutamoren

Also known as: MK-677, L 163191, MK-0677, L-163,191, 2-amino-2-methyl-N-[(2R)-1-(1-methylsulfonylspiro[2H-indole-3,4'-piperidine]-1'-yl)-1-oxo-3-phenylmethoxypropan-2-yl]propanamide, 2-Amino-N-[(1R)-2-[1,2-dihydro-1-(methylsulfonyl)spiro[3H-indole-3,4'-piperidin]-1'-yl]-2-oxo-1-[(phenylmethoxy)methyl]ethyl]-2-methylpropanamide, Propanamide, 2-amino-N-[(1R)-2-[1,2-dihydro-1-(methylsulfonyl)spiro[3H-indole-3,4'-piperidin]-1'-yl]-2-oxo-1-[(phenylmethoxy)methyl]ethyl]-2-methyl-, 1'-(2-methylalanyl-O-benzyl-D-seryl)-1-(methylsulfonyl)-1,2-dihydrospiro[indole-3,4'-piperidine], (R)-2-amino-N-(3-(benzyloxy)-1-(1-(methylsulfonyl)spiro[indoline-3,4'-piperidin]-1'-yl)-1-oxopropan-2-yl)-2-methylpropanamide

Ibutamoren (CAS 159634-47-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H36N4O5S and a molecular weight of 528.67300 g/mol. Key property: a density of 1.32g/cm3. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.

159634-47-6

Jingsj CID

J-1365212-5

Molecular Formula

C₂₇H₃₆N₄O₅S

Molecular Weight

528.67300 g/mol

Category

Organic Compounds

Last updated

11/2/2026