Naltrexone methylbromide Impurity E

溴甲纳曲酮杂质E

Also known as: Methylnaltrexone Bromide Impurity E, (3R,4S,4aR,7aS,12bR)-3-(cyclopropylmethyl)-4a-hydroxy-9-methoxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium bromide, (3S,4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-9-methoxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium bromide

Naltrexone methylbromide Impurity E (CAS 1240379-57-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H28BrNO4 and a molecular weight of 450.373 g/mol. It is also known as Methylnaltrexone Bromide Impurity E, (3R,4S,4aR,7aS,12bR)-3-(cyclopropylmethyl)-4a-hydroxy-9-methoxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium bromide and (3S,4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a-hydroxy-9-methoxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium bromide. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1240379-57-0

Jingsj CID

J-1389801-0

Molecular Formula

C₂₂H₂₈BrNO₄

Chinese Name

溴甲纳曲酮杂质E

Molecular Weight

450.373 g/mol

Category

Ketones

Last updated

8/21/2026