Methylnaltrexone Bromide… (CAS 916055-92-0)

Methylnaltrexone Bromide molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Methylnaltrexone Bromide (CAS 916055-92-0). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	916055-92-0
Molecular formula	C21H26BrNO4
Molecular weight	436.35 g/mol
IUPAC name	(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-3-methyl-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium-7-one bromide
Synonyms	Relistor · N-Methylnaltrexone Bromide · Naltrexone methobromide · MRZ-2663BR · MOA-728 · bromuro de metilnaltrexona

Safety & Hazards (GHS) Danger

Acute toxic

Environmental hazard

H301 Toxic if swallowed
H400 Very toxic to aquatic life

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	METHYLNALTREXONE BROMIDE, >=97% (HPLC)	SML0277-25MG SML0277-5MG	Request Quote
Sigma	METHYLNALTREXONE BROMIDE, UNITED STATES	1430735-100MG	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.