methylnaltrexone

CAS NO.：83387-25-1
Empirical Formula: C21H26NO4+
Molecular Weight: 356.43544
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-11 16:31:51

What is methylnaltrexone?

Definition

ChEBI: Methylnaltrexone is a member of phenanthrenes.

General Description

Methylnaltrexone (Relistor) is the methylated, quaternaryform of naltrexone . The permanently chargednitrogen prevents the drug from crossing the blood-brainbarrier. Thus, it only acts as an antagonist at peripheralopioid receptors. Relistor was approved in April 2008 totreat opioid-induced constipation in patients receiving palliativecare. It is administered as a SC injection once everyother day.

Safety information for methylnaltrexone

New Products

2-Bromo-4-hydroxypyridine Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) Dibenzo[b,f][1,4]thiazepin-11(10H)-one 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One Cis-Tosylate 1-(4-methoxyphenyl)-4-(4-Nitrophenyl)Piperazine (IT-1) 2'-Fluoroacetophenone 1-aminocyclobutanecarbonitrile hydrochloride AMINO-O-TOLYL-ACETIC ACID N-Methyl-2-amino-2-methylpropionamide 4-(FMOC-AMINO)-TETRAHYDROPYRAN-4-CARBOXYLIC ACID 1-Aminocyclobutanecarboxylic Acid Hydrochloride METHANOL-D1(OD) TERTIARY BUTANOL-D9 N-ETHYL-D5-AMINE HYDROCHLORIDE BENZOIC ACID-D CHLOROFORM-D TOLUENE-D3 2-(2-Bromophenyl)ethanol Boc-D-Glu(OMe)-OMe 2,5 Dibromopyridine Ethyl 4-hydroxy-3-oxobutanoate Dimethyl (2S)-2-((tert-butoxycarbonyl)amino)-4-(cyanomethyl)pentanedioate 1-(3-Chlorophenyl)piperazine hydrochloride

Related products of tetrahydrofuran

Naltrexone