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SML2956

Sigma-Aldrich

Nalmefene Hydrochloride

≥98% (HPLC)

Synonym(s):

(5a)-17-(Cyclopropylmethyl)-4,5-epoxy-6-methylene-morphinan-3,14-diol hydrochloride, NIH 1036, Nalmefene HCl

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About This Item

Empirical Formula (Hill Notation):
C21H25NO3·HCl
CAS Number:
Molecular Weight:
375.89
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

2-8°C

SMILES string

C=C1CC[C@@]2(O)[C@H]3CC4=C5[C@@]2(CCN3CC6CC6)[C@H]1OC5=C(C=C4)O.Cl

InChI

1S/C21H25NO3.ClH/c1-12-6-7-21(24)16-10-14-4-5-15(23)18-17(14)20(21,19(12)25-18)8-9-22(16)11-13-2-3-13;/h4-5,13,16,19,23-24H,1-3,6-11H2;1H/t16-,19+,20+,21-;/m1./s1

InChI key

GYWMRGWFQPSQLK-OPHZJPRHSA-N

Biochem/physiol Actions

Nalmefene hydrochloride, a naltrexone analogue, is an inverse agonist at the μ-opioid receptor (MOR) and as a weak partial agonist at the κ-opioid receptor. Nalmefene hydrochloride is used as treatment for addiction.

pictograms

Skull and crossbonesEnvironment

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Chronic 1 - STOT SE 3

target_organs

Central nervous system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Bernadett I Gál et al.
Frontiers in pharmacology, 10, 1087-1087 (2019-10-16)
Nalmefene is approved for as-needed pharmacological treatment in alcohol use disorder (AUD) by the European Medicines Agency. While the cellular effects of nalmefene have been thoroughly investigated, data are very limited on how this agent influences neural signals associated with
Karl Mann et al.
European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology, 26(12), 1941-1949 (2016-11-16)
Nalmefene, a mu- and delta-opioid receptor (MOR, DOR) antagonist and a partial kappa-opioid receptor (KOR) agonist, is approved in the European Union and other countries for the reduction of alcohol consumption in alcohol dependent patients with a high drinking risk

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