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Key Documents

N3136

Sigma-Aldrich

Naltrexone hydrochloride

≥99% (HPLC), powder, opioid receptor antagonist

Synonym(s):

Naltrexone HCl

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About This Item

Empirical Formula (Hill Notation):
C20H23NO4 · HCl
CAS Number:
Molecular Weight:
377.86
Beilstein:
3580333
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77

product name

Naltrexone hydrochloride,

form

powder

Quality Level

originator

Novartis

storage temp.

2-8°C

SMILES string

Cl.Oc1ccc2C[C@H]3N(CC[C@@]45[C@@H](Oc1c24)C(=O)CC[C@@]35O)CC6CC6

InChI

1S/C20H23NO4.ClH/c22-13-4-3-12-9-15-20(24)6-5-14(23)18-19(20,16(12)17(13)25-18)7-8-21(15)10-11-1-2-11;/h3-4,11,15,18,22,24H,1-2,5-10H2;1H/t15-,18+,19+,20-;/m1./s1

InChI key

RHBRMCOKKKZVRY-ITLPAZOVSA-N

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Application

Naltrexone hydrochloride has been used:
  • as an opioid antagonist, to analyse its effect on ethanol preference using Caenorhabditis elegans as a model
  • to determine its effectiveness in reducing the preference for substance of abuse (SOA) like nicotine and cocaine using Caenorhabditis elegans as a model
  • in the preparation of combinatorial drug, PXT3003 for treating Charcot-Marie-Tooth disease 1A (CMT1A) transgenic rat model Pmp22

Biochem/physiol Actions

Competitive antagonist for μ, κ, δ, and σ-opioid receptors; has greater oral efficacy and longer duration of action than naloxone.

Features and Benefits

This compound is featured on the Opioid Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Novartis. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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