Nalmefene

Name: Nalmefene
Brand: Vaqora Chemicals
SKU: VQ-038547

About Nalmefene

Listed under CAS 55096-26-9, Nalmefene is a high-purity reference standard of Nalmefene available from Vaqora Chemicals. With the molecular formula C21H25NO3, it has a molar mass of 339.4 g/mol. Alternative names: Nalmetrene and JKB-121.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Nalmefene, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Nalmefene in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Nalmefene

View every impurity, metabolite and intermediate we list for Nalmefene.

Nalmefene impurities

Specifications & identifiers

Chemical identifiers
Product name	Nalmefene
Catalogue No.	VQ-038547
CAS Number	55096-26-9
IUPAC name	(4R,4aS,7aS,12bS)-3-(cyclopropylmethyl)-7-methylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol
Molecular formula	C₂₁H₂₅NO₃
Molecular weight	339.4 g/mol
Exact mass	339.1834
Grade	Reference Standard
HSN code	38229090
InChIKey	WJBLNOPPDWQMCH-MBPVOVBZSA-N
SMILES	C=C1CC[C@]2([C@H]3CC4=C5[C@]2([C@H]1OC5=C(C=C4)O)CCN3CC6CC6)O
PubChem CID	5284594

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	2 / 4
TPSA	52.9 Å²
Synonyms	Nalmetrene, JKB-121, SRD-174, ORF 1167, ORF-1167, (5alpha)-17-(Cyclopropylmethyl)-4,5-epoxy-6-methylenemorphinon-3,14-diol, JF-1, 17-(Cyclopropylmethyl)-4,5alpha-epoxy-6-methylenemorphinan-3,14-diol, JF 1, Alcofene, Arthene, Cervene

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Nalmefene?

The CAS Registry Number of Nalmefene is 55096-26-9. It is also known as Nalmetrene, JKB-121, SRD-174.

What is the molecular formula and molecular weight of Nalmefene?

Nalmefene has the molecular formula C21H25NO3 and a molecular weight of 339.4 g/mol. Its IUPAC name is (4R,4aS,7aS,12bS)-3-(cyclopropylmethyl)-7-methylidene-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-4a,9-diol.

What is Nalmefene used for?

Nalmefene is supplied as a characterised reference material related to Nalmefene. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Nalmefene can I order?

We supply Nalmefene in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Nalmefene?

Yes. Every lot of Nalmefene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Nalmefene be shipped internationally?

Yes. Nalmefene is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.