(+)-Narwedine

Name: (+)-Narwedine
Brand: Vaqora Chemicals
SKU: VQ-048502

About (+)-Narwedine

(+)-Narwedine is an impurity of Galantamine carrying the CAS registry number 7318-55-0. Its molecular formula is C17H19NO3 and its molecular weight is 285.34 g/mol. Systematically, it is named (1R,12R)-9-methoxy-4-methyl-11-oxa-4-azatetracyclo[8.6.1.01,12.06,17]heptadeca-6(17),7,9,15-tetraen-14-one.

The product is provided 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.

Pharmaceutical QC and development laboratories use this impurity standard of Galantamine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, (+)-Narwedine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Galantamine

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

Galantamine impurities

Specifications & identifiers

Chemical identifiers
Product name	(+)-Narwedine
Catalogue No.	VQ-048502
CAS Number	7318-55-0
IUPAC name	(1R,12R)-9-methoxy-4-methyl-11-oxa-4-azatetracyclo[8.6.1.01,12.06,17]heptadeca-6(17),7,9,15-tetraen-14-one
Molecular formula	C₁₇H₁₉NO₃
Molecular weight	285.34 g/mol
Exact mass	285.1365
Grade	Reference Standard
HSN code	38229090
InChIKey	QENVUHCAYXAROT-RHSMWYFYSA-N
SMILES	CN1CC[C@]23C=CC(=O)C[C@H]2OC4=C(C=CC(=C34)C1)OC
PubChem CID	441596

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	0 / 4
TPSA	38.8 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation
H341Suspected of causing genetic defects
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P351 + P338, P318, P330, P337 + P317, 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 (+)-Narwedine?

The CAS Registry Number of (+)-Narwedine is 7318-55-0.

What is the molecular formula and molecular weight of (+)-Narwedine?

(+)-Narwedine has the molecular formula C17H19NO3 and a molecular weight of 285.34 g/mol. Its IUPAC name is (1R,12R)-9-methoxy-4-methyl-11-oxa-4-azatetracyclo[8.6.1.01,12.06,17]heptadeca-6(17),7,9,15-tetraen-14-one.

What is (+)-Narwedine used for?

(+)-Narwedine is supplied as a characterised reference material related to Galantamine. 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 (+)-Narwedine can I order?

We supply (+)-Narwedine 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 (+)-Narwedine?

Yes. Every lot of (+)-Narwedine 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 (+)-Narwedine be shipped internationally?

Yes. (+)-Narwedine 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.