2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyrid… 896134-06-8

Name: 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one
Brand: Vaqora Chemicals
SKU: VQ-022427

About 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one

Listed under CAS 896134-06-8, 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one is a metabolite or degradation product of Donepezil available from Vaqora Chemicals. Its molecular formula is C17H15NO4 and its molecular weight is 297.3 g/mol. Its systematic (IUPAC) name is (2Z)-5,6-dimethoxy-2-[(1-oxidopyridin-1-ium-4-yl)methylidene]-3H-inden-1-one.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Donepezil, as well as in QC testing and ANDA/DMF documentation. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Donepezil

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

Donepezil impurities

Specifications & identifiers

Chemical identifiers
Product name	2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one
Catalogue No.	VQ-022427
CAS Number	896134-06-8
IUPAC name	(2Z)-5,6-dimethoxy-2-[(1-oxidopyridin-1-ium-4-yl)methylidene]-3H-inden-1-one
Molecular formula	C₁₇H₁₅NO₄
Molecular weight	297.3 g/mol
Exact mass	297.1001
Grade	Reference Standard
HSN code	38229090
InChIKey	AKKASSPRDCJTET-QPEQYQDCSA-N
SMILES	COC1=C(C=C2C(=C1)C/C(=C/C3=CC=[N+](C=C3)[O-])/C2=O)OC
PubChem CID	11716337

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	0 / 4
TPSA	61 Å²

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 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one?

The CAS Registry Number of 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one is 896134-06-8. It is also known as 4-((5,6-dimethoxy-1-oxo-1,3-dihydro-2H-inden-2-ylidene)methyl)pyridine 1-oxide, 4-{[(2Z)-5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-ylidene]methyl}pyridin-1-ium-1-olate.

What is the molecular formula and molecular weight of 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one?

2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one has the molecular formula C17H15NO4 and a molecular weight of 297.3 g/mol. Its IUPAC name is (2Z)-5,6-dimethoxy-2-[(1-oxidopyridin-1-ium-4-yl)methylidene]-3H-inden-1-one.

What is 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one used for?

2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one is supplied as a characterised reference material related to Donepezil. 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 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one can I order?

We supply 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one 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 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one?

Yes. Every lot of 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one 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 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one be shipped internationally?

Yes. We export 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.