Donepezil Impurity 3

Name: Donepezil Impurity 3
Brand: Vaqora Chemicals
SKU: VQ-035042

About Donepezil Impurity 3

Listed under CAS 1023500-88-0, Donepezil Impurity 3 is an impurity of Donepezil available from Vaqora Chemicals. The compound has the formula C24H27NO4, corresponding to a molecular weight of 393.5 g/mol. Systematically, it is named 2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dimethoxyindene-1,3-dione. Alternative names: 3-Keto Donepezil and Donepezil 3-Oxo.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Donepezil impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Donepezil Impurity 3 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Donepezil

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

Donepezil impurities

Specifications & identifiers

Chemical identifiers
Product name	Donepezil Impurity 3
Catalogue No.	VQ-035042
CAS Number	1023500-88-0
IUPAC name	2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dimethoxyindene-1,3-dione
Molecular formula	C₂₄H₂₇NO₄
Molecular weight	393.5 g/mol
Exact mass	393.194
Grade	Reference Standard
HSN code	38229090
InChIKey	XKSVPGIZPNHDLK-UHFFFAOYSA-N
SMILES	COC1=C(C=C2C(=C1)C(=O)C(C2=O)CC3CCN(CC3)CC4=CC=CC=C4)OC
PubChem CID	4176841

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	0 / 5
TPSA	55.8 Å²
Synonyms	3-Keto Donepezil, 3-Oxodonepezil (2-[(1-Benzylpiperidin-4-yl)methyl]-5,6-dimethoxy-1H-indene-1,3(2H)-dione), Donepezil 3-Oxo, 1H-Indene-1,3(2H)-dione, 5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-, 5,6-Dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-indene-1,3(2H)-dione

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 Donepezil Impurity 3?

The CAS Registry Number of Donepezil Impurity 3 is 1023500-88-0. It is also known as 3-Keto Donepezil, 3-Oxodonepezil (2-[(1-Benzylpiperidin-4-yl)methyl]-5,6-dimethoxy-1H-indene-1,3(2H)-dione), Donepezil 3-Oxo.

What is the molecular formula and molecular weight of Donepezil Impurity 3?

Donepezil Impurity 3 has the molecular formula C24H27NO4 and a molecular weight of 393.5 g/mol. Its IUPAC name is 2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dimethoxyindene-1,3-dione.

What is Donepezil Impurity 3 used for?

Donepezil Impurity 3 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 Donepezil Impurity 3 can I order?

We supply Donepezil Impurity 3 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 Donepezil Impurity 3?

Yes. Every lot of Donepezil Impurity 3 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 Donepezil Impurity 3 be shipped internationally?

Yes. We export Donepezil Impurity 3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.