Donepezil Didesmethyl Impurity

Name: Donepezil Didesmethyl Impurity
Brand: Vaqora Chemicals
SKU: VQ-044066

About Donepezil Didesmethyl Impurity

Donepezil Didesmethyl Impurity (CAS 220170-71-8) is a metabolite or degradation product of Donepezil offered by Vaqora Chemicals. Its molecular formula is C22H25NO3 and its molecular weight is 351.4 g/mol. The IUPAC name is 2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dihydroxy-2,3-dihydroinden-1-one. It is also known as Donepezil Impurity 19.

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.

Analytical teams use this compound to identify metabolites and degradants of Donepezil, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Donepezil Didesmethyl Impurity in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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	Donepezil Didesmethyl Impurity
Catalogue No.	VQ-044066
CAS Number	220170-71-8
IUPAC name	2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dihydroxy-2,3-dihydroinden-1-one
Molecular formula	C₂₂H₂₅NO₃
Molecular weight	351.4 g/mol
Exact mass	351.1834
Grade	Reference Standard
HSN code	38229090
InChIKey	UJEPFLUMZAEBIS-UHFFFAOYSA-N
SMILES	C1CN(CCC1CC2CC3=CC(=C(C=C3C2=O)O)O)CC4=CC=CC=C4
PubChem CID	49849820

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	2 / 4
TPSA	60.8 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 Donepezil Didesmethyl Impurity?

The CAS Registry Number of Donepezil Didesmethyl Impurity is 220170-71-8. It is also known as Donepezil Impurity 19, 2-((1-Benzylpiperidin-4-yl)methyl)-5,6-dihydroxy-2,3-dihydro-1H-inden-1-one, 2-[(1-Benzylpiperidin-4-yl)methyl]-5,6-dihydroxy-2,3-dihydro-1H-inden-1-one.

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

Donepezil Didesmethyl Impurity has the molecular formula C22H25NO3 and a molecular weight of 351.4 g/mol. Its IUPAC name is 2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dihydroxy-2,3-dihydroinden-1-one.

What is Donepezil Didesmethyl Impurity used for?

Donepezil Didesmethyl Impurity 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 Didesmethyl Impurity can I order?

We supply Donepezil Didesmethyl Impurity 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 Didesmethyl Impurity?

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

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