Donepezil EP Impurity D

Name: Donepezil EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-022425

About Donepezil EP Impurity D

Donepezil EP Impurity D (CAS 4803-57-0) is a pharmacopeial impurity of Donepezil offered by Vaqora Chemicals. Its molecular formula is C17H17NO3 and its molecular weight is 283.32 g/mol. The IUPAC name is 5,6-dimethoxy-2-(pyridin-4-ylmethyl)-2,3-dihydroinden-1-one. It is also known as Donepezil Pyridine Analog or Donepezil - Impurity D.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Donepezil, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Donepezil

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

Donepezil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Donepezil EP Impurity D
Catalogue No.	VQ-022425
CAS Number	4803-57-0
IUPAC name	5,6-dimethoxy-2-(pyridin-4-ylmethyl)-2,3-dihydroinden-1-one
Molecular formula	C₁₇H₁₇NO₃
Molecular weight	283.32 g/mol
Exact mass	283.1208
Grade	Reference Standard
HSN code	38229090
InChIKey	RGPDMDJBVKHZFW-UHFFFAOYSA-N
SMILES	COC1=C(C=C2C(=C1)CC(C2=O)CC3=CC=NC=C3)OC
PubChem CID	10085230

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	0 / 4
TPSA	48.4 Å²
Synonyms	Donepezil Pyridine Analog, Donepezil - Impurity D, Donepezil Impurity, 1H-Inden-1-one, 2,3-dihydro-5,6-dimethoxy-2-(4-pyridinylmethyl)-, 1-Indanone, 5,6-dimethoxy-2-(4-pyridylmethyl)-, 5,6-dimethoxy-2-(4-pyridylmethyl)-1-indanone, 5,6-Dimethoxy-2-(pyridin-4-ylmethyl)-2,3-dihydro-1H-inden-1-one, (+/-)-5,6-Dimethoxy-2-(pyridin-4-ylmethyl)indan-1-one, 5,6-Dimethoxy-2-[(4-pyridyl)methyl]indan-1-one, 5,6-dimethoxy-2-(4-pyridylmethyl)indan-1-one, 5,6-dimethoxy-2-(4-pyridyl)methyl-1-indanone, 5,6-dimethoxy-2-(4-pyridyl)methyl-indan-1-one

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 EP Impurity D?

The CAS Registry Number of Donepezil EP Impurity D is 4803-57-0. It is also known as Donepezil Pyridine Analog, Donepezil - Impurity D, Donepezil Impurity.

What is the molecular formula and molecular weight of Donepezil EP Impurity D?

Donepezil EP Impurity D has the molecular formula C17H17NO3 and a molecular weight of 283.32 g/mol. Its IUPAC name is 5,6-dimethoxy-2-(pyridin-4-ylmethyl)-2,3-dihydroinden-1-one.

What is Donepezil EP Impurity D used for?

Donepezil EP Impurity D 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 EP Impurity D can I order?

We supply Donepezil EP Impurity D 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 EP Impurity D?

Yes. Every lot of Donepezil EP Impurity D 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 EP Impurity D be shipped internationally?

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