5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan… 149874-91-9

Name: 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one
Brand: Vaqora Chemicals
SKU: VQ-036782

About 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one

Listed under CAS 149874-91-9, 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one is an impurity of Donepezil available from Vaqora Chemicals. The compound has the formula C17H21NO3, corresponding to a molecular weight of 287.35 g/mol. Systematically, it is named 5,6-dimethoxy-2-(piperidin-4-ylmethylidene)-3H-inden-1-one.

It is supplied 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.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one 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 Donepezil

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

Donepezil impurities

Specifications & identifiers

Chemical identifiers
Product name	5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one
Catalogue No.	VQ-036782
CAS Number	149874-91-9
IUPAC name	5,6-dimethoxy-2-(piperidin-4-ylmethylidene)-3H-inden-1-one
Molecular formula	C₁₇H₂₁NO₃
Molecular weight	287.35 g/mol
Exact mass	287.1521
Grade	Reference Standard
HSN code	38229090
InChIKey	MDJVFLZZPSQKFM-UHFFFAOYSA-N
SMILES	COC1=C(C=C2C(=C1)CC(=CC3CCNCC3)C2=O)OC
PubChem CID	53394850

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 4
TPSA	47.6 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 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one?

The CAS Registry Number of 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one is 149874-91-9. It is also known as 5,6-Dimethoxy-2-[(piperidin-4-yl)methylidene]-2,3-dihydro-1H-inden-1-one, 2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethylene)-1H-inden-1-one, 5,6-dimethoxy-2-(piperidin-4-ylmethylene)-2,3-dihydro-1H-inden-1-one.

What is the molecular formula and molecular weight of 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one?

5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one has the molecular formula C17H21NO3 and a molecular weight of 287.35 g/mol. Its IUPAC name is 5,6-dimethoxy-2-(piperidin-4-ylmethylidene)-3H-inden-1-one.

What is 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one used for?

5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-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 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one can I order?

We supply 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-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 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one?

Yes. Every lot of 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-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 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one be shipped internationally?

Yes. We export 5,6-Dimethoxy-2-(4-piperidinyl)methyleneindan-1-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.