2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one
- CAS
- 896134-06-8
- Formula
- C17H15NO4
- MW
- 297.3 g/mol
ZX-021457
Pharmacopeial Impurities (EP / USP / BP)
Donepezil EP Impurity H
Reference StandardAvailable on request
Donepezil EP Impurity H (CAS 608511-44-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021458.
CAS number608511-44-0
FormulaC24H27NO3
Molar mass377.5 g/mol
Physical formSolid
HS code38229090
InChIKeyBWOQFDUTOSAOIO-UHFFFAOYSA-N
IUPAC name2-[(1-benzyl-3,6-dihydro-2H-pyridin-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one
About Donepezil EP Impurity H
Donepezil EP Impurity H belongs to the Donepezil reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 608511-44-0, formula C24H27NO3 and molar mass 377.5 g/mol. It is handled as a solid.
Typical applications
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.
Reference standards for Donepezil
See every impurity, metabolite and related compound we list for this API.
Donepezil standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Donepezil EP Impurity H |
|---|---|
| Catalogue number | ZX-021458 |
| CAS number | 608511-44-0 |
| IUPAC name | 2-[(1-benzyl-3,6-dihydro-2H-pyridin-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one |
| Molecular formula | C24H27NO3 |
| Molar mass | 377.5 g/mol |
| Exact mass | 377.1991 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 3.7 |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 38.8 Ų |
| HS code | 38229090 |
| InChIKey | BWOQFDUTOSAOIO-UHFFFAOYSA-N |
| SMILES | COC1=C(C=C2C(=C1)CC(C2=O)CC3=CCN(CC3)CC4=CC=CC=C4)OC |
| PubChem CID | 10150448 |
| Synonyms | Donepezil EP Impurity H (Free Base), Donepezil Hydrochloride - Impurity H, Donepezil Impurity 56, 1-Benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]-1,2,3,6-tetrahydropyridine |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Donepezil EP Impurity H
Which CAS number identifies Donepezil EP Impurity H?
Donepezil EP Impurity H is registered under CAS 608511-44-0. You may also see it listed as Donepezil EP Impurity H (Free Base), Donepezil Hydrochloride - Impurity H, Donepezil Impurity 56. Our catalogue number for this item is ZX-021458.
What are the formula and molar mass of Donepezil EP Impurity H?
For Donepezil EP Impurity H, its formula is C24H27NO3 and its molar mass is 377.5 g/mol. The systematic (IUPAC) name is 2-[(1-benzyl-3,6-dihydro-2H-pyridin-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one. InChIKey BWOQFDUTOSAOIO-UHFFFAOYSA-N lets you match it in any structure database.
How is Donepezil EP Impurity H used in pharmaceutical QC?
Donepezil EP Impurity H is a characterised reference material linked to Donepezil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Donepezil EP Impurity H?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Donepezil EP Impurity H?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Donepezil EP Impurity H to my country?
Yes. Donepezil EP Impurity H ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
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