Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Donepezil EP Impurity E

Reference StandardAvailable on request

Buy Donepezil EP Impurity E (CAS 231283-82-2) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Donepezil EP Impurity E chemical structure
CAS number231283-82-2
FormulaC24H24BrNO3
Molar mass454.4 g/mol
Physical formSolid
HS code38229090
InChIKeySJDPCJIYDYUWEN-UHFFFAOYSA-M
IUPAC name2-[(1-benzylpyridin-1-ium-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one bromide

About Donepezil EP Impurity E

Donepezil EP Impurity E is supplied by Zemixal as a characterised reference material for Donepezil analysis. Key data (Reference Standard): CAS 231283-82-2, formula C24H24BrNO3 and molar mass 454.4 g/mol. It is handled as a solid.

Where it is used

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes 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 standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Donepezil EP Impurity E
Product nameDonepezil EP Impurity E
Catalogue numberZX-021459
CAS number231283-82-2
IUPAC name2-[(1-benzylpyridin-1-ium-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one bromide
Molecular formulaC24H24BrNO3
Molar mass454.4 g/mol
Exact mass453.094
GradeReference Standard
Physical formSolid
H-bond donors / acceptors0 / 4
Topological polar surface area39.4 Ų
HS code38229090
InChIKeySJDPCJIYDYUWEN-UHFFFAOYSA-M
SMILESCOC1=C(C=C2C(=C1)CC(C2=O)CC3=CC=[N+](C=C3)CC4=CC=CC=C4)OC.[Br-]
PubChem CID10204472
SynonymsDonepezil - Impurity E (Bromide Salt), Donepezil Impurity E Bromide Salt, 1-Benzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)pyridin-1-ium bromide, 1-Benzyl-4-[(5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl]pyridin-1-ium bromide, 1-benzyl-4-[(5,6-dimethoxy-1-oxoindan-2-yl)methyl]pyridinium bromide

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

Pack sizes of Donepezil EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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 E

Which CAS number identifies Donepezil EP Impurity E?
Donepezil EP Impurity E is registered under CAS 231283-82-2. You may also see it listed as Donepezil - Impurity E (Bromide Salt), Donepezil Impurity E Bromide Salt, 1-Benzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)pyridin-1-ium bromide. Our catalogue number for this item is ZX-021459.
What are the formula and molar mass of Donepezil EP Impurity E?
For Donepezil EP Impurity E, its formula is C24H24BrNO3 and its molar mass is 454.4 g/mol. The systematic (IUPAC) name is 2-[(1-benzylpyridin-1-ium-4-yl)methyl]-5,6-dimethoxy-2,3-dihydroinden-1-one bromide. InChIKey SJDPCJIYDYUWEN-UHFFFAOYSA-M lets you match it in any structure database.
How is Donepezil EP Impurity E used in pharmaceutical QC?
Donepezil EP Impurity E 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 E?
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 E?
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 E to my country?
Yes. Donepezil EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Donepezil standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now