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Pharmacopeial Impurities (EP / USP / BP)

Donepezil EP Impurity A

Reference StandardAvailable on request

Order Donepezil EP Impurity A (CAS 120014-30-4) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021460.

Pack sizes
Donepezil EP Impurity A chemical structure
CAS number120014-30-4
FormulaC17H23NO3
Molar mass289.4 g/mol
Physical formSolid
HS code38229090
InChIKeyPGBZORAISITZTF-UHFFFAOYSA-N
IUPAC name5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydroinden-1-one

About Donepezil EP Impurity A

Analytical teams working on Donepezil use Donepezil EP Impurity A as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 120014-30-4, formula C17H23NO3 and molar mass 289.4 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315 and H319. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. 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 A
Product nameDonepezil EP Impurity A
Catalogue numberZX-021460
CAS number120014-30-4
IUPAC name5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydroinden-1-one
Molecular formulaC17H23NO3
Molar mass289.4 g/mol
Exact mass289.1678
GradeReference Standard
Physical formSolid
XLogP32.3
H-bond donors / acceptors1 / 4
Topological polar surface area47.6 Ų
HS code38229090
InChIKeyPGBZORAISITZTF-UHFFFAOYSA-N
SMILESCOC1=C(C=C2C(=C1)CC(C2=O)CC3CCNCC3)OC
PubChem CID10446897
SynonymsDonepezil - Impurity A (Freebase), 5,6-Dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1H-inden-1-one, Desbenzyl donepezil, 1H-Inden-1-one, 2,3-dihydro-5,6-dimethoxy-2-(4-piperidinylmethyl)-, 5,6-dimethoxy-2-(piperidin-4-yl)methylene-indan-1-one, 5,6-Dimethoxy-2-((4-piperidyl)methyl)indan-1-one, 5,6-dimethoxy-2-(piperidin-4-ylmethyl)indan-1-one, 5,6-Dimethoxy-2-((4-piperidinyl)methyl)-1-indanone, 4-((5,6-Dimethoxy-1-oxoindan-2-yl)methyl)piperidine, 5,6-dimethoxy-2-[(4-piperidinyl)methyl]-1-indanone, 5,6-Dimethoxy-2-piperidin-4-ylmethyl-indan-1-one, 5,6-dimethoxy-2-(piperidin-4-yl)methylindan-1-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Donepezil EP Impurity A
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 A

Which CAS number identifies Donepezil EP Impurity A?
Donepezil EP Impurity A is registered under CAS 120014-30-4. You may also see it listed as Donepezil - Impurity A (Freebase), 5,6-Dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1H-inden-1-one, Desbenzyl donepezil. Our catalogue number for this item is ZX-021460.
What are the formula and molar mass of Donepezil EP Impurity A?
For Donepezil EP Impurity A, its formula is C17H23NO3 and its molar mass is 289.4 g/mol. The systematic (IUPAC) name is 5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydroinden-1-one. InChIKey PGBZORAISITZTF-UHFFFAOYSA-N lets you match it in any structure database.
How is Donepezil EP Impurity A used in pharmaceutical QC?
Donepezil EP Impurity A 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 A?
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 A?
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 A to my country?
Yes. Because Donepezil EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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