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Pharmacopeial Impurities (EP / USP / BP)

Citalopram EP Impurity E Oxalate

Reference StandardAvailable on request

Order Citalopram EP Impurity E Oxalate (CAS 1329612-81-8) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Citalopram EP Impurity E Oxalate chemical structure
CAS number1329612-81-8
FormulaC21H23ClFNO5
Molar mass423.9 g/mol
Physical formSolid
HS code38229090
InChIKeyBSTMNENXWJCPRQ-UHFFFAOYSA-N
IUPAC name3-[5-chloro-1-(4-fluorophenyl)-3H-2-benzofuran-1-yl]-N,N-dimethylpropan-1-amine;oxalic acid

About Citalopram EP Impurity E Oxalate

Analytical teams working on Citalopram use Citalopram EP Impurity E Oxalate as a qualified comparison standard. Key data (Reference Standard): CAS 1329612-81-8, formula C21H23ClFNO5 and molar mass 423.9 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

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 Citalopram

See every impurity, metabolite and related compound we list for this API.

Citalopram 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 Citalopram EP Impurity E Oxalate
Product nameCitalopram EP Impurity E Oxalate
Catalogue numberZX-028645
CAS number1329612-81-8
IUPAC name3-[5-chloro-1-(4-fluorophenyl)-3H-2-benzofuran-1-yl]-N,N-dimethylpropan-1-amine;oxalic acid
Molecular formulaC21H23ClFNO5
Molar mass423.9 g/mol
Exact mass423.1249
GradeReference Standard
Physical formSolid
H-bond donors / acceptors2 / 7
Topological polar surface area87.1 Ų
HS code38229090
InChIKeyBSTMNENXWJCPRQ-UHFFFAOYSA-N
SMILESCN(C)CCCC1(C2=C(CO1)C=C(C=C2)Cl)C3=CC=C(C=C3)F.C(=O)(C(=O)O)O
PubChem CID71314710
SynonymsCitalopram EP Impurity E (Oxalate salt), Citalopram Hydrobromide - Impurity E (Oxalate), 5-Chlorodescyano Citalopram Oxalate

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

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

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 Citalopram EP Impurity E Oxalate
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 Citalopram EP Impurity E Oxalate

Which CAS number identifies Citalopram EP Impurity E Oxalate?
Citalopram EP Impurity E Oxalate is registered under CAS 1329612-81-8. You may also see it listed as Citalopram EP Impurity E (Oxalate salt), Citalopram Hydrobromide - Impurity E (Oxalate), 5-Chlorodescyano Citalopram Oxalate. Our catalogue number for this item is ZX-028645.
What are the formula and molar mass of Citalopram EP Impurity E Oxalate?
For Citalopram EP Impurity E Oxalate, its formula is C21H23ClFNO5 and its molar mass is 423.9 g/mol. InChIKey BSTMNENXWJCPRQ-UHFFFAOYSA-N lets you match it in any structure database.
How is Citalopram EP Impurity E Oxalate used in pharmaceutical QC?
Citalopram EP Impurity E Oxalate is a characterised reference material linked to Citalopram. 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 Citalopram EP Impurity E Oxalate?
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 Citalopram EP Impurity E Oxalate?
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 Citalopram EP Impurity E Oxalate to my country?
Yes. Because Citalopram EP Impurity E Oxalate 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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