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Pharmacopeial Impurities (EP / USP / BP)

Citalopram EP Impurity B Oxalate

Reference StandardAvailable on request

Order Citalopram EP Impurity B Oxalate (CAS 1332724-03-4) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Citalopram EP Impurity B Oxalate chemical structure
CAS number1332724-03-4
FormulaC22H23FN2O6
Molar mass430.4 g/mol
Physical formSolid
HS code38229090
InChIKeyBCDRARVFULFXRO-UHFFFAOYSA-N
IUPAC name1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-3H-2-benzofuran-5-carbonitrile;oxalic acid

About Citalopram EP Impurity B Oxalate

Analytical teams working on Citalopram use Citalopram EP Impurity B Oxalate as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 1332724-03-4, formula C22H23FN2O6 and molar mass 430.4 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

Handling and storage

Hazard communication follows GHS (Warning: H302 and H332). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 B Oxalate
Product nameCitalopram EP Impurity B Oxalate
Catalogue numberZX-023965
CAS number1332724-03-4
IUPAC name1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-3H-2-benzofuran-5-carbonitrile;oxalic acid
Molecular formulaC22H23FN2O6
Molar mass430.4 g/mol
Exact mass430.154
GradeReference Standard
Physical formSolid
H-bond donors / acceptors3 / 9
Topological polar surface area131 Ų
HS code38229090
InChIKeyBCDRARVFULFXRO-UHFFFAOYSA-N
SMILESCN(C)CCCC1(C2=C(C=C(C=C2)C#N)C(O1)O)C3=CC=C(C=C3)F.C(=O)(C(=O)O)O
PubChem CID127263142
SynonymsEscitalopram EP Impurity B (Oxalate Salt), Citalopram Related Compound B Oxalate Salt, Citalopram Hydrobromide - Impurity B (Oxalate Salt), 3-Hydroxy Citalopram Oxalate, Citalopram Related Compound B

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
  • H332Harmful if inhaled

Precautionary statements P261, P264, P270, P271, P301 + P317, P304 + P340, 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 B 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 B Oxalate

Which CAS number identifies Citalopram EP Impurity B Oxalate?
Citalopram EP Impurity B Oxalate is registered under CAS 1332724-03-4. You may also see it listed as Escitalopram EP Impurity B (Oxalate Salt), Citalopram Related Compound B Oxalate Salt, Citalopram Hydrobromide - Impurity B (Oxalate Salt). Our catalogue number for this item is ZX-023965.
What are the formula and molar mass of Citalopram EP Impurity B Oxalate?
For Citalopram EP Impurity B Oxalate, its formula is C22H23FN2O6 and its molar mass is 430.4 g/mol. InChIKey BCDRARVFULFXRO-UHFFFAOYSA-N lets you match it in any structure database.
How is Citalopram EP Impurity B Oxalate used in pharmaceutical QC?
Citalopram EP Impurity B 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 B 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 B 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 B Oxalate to my country?
Yes. Because Citalopram EP Impurity B 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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