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Pharmacopeial Impurities (EP / USP / BP)

Citalopram EP Impurity C

Reference StandardAvailable on request

Order Citalopram EP Impurity C (CAS 372941-54-3) online at Zemixal: C20H19FN2O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Citalopram EP Impurity C chemical structure
CAS number372941-54-3
FormulaC20H19FN2O2
Molar mass338.4 g/mol
Physical formSolid
HS code38229090
InChIKeyASGSMDPSNUXWMB-UHFFFAOYSA-N
IUPAC name1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-oxo-2-benzofuran-5-carbonitrile

About Citalopram EP Impurity C

Citalopram EP Impurity C is supplied by Zemixal as a characterised reference material for Citalopram analysis. Key data (Reference Standard): CAS 372941-54-3, formula C20H19FN2O2 and molar mass 338.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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 C
Product nameCitalopram EP Impurity C
Catalogue numberZX-021231
CAS number372941-54-3
IUPAC name1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-oxo-2-benzofuran-5-carbonitrile
Molecular formulaC20H19FN2O2
Molar mass338.4 g/mol
Exact mass338.1431
GradeReference Standard
Physical formSolid
XLogP33.4
H-bond donors / acceptors0 / 5
Topological polar surface area53.3 Ų
HS code38229090
InChIKeyASGSMDPSNUXWMB-UHFFFAOYSA-N
SMILESCN(C)CCCC1(C2=C(C=C(C=C2)C#N)C(=O)O1)C3=CC=C(C=C3)F
PubChem CID11484526
SynonymsEscitalopram EP Impurity C, Citalopram Hydrobromide - Impurity C, Escitalopram - Impurity C, 3-Oxocitalopram, 3-(3-Dimethylaminopropyl)-3-(4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone, 3-Oxo Citalopram, 3-oxo-citalopram, (3RS)-6-Cyano-3-[3-(dimethylamino)propyl]-3-(4-fluorophenyl)isobenzofuran-1(3H)-one, DISCONTINUED. Please see O869983., 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-oxo-isobenzofuran-5-carbonitrile

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 C
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 C

Which CAS number identifies Citalopram EP Impurity C?
Citalopram EP Impurity C is registered under CAS 372941-54-3. You may also see it listed as Escitalopram EP Impurity C, Citalopram Hydrobromide - Impurity C, Escitalopram - Impurity C. Our catalogue number for this item is ZX-021231.
What are the formula and molar mass of Citalopram EP Impurity C?
For Citalopram EP Impurity C, its formula is C20H19FN2O2 and its molar mass is 338.4 g/mol. The systematic (IUPAC) name is 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-oxo-2-benzofuran-5-carbonitrile. InChIKey ASGSMDPSNUXWMB-UHFFFAOYSA-N lets you match it in any structure database.
How is Citalopram EP Impurity C used in pharmaceutical QC?
Citalopram EP Impurity C 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 C?
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 C?
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 C to my country?
Yes. Because Citalopram EP Impurity C 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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