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API Impurities

Citalopram Impurity A

Reference StandardAvailable on request

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Pack sizes
Citalopram Impurity A chemical structure
CAS number64372-56-1
FormulaC20H23FN2O2
Molar mass342.4 g/mol
Physical formSolid
HS code38229090
InChIKeyLYYWQJNKWCANAC-UHFFFAOYSA-N
IUPAC name1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carboxamide

About Citalopram Impurity A

Analytical teams working on Citalopram use Citalopram Impurity A as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 64372-56-1, formula C20H23FN2O2 and molar mass 342.4 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H335, H336 and H411). 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. 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 Citalopram

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

Citalopram standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Citalopram Impurity A
Product nameCitalopram Impurity A
Catalogue numberZX-004535
CAS number64372-56-1
IUPAC name1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carboxamide
Molecular formulaC20H23FN2O2
Molar mass342.4 g/mol
Exact mass342.1744
GradeReference Standard
Physical formSolid
XLogP32.4
H-bond donors / acceptors1 / 4
Topological polar surface area55.6 Ų
HS code38229090
InChIKeyLYYWQJNKWCANAC-UHFFFAOYSA-N
SMILESCN(C)CCCC1(C2=C(CO1)C=C(C=C2)C(=O)N)C3=CC=C(C=C3)F
PubChem CID10193515
Synonyms1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide, rac-Citalopram Carboxamide, 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxamide, Citalopram Amide, Escitalopram EP Impurity A, Citalopram USP Related Compound A, 1-(3-(Dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxamide, 1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide, 1-(3-(Dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide, Citalopram EP Impurity A, 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-5-carboxamide, (+/-)-1-(3-Dimethylaminopropyl)-1-(4'-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H335May cause respiratory irritation
  • H336May cause drowsiness or dizziness
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P261, P264, P270, P271, P273, P301 + P317, P304 + P340, P319, P330, P391, P403 + P233, P405, 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 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 Citalopram Impurity A

Which CAS number identifies Citalopram Impurity A?
Citalopram Impurity A is registered under CAS 64372-56-1. You may also see it listed as 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide, rac-Citalopram Carboxamide, 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarboxamide. Our catalogue number for this item is ZX-004535.
What are the formula and molar mass of Citalopram Impurity A?
For Citalopram Impurity A, its formula is C20H23FN2O2 and its molar mass is 342.4 g/mol. The systematic (IUPAC) name is 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3H-2-benzofuran-5-carboxamide. InChIKey LYYWQJNKWCANAC-UHFFFAOYSA-N lets you match it in any structure database.
How is Citalopram Impurity A used in pharmaceutical QC?
Citalopram Impurity A 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 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 Citalopram 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 Citalopram Impurity A to my country?
Yes. Because Citalopram 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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