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Pharmacopeial Impurities (EP / USP / BP)

Candesartan Cilexetil EP Impurity A

Reference StandardIn stock

Candesartan Cilexetil EP Impurity A (CAS 139481-58-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Candesartan Cilexetil EP Impurity A chemical structure
CAS number139481-58-6
FormulaC26H24N6O3
Molar mass468.5 g/mol
Physical formSolid
HS code38229090
InChIKeyBCPWNYREAURMOP-UHFFFAOYSA-N
IUPAC nameethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate

About Candesartan Cilexetil EP Impurity A

Candesartan Cilexetil EP Impurity A belongs to the Candesartan reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 139481-58-6, formula C26H24N6O3 and molar mass 468.5 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

Safe handling

Hazard communication follows GHS (Warning: H302 and H373). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with 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 Candesartan

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

Candesartan 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 Candesartan Cilexetil EP Impurity A
Product nameCandesartan Cilexetil EP Impurity A
Catalogue numberZX-005611
CAS number139481-58-6
IUPAC nameethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate
Molecular formulaC26H24N6O3
Molar mass468.5 g/mol
Exact mass468.191
GradeReference Standard
Physical formSolid
XLogP34.8
H-bond donors / acceptors1 / 7
Topological polar surface area108 Ų
HS code38229090
InChIKeyBCPWNYREAURMOP-UHFFFAOYSA-N
SMILESCCOC1=NC2=CC=CC(=C2N1CC3=CC=C(C=C3)C4=CC=CC=C4C5=NNN=N5)C(=O)OCC
PubChem CID9869241
SynonymsCandesartan Impurity A, Candesartan Ethyl Ester, Ethyl candesartan, Ethyl 1-((2'-(1H -tetrazol-5-yl)biphenyl-4-yl)methyl(-2-ethoxybenzimidazole-7-carboxylate, Ethyl -2-ethoxy-1-[[(2-(1Htetrazol-5-yl)biphenyl-4-yl-) methyl], ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl) biphenyl-4-yl]methyl]benzimidazole-7-carboxylate, ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)-biphenyl-4-yl]methyl]benzimidazole-7-carboxylate, Ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]-methyl]benzimidazole-7-carboxylate, ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-benzimidazole-7-carboxylate, Ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazoie-7-carboxylate, ethyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate, Ethyl 2-ethoxy-l-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]-methyl]benzimidazole-7-carboxylate

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P264, P270, P280, P301 + P317, P318, P319, P330, 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 Candesartan Cilexetil 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 Candesartan Cilexetil EP Impurity A

Which CAS number identifies Candesartan Cilexetil EP Impurity A?
Candesartan Cilexetil EP Impurity A is registered under CAS 139481-58-6. You may also see it listed as Candesartan Impurity A, Candesartan Ethyl Ester, Ethyl candesartan. Our catalogue number for this item is ZX-005611.
What are the formula and molar mass of Candesartan Cilexetil EP Impurity A?
For Candesartan Cilexetil EP Impurity A, its formula is C26H24N6O3 and its molar mass is 468.5 g/mol. The systematic (IUPAC) name is ethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate. InChIKey BCPWNYREAURMOP-UHFFFAOYSA-N lets you match it in any structure database.
How is Candesartan Cilexetil EP Impurity A used in pharmaceutical QC?
Candesartan Cilexetil EP Impurity A is a characterised reference material linked to Candesartan. 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 Candesartan Cilexetil 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 Candesartan Cilexetil 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 Candesartan Cilexetil EP Impurity A to my country?
Yes. Because Candesartan Cilexetil 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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