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Pharmacopeial Impurities (EP / USP / BP)

Candesartan Cilexetil EP Impurity I

Reference StandardIn stock

Candesartan Cilexetil EP Impurity I (CAS 139481-69-9) supplier Zemixal: C25H22N6O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Candesartan Cilexetil EP Impurity I chemical structure
CAS number139481-69-9
FormulaC25H22N6O3
Molar mass454.5 g/mol
Physical formSolid
HS code38229090
Purity96.2%
InChIKeyRBPFEPGTRLLUKI-UHFFFAOYSA-N
IUPAC namemethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate

About Candesartan Cilexetil EP Impurity I

Candesartan Cilexetil EP Impurity I belongs to the Candesartan reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 139481-69-9, formula C25H22N6O3 and molar mass 454.5 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

Safe handling

Classified under GHS with signal word Warning and hazard statements H361. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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 I
Product nameCandesartan Cilexetil EP Impurity I
Catalogue numberZX-005615
CAS number139481-69-9
IUPAC namemethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate
Molecular formulaC25H22N6O3
Molar mass454.5 g/mol
Exact mass454.1753
GradeReference Standard
Purity / assay96.2%
Physical formSolid
XLogP34.4
H-bond donors / acceptors1 / 7
Topological polar surface area108 Ų
HS code38229090
InChIKeyRBPFEPGTRLLUKI-UHFFFAOYSA-N
SMILESCCOC1=NC2=CC=CC(=C2N1CC3=CC=C(C=C3)C4=CC=CC=C4C5=NNN=N5)C(=O)OC
PubChem CID15654696
SynonymsMethyl 1-[(2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-2-ethoxybenzimidazole-7-carboxylate, Methyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate, Candesartan Methyl Ester, Methyl candesartan, Candesartan cilexetil impurity I, Methyl 1-((2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl)-2-ethoxybenzimidazole-7-carboxylate, Methyl 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, ethyl2-ethoxy-1-[[2'-(1h-tetrazol-5-yl)methyl]benzimidazole-7-carboxylate, Methyl 2-ethoxy-1-[[2'-(1 H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate, methyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]-methyl]benzimidazole-7-carboxylate, methyl 2-ethoxy-1-[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methylbenzimidazole-7carboxylate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P280, P318, 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 I
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 I

Which CAS number identifies Candesartan Cilexetil EP Impurity I?
Candesartan Cilexetil EP Impurity I is registered under CAS 139481-69-9. You may also see it listed as Methyl 1-[(2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-2-ethoxybenzimidazole-7-carboxylate, Methyl 2-ethoxy-1-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]benzimidazole-7-carboxylate, Candesartan Methyl Ester. Our catalogue number for this item is ZX-005615.
What are the formula and molar mass of Candesartan Cilexetil EP Impurity I?
For Candesartan Cilexetil EP Impurity I, its formula is C25H22N6O3 and its molar mass is 454.5 g/mol. The systematic (IUPAC) name is methyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate. InChIKey RBPFEPGTRLLUKI-UHFFFAOYSA-N lets you match it in any structure database.
How is Candesartan Cilexetil EP Impurity I used in pharmaceutical QC?
Candesartan Cilexetil EP Impurity I 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 I?
This listing is Reference Standard grade with 96.2% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Candesartan Cilexetil EP Impurity I?
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 I to my country?
Yes. Because Candesartan Cilexetil EP Impurity I 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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