Candesartan Cilexetil EP Impurity A

About Candesartan Cilexetil EP Impurity A

Candesartan Cilexetil EP Impurity A is a pharmacopeial impurity of Candesartan carrying the CAS registry number 139481-58-6. Its molecular formula is C26H24N6O3 and its molecular weight is 468.5 g/mol. Its systematic (IUPAC) name is ethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate. It is also known as Candesartan Impurity A or Candesartan Ethyl Ester.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Candesartan impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Candesartan

View every impurity, metabolite and intermediate we list for Candesartan.

Candesartan impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Candesartan Cilexetil EP Impurity A
Catalogue No.	VQ-006277
CAS Number	139481-58-6
IUPAC name	ethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate
Molecular formula	C₂₆H₂₄N₆O₃
Molecular weight	468.5 g/mol
Exact mass	468.191
Grade	Reference Standard
HSN code	38229090
InChIKey	BCPWNYREAURMOP-UHFFFAOYSA-N
SMILES	CCOC1=NC2=CC=CC(=C2N1CC3=CC=C(C=C3)C4=CC=CC=C4C5=NNN=N5)C(=O)OCC
PubChem CID	9869241

Physical properties
Physical form	Solid
LogP (XLogP3)	4.8
H-bond donors / acceptors	1 / 7
TPSA	108 Å²
Synonyms	Candesartan 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

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Candesartan Cilexetil EP Impurity A?

The CAS Registry Number of Candesartan Cilexetil EP Impurity A is 139481-58-6. It is also known as Candesartan Impurity A, Candesartan Ethyl Ester, Ethyl candesartan.

What is the molecular formula and molecular weight of Candesartan Cilexetil EP Impurity A?

Candesartan Cilexetil EP Impurity A has the molecular formula C26H24N6O3 and a molecular weight of 468.5 g/mol. Its IUPAC name is ethyl 2-ethoxy-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]benzimidazole-4-carboxylate.

What is Candesartan Cilexetil EP Impurity A used for?

Candesartan Cilexetil EP Impurity A is supplied as a characterised reference material related to Candesartan. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Candesartan Cilexetil EP Impurity A can I order?

We supply Candesartan Cilexetil EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Candesartan Cilexetil EP Impurity A?

Yes. Every lot of Candesartan Cilexetil EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Candesartan Cilexetil EP Impurity A be shipped internationally?

Yes. Candesartan Cilexetil EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.