2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) CAS 1796932-77-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1796932-77-8
Molecular FormulaC44H36N6O3
Molecular Weight696.80 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) CAS 1796932-77-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 696.80 g/mol gives 2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) (CAS 1796932-77-8), molecular formula C44H36N6O3 and molecular weight 696.80 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) (C44H36N6O3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 2-Ethoxy-1-[[2’-[2-(trityl)-2H-tetrazol-5-yl][1,1’-biphenyl]-4-yl]methyl]-1H-benzimidazole-4-carboxylic Acid Methyl Ester (Candesartan Impurity) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC44H36N6O3
Molecular Weight696.80 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)30.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Nitrogen Atoms6

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