Azilsartan Impurity 58 CAS 1417576-03-4

Description

Compared with other compounds in its class, the molecular weight of 146.10 g/mol gives Azilsartan Impurity 58 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Azilsartan Impurity 58 (CAS 1417576-03-4) is a certified pharmaceutical impurity reference standard with the molecular formula C5H6O5 and a molecular weight of 146.10 g/mol.

The molecular framework of Azilsartan Impurity 58 (C5H6O5) is characterized by a carbohydrate-derived structure. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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