Fosinopril Impurity 1 CAS 149760-14-5

Description

Compared with other compounds in its class, the molecular weight of 384.40 g/mol gives Fosinopril Impurity 1 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Fosinopril Impurity 1 (CAS 149760-14-5), molecular formula C19H29O6P and molecular weight 384.40 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Fosinopril Impurity 1 (C19H29O6P) is characterized by a steroid core, a phosphate ester group, a hydroxyl group, an ether linkage. 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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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