Gadobutrol impurity 171 CAS CATO-C4X-2120171

Description

Compared with other compounds in its class, the molecular weight of 506.59 g/mol gives Gadobutrol impurity 171 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

As a process- or degradation-related impurity, Gadobutrol impurity 171 (CAS CATO-C4X-2120171, C22H42N4O9) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, Gadobutrol impurity 171 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 506.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

As a certified reference material (CRM), Gadobutrol impurity 171 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

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