Tigecycline Impurity 29 CAS 488820-34-4

Description

Compared with other compounds in its class, the molecular weight of 486.52 g/mol gives Tigecycline Impurity 29 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Tigecycline Impurity 29 (CAS 488820-34-4) is a certified pharmaceutical impurity reference standard with the molecular formula C24H30N4O7 and a molecular weight of 486.52 g/mol.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Tigecycline Impurity 29 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 486.52 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

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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