Lornoxicam Impurity 23 CAS CATO-C4X-201623

Description

Compared with other compounds in its class, the molecular weight of 376.23 g/mol gives Lornoxicam Impurity 23 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Lornoxicam Impurity 23 (CAS CATO-C4X-201623), a pharmacopoeial impurity reference standard (molecular formula C10H11Cl2NO6S2, MW 376.23 g/mol) used for the identification and quantification of trace impurities in APIs.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, Lornoxicam Impurity 23 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 376.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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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