Lamotrigine Dimer Impurity 8 CAS CATO-C4X-16728

Description

Compared with other compounds in its class, the molecular weight of 524.19 g/mol gives Lamotrigine Dimer Impurity 8 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Lamotrigine Dimer Impurity 8 (CAS CATO-C4X-16728), a pharmacopoeial impurity reference standard (molecular formula C19H14Cl4N10, MW 524.19 g/mol) used for the identification and quantification of trace impurities in APIs.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, Lamotrigine Dimer Impurity 8 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 524.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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