Pimavanserin Impurity 16 CAS CATO-C4X-193816

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Pimavanserin Impurity 16.

Pimavanserin Impurity 16 (CAS CATO-C4X-193816) is a certified pharmaceutical impurity reference standard with the molecular formula C12H15FN2 and a molecular weight of 206.26 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution, Pimavanserin Impurity 16 is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 206.26 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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