Xanomeline impurity 40 CAS 131988-25-5

Description

The occurrence of Xanomeline impurity 40 is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine/iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Xanomeline impurity 40 (CAS 131988-25-5) is a certified pharmaceutical impurity reference standard with the molecular formula C8H7ClN3SI and a molecular weight of 339.57 g/mol.

The molecular framework of Xanomeline impurity 40 (C8H7ClN3SI) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine/iodine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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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