Levocetirizine Impurity 75 CAS CATO-C4X-108375

Description

The occurrence of Levocetirizine Impurity 75 is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Levocetirizine Impurity 75 (CAS CATO-C4X-108375) is a certified pharmaceutical impurity reference standard with the molecular formula C33H45ClN2O13HCl and a molecular weight of 749.63 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Levocetirizine Impurity 75 is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 749.63 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.

CATO manufactures Levocetirizine Impurity 75 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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