Azithromycin impurity 59 CAS 67342-52-3

Description

Compared with other compounds in its class, the molecular weight of 227.28 g/mol gives Azithromycin impurity 59 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Azithromycin impurity 59 (CAS 67342-52-3) is a certified pharmaceutical impurity reference standard with the molecular formula C10H13NO3S and a molecular weight of 227.28 g/mol.

Structurally, Azithromycin impurity 59 (C10H13NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 227.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 Azithromycin impurity 59 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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