5-Phenyl-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxamidoxime CAS 1965308-70-6

Description

Compared with other compounds in its class, the molecular weight of 269.26 g/mol gives 5-Phenyl-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxamidoxime distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-Phenyl-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxamidoxime (CAS 1965308-70-6), a certified reference material (molecular formula C13H11N5O2, MW 269.26 g/mol) for analytical method development and quality control.

Based on its molecular formula C13H11N5O2, 5-Phenyl-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxamidoxime contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 5-Phenyl-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxamidoxime 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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