5-(3-Fluoro-4-methoxyphenyl)-1H-pyrazole-3-carboxylic acid CAS 485798-67-2

Description

Compared with other compounds in its class, the molecular weight of 236.20 g/mol gives 5-(3-Fluoro-4-methoxyphenyl)-1H-pyrazole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(3-Fluoro-4-methoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 485798-67-2), molecular formula C11H9FN2O3 and molecular weight 236.20 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 5-(3-Fluoro-4-methoxyphenyl)-1H-pyrazole-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 236.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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-(3-Fluoro-4-methoxyphenyl)-1H-pyrazole-3-carboxylic acid 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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