5-Cyclopentyl-1H-pyrazole-4-carboxylic acid CAS 1250341-33-3

Description

The occurrence of 5-Cyclopentyl-1H-pyrazole-4-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Cyclopentyl-1H-pyrazole-4-carboxylic acid (CAS 1250341-33-3), molecular formula C9H12N2O2 and molecular weight 180.20 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H12N2O2, 5-Cyclopentyl-1H-pyrazole-4-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 180.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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-Cyclopentyl-1H-pyrazole-4-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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