1H-Pyrazole-5-carboxylic acid, 1-phenyl-, methyl ester CAS 55115-07-6

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1H-Pyrazole-5-carboxylic acid, 1-phenyl-, methyl ester.

1H-Pyrazole-5-carboxylic acid, 1-phenyl-, methyl ester (CAS 55115-07-6) is a high-purity analytical reference standard with the molecular formula C11H10N2O2 and a molecular weight of 202.21 g/mol.

Structurally, 1H-Pyrazole-5-carboxylic acid, 1-phenyl-, methyl ester (C11H10N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 202.21 g/mol, it falls into the medium-molecular-weight range. 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.

As a certified reference material (CRM), 1H-Pyrazole-5-carboxylic acid, 1-phenyl-, methyl ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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