Methyl 3-(2-nitrophenyl)-1H-pyrazole-5-carboxylate CAS 57446-04-5

Description

Compared with other compounds in its class, the molecular weight of 247.21 g/mol gives Methyl 3-(2-nitrophenyl)-1H-pyrazole-5-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Methyl 3-(2-nitrophenyl)-1H-pyrazole-5-carboxylate (CAS 57446-04-5), molecular formula C11H9N3O4 and molecular weight 247.21 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Methyl 3-(2-nitrophenyl)-1H-pyrazole-5-carboxylate (C11H9N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 247.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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