5-Chloro-3-methyl-4-nitro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole CAS 2265200-73-3

Description

The occurrence of 5-Chloro-3-methyl-4-nitro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Chloro-3-methyl-4-nitro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole (CAS 2265200-73-3), molecular formula C9H12ClN3O3 and molecular weight 245.66 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H12ClN3O3, 5-Chloro-3-methyl-4-nitro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.66 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.

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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