1-(3-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde CAS 618101-72-7

Description

The occurrence of 1-(3-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde 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.

1-(3-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618101-72-7) is a high-purity analytical reference standard with the molecular formula C16H10ClN3O3 and a molecular weight of 327.72 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 1-(3-Chlorophenyl)-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 327.72 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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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