1-(5-(4-Chlorophenyl)-1H-pyrazol-4-yl)-3,4-dihydropyridin-2(1H)-one CAS 321574-11-2

Purity 97%+In StockPharmaceutical Standards
CAS No.321574-11-2
Molecular FormulaC14H12ClN3O
Molecular Weight273.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(5-(4-Chlorophenyl)-1H-pyrazol-4-yl)-3,4-dihydropyridin-2(1H)-one CAS 321574-11-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 273.72 g/mol gives 1-(5-(4-Chlorophenyl)-1H-pyrazol-4-yl)-3,4-dihydropyridin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(5-(4-Chlorophenyl)-1H-pyrazol-4-yl)-3,4-dihydropyridin-2(1H)-one (CAS 321574-11-2), molecular formula C14H12ClN3O and molecular weight 273.72 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C14H12ClN3O, 1-(5-(4-Chlorophenyl)-1H-pyrazol-4-yl)-3,4-dihydropyridin-2(1H)-one 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 273.72 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.

As a certified reference material (CRM), 1-(5-(4-Chlorophenyl)-1H-pyrazol-4-yl)-3,4-dihydropyridin-2(1H)-one 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

Molecular FormulaC14H12ClN3O
Molecular Weight273.72 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

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