4-{[(4-chlorophenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one CAS 338750-80-4

Description

Compared with other compounds in its class, the molecular weight of 221.64 g/mol gives 4-{[(4-chlorophenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-{[(4-chlorophenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 338750-80-4), a certified reference material (molecular formula C10H8ClN3O, MW 221.64 g/mol) for analytical method development and quality control.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-{[(4-chlorophenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 221.64 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

As a certified reference material (CRM), 4-{[(4-chlorophenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-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

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