3-Methyl-4-({[(4-methylphenyl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one CAS 338975-78-3

Description

Compared with other compounds in its class, the molecular weight of 229.28 g/mol gives 3-Methyl-4-({[(4-methylphenyl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-Methyl-4-({[(4-methylphenyl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 338975-78-3), a certified reference material (molecular formula C13H15N3O, MW 229.28 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, 3-Methyl-4-({[(4-methylphenyl)methyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 229.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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