Methyl 4-({[(4Z)-3-ethoxy-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)benzoate CAS 338750-94-0

Purity 97%+In StockPharmaceutical Standards
CAS No.338750-94-0
Molecular FormulaC20H19N3O4
Molecular Weight365.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 4-({[(4Z)-3-ethoxy-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)benzoate CAS 338750-94-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 365.38 g/mol gives Methyl 4-({[(4Z)-3-ethoxy-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)benzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Methyl 4-({[(4Z)-3-ethoxy-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)benzoate (CAS 338750-94-0), a certified reference material (molecular formula C20H19N3O4, MW 365.38 g/mol) for analytical method development and quality control.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Methyl 4-({[(4Z)-3-ethoxy-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)benzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 365.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), Methyl 4-({[(4Z)-3-ethoxy-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}amino)benzoate 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 FormulaC20H19N3O4
Molecular Weight365.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3

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