4-(4-Carboxy-benzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester CAS 312515-37-0

Purity 97%+In StockPharmaceutical Standards
CAS No.312515-37-0
Molecular FormulaC15H13NO5
Molecular Weight287.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Carboxy-benzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester CAS 312515-37-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 287.27 g/mol gives 4-(4-Carboxy-benzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(4-Carboxy-benzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester (CAS 312515-37-0), molecular formula C15H13NO5 and molecular weight 287.27 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 4-(4-Carboxy-benzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 287.27 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-Carboxy-benzylidene)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid methyl ester 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 FormulaC15H13NO5
Molecular Weight287.27 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 methanol, acetonitrile, DMSO, water (slightly soluble)
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
Nitrogen Atoms1

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