4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid CAS 777920-31-7

Purity 97%+In StockPharmaceutical Standards
CAS No.777920-31-7
Molecular FormulaC12H9NO4
Molecular Weight231.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid CAS 777920-31-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 231.20 g/mol gives 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid (CAS 777920-31-7) is a high-purity analytical reference standard with the molecular formula C12H9NO4 and a molecular weight of 231.20 g/mol.

Based on its molecular formula C12H9NO4, 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

CATO manufactures 4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC12H9NO4
Molecular Weight231.20 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; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Nitrogen Atoms1

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