2,2′-(3,5-Pyridinediyl)bis[1,4-benzenedicarboxylic acid] CAS 2243958-66-7

Purity 97%+In StockPharmaceutical Standards
CAS No.2243958-66-7
Molecular FormulaC21H13NO8
Molecular Weight407.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,2′-(3,5-Pyridinediyl)bis[1,4-benzenedicarboxylic acid] CAS 2243958-66-7 chemical structure

Description

The occurrence of 2,2′-(3,5-Pyridinediyl)bis[1,4-benzenedicarboxylic acid] is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 2,2′-(3,5-Pyridinediyl)bis[1,4-benzenedicarboxylic acid] (CAS 2243958-66-7), a certified reference material (molecular formula C21H13NO8, MW 407.33 g/mol) for analytical method development and quality control.

Based on its molecular formula C21H13NO8, 2,2′-(3,5-Pyridinediyl)bis[1,4-benzenedicarboxylic acid] contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), 2,2′-(3,5-Pyridinediyl)bis[1,4-benzenedicarboxylic acid] 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 FormulaC21H13NO8
Molecular Weight407.33 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms1

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