4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine CAS 2446431-88-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2446431-88-3
Molecular FormulaC21H18N2
Molecular Weight298.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine CAS 2446431-88-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine.

4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine (CAS 2446431-88-3) is a high-purity analytical reference standard with the molecular formula C21H18N2 and a molecular weight of 298.38 g/mol.

Based on its molecular formula C21H18N2, 4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 298.38 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), 4,4'-((2-Methyl-1,4-phenylene)bis(ethene-2,1-diyl))dipyridine 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 FormulaC21H18N2
Molecular Weight298.38 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2000
Nitrogen Atoms2

Related Methyl Standards

Recommended Standards

Why CATO?