(1E,3E)-1,4-Bis(2-nitrophenyl)buta-1,3-diene CAS 87259-89-0

Description

Compared with other compounds in its class, the molecular weight of 296.28 g/mol gives (1E,3E)-1,4-Bis(2-nitrophenyl)buta-1,3-diene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(1E,3E)-1,4-Bis(2-nitrophenyl)buta-1,3-diene (CAS 87259-89-0), molecular formula C16H12N2O4 and molecular weight 296.28 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H12N2O4, (1E,3E)-1,4-Bis(2-nitrophenyl)buta-1,3-diene 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 296.28 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com