(Z)-1,4-Dioxo-1,4-diphenyl-3-(pyridin-1-ium-1-yl)but-2-ene-2-thiolate CAS 2417676-76-5

Description

Compared with other compounds in its class, the molecular weight of 345.41 g/mol gives (Z)-1,4-Dioxo-1,4-diphenyl-3-(pyridin-1-ium-1-yl)but-2-ene-2-thiolate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(Z)-1,4-Dioxo-1,4-diphenyl-3-(pyridin-1-ium-1-yl)but-2-ene-2-thiolate (CAS 2417676-76-5), molecular formula C21H15NO2S and molecular weight 345.41 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (Z)-1,4-Dioxo-1,4-diphenyl-3-(pyridin-1-ium-1-yl)but-2-ene-2-thiolate (C21H15NO2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 345.41 g/mol, it falls into the moderately-high-molecular-weight range. 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