2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid CAS 131-43-1

Description

CATO manufactures 2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic 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.

2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid (CAS 131-43-1), molecular formula C24H16N4O11S3 and molecular weight 632.60 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid (C24H16N4O11S3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 632.60 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

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