1-(4-Ethoxybenzoyl)benzo[c]isothiazol-3(1H)-one CAS 877811-73-9

Description

Compared with other compounds in its class, the molecular weight of 299.34 g/mol gives 1-(4-Ethoxybenzoyl)benzo[c]isothiazol-3(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(4-Ethoxybenzoyl)benzo[c]isothiazol-3(1H)-one (CAS 877811-73-9), molecular formula C16H13NO3S and molecular weight 299.34 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H13NO3S, 1-(4-Ethoxybenzoyl)benzo[c]isothiazol-3(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 299.34 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.

CATO manufactures 1-(4-Ethoxybenzoyl)benzo[c]isothiazol-3(1H)-one 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.

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