Ethyl 6-((1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)-4-(4-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate CAS 853597-49-6

Description

Ethyl 6-((1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)-4-(4-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 853597-49-6), molecular formula C22H21N3O7S and molecular weight 471.48 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Ethyl 6-((1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)-4-(4-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (C22H21N3O7S) 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 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 471.48 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.

As a certified reference material (CRM), Ethyl 6-((1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)-4-(4-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate 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

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