N-(2,5-dimethylphenyl)-2-(5-(4-ethoxyphenyl)-6-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)propanamide CAS 877418-31-0

Description

Compared with other compounds in its class, the molecular weight of 461.58 g/mol gives N-(2,5-dimethylphenyl)-2-(5-(4-ethoxyphenyl)-6-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)propanamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(2,5-dimethylphenyl)-2-(5-(4-ethoxyphenyl)-6-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)propanamide (CAS 877418-31-0), molecular formula C26H27N3O3S and molecular weight 461.58 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C26H27N3O3S, N-(2,5-dimethylphenyl)-2-(5-(4-ethoxyphenyl)-6-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)propanamide contains a steroid core, 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 461.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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

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