(7,9-dimethyl-4-oxopyrido[3’,2’:4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid CAS 852956-33-3

Description

Compared with other compounds in its class, the molecular weight of 289.31 g/mol gives (7,9-dimethyl-4-oxopyrido[3’,2’:4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (7,9-dimethyl-4-oxopyrido[3’,2’:4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid (CAS 852956-33-3), a certified reference material (molecular formula C13H11N3O3S, MW 289.31 g/mol) for analytical method development and quality control.

Based on its molecular formula C13H11N3O3S, (7,9-dimethyl-4-oxopyrido[3’,2’:4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetic acid 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 289.31 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).

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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