5,6-Dimethyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one CAS 354562-75-7

Purity 97%+In StockPharmaceutical Standards
CAS No.354562-75-7
Molecular FormulaC12H10N2OS2
Molecular Weight262.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-Dimethyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one CAS 354562-75-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 262.35 g/mol gives 5,6-Dimethyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5,6-Dimethyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 354562-75-7), a certified reference material (molecular formula C12H10N2OS2, MW 262.35 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H10N2OS2, 5,6-Dimethyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidin-4(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.35 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

Molecular FormulaC12H10N2OS2
Molecular Weight262.35 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2
Sulfur Atoms2

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