5-(3,4-Dimethylphenyl)-3-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one CAS 786728-91-4

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(3,4-Dimethylphenyl)-3-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one.

5-(3,4-Dimethylphenyl)-3-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 786728-91-4), molecular formula C15H14N2OS2 and molecular weight 302.41 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C15H14N2OS2, 5-(3,4-Dimethylphenyl)-3-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-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 302.41 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.

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 5-(3,4-Dimethylphenyl)-3-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-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

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