3-(3,5-Dimethylphenyl)-2-(methylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one CAS 877653-19-5

Description

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 supplies 3-(3,5-Dimethylphenyl)-2-(methylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (CAS 877653-19-5), a certified reference material (molecular formula C15H16N2OS2, MW 304.43 g/mol) for analytical method development and quality control.

Structurally, 3-(3,5-Dimethylphenyl)-2-(methylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (C15H16N2OS2) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 304.43 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).

As a certified reference material (CRM), 3-(3,5-Dimethylphenyl)-2-(methylthio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one 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

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com