3-(2,4-Dimethylphenyl)-2-mercapto-3,5,6,7,8,9-hexahydro-4h-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one CAS 519150-63-1

Description

As a certified reference material (CRM), 3-(2,4-Dimethylphenyl)-2-mercapto-3,5,6,7,8,9-hexahydro-4h-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-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.

3-(2,4-Dimethylphenyl)-2-mercapto-3,5,6,7,8,9-hexahydro-4h-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 519150-63-1), molecular formula C19H20N2OS2 and molecular weight 356.50 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C19H20N2OS2, 3-(2,4-Dimethylphenyl)-2-mercapto-3,5,6,7,8,9-hexahydro-4h-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one contains a steroid core, 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 356.50 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.

Physical & Chemical Properties

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