2,3,5,6,7,8-Hexahydro-2-thioxo-3-[3-(trifluoromethyl)phenyl][1]benzothieno[2,3-d]pyrimidin-4(1H)-one CAS 721426-49-9

Description

As a certified reference material (CRM), 2,3,5,6,7,8-Hexahydro-2-thioxo-3-[3-(trifluoromethyl)phenyl][1]benzothieno[2,3-d]pyrimidin-4(1H)-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.

2,3,5,6,7,8-Hexahydro-2-thioxo-3-[3-(trifluoromethyl)phenyl][1]benzothieno[2,3-d]pyrimidin-4(1H)-one (CAS 721426-49-9), molecular formula C17H13F3N2OS2 and molecular weight 382.42 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 2,3,5,6,7,8-Hexahydro-2-thioxo-3-[3-(trifluoromethyl)phenyl][1]benzothieno[2,3-d]pyrimidin-4(1H)-one (C17H13F3N2OS2) is characterized by a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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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