3-(2-Phenylethyl)-2-sulfanyl-5-(thiophen-2-yl)-3h,4h-thieno[2,3-d]pyrimidin-4-one CAS 731820-91-0

Description

3-(2-Phenylethyl)-2-sulfanyl-5-(thiophen-2-yl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 731820-91-0), molecular formula C18H14N2OS3 and molecular weight 370.51 g/mol, is a CATO reference standard with documented purity and traceability.

3-(2-Phenylethyl)-2-sulfanyl-5-(thiophen-2-yl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (C18H14N2OS3) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 3-(2-Phenylethyl)-2-sulfanyl-5-(thiophen-2-yl)-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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