3-Ethyl-5,6-dimethyl-2-((2-methylbenzyl)thio)thieno[2,3-d]pyrimidin-4(3H)-one CAS 618427-53-5

Description

CATO manufactures 3-Ethyl-5,6-dimethyl-2-((2-methylbenzyl)thio)thieno[2,3-d]pyrimidin-4(3H)-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.

3-Ethyl-5,6-dimethyl-2-((2-methylbenzyl)thio)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 618427-53-5) is a high-purity analytical reference standard with the molecular formula C18H20N2OS2 and a molecular weight of 344.49 g/mol.

Structurally, 3-Ethyl-5,6-dimethyl-2-((2-methylbenzyl)thio)thieno[2,3-d]pyrimidin-4(3H)-one (C18H20N2OS2) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 344.49 g/mol, it falls into the moderately-high-molecular-weight range. 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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