3-Butyl-5-(4-fluorophenyl)-2-mercaptothieno[2,3-d]pyrimidin-4(3h)-one CAS 749902-09-8

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-Butyl-5-(4-fluorophenyl)-2-mercaptothieno[2,3-d]pyrimidin-4(3h)-one (CAS 749902-09-8), a certified reference material (molecular formula C16H15FN2OS2, MW 334.43 g/mol) for analytical method development and quality control.

Based on its molecular formula C16H15FN2OS2, 3-Butyl-5-(4-fluorophenyl)-2-mercaptothieno[2,3-d]pyrimidin-4(3h)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 334.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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