6-Methyl-5-phenyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one CAS 692764-75-3

Description

Structurally, 6-Methyl-5-phenyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (C13H10N2OS2) contains a nitrogen-containing heterocyclic scaffold, 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 274.36 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

6-Methyl-5-phenyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 692764-75-3) is a high-purity analytical reference standard with the molecular formula C13H10N2OS2 and a molecular weight of 274.36 g/mol.

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.

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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