6-Isopropyl-5-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one CAS 72306-28-6

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-Isopropyl-5-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one.

6-Isopropyl-5-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 72306-28-6), molecular formula C8H12N2OS and molecular weight 184.26 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H12N2OS, 6-Isopropyl-5-methyl-2-thioxo-2,3-dihydropyrimidin-4(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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