5-((5-Bromo-6-chloro-2-(methylthio)pyrimidin-4-yl)amino)pyrimidine-2,4(1H,3H)-dione CAS 7356-33-4

Description

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.

5-((5-Bromo-6-chloro-2-(methylthio)pyrimidin-4-yl)amino)pyrimidine-2,4(1H,3H)-dione (CAS 7356-33-4), molecular formula C9H7BrClN5O2S and molecular weight 364.61 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, 5-((5-Bromo-6-chloro-2-(methylthio)pyrimidin-4-yl)amino)pyrimidine-2,4(1H,3H)-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 364.61 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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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