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5-bromo-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione; CAS No.: 26676-21-1; 5-bromo-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione. PROPERTIES: 5-bromo-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione appears as a white to off-white solid with molecular weight 301.0 g/mol. It has a melting point between 230-235 C and shows limited aqueous solubility but good solubility in DMSO. Proper storage requires a tightly sealed container at room temperature away from acidic vapors. Safety precautions include wearing protective gloves and eye protection as this compound may cause skin and eye irritation. APPLICATIONS: This brominated, trifluoromethyl-substituted pyrimidine is employed in the development of antiviral agents. The pyrimidine dione structure provides critical interactions with viral polymerases as reported in antiviral research literature. In materials science, 5-bromo-6-(trifluoromethyl)-2,4(1H,3H)-pyrimidinedione derivatives have found use in creating self-assembled monolayers for surface modification. According to materials chemistry journals, the pyrimidine core promotes adsorption onto metal surfaces while the trifluoromethyl group imparts chemical resistance.