Dofetilide is a methanesulfonanilide compound supplied at a minimum purity of 95 % for research use in chemical and biochemical laboratories. It is identified by CAS number 115256-11-6, has the empirical formula C₁₉H₂₇N₃O₅S₂ and a molar mass of 441,57 g/mol. A reported boiling point of 614,1 °C further characterises the substance for process and handling considerations. This molecule is of interest in pharmacological and medicinal-chemistry contexts, particularly studies involving ion-channel modulation and related structure–activity work. size provides a practical quantity for assay development, reference standards and small-scale synthetic elaboration. Clear molecular data enable reliable stoichiometric planning and analytical confirmation. Sourced from manufacturer Carl ROTH, dofetilide fits research inventories that require well-defined small-molecule actives for exploratory biology or chemistry programmes. Observe standard laboratory controls for potent fine chemicals and store according to the recommended refrigerated conditions indicated for the product. This article is part of Organic building blocks & synthesis reagents, in Organic chemicals & synthesis reagents. Key features CAS number: 115256-11-6 Pack sizes: 500 mg, 1 g, 2 g Purity: min. 95 % Empirical formula: C₁₉H₂₇N₃O₅S₂ Molar mass: 441,57 g/mol Boiling point: 614,1 °C Storage temperature: +2 to +8 °C Technical Information Sheet: