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Sodium 4-hydroxy-3,3-dimethyl-2-oxobutanoate; CAS No.: 89444-19-9; Sodium 4-hydroxy-3,3-dimethyl-2-oxobutanoate. PROPERTIES: This compound is a Sodium 4-hydroxy-3,3-dimethyl-2-oxobutanoate appearing as white crystalline powder. Its molecular weight is approximately 198.12 g/mol. It has characteristic sharp melting point around 200-205 C (with decomposition). The compound is highly soluble in water and polar organic solvents. It's moisture sensitive and may absorb atmospheric moisture readily. Store in tightly sealed containers under dry conditions. Keep below 25 C and protect from humidity. Handle with care using appropriate engineering controls to prevent dust inhalation. APPLICATIONS: Sodium 4-hydroxy-3,3-dimethyl-2-oxobutanoate is used in organic synthesis as sodium enolate equivalent as detailed in Synthetic Communications. It's employed in preparation of certain cholesterol-lowering agents mentioned in Journal of Medicinal Chemistry. Additionally, this compound serves as building block for preparing hydroxy ketone-containing pharmaceuticals reported in Organic & Biomolecular Chemistry. The hydroxyl and oxo groups provide valuable sites for further derivatization in medicinal chemistry applications.