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5-(methylsulfonyl)quinolin-3-ol; CAS No.: 1956384-81-8; 5-(methylsulfonyl)quinolin-3-ol. PROPERTIES: 5-(methylsulfonyl)quinolin-3-ol is a solid compound with a molecular weight of 234.3 g/mol. It has a melting point ranging from 132 to 135 C and is moderately soluble in common organic solvents like methanol and ethyl acetate. The compound is sensitive to moisture and should be stored in a tightly sealed container under dry conditions. It is stable at room temperature but may decompose upon exposure to temperatures above 120 C. When handling, standard laboratory precautions should be observed, including avoiding skin contact and using proper ventilation. APPLICATIONS: 5-(methylsulfonyl)quinolin-3-ol functions as a versatile intermediate in the synthesis of pharmaceuticals, particularly in the development of antimicrobial and antiviral agents. The hydroxyl group provides a site for further modification, such as esterification or ether formation. In medicinal chemistry, 5-(methylsulfonyl)quinolin-3-ol is used to create compounds with improved pharmacokinetic profiles. It also serves as a building block in the synthesis of fluorescent dyes, where its quinoline core contributes to emission characteristics. Additionally, the compound is employed in the preparation of coordination compounds with metal ions for catalytic applications in organic synthesis. These uses are typically encountered in pharmaceutical R&D departments and specialized chemical synthesis facilities.