TCI B6021, 2-Butylbenzo[d]isothiazol-3(2H)-one (CAS No. 4299-07-4), is a heterocyclic building block belonging to the isothiazolone family, widely used in organic synthesis research. This compound serves as a versatile precursor for the derivatization of bioactive molecules, antimicrobial agents, and functional materials. Its N-butyl-substituted benzoisothiazolone core makes it a valuable intermediate in medicinal chemistry, agrochemical, and material science research workflows.
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