Description

Description

4,7-Dichloro-1,2,3-benzothiadiazole (CAS No. 24228-40-8) is a high-purity heterocyclic compound with the molecular formula C₆H₂Cl₂N₂S. This aromatic benzothiadiazole derivative is characterized by its two chlorine substituents at the 4 and 7 positions, making it a valuable intermediate in organic synthesis and pharmaceutical research. The compound exhibits excellent stability under standard conditions and is supplied as a crystalline solid with ??98% purity (HPLC).

Researchers utilize this reagent for its unique reactivity in cross-coupling reactions, nucleophilic substitutions, and as a building block for agrochemicals and bioactive molecules. Its electron-deficient structure is particularly useful in materials science for designing organic semiconductors and optoelectronic materials. Each batch is rigorously tested by GC-MS and NMR to ensure consistency and quality, making it ideal for sensitive applications.

Packaging options include 1g, 5g, and 25g amber glass vials with argon packing to prevent degradation. Store at 2-8??C in a dry environment. For safety, refer to the provided SDS detailing GHS hazard classifications (H302, H315, H319, H335).

Application

4,7-Dichloro-1,2,3-benzothiadiazole serves as a key precursor in Suzuki-Miyaura and Buchwald-Hartwig couplings to synthesize extended ??-conjugated systems for OLED materials. It is employed in crop protection research to develop novel fungicides targeting chitin synthesis inhibition. The compound’s rigid planar structure also facilitates studies on charge transport in organic thin-film transistors (OTFTs).

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