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Structure of 117-21-5
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4-Chloroisobenzofuran-1,3-dione is a chlorinated dibenzoquinone derivative featuring a fused bicyclic core with electron-withdrawing chlorine and carbonyl functionalities. This structure imparts high electrophilicity and stability under standard conditions, enabling its use in Diels-Alder cycloadditions and as a synthetic intermediate in heterocyclic chemistry.
4-Chloroisobenzofuran-1,3-dione serves as a versatile electrophilic building block in synthetic organic chemistry, enabling efficient construction of heterocyclic scaffolds through nucleophilic substitution and cycloaddition reactions. Its reactive chlorine atom facilitates functionalization under mild conditions, while the dibenzoquinone core provides structural rigidity and stability. The compound exhibits excellent bench stability and compatibility with common protecting groups, making it a practical choice for iterative synthesis in medicinal chemistry and process development workflows.
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GHS No : GHS06
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Signal Word : Danger
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UN#: 2811
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H301-H319-H402-H412
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Precautionary Statements : P264-P270-P273-P280-P305+P351+P338-P330-P405-P501
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Lot numbers can be found on the outside label of a product: