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Structure of 19155-88-5
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5-Benzofurazan carboxylic acid features a fused benzene-furazan core with a carboxylic acid group at the 5-position, delivering high stability and strong electron-withdrawing character. This arrangement enhances its utility in synthetic transformations requiring polarized functional groups, particularly in the construction of heterocyclic scaffolds for pharmaceutical and materials applications.
5-Benzofurazancarboxylic acid serves as a versatile building block for heterocyclic synthesis, enabling direct functionalization at the carboxylic acid group for amide, ester, and acyl chloride derivatization. Its benzofurazan core provides enhanced stability and electron-deficient character, facilitating electrophilic substitution and serving as a key scaffold in bioactive molecule development. The compound exhibits good bench stability and is readily purified by recrystallization, supporting its use in medicinal chemistry and process-scale applications.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: