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Structure of 55864-87-4
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Ethyl 4-nitro-1H-pyrazole-3-carboxylate features a conjugated pyrazole core with a nitro group at the 4-position, enhancing electrophilicity for targeted functionalization. This bench-stable ester integrates readily into heterocyclic synthesis workflows, serving as a key intermediate in developing bioactive nitrogen-containing scaffolds.
Ethyl 4-nitro-1H-pyrazole-3-carboxylate serves as a versatile building block in heterocyclic synthesis, enabling efficient access to substituted pyrazole scaffolds via palladium-catalyzed cross-coupling and nucleophilic substitution reactions. The orthogonally functionalized nitro and ester groups facilitate sequential transformations, while its bench-stable crystalline nature supports straightforward handling and purification. Widely employed in medicinal chemistry and agrochemical research, it functions as a key intermediate for diversification into bioactive molecules.
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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: