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Structure of 881668-70-8
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5-Chloro-1H-pyrazole-3-carboxylic acid features a chlorinated pyrazole core with a carboxylic acid at the 3-position, enabling direct conjugation in bioactive molecule synthesis. This electron-deficient heterocycle integrates readily into pharmaceutical scaffolds and serves as a key intermediate in medicinal chemistry campaigns targeting kinase inhibitors and antimicrobial agents.
5-Chloro-1H-pyrazole-3-carboxylic acid serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient access to substituted pyrazole scaffolds. Its carboxylic acid functionality facilitates direct coupling reactions, while the 5-chloro substituent provides a handle for palladium-catalyzed cross-coupling transformations. The compound exhibits good bench stability and is compatible with standard purification methods, making it well-suited for use in multi-step syntheses of bioactive heterocycles.
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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: