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Structure of 38858-90-1
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4-Methyl-3-nitro-1H-pyrazole features a fused heterocyclic core with complementary electron-deficient and alkyl functionalities. This arrangement enables direct incorporation into diverse synthetic scaffolds, offering enhanced reactivity in transition-metal-catalyzed coupling processes and facilitating access to functionalized pyrazole derivatives under standard conditions.
4-Methyl-3-nitro-1H-pyrazole serves as a versatile heterocyclic building block in medicinal chemistry and agrochemical synthesis. Its regioselective reactivity enables direct functionalization at the C4 position, while the nitro group facilitates subsequent reductions or nucleophilic substitutions. The molecule exhibits good bench stability and compatibility with common coupling reactions, making it valuable for constructing complex nitrogen-containing scaffolds in API development.
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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: