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Structure of 10234-66-9
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1-Methyl-1H-pyrazol-5(4H)-one features a planar, electron-rich heterocyclic core with enhanced solubility in polar solvents. This bench-stable compound integrates readily into synthetic sequences requiring nitrogen-donor ligands or hydrogen-bonding motifs. Its tautomeric equilibrium supports versatile participation in transition-metal catalysis and medicinal chemistry scaffolds.
1-Methyl-1H-pyrazol-5(4H)-one serves as a versatile building block in medicinal chemistry, enabling efficient access to pyrazole-based heterocycles through standard functionalization protocols. Its stability under routine reaction conditions and compatibility with diverse coupling reactions facilitate straightforward derivatization. The molecule functions effectively as a synthetic equivalent for 1-methylpyrazolone scaffolds in API development, particularly in the construction of bioactive compounds via nucleophilic substitution or metal-catalyzed transformations.
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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: