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CAS 84547-60-4

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1-methyl-1H-pyrazole-3-carbonyl chloride

Description:
1-Methyl-1H-pyrazole-3-carbonyl chloride, with the CAS number 84547-60-4, is a chemical compound characterized by its pyrazole ring structure, which is a five-membered aromatic heterocycle containing two nitrogen atoms. This compound features a carbonyl chloride functional group, making it a reactive acyl chloride derivative. It is typically a colorless to pale yellow liquid or solid, depending on its physical state at room temperature. The presence of the carbonyl chloride group indicates that it can participate in nucleophilic acyl substitution reactions, making it useful in organic synthesis, particularly for the introduction of acyl groups into various substrates. Additionally, the methyl group attached to the pyrazole ring can influence the compound's reactivity and solubility. Due to its reactive nature, it should be handled with care, as it can release hydrochloric acid upon hydrolysis. Overall, 1-methyl-1H-pyrazole-3-carbonyl chloride is significant in the synthesis of pharmaceuticals and agrochemicals, contributing to the development of various bioactive compounds.
Formula:C5H5ClN2O
InChI:InChI=1/C5H5ClN2O/c1-8-3-2-4(7-8)5(6)9/h2-3H,1H3
SMILES:Cn1ccc(C(=O)Cl)n1
Synonyms:
  • 1H-Pyrazole-3-carbonyl chloride, 1-methyl-
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