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CAS 1006433-28-8

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1-methyl-4-nitro-1H-pyrazole-3-carbonyl chloride

Description:
1-Methyl-4-nitro-1H-pyrazole-3-carbonyl chloride is a chemical compound characterized by its pyrazole ring structure, which is a five-membered aromatic heterocycle containing two nitrogen atoms. The presence of a methyl group at the 1-position and a nitro group at the 4-position contributes to its unique reactivity and properties. The carbonyl chloride functional group at the 3-position enhances its electrophilic character, making it a useful intermediate in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. This compound is typically a solid at room temperature and may exhibit moderate to high solubility in organic solvents. Its reactivity is influenced by the electron-withdrawing nature of the nitro group, which can affect nucleophilic attack and other chemical transformations. Safety precautions should be observed when handling this compound, as carbonyl chlorides can be corrosive and may release toxic gases upon hydrolysis. Overall, 1-methyl-4-nitro-1H-pyrazole-3-carbonyl chloride is a valuable building block in synthetic organic chemistry.
Formula:C5H4ClN3O3
InChI:InChI=1S/C5H4ClN3O3/c1-8-2-3(9(11)12)4(7-8)5(6)10/h2H,1H3
InChI key:SXMNSQYPAHXNPE-UHFFFAOYSA-N
SMILES:CN1C=C(C(=N1)C(=O)Cl)[N+](=O)[O-]
Synonyms:
  • 1-methyl-4-nitro-1H-pyrazole-3-carbonyl chloride
  • 1-methyl-4-nitropyrazole-3-carbonyl chloride
  • 1-methyl-4-nitro-3-pyrazolecarbonyl chloride
  • 1-methyl-4-nitro-pyrazole-3-carbonyl chloride
  • 1H-pyrazole-3-carbonyl chloride, 1-methyl-4-nitro-
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