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CAS 108-26-9

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3-Methyl-2-pyrazolin-5-one

Description:
3-Methyl-2-pyrazolin-5-one, with the CAS number 108-26-9, is an organic compound belonging to the pyrazolone class. It is characterized by a five-membered ring structure containing two nitrogen atoms and a methyl group at the 3-position. This compound typically appears as a white to pale yellow crystalline solid and is known for its solubility in polar solvents such as water and alcohols. 3-Methyl-2-pyrazolin-5-one exhibits various chemical properties, including the ability to act as a chelating agent and a potential intermediate in organic synthesis. It is often utilized in the development of pharmaceuticals and agrochemicals due to its biological activity, which may include anti-inflammatory and analgesic effects. Additionally, this compound can participate in various chemical reactions, such as condensation and oxidation, making it a versatile building block in synthetic chemistry. Safety data indicates that it should be handled with care, as it may pose health risks upon exposure.
Formula:C4H6N2O
InChI:InChI=1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7)
InChI key:InChIKey=NHLAPJMCARJFOG-UHFFFAOYSA-N
SMILES:CC=1CC(=O)NN1
Synonyms:
  • 1H-3-Methylpyrazol-5-one
  • 2,4-Dihydro-5-methyl-3H-pyrazol-3-one
  • 2-Pyrazolin-5-one, 3-methyl-
  • 3-Methyl Pyrazole-5-One
  • 3-Methyl-1,4-dihydro-5-pyrazolone
  • 3-Methyl-1,4-dihydropyrazol-5-one
  • 3-Methyl-1H-4,5-dihydropyrazol-5-one
  • 3-Methyl-1H-pyrazol-5(4H)-one
  • 3-Methyl-1H-pyrazol-5-ol
  • 3-Methyl-1H-pyrazolin-5-one
  • See more synonyms
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