Cas no 40711-34-0 (2,5-dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester)

2,5-Dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester is a pyrazole derivative with applications in organic synthesis and pharmaceutical intermediates. Its structure features a reactive ester group and a pyrazole core, making it a versatile building block for heterocyclic compounds. The compound exhibits stability under standard conditions and is soluble in common organic solvents, facilitating its use in various reactions. Its ethyl ester moiety enhances reactivity in nucleophilic substitution and condensation reactions. This intermediate is particularly valuable in the development of biologically active molecules, including potential agrochemicals and medicinal compounds. Proper handling requires standard laboratory precautions due to its chemical reactivity.
2,5-dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester structure
40711-34-0 structure
Product Name:2,5-dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester
CAS No:40711-34-0
MF:C7H10N2O3
MW:170.165901660919
MDL:MFCD16620161
CID:841076
Update Time:2026-04-29

2,5-dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester Chemical and Physical Properties

Names and Identifiers

    • 2,5-dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester
    • 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-2-methyl-5-oxo-, ethyl ester
    • 3-Hydroxy-1-methyl-5-pyrazolcarbonsaeure-ethylester
    • ethyl 2,5-dihydro-2-methyl-5-oxo-1H-pyrazole-3-carboxylate
    • ethyl 2-methyl-5-oxo-1H-pyrazole-3-carboxylate
    • 2-Methyl-3-carbaethoxy-3-pyrazolin-5-on
    • 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester
    • AC1LCZ4V
    • AK-68284
    • Ethyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate
    • ethyl 3-hydroxy-1-methyl-1H-pyrazole-5-carboxylate
    • KB-252681
    • SureCN1850876
    • MDL： MFCD16620161
    • Inchi： InChI=1S/C7H10N2O3/c1-3-12-7(11)5-4-6(10)8-9(5)2/h4H,3H2,1-2H3,(H,8,10)
    • InChI Key： YMBWWRQULHMZBY-UHFFFAOYSA-N
    • SMILES： CCOC(=O)C1=CC(=NN1C)O

Computed Properties

  • Exact Mass: 170.0692
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 3

Experimental Properties

  • PSA: 58.64

2,5-dihydro-2-methyl-5-oxo-1H-Pyrazole-3-carboxylic acid ethyl ester Pricemore >>

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Advanced ChemBlocks
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1PlusChem
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1PlusChem
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