Cas no 59942-87-9 (Pyrazolo1,5-apyridin-2(1H)-one)

Pyrazolo[1,5-a]pyridin-2(1H)-one is a heterocyclic compound featuring a fused pyrazole and pyridinone structure, which serves as a versatile scaffold in medicinal chemistry and material science. Its rigid bicyclic framework offers excellent stability and tunable reactivity, making it valuable for the development of pharmaceuticals, particularly in kinase inhibition and CNS-targeted therapies. The compound's electron-rich aromatic system facilitates diverse functionalization, enabling precise modulation of physicochemical properties. Its synthetic accessibility and compatibility with modern coupling methodologies further enhance its utility in drug discovery. Researchers leverage this core structure to explore novel bioactive molecules with potential applications in oncology, neurology, and anti-inflammatory therapeutics.
Pyrazolo1,5-apyridin-2(1H)-one structure
59942-87-9 structure
Product Name:Pyrazolo1,5-apyridin-2(1H)-one
CAS No:59942-87-9
MF:C7H6N2O
MW:134.13534116745
MDL:MFCD09878924
CID:823435
Update Time:2025-06-07

Pyrazolo1,5-apyridin-2(1H)-one Chemical and Physical Properties

Names and Identifiers

    • Pyrazolo[1,5-a]pyridin-2(1H)-one
    • 1H-pyrazolo[1,5-a]pyridin-2-one
    • 2-HYDROXYPYRAZOLO[1,5-A]PYRIDINE
    • Pyrazolo[1,5-a]pyridin-2-o
    • pyrazolo[1,5-a]pyridin-2-ol
    • Pyrazolo[1,5-apyridin-2-ol
    • WZCJFNVSGQSWLF-UHFFFAOYSA-N
    • 8937AB
    • FCH875176
    • 1H,2H-pyrazolo[1,5-a]pyridin-2-one
    • BC638899
    • AB0081457
    • ST24049053
    • Y1674
    • Pyrazolo1,5-apyridin-2(1H)-one
    • MDL: MFCD09878924
    • Inchi: 1S/C7H6N2O/c10-7-5-6-3-1-2-4-9(6)8-7/h1-5H,(H,8,10)
    • InChI Key: WZCJFNVSGQSWLF-UHFFFAOYSA-N
    • SMILES: O=C1C=C2C=CC=CN2N1

Computed Properties

  • Exact Mass: 134.04800
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 0
  • Complexity: 263
  • Topological Polar Surface Area: 32.299

Experimental Properties

  • Density: 1.36
  • PSA: 37.53000
  • LogP: 1.03990

Pyrazolo1,5-apyridin-2(1H)-one Customs Data

  • HS CODE:2933990090
  • Customs Data:

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Pyrazolo1,5-apyridin-2(1H)-one Production Method

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