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Molecule record

1H-cinnolin-4-one

C8H6N2O

146.15 g/mol

Loading structure

Molecular properties

Formula
C8H6N2O
Molar mass
146.15 g·mol−1
Exact mass
146.0480 Da
7
PubChem CID
255799

Functional groups

Aromatic ring

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • 1,4-DIHYDROCINNOLIN-4-ONE
  • 18514-84-6
  • 1H-cinnolin-4-one;hydrochloride
  • 4(1H)-Cinnolinone
  • 4-Cinnolinol
  • 4-HYDROXYCINNOLINE
  • 4-Hydroxy-cinnoline
  • 4-cinnolinone
Show all 24 synonyms
  • 875-66-1
  • CINNOLIN-4(1H)-ONE
  • Cinnolin-4-ol
  • DTXCID20158855
  • DTXSID20236364
  • KUS8838BCK
  • MFCD00956158
  • MFCD08704234
  • MLS000760649
  • NCIOpen2_000914
  • NSC-81669
  • NSC81669
  • RefChem:98634
  • SMR000370701
  • UNII-KUS8838BCK
  • cinnoline, 4-hydroxy-

Structure identifiers

Canonical SMILES
O=c1cn[nH]c2ccccc12
Isomeric SMILES
C1=CC=C2C(=C1)C(=O)C=NN2
InChI
InChI=1S/C8H6N2O/c11-8-5-9-10-7-4-2-1-3-6(7)8/h1-5H,(H,10,11)
InChIKey
UFMBERDMCRCVSM-UHFFFAOYSA-N
PubChem CID
255799

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for 1H-cinnolin-4-one; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for 1H-cinnolin-4-one; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)
Open source record