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Molecule record

3H-quinazolin-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
135408753

Functional groups

Aromatic ring

Physical properties

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

Common names and synonyms

  • 132305-20-5
  • 17227-47-3
  • 1H-quinazolin-4-one
  • 3,4-Dihydroquinazolin-4-one
  • 4(1H)-Quinazolinone
  • 4(3H)-Quinazolinone
  • 4(3H)-Quinazolone
  • 4-HQN
Show all 24 synonyms
  • 4-Hydroxyquinazoline
  • 4-Oxoquinazoline
  • 4-Quinazolinol
  • 4-Quinazolinol (9CI)
  • 4-Quinazolinone
  • 4-Quinazolone
  • 491-36-1
  • 84JOT4EY5X
  • DTXCID7029372
  • DTXSID8049412
  • MFCD00511302
  • Quinazolin-4(1H)-one
  • Quinazolin-4-ol
  • RefChem:524083
  • quinazolin-4(3H)-one
  • quinazolin-4-one

Structure identifiers

Canonical SMILES
O=c1[nH]cnc2ccccc12
Isomeric SMILES
C1=CC=C2C(=C1)C(=O)NC=N2
InChI
InChI=1S/C8H6N2O/c11-8-6-3-1-2-4-7(6)9-5-10-8/h1-5H,(H,9,10,11)
InChIKey
QMNUDYFKZYBWQX-UHFFFAOYSA-N
PubChem CID
135408753

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 3H-quinazolin-4-one; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for 3H-quinazolin-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