Coumarin (also called 2H-Chromen-2-one, 2H-1-Benzopyran-2-one) has the formula C9H6O2 and a molar mass of 146.14 g/mol. The model above is PubChem's computed 3D conformer: drag to rotate, scroll to zoom, and use the measurement tools to read bond lengths and angles.
Explore in 3D Space-filling model PubChem
| IUPAC name | chromen-2-one |
|---|---|
| SMILES | C1=CC=C2C(=C1)C=CC(=O)O2 |
| PubChem CID | 323 |
| Other names | 2H-Chromen-2-one, 2H-1-Benzopyran-2-one, cumarin, 1,2-Benzopyrone, chromen-2-one |
Atoms use the standard CPK colors: carbon gray, hydrogen white, oxygen red, nitrogen blue, sulfur yellow. Switch to Spacefill to see the molecule's overall shape and size, or Stick for a clear view of the bonds. Click two atoms in distance mode to measure a bond length in ångströms.
3D coordinates are PubChem's computed conformer, one low-energy shape of the molecule. Flexible molecules can take many other shapes.