Indigo (also called Indigotin, Indigo Blue) has the formula C16H10N2O2 and a molar mass of 262.26 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 | 2-(3-hydroxy-1H-indol-2-yl)indol-3-one |
|---|---|
| SMILES | C1=CC=C2C(=C1)C(=C(N2)C3=NC4=CC=CC=C4C3=O)O |
| PubChem CID | 10215 |
| Other names | Indigotin, Indigo Blue, Vat blue 1, Cystoceva, Diindogen |
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.