Benzo[a]pyrene (also called 3,4-Benzopyrene, 3,4-Benzpyrene) has the formula C20H12 and a molar mass of 252.3 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 | benzo[a]pyrene |
|---|---|
| SMILES | C1=CC=C2C3=C4C(=CC2=C1)C=CC5=C4C(=CC=C5)C=C3 |
| PubChem CID | 2336 |
| Other names | 3,4-Benzopyrene, 3,4-Benzpyrene, Benzpyrene, 6,7-Benzopyrene, 3,4-Benzopirene |
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.