Caffeine 3D structure

Caffeine (also called Guaranine, 1,3,7-Trimethylxanthine) has the formula C8H10N4O2 and a molar mass of 194.19 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.

Formula
C8H10N4O2
Molar mass
194.19 g/mol
PubChem CID
2519
Heavy atoms
14
Category
Stimulants

Explore in 3D Space-filling model PubChem

Identifiers

IUPAC name1,3,7-trimethylpurine-2,6-dione
SMILESCN1C=NC2=C1C(=O)N(C(=O)N2C)C
PubChem CID2519
Other namesGuaranine, 1,3,7-Trimethylxanthine, Methyltheobromine, Theine, Thein

How to read the 3D model

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.

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