Cystine (also called L-cystine, L-Dicysteine) has the formula C6H12N2O4S2 and a molar mass of 240.3 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 | (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid |
|---|---|
| SMILES | C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N |
| PubChem CID | 67678 |
| Other names | L-cystine, L-Dicysteine, L-Cysteine disulfide, 1-Cystine, Dicysteine |
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.