| 1 | Calcium, doubly charged positive ion |
| 2 | Ca(2+) |
| 3 | Calcium ion |
| 4 | Ca2+ |
| 5 | Calcium(ii) cation |
| 6 | Calcium(2+) ion |
| 7 | Calcium |
| Formula | Ca |
| Molecular Weight | 40.078 |
| SMILES | [Ca++] |
| InchI | InChI=1S/Ca/q+2 |
| InChIkey | BHPQYMZQTOCNFJ-UHFFFAOYSA-N |
| DrugBank Reference | N/A |
| ChEBI Reference | N/A |
| PubChem Reference | N/A |