| Product Name | CAS No. | Molecular weight | Molecular formula |
| holmium nitride | 12029-81-1 | 178.9367 | HoN |
| Holmium(III) bromide hydrate | 223911-98-6 | 422.65728 | Br3Ho.H2O |
| Holmium(III) bromide | 13825-76-8 | 404.642 | Br3Ho |
| Holmium(III) chloride | 10138-62-2 | 271.29 | Cl3Ho |
| Holmium(III) chloride hexahydrate | 14914-84-2 | 379.38068 | Ho+3.3[Cl-].6[H2O] |
| Holmium(III) fluoride | 13760-78-6 | 221.9252 | Ho+3.3[F-] |
| Holmium(III) iodide | 13813-41-7 | 545.642 | I3Ho |
| Holmium(III) nitrate pentahydrate | 14483-18-2 | 441.0211 | 3[NO3-].Ho+3.5[H2O] |
| Holmium(III) oxide | 12055-62-8 | 377.8582 | 2[Ho+3].3[O-2] |
| Holmium(III) sulfate hydrate | 15622-40-9 | 618.0478 | 3[O4S-2].2[Ho+3] |
| Holmium | 7440-60-0 | Ho |