Các bạn có thể tra cứu danh mục số CAS các vần khác tại đây Hoặc tải về bản danh mục số CAS đầy đủ theo liên kết cuối trang
| Công thức | Tên gọi | Số CAS |
| ErB4 | erbium(III) boride | 12310-44-0 |
| ErBr3 | erbium(III) bromide | 13536-73-7 |
| Er(CHO2)3 | erbium(III) formate | 15331-72-3 |
| ErCl3 | erbium(III) chloride | 10138-41-7 |
| ErCl3•6H2O | erbium(III) chloride hexahydrate | 10025-75-9 |
| ErF3 | erbium(III) fluoride | 13760-83-3 |
| ErH3 | erbium(III) hydride | 13550-53-3 |
| ErI3 | erbium(III) iodide | 13813-42-8 |
| ErN | erbium(III) nitride | 12020-21-2 |
| ErNbO4 | erbium(III) niobate | 12061-00-6 |
| ErS | erbium(II) sulfide | 12159-66-9 |
| ErTe | erbium(II) telluride | 12020-39-2 |
| ErVO4 | erbium(III) vanadate | 13596-17-3 |
| Er2O3 | erbium(III) oxide | 12061-16-4 |
| Er2(SO4)3 | erbium(III) sulfate | 13478-49-4 |
| Er2S3 | erbium(III) sulfide | 12159-66-9 |
| Er2Te3 | erbium(III) telluride | 12020-39-2 |
| EsBr2 | einsteinium(II) bromide | 70292-43-2 |
| EsBr3 | einsteinium(III) bromide | 72461-17-7 |
| EsCl2 | einsteinium(II) chloride | 66693-95-6 |
| EsCl3 | einsteinium(III) chloride | 24645-86-1 |
| EsF3 | einsteinium(III) fluoride | 99644-27-6 |
| EsI2 | einsteinium(II) iodide | 70292-44-3 |
| EsI3 | einsteinium(III) iodide | 99644-28-7 |
| Es2O3 | einsteinium(III) oxide | 37362-94-0 |
| EuBr2 | europium(II) bromide | 13780-48-8 |
| EuBr3 | europium(III) bromide | 13759-88-1 |
| Eu(CHO2)3 | europium(III) formate | 3252-55-9 |
| EuCl2 | europium(II) chloride | 13769-20-5 |
| EuCl3 | europium(III) chloride | 10025-76-0 |
| EuF2 | europium(II) fluoride | 14077-39-5 |
| EuF3 | europium(III) fluoride | 13765-25-8 |
| EuI2 | europium(II) iodide | 22015-35-6 |
| EuI3 | europium(III) iodide | 13759-90-5 |
| EuN | europium(III) nitride | 12020-58-5 |
| Eu(NbO3)2 | europium(II) niobate | 55216-32-5 |
