Rare earth metals
Product name | Chemical formula | CAS No. |
| Lanthanum metal | La | 7439-91-0 |
| Cerium metal | Ce | 7440-45-1 |
| praseodymium | Pr | 7440-10-0 |
| Neodymium | Nd | 7440-00-8 |
| Promethium | Pm | 7440-12-2 |
| Samarium | Sm | 7440-19-9 |
| Europium | Eu | 7440-53-1 |
| Gadolinium | Gd | 7440-54-2 |
| Terbium | Tb | 7440-27-9 |
| Dysprosium | Dy | 7429-91-6 |
| Holmium | Ho | 7440-60-0 |
| Erbium | Er | 7440-52-0 |
| Thulium | Tm | 7440-30-4 |
| Ytterbium | Yb | 7440-64-4 |
| Lutetium | Lu | 7439-94-3 |
| Scandium | Sc | 7440-20-2 |
| Yttrium | Y | 7440-65-5 |
Rare earth oxides
Product name | Chemical formula | CAS No. |
| Lanthanum oxide | La2O3 | 1312-81-8 |
| Cerium oxide | CeO2 | 1306-38-3 |
| praseodymium oxide | Pr6O11 | 12037-29-5 |
| Neodymium oxide | Nd2O3 | 1313-97-9 |
| Promethium oxide | Pm2O3 | 12036-25-8 |
| Samarium oxide | Sm2O3 | 12060-58-1 |
| Europium oxide | Eu2O3 | 1308-96-9 |
| Gadolinium oxide | Gd2O3 | 12064-62-9 |
| Terbium oxide | Tb2O3 | 12036-41-8 |
| Dysprosium oxide | Dy2O3 | 1308-87-8 |
| Holmium oxide | Ho2O3 | 12055-62-8 |
| Erbium oxide | Er2O3 | 12061-16-4 |
| Thulium oxide | Tm2O3 | 12036-44-1 |
| Ytterbium oxide | Yb2O3 | 1314-37-0 |
| Lutetium oxide | Lu2O3 | 12032-20-1 |
| Scandium oxide | Sc2O3 | 12060-08-1 |
| Yttrium oxide | Y2O3 | 1314-36-9 |
Rare earth chlorides
Product name | Chemical formula | CAS No. |
| Lanthanum chloride | LaCl3 | 10099-58-8 |
| Cerium(III) chloride | CeCl3 | 7790-86-5 |
| Praseodymium chloride | PrCl3 | 10361-79-2 |
| Neodymium(III) chloride | Nd | 10024-93-8 |
| Samarium(III) chloride | SmCl3 | 10361-82-7 |
| Gadolinium chloride | GdCl3 | 10138-52-0 |
| Yttrium(III) chloride | YCl3 | 10361-92-9 |
| Terbium(III) chloride | TbCl3 | 10042-88-3 |
| Dysprosium(III) chloride | DyCl3 | 10025-74-8 |
| Erbium(III) chloride | ErCl3 | 10138-41-7 |
| Ytterbium(III) chloride | YbCl3 | 10361-91-8 |
Rare earth fluorides
Product name |
Chemical formula |
CAS No. |
| Lanthanum fluoride | LaF3 | 13709-38-1 |
| Cerium fluoride | CeF3 | 7758-88-5 |
| Neodymium fluoride | NdF3 | 13709-42-7 |
| Gadolinium fluoride | GdF3 | 13765-26-9 |
| Yttrium fluoride | YF3 | 13709-49-4 |
