| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 7440-42-8 | 硼 | Boron; Borfast; Boron atom; Boron element; Borotrac; SB 95; SB 95 (boron); Trona; Trona(element); V 99 | ![]() | B | 详情 | 供应商 |
| 7440-44-0 | 碳; 活性碳; 炭 | Carbon; Activated carbon; Activated charcoal; c | ![]() | C | 详情 | 供应商 |
| 7440-47-3 | 铬; 金属铬 | Chromium; Chrome | ![]() | Cr | 详情 | 供应商 |
| 7440-48-4 | 电解钴 | Cobalt; C.I. 77320 | ![]() | Co | 详情 | 供应商 |
| 7440-43-9 | 镉; Cd | Cadmium; cadmium dust fume; cadmium elementaire; cadmium powder; colloidal cadmium; kadmium; cadmium atomic absorption standard solution | ![]() | Cd | 详情 | 供应商 |
| 7440-46-2 | 铯; 金属铯 | cesium; cesium-133 | ![]() | Cs | 详情 | 供应商 |
| 7440-41-7 | 铍粒 | Beryllium; Berylliumatom; Beryllium element; Beryllium-9; Glucinium | ![]() | Be | 详情 | 供应商 |
| 7440-45-1 | 铈 | Cerium; NSC 158935 | ![]() | Ce | 详情 | 供应商 |
| 7440-40-6 | berkelium | ![]() | Bk | 详情 | 供应商 |