| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 14234-48-1 | helium, ion (He1+); He1+; Helium ion (He+); Helium ion(1+); Helium monocation; Helium monopositive ion; Helium(1+) | ![]() | HHe+ | 详情 | 供应商 | |
| 12596-23-5 | helium, ion (He41+)(8CI,9CI); He41+; Tetratomic helium(1+) | ![]() | He4 | 详情 | 供应商 | |
| 12184-98-4 | helium, mol. (He2)(8CI,9CI); Diatomichelium; Dihelium; He2; Helium cluster (He2); Helium dimer; Helium dimer (He2); Helium molecule (He2); Helium-4 dimer | ![]() | He2 | 详情 | 供应商 | |
| 14762-55-1 | helium, isotope of mass3; 3He; He 3; Helium-3 | ![]() | He | 详情 | 供应商 | |
| 12596-17-7 | helium, mol. (He6He)(9CI); He6He; helium, isotope of mass 6, mol. (He6He) | ![]() | He2 | 详情 | 供应商 |