| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 7440-59-7 | 高纯氦; 氦气 | helium; Atomichelium; helium-4; o-helium; p-helium |  | He | 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 |
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