| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 1333-74-0 | 氢; 液氢 | Hydrogen; Dihydrogen; Hydrogen (H2); Hydrogen molecule; Mol. hydrogen; Molecular hydrogen; Orthohydrogen; Parahydrogen; protium | ![]() | H2 | 详情 | 供应商 |
| 12385-13-6 | Hydrogen, atomic; Atomichydrogen; Hydrogen (H1); Hydrogen atom; Hydrogen radical; Monatomic hydrogen; protium | ![]() | H | 详情 | 供应商 |