| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 110-61-2 | 丁二腈 | Succinonitrile; Butanedinitrile | ![]() | C4H4N2 | 详情 | 供应商 |
| 289-80-5 | 哒嗪 | Pyridazine; 1,2-Diazabenzene; 1,2-Diazine; NSC 90792; o-Diazine | ![]() | C4H4N2 | 详情 | 供应商 |
| 289-95-2 | 嘧啶 | Pyrimidine; 1,3-Diazine; Metadiazine | ![]() | C4H4N2 | 详情 | 供应商 |
| 290-37-9 | 吡嗪; 对二氮杂苯 | Pyrazine; 1,4-Diazine | ![]() | C4H4N2 | 详情 | 供应商 |
| 504-30-3 | 3-哒嗪酮 | 3(2H)-Pyridazinone; Pyridazin-3(2H)-one | ![]() | C4H4N2O | 详情 | 供应商 |
| 557-01-7 | 2-羟基嘧啶 | 2-Hydroxypyrimidine; 1H-Pyrimidin-2-one | ![]() | C4H4N2O | 详情 | 供应商 |
| 1457-42-7 | 哒嗪N-氧化物 | Pyridazine N-oxide; NSC 343739; Pyridazine N-oxide; Pyridazine oxide | ![]() | C4H4N2O | 详情 | 供应商 |
| 3034-50-2 | 4-咪唑甲醛; 咪唑-4-甲醛; 4-甲酰基咪唑 | 1H-Imidazole-4-carbaldehyde; 1H-Imidazole-4-carboxaldehyde(9CI); Imidazole-4(or 5)-carboxaldehyde (6CI,7CI); Imidazole-4-carboxaldehyde(8CI); 1H-Imidazol-4-carboxaldehyde; 1H-Imidazol-4-ylcarboxaldehyde; 1H-Imidazole-4-carbaldehyde; 3H-Imidazole-4-carboxaldehyde; 4(5)-Imidazolecarboxaldehyde; 4-Formylimidazole; 5-Imidazolecarboxaldehyde; NSC400521; Imidazole-4-Carboxaldehyde; | ![]() | C4H4N2O | 详情 | 供应商 |
| 3197-61-3 | 1-甲酰基咪唑; 1H-咪唑-1-甲醛 | 1H-Imidazole-1-carboxaldehyde; Imidazole,1-formyl- (8CI); Imidazole-1-carboxaldehyde (7CI); 1-Formyl-1H-imidazole; 1-Formylimidazole; N-Formylimidazole | ![]() | C4H4N2O | 详情 | 供应商 |
| 4562-27-0 | 4-嘧啶酮 | 4-Pyrimidinol; Uraeil | ![]() | C4H4N2O | 详情 | 供应商 |
| 6270-63-9 | 2-羟基吡嗪 | 2-Hydroxypyrazine; Pyrazin-2(1H)-one; 1H-Pyrazin-2-one | ![]() | C4H4N2O | 详情 | 供应商 |
| 10111-08-7 | 2-咪唑甲醛; 2-甲酰基咪唑 | Imidazole-2-carboxaldehyde; 1H-Imidazole-2-carbaldehyde; 2-Formylimidazole | ![]() | C4H4N2O | 详情 | 供应商 |
| 26456-59-7 | 5-羟基嘧啶 | 5-Hydroxypyrimidine; 5-Pyrimidinol | ![]() | C4H4N2O | 详情 | 供应商 |
| 35344-95-7 | 1H-吡唑-4-甲醛 | 1H-Pyrazole-4-carboxaldehyde; 4-Formylpyrazole; 4-Pyrazolecarboxaldehyde | ![]() | C4H4N2O | 详情 | 供应商 |
| 51953-17-4 | 4(3H)-嘧啶酮; 4-羟基嘧啶 | 4(3H)-Pyrimidone; 4-Hydroxypyrimidine | ![]() | C4H4N2O | 详情 | 供应商 |
| 51953-18-5 | 4-羟基嘧啶 | 4-Pyrimidinol; 4-Hydroxypyrimidine | ![]() | C4H4N2O | 详情 | 供应商 |
| 17043-94-6 | 嘧啶 N-氧化物 | Pyrimidine-1-oxide | ![]() | C4H4N2O | 详情 | 供应商 |
| 3696-36-4 | Propanedinitrile,2-methyl-; Malononitrile,methyl- (7CI,8CI); Propanedinitrile, methyl- (9CI); 1,1-Dicyanoethane; 2-Methylmalononitrile; Methylmalononitrile; Methylpropanedinitrile | ![]() | C4H4N2 | 详情 | 供应商 | |
| 2423-65-6 | Pyrazine, 1-oxide; NSC 341054; Pyrazine N-monoxide; Pyrazine N-oxide; Pyrazine mono-N-oxide; Pyrazinemonooxide; Pyrazine oxide | ![]() | C4H4N2O | 详情 | 供应商 | |
| 25682-84-2 | 2H-Imidazole,2-methylene-; 1,4-Diazafulvene | ![]() | C4H4N2 | 详情 | 供应商 | |