| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 68-94-0 | 次黄嘌呤; 6-羟基嘌呤 | Hypoxanthine; 6-Hydroxypurine; 1,7-Dihydro-6H-purin-6-one; Purin-6(1H)-one; 9H-Purin-6-ol; Purin-6-ol |  | C5H4N4O | 详情 | 供应商 |
| 315-30-0 | 别嘌醇; 4-羟基吡唑并[3,4-d]嘧啶; 1H-吡唑并[3,4-d]嘧啶-4-醇 | Allopurinol; 4-Hydroxypyrazolo[3,4-d]pyrimidine; 1H-Pyrazolo[3,4-d]pyrimidin-4-ol; HPP |  | C5H4N4O | 详情 | 供应商 |
| 39968-33-7 | HOAt; N-羟基-7-偶氮苯并三氮唑 | 1-Hydroxy-7-azabenzotriazole; HOAT; 3H-[1,2,3]-Triazolo[4,5-b]pyridin-3-ol |  | C5H4N4O | 详情 | 供应商 |
| 256408-48-7 | Imidazo[1,2-d][1,2,4]triazin-5(6H)-one; Imidazo[1,2-d][1,2,4]triazin-5(6H)-one (9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 145837-60-1 | Imidazo[1,5-a]-1,3,5-triazin-4(3H)-one; Imidazo[1,5-a]-1,3,5-triazin-4(1H)-one(9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 10325-61-8 | Oxazolo[5,4-d]pyrimidin-7-amine; Oxazolo[5,4-d]pyrimidine,7-amino- (7CI,8CI); NSC 95633 |  | C5H4N4O | 详情 | 供应商 | |
| 10296-38-5 | Pyridine, 4-azido-,1-oxide; 4-Azidopyridine1-oxide; 4-Azidopyridine N-oxide; NSC 526982 |  | C5H4N4O | 详情 | 供应商 | |
| 54346-27-9 | Pyrazolo[1,5-a]-1,3,5-triazin-4(3H)-one; Pyrazolo[1,5-a]-1,3,5-triazin-4(1H)-one(9CI); 4-Hydroxypyrazolo[1,5-a]-s-triazine; NSC 168461; Pyrazolo[1,5-a]-1,3,5-triazin-4-one |  | C5H4N4O | 详情 | 供应商 | |
| 40091-26-7 | Pyridine, 2-azido-,1-oxide; 2-Azidopyridine1-oxide; 2-Azidopyridine N-oxide; NSC 219503 |  | C5H4N4O | 详情 | 供应商 | |
| 288853-64-5 | Pyrrolo[2,1-d]-1,2,3,5-tetrazin-4(3H)-one; Pyrrolo[2,1-d]-1,2,3,5-tetrazin-4(1H)-one(9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 850474-61-2 | Pyrrolo[3,4-d]imidazol-4(3H)-one,2-amino-; Pyrrolo[3,4-d]imidazol-4(1H)-one,2-amino- (9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 5372-23-6 | 4-氰基-5-咪唑甲酰胺 | 1H-Imidazole-5-carboxamide,4-cyano-; 1H-Imidazole-4-carboxamide,5-cyano- (9CI); Imidazole-4(or 5)-carboxamide, 5(or 4)-cyano- (7CI); Imidazole-4-carboxamide, 5-cyano- (8CI); 4-Cyanoimidazole-5-carboxamide; 5-Cyanoimidazole-4-carboxamide; NSC 113952 |  | C5H4N4O | 详情 | 供应商 |
| 211996-43-9 | 1,2,4-Oxadiazolo[5,4-c][1,2,4]triazepine(9CI); 1,2,4-Oxadiazolo[5,4-c][1,2,4]triazepine(9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 42394-53-6 | 1H-Pyrimido[5,4-c][1,2,5]oxadiazine(9CI); 1H-Pyrimido[5,4-c][1,2,5]oxadiazine (9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 727414-27-9 | 1,3-Methano[1,2,5]oxadiazolo[3,4-d]pyrimidine(9CI); 1,3-Methano[1,2,5]oxadiazolo[3,4-d]pyrimidine (9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 180749-08-0 | 1H-Pyrazolo[3,4-d]pyrimidin-4-ol; 1H-Pyrazolo[3,4-d]pyrimidin-4-ol (9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 74664-58-7 | 1H-Pyrimido[4,5-e][1,3,4]oxadiazine(9CI); 1H-Pyrimido[4,5-e][1,3,4]oxadiazine (9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 76816-02-9 | 1H-Imidazole-1-carboxamide,N-cyano-; 1H-Imidazole-1-carboxamide,N-cyano-(9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 149139-46-8 | 1H-Pyrazole-1-carboxamide,4-cyano-; 1H-Pyrazole-1-carboxamide,4-cyano-(9CI) |  | C5H4N4O | 详情 | 供应商 | |
| 185839-73-0 | 1H-1,2,3-Triazolo[4,5-c]pyridine,1-hydroxy-; 1H-1,2,3-Triazolo[4,5-c]pyridine,1-hydroxy-(9CI) |  | C5H4N4O | 详情 | 供应商 | |
