| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 69-89-6 | 黃嘌呤; 2,6-二羥基嘌呤; 嘌呤-2(3H),6(1H)-二酮 | Xanthine; 2,6-Dihydroxypurine; Purine-2(3H),6(1H)-dione |  | C5H4N4O2 | 詳情 | 供應商 |
| 55067-10-2 | 4,6-二羥基-2-氰基氨基嘧啶 | 2-Cyanoamino-4,6-dihydroxypyrimidine; (1,4,5,6-Tetrahydro-4,6-dioxo-2-pyrimidinyl)cyanamide |  | C5H4N4O2 | 詳情 | 供應商 |
| 6627-61-8 | Cyanamide,(1,4-dihydro-6-hydroxy-4-oxo-2-pyrimidinyl)- (9CI); NSC 60202 |  | C5H4N4O2 | 詳情 | 供應商 | |
| 130890-45-8 | Imidazo[4,5-d][1,3]oxazin-7(3H)-one,5-amino-; Imidazo[4,5-d][1,3]oxazin-7(1H)-one,5-amino- (9CI); Oxanine |  | C5H4N4O2 | 詳情 | 供應商 | |
| 34683-40-4 | Pyrazolo[1,5-a]-1,3,5-triazine-2,4(1H,3H)-dione; Pyrazolo[1,5-a]-1,3,5-triazine-2,4(1H,3H)-dione |  | C5H4N4O2 | 詳情 | 供應商 | |
| 87465-68-7 | Pyrrolo[3,4-c]pyrazole-4,6(2H,5H)-dione,3-amino-; Pyrrolo[3,4-c]pyrazole-4,6(2H,5H)-dione, 3-amino- |  | C5H4N4O2 | 詳情 | 供應商 | |
| 2465-59-0 | 奧昔嘌醇; 氧嘌呤醇; 氧嘌醇; 4,6-二羥基吡唑啉[3,4-d]嘧啶 | 1H-Pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione; 4H-Pyrazolo[3,4-d]pyrimidine-4,6(5H)-dione,1,7-dihydro- (6CI); 1H,3H,9H-Alloxanthine; 1H-Pyrazolo[3,4-d]pyrimidin-4,6-diol; 4,6-Dihydroxypyrazolo[3,4-d]pyrimidine; 4,6-Dioxopyrazolo[3,4-d]pyrimidine; Alloxanthine; BW 55-5; NSC 76239; Oxipurinol; Oxoallopurinol; Oxyprim; Oxypurinol |  | C5H4N4O2 | 詳情 | 供應商 |
| 13231-00-0 | 1H-Purine-6,8-dione,7,9-dihydro-; 6,8-Purinediol(3CI); Purine-6,8(1H,9H)-dione (6CI,7CI,8CI); 6,8-Dihydroxypurine; NSC 23164; Purine-6,8-dione |  | C5H4N4O2 | 詳情 | 供應商 | |
| 727390-69-4 | 1,2,4-Triazolo[4,3-a]pyrimidin-5(1H)-one,7-hydroxy-; 1,2,4-Triazolo[4,3-a]pyrimidin-5(1H)-one, 7-hydroxy- (9CI) |  | C5H4N4O2 | 詳情 | 供應商 | |
| 173269-79-9 | 1H-[1,3]Dioxolo[3,4]pyrrolo[1,2-d]tetrazole(9CI); 1H-[1,3]Dioxolo[3,4]pyrrolo[1,2-d]tetrazole (9CI) |  | C5H4N4O2 | 詳情 | 供應商 | |
| 184764-63-4 | 1H-Pyrazolo[3,4-d]pyrimidine-4,6(2H,5H)-dione; 1H,3H,8H-Alloxanthine |  | C5H4N4O2 | 詳情 | 供應商 | |
| 757995-72-5 | 1H-1,2,3-Triazole,5-nitro-1-(2-propyn-1-yl)-; 1H-1,2,3-Triazole,5-nitro-1-(2-propynyl)- (9CI); 5-Nitro-1-(2-propynyl)-1H-1,2,3-triazole |  | C5H4N4O2 | 詳情 | 供應商 | |
| 757995-71-4 | 1H-1,2,3-Triazole,4-nitro-1-(2-propyn-1-yl)-; 1H-1,2,3-Triazole,4-nitro-1-(2-propynyl)- (9CI); 4-Nitro-1-(2-propynyl)-1H-1,2,3-triazole |  | C5H4N4O2 | 詳情 | 供應商 | |
| 40769-81-1 | 1H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione; 1H-Pyrazolo[4,3-d]pyrimidine-5,7-diol(6CI); 5,7-Dihydroxypyrazolo[4,3-d]pyrimidine |  | C5H4N4O2 | 詳情 | 供應商 | |
| 21616-67-1 | 1H-Pyrazolo[3,4-b]pyrazine-5,6-dione,4,7-dihydro-; 1H-Pyrazolo[3,4-b]pyrazine-5,6-diol(8CI) |  | C5H4N4O2 | 詳情 | 供應商 | |
| 40648-96-2 | 1H-Imidazole-5-carbonitrile,1-methyl-4-nitro-; Imidazole-5-carbonitrile,1-methyl-4-nitro- (6CI,7CI); 1-Methyl-4-nitro-1H-imidazole-5-carbonitrile; 1-Methyl-4-nitro-5-cyanoimidazole; 1-Methyl-4-nitroimidazole-5-carbonitrile; 5-Cyano-1-methyl-4-nitroimidazole; NSC 43810; NSC 7854 |  | C5H4N4O2 | 詳情 | 供應商 | |
| 27870-87-7 | 1H-Purine-2,6-dione-2-14C,3,7-dihydro- (9CI); Xanthine-2-14C(8CI) |  | C5H4N4O2 | 詳情 | 供應商 | |
| 110295-81-3 | 2H-Imidazole-4-aceticacid, 2-diazo- |  | C5H4N4O2 | 詳情 | 供應商 | |
| 13230-99-4 | 2H-Purine-2,8(3H)-dione,7,9-dihydro-; 1H-Purine-2,8(3H,7H)-dione(9CI); Purine-2,8-diol (6CI,7CI,8CI); 1H-Purine-2,8(7H,9H)-dione; 2,3,7,8-Tetrahydro-2,8-dioxopurine; 2,8-Dihydroxypurine; Purine-2,8(1H,9H)-dione |  | C5H4N4O2 | 詳情 | 供應商 | |
| 91113-87-0 | 3H-Pyrazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione; 3H-Pyrazolo[4,3-d]pyrimidine-5,7-diol(7CI) |  | C5H4N4O2 | 詳情 | 供應商 | |