| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 886371-33-1 | 4-Pyridinesulfonylchloride, 3-bromo- |  | C5H3BrClNO2S | 詳情 | 供應商 | |
| 302797-24-6 | 4-Pentene-2,3-dione,4-methoxy-; 4-Pentene-2,3-dione, 4-methoxy- (9CI) |  | C6H8O3 | 詳情 | 供應商 | |
| 391880-23-2 | 4H-Pyrrolo[3,2-d]thiazole,2-methyl-; 4H-Pyrrolo[3,2-d]thiazole, 2-methyl- |  | C6H6N2S | 詳情 | 供應商 | |
| 31507-17-2 | 4-Thiomorpholinecarboxaldehyde,3-ethyl-; 4-Thiomorpholinecarboxaldehyde, 3-ethyl- (8CI,9CI) |  | C7H13NOS | 詳情 | 供應商 | |
| 301344-66-1 | 4H-1,2,4-Triazol-4-amine,N-(2-methylpropyl)-; 4H-1,2,4-Triazol-4-amine,N-(2-methylpropyl)-(9CI) |  | C6H12N4 | 詳情 | 供應商 | |
| 301342-78-9 | 4-Pyrimidinecarboxylicacid, 6-(methylthio)-; 4-Pyrimidinecarboxylicacid,6-(methylthio)-(9CI) |  | C6H6N2O2S | 詳情 | 供應商 | |
| 31466-48-5 | 4-Morpholineethanamine,b-(4-ethoxyphenyl)-; Morpholine,4-[a-(aminomethyl)-p-ethoxybenzyl]-(8CI) |  | C14H22N2O2 | 詳情 | 供應商 | |
| 54606-29-0 | 4H-Pyrido[1,2-a]pyrimidine-3-carboxamide,1,6,7,8,9,9a-hexahydro-1,6-dimethyl-4-oxo-; chinoin 127 |  | C11H17N3O2 | 詳情 | 供應商 | |
| 7249-72-1 | 4-Pyrimidinecarboxylicacid, 2-amino-6-(methylthio)-; NSC 45045 |  | C6H7N3O2S | 詳情 | 供應商 | |
| 389130-73-8 | 4-Pyrimidinecarboxamide,N-ethyl-1,6-dihydro-5-hydroxy-1,2-dimethyl-6-oxo-; 4-Pyrimidinecarboxamide, N-ethyl-1,6-dihydro-5-hydroxy-1,2-dimethyl-6-oxo- (9CI) |  | C9H13N3O3 | 詳情 | 供應商 | |
| 886364-26-7 | 4H-1,4-Benzodiazepine-4-carboxylicacid, 1,2,3,5-tetrahydro-7,8-dimethoxy-, 1,1-dimethylethyl ester |  | C16H24N2O4 | 詳情 | 供應商 | |
| 387389-62-0 | 4H-1,2,4-Triazole-4-ethanamine,3-amino-; 4H-1,2,4-Triazole-4-ethanamine,3-amino-; 4H-1,2,4-Triazole-4-ethanamine,3-amino-(9CI) |  | C4H9N5 | 詳情 | 供應商 | |
| 387346-21-6 | 4(3H)-Quinazolinone,2-[(4-fluorophenoxy)methyl]-8-methoxy-; 4(1H)-Quinazolinone,2-[(4-fluorophenoxy)methyl]-8-methoxy- (9CI) |  | C16H13FN2O3 | 詳情 | 供應商 | |
| 387334-42-1 | 4-Pyrimidinecarboxaldehyde,6-amino-2,3-dihydro-3-methyl-2-oxo-; 4-Pyrimidinecarboxaldehyde, 6-amino-2,3-dihydro-3-methyl-2-oxo- (9CI) |  | C6H7N3O2 | 詳情 | 供應商 | |
| 386715-43-1 | 4H-Pyrrolo[3,2,1-ij]quinoline-5-carboxylicacid, 1,2-dihydro-4-oxo- |  | C12H9NO3 | 詳情 | 供應商 | |
| 88366-15-8 | 4H-Pyrrolo[2,3-d]pyrimidin-4-imine,3-(4-fluorophenyl)-3,7-dihydro-2,5-dimethyl-; NSC 351550 |  | C14H13FN4 | 詳情 | 供應商 | |
| 39965-81-6 | 4-Pyridinecarbonitrile,2,6-dimethyl-; Isonicotinonitrile,2,6-dimethyl- (6CI,7CI); 2,6-Dimethyl-4-cyanopyridine; 2,6-Dimethyl-4-pyridinecarbonitrile; 2,6-Dimethylisonicotinonitrile; 4-Cyano-2,6-dimethylpyridine; 4-Cyano-2,6-lutidine |  | C8H8N2 | 詳情 | 供應商 | |
| 23522-48-7 | 4-Thiazolidinone,3-(2-chlorophenyl)-5-methyl-2-thioxo-; Rhodanine,3-(o-chlorophenyl)-5-methyl- (7CI,8CI) |  | C10H8ClNOS2 | 詳情 | 供應商 | |
| 831-53-8 | 4H-Pyran-2,6-dicarboxylicacid, 3-hydroxy-4-oxo-, calcium salt (1:1); Calciummeconate |  | C7H4O7.Ca | 詳情 | 供應商 | |
| 382653-06-7 | 4-Quinolinecarbonitrile,1,2,5,6,7,8-hexahydro-3-(3-pyridinyl)-2-thioxo-; 4-Quinolinecarbonitrile, 1,2,5,6,7,8-hexahydro-3-(3-pyridinyl)-2-thioxo- |  | C15H13N3S | 詳情 | 供應商 | |