| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 106626-83-9 | 4-Acridinecarboxamide,8-chloro-N-[2-(dimethylamino)ethyl]- |  | C18H18ClN3O | 詳情 | 供應商 | |
| 228709-36-2 | 4-Azepinamine,N,N-dimethyl-; Azacyclohepta-1,2,4,6-tetraen-5-amine,N,N-dimethyl- (9CI) |  | C8H12N2 | 詳情 | 供應商 | |
| 228252-35-5 | 4-Piperidinecarboxylicacid, 4-amino-1-methyl-, propyl ester; 4-Piperidinecarboxylicacid,4-amino-1-methyl-,propylester(9CI) |  | C10H20N2O2 | 詳情 | 供應商 | |
| 228250-25-7 | 4-Cyclohexene-1,2,3-triol,6-amino-, (1R,2S,3R,6S)-; ent-ConduramineA |  | C6H11NO3 | 詳情 | 供應商 | |
| 228119-09-3 | 4(1H)-Quinazolinone, 2-[3,5-bis(trifluoromethyl)phenyl]-6,7,8-trimethoxy- (9CI); 4(1H)-Quinazolinone, 2-[3,5-bis(trifluoromethyl)phenyl]-6,7,8-trimethoxy- (9CI) |  | C19H14F6N2O4 | 詳情 | 供應商 | |
| 228115-42-2 | 4,7-Epoxyoxepino[4,3-d]oxazol-2(1H)-one,hexahydro-8-hydroxy-1-(phenylmethyl)-, (3aR,4R,7R,8R,8aR)-; 4,7-Epoxyoxepino4,3-doxazol-2(1H)-one, hexahydro-8-hydroxy-1-(phenylmethyl)-, (3aR,4R,7R,8R,8aR)- |  | C14H15NO5 | 詳情 | 供應商 | |
| 228098-95-1 | 4-Cyclohexene-1,2,3-triol,6-methoxy-, (1R,2R,3S,6S)-rel-; 4-Cyclohexene-1,2,3-triol,6-methoxy-,(1R,2R,3S,6S)-rel-(9CI) |  | C7H12O4 | 詳情 | 供應商 | |
| 33630-23-8 | 4(3H)-Pyrimidinethione,3-methyl-2-phenyl-; 4(3H)-Pyrimidinethione, 3-methyl-2-phenyl- |  | C11H10N2S | 詳情 | 供應商 | |
| 33630-21-6 | 4(3H)-Pyrimidinethione,2-phenyl-; 4(1H)-Pyrimidinethione,2-phenyl- (9CI); 4(3H)-Pyrimidinethione, 2-phenyl- (8CI); 2-Phenyl-4-mercaptopyrimidine |  | C10H8N2S | 詳情 | 供應商 | |
| 227029-27-8 | 4-Oxazoleethanol,5-methyl-2-phenyl-, 4-methanesulfonate; 4-Oxazoleethanol,5-methyl-2-phenyl-, methanesulfonate (ester) (9CI); 2-(5-Methyl-2-phenyloxazol-4-yl)ethyl methanesulfonate; Methanesulfonic acid2-(5-methyl-2-phenyloxazol-4-yl)ethyl ester |  | C13H15NO5S- | 詳情 | 供應商 | |
| 227025-33-4 | 4H-Imidazo[4,5,1-ij]quinolin-2(1H)-one,1-(phenylmethyl)-; 1-Benzyl-4H-imidazo[4,5,1-ij]quinoline-2(1H)-one |  | C17H14N2O | 詳情 | 供應商 | |
| 399-61-1 | 4H-Pyrrolo[3,2-d]pyrimidine; 4H-Pyrrolo[3,2-d]pyrimidine (8CI,9CI) |  | C6H5N3 | 詳情 | 供應商 | |
| 226896-38-4 | 4-Pyridinecarboxylicacid, 2-methylpropyl ester; 4-Pyridinecarboxylicacid,2-methylpropylester(9CI) |  | C10H13NO2 | 詳情 | 供應商 | |
| 226247-00-3 | 4-Pyrimidinecarboxylicacid, 3,4,5,6-tetrahydro-2-methyl-, methyl ester; 4-Pyrimidinecarboxylicacid, 1,4,5,6-tetrahydro-2-methyl-, methyl ester (9CI); 1,4,5,6-Tetrahydro-2-methylpyrimidin-4-carboxylicacid methyl ester |  | C7H12N2O2 | 詳情 | 供應商 | |
| 59708-52-0 | 4-Piperidinecarboxylicacid, 4-[(1-oxopropyl)phenylamino]-1-(2-phenylethyl)-, methyl ester; Carfentanil; Carfentanyl; R 31833 |  | C24H30N2O3 | 詳情 | 供應商 | |
| 83817-51-0 | 4-Isoxazolecarboxylicacid, 3-(2-chloro-6-fluorophenyl)-5-methyl-, ethyl ester; 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylicacid ethyl ester |  | C13H11ClFNO3 | 詳情 | 供應商 | |
| 33495-33-9 | 4-Pyridinecarbonitrile,1,2,3,6-tetrahydro-1-methyl-; Isonicotinonitrile,1,2,3,6-tetrahydro-1-methyl- (8CI) |  | C7H10N2 | 詳情 | 供應商 | |
| 33486-07-6 | 4-Pyridinethiol,1-oxide; 4-Mercaptopyridine1-oxide; 4-Mercaptopyridine N-oxide; 4-Pyridinethiol N-oxide; NSC 126272 |  | C5H5NOS | 詳情 | 供應商 | |
| 60532-85-6 | 4H-1,3-Oxazin-4-one,2-(dimethylamino)-5,6-diphenyl-; NSC288379 |  | C18H16N2O2 | 詳情 | 供應商 | |
| 33403-35-9 | 4(3H)-Quinazolinone,8-methoxy-2-methyl-7-(2-oxo-2-phenylethoxy)-3-phenyl-; 4(3H)-Quinazolinone,8-methoxy-2-methyl-7-(phenacyloxy)-3-phenyl- (8CI) |  | C24H20N2O4 | 詳情 | 供應商 | |