| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 111614-88-1 | Ethyl,2-(1-methylethoxy)-2-oxo-, conjugate monoacid (9CI); Ethyl, 2-(1-methylethoxy)-2-oxo-, conjugate monoacid (9CI) |  | C5H9O2.H | 詳情 | 供應商 | |
| 144913-91-7 | Ethyl,1-(1-oxopropoxy)- (9CI); Ethyl, 1-(1-oxopropoxy)- (9CI) |  | C5H9O2* | 詳情 | 供應商 | |
| 144913-92-8 | Ethyl,2-(1-oxopropoxy)- (9CI); Ethyl, 2-(1-oxopropoxy)- (9CI) |  | C5H9O2* | 詳情 | 供應商 | |
| 155689-08-0 | Ethyl,2-(1-oxopropoxy)-, conjugate monoacid (9CI); Ethyl, 2-(1-oxopropoxy)-, conjugate monoacid (9CI) |  | C5H9O2.H | 詳情 | 供應商 | |
| 93250-36-3 | Ethyl,1-(acetyloxy)-1-methyl-, conjugate monoacid (9CI); Ethyl, 1-(acetyloxy)-1-methyl-, conjugate monoacid (9CI) |  | C5H9O2.H | 詳情 | 供應商 | |
| 2887-41-4 | Ethyl,2-methoxy-1,1-dimethyl-2-oxo-; Ethyl,1-carboxy-1-methyl-, methyl ester (6CI,7CI,8CI); 2-(Methoxycarbonyl)propan-2-yl; 2-Methoxycarbonyl-2-propyl radical |  | C5H9O2* | 詳情 | 供應商 | |
| 10023-74-2 | Pentanoic acid, ion(1-); Valericacid, ion(1-) (8CI); Pentanoate; Pentanoate anion; Valerate; Valerate anion; Valerate ion |  | C5H9O2- | 詳情 | 供應商 | |
| 2887-40-3 | Propyl,3-methoxy-2-methyl-3-oxo- (9CI); Propyl,2-carboxy-, methyl ester (7CI,8CI) |  | C5H9O2* | 詳情 | 供應商 | |
| 82517-25-7 | Propyl, 2-(acetyloxy)-(9CI); Propyl, 2-(acetyloxy)- (9CI) |  | C5H9O2* | 詳情 | 供應商 | |
| 21229-61-8 | 3-Phospholanone,1-methyl-, 1-oxide; NSC 129545 |  | C5H9O2P | 詳情 | 供應商 | |
| 20442-70-0 | Cesium pivalate |  | C5H9O2Cs | 詳情 | 供應商 | |