| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 342617-07-6 | 4-Quinolinol,6-iodo-; 6-Iodoquinolin-4-ol |  | C9H6INO | 详情 | 供应商 | |
| 105799-81-3 | 4H-Thieno[3,2-c][1]benzopyran-2-carboxylicacid, 8-fluoro-; 8-Fluoro-4H-thieno[3,2-c]chromene-2-carboxylicacid |  | C12H7FO3S | 详情 | 供应商 | |
| 350985-76-1 | 4-Cyclohexene-1,3-diol,5-ethynyl-, (1S,3S)-; 4-Cyclohexene-1,3-diol, 5-ethynyl-, (1S,3S)- (9CI) |  | C8H10O2 | 详情 | 供应商 | |
| 349108-45-8 | 4,5-Pyridazinediol,hexahydro-3-(hydroxymethyl)-, (3R,4S,5R)-; 4,5-Pyridazinediol, hexahydro-3-(hydroxymethyl)-, (3R,4S,5R)- (9CI) |  | C5H12N2O3 | 详情 | 供应商 | |
| 347841-45-6 | 4,4'-Bipyridinium-2,2',3,3',5,5',6,6'-d8,1,1'-dimethyl-, dichloride (9CI); METHYL VIOLOGEN-D8 DICHLORIDE; METHYL VIOLOGEN-D8 DICHLORIDE (RINGS-D8) |  | C12H6D8Cl2N2 | 详情 | 供应商 | |
| 15166-81-1 | 4-Isoxazolecarboxylicacid, methyl ester; Methyl4-isoxazolecarboxylate |  | C5H5NO3 | 详情 | 供应商 | |
| 167762-80-3 | 4-(2-Aminoethyl)benzonitrile hydrochloride |  | C9H11ClN2 | 详情 | 供应商 | |
| 672310-05-3 | 4-Oxazolecarboxylicacid, 2-(4-piperidinyl)-, ethyl ester |  | C11H16N2O3 | 详情 | 供应商 | |
| 473987-07-4 | 4-Piperidinebutanoicacid, ethyl ester, hydrochloride (1:1); 4-Piperidinebutanoicacid, ethyl ester, hydrochloride (9CI) |  | C11H22ClNO2 | 详情 | 供应商 | |
| 169458-04-2 | 4-Piperidineaceticacid, ethyl ester, hydrochloride (1:1); 4-Piperidineaceticacid, ethyl ester, hydrochloride (9CI); Ethyl 2-(4-piperidyl)acetatehydrochloride; Piperidin-4-yl-acetic acid ethyl ester hydrochloride |  | C9H18ClNO2 | 详情 | 供应商 | |
| 119671-29-3 | 4-Pentenethioamide,5,5-dichloro-N,N-dimethyl-3-oxo-; 4-Pentenethioamide, 5,5-dichloro-N,N-dimethyl-3-oxo- |  | C7H9Cl2NOS | 详情 | 供应商 | |
| 95412-45-6 | 4H-1-Benzopyran-4-one,6-bromo-3,5,7-trihydroxy-2-(4-hydroxyphenyl)- |  | C15H9BrO6 | 详情 | 供应商 | |
| 95412-46-7 | 4H-1-Benzopyran-4-one,6-bromo-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-; 6-Bromoquercetin |  | C15H9BrO7 | 详情 | 供应商 | |
| 62420-76-2 | 4-Imidazolidinone,5-phenyl-2-thioxo-; Hydantoin,5-phenyl-2-thio- (6CI,7CI); 5-Phenyl-2-thiohydantoin; 5-Phenyl-2-thioxo-4-imidazolidinone |  | C9H8N2OS | 详情 | 供应商 | |
| 644972-55-4 | 4-Imidazolidinecarbonitrile,3-ethyl-4-(methoxyamino)-2,5-dioxo- |  | C7H10N4O3 | 详情 | 供应商 | |
| 116505-60-3 | 4H-Pyrrolo[2,1-d]-1,3,5-dithiazine,tetrahydro-2,4-dimethyl-, [2S-(2a,4a,8ab)]- (9CI); 4H-Pyrrolo2,1-d-1,3,5-dithiazine, tetrahydro-2,4-dimethyl-, 2S-(2.alpha.,4.alpha.,8a.beta.)- |  | C8H15NS2 | 详情 | 供应商 | |
| 116454-35-4 | 4-Hexen-2-one,3-(1-propenyl)-, (E,E)- (9CI); 4-Hexen-2-one, 3-(1-propenyl)-, (E,E)- (9CI) |  | C9H14O | 详情 | 供应商 | |
| 116454-34-3 | 4,6-Octadien-2-one,3-methyl-, [S-(E,E)]- (9CI); 4,6-Octadien-2-one, 3-methyl-, [S-(E,E)]- (9CI) |  | C9H14O | 详情 | 供应商 | |
| 116454-33-2 | 4,6-Octadien-2-one,3-methyl-, [R-(E,Z)]- (9CI); 4,6-Octadien-2-one, 3-methyl-, [R-(E,Z)]- (9CI) |  | C9H14O | 详情 | 供应商 | |
| 106474-81-1 | 4-Pyridinecarbonitrile,2-(1-hydroxyethyl)-; Isonicotinonitrile,2-(1-hydroxyethyl)- (6CI) |  | C8H8N2O | 详情 | 供应商 | |
