| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 42784-26-9 | | 3-(1h -benzoimidazol-2-yl)-propylamine hydrochloride | | | | |
| 42786-59-4 | 4-氯-6-肼基嘧啶-5-胺 | 4-chloro-6-hydrazinylpyrimidin-5-amine | | | | |
| 42787-75-7 | | dibenz[b,f]azepine-5-carbonitrile | | | | |
| 427875-87-4 | 4-己基-4h-二噻吩并[3,2-b:2',3'-d]吡咯 | 4-hexyl-4h-dithieno[3,2-b:2',3'-d]pyrrole | | | | |
| 427878-41-9 | 4-氯-5-甲基吡咯并[1,2-f][1,2,4]三嗪-6-羧酸乙酯 | ethyl 4-chloro-5-methylpyrrolo[2,1-f][1,2,4]triazine-6-carboxylate | | | | |
| 427878-70-4 | 乙基 5-甲基-4-氧代-3,4-二氢吡咯并[2,1-f]-1,2,4-三嗪-6-羧酸酯 | ethyl 5-methyl-4-oxo-3,4-dihydropyrrolo[2,1-f]-1,2,4-triazine-6-carboxylate | | | | |
| 427882-84-6 | 碘乙酰胺cy5 | neo-cyanine5 | | | | |
| 427882-96-0 | | 1-(5-methyl-furan-2-carbonyl)-piperidine-2-carboxylic acid | | | | |
| 427886-20-2 | 5-溴-2-氯-1,3-二甲氧基苯 | 5-bromo-2-chloro-1,3-dimethoxybenzene | | | | |
| 42789-13-9 | | 1,2-Nonanediol | | | | |
| 4279-21-4 | | 2,3-dichloro-2-butene | C4H6Cl2 | 125.00 | | |
| 4279-22-5 | | 2,2-dichloro-butan | C4H8Cl2 | 127.01 | | |
| 4279-50-9 | | Benzene,1-chloro-4-((2-chloroethenyl)oxy)-,(Z)- | C8H6Cl2O | 189.04 | | |
| 4279-62-3 | | Benzene,1-((2-chloroethenyl)oxy)-4-(1,1-dimethylethyl)- | C12H15ClO | 210.70 | | |
| 4279-76-9 | | phenoxyethyne | C8H6O | 118.13 | | |
| 42790-35-2 | | 4-ethyl-n-(phenylmethylene)-benzenamin n-oxide | | | | |
| 42790-88-5 | | Cobalt,(η5-2,4-cyclopentadien-1-yl)((5,6,7,8,9,10-η)-decahydro-6,9-dicarbadecaborato(2-))- | C7H15B8Co | 244.62 | | |
| 427900-17-2 | | n-benzyl-6-bromopyridin-2-amine | | | | |
| 42791-51-5 | | 1-(4-nitrothiophen-2-yl)ethanone | | | | |
| 42792-26-7 | | isosulpride | | | | |
| 42792-67-6 | | methyl n-(1-phenylethyl)-beta-alaninate hydrochloride | | | | |
| 42792-98-3 | 5-羟基-2-甲基异喹啉-1(2h)-酮 | 5-hydroxy-2-methylisoquinolin-1(2h)-one | | | | |
| 42794-04-7 | | 2-o-galactopyranosylglycerol hexaacetate | | | | |
| 42794-63-8 | | 1,1'-(1,2-ethanediyldiimino)bis(3-(4-methoxyphenoxy)-2-propano dimethanesul | | | | |
| 42794-76-3 | | | | | | |
| 42794-77-4 | | 4,4,6-trimethyl-1,4-dihydropyrimidin-2-amine | | | | |
| 42794-87-6 | | 3,3',5,5'-tetrafluoro-benzidin | | | | |
| 42796-29-2 | | 1-(3-phenoxy-3-phenylpropyl)-pyrrolidin | | | | |
| 42796-83-8 | | 1-(3-chloro-3-phenylpropyl)pyrrolidine hydrochloride | | | | |
| 42797-18-2 | | o-(4-biphenylylcarbonyl)-benzoic aci | | | | |
| 42797-20-6 | | 2-(4-ethoxybenzoyl)benzoic acid | | | | |
| 42798-98-1 | | tetranitro blue tetrazolium chloride hydrate | C40H28Cl2N12O10 | 907.64 | | |
| 428-07-9 | | atromepine | | | | |
| 428-13-7 | | difluoronitro-acetic aci methyl ester | | | | |
| 428-37-5 | | m-(1-methyl-3-propyl-3-pyrrolidinyl)-pheno | | | | |
| 428-38-6 | 螺[茚满-1,4'-哌啶] | spiro[indane-1,4'-piperidine] | | | | |
| 428-54-6 | | | | | | |
| 428-59-1 | 六氟环氧丙烯 | hexafluoro-1,2-epoxypropane | C3F6O | 166.02 | | |
| 428-63-7 | 2,2-二氟-1,3-丙二醇 | 2,2-difluoro-1,3-propanediol | | | | |
| 428-65-9 | | 2-chloro-1,1-difluoro-1-methoxy-ethan | | | | |
| 428-67-1 | | Phosphorofluoridothioic acid,O,O-dimethyl ester | C2H6FO2PS | 144.10 | | |
| 428-71-7 | | 1,1,2,2,2-Penta-fluoro-N-(difluoro-methylene)ethyl-amine | C3F7N | 183.03 | | |
| 428-73-9 | | trichloromethyl 2,2-dichloro-1,1,2-trifluoroethyl ether | C3Cl5F3O | 286.29 | | |
| 428-75-1 | | 1,1,1,5,5,5-hexafluoro-2,2,4,4-pentane-tetrol | | | 97℃ | |
| 428-76-2 | 双[(三氟代甲基)磺酰基]甲烷 | bis[(trifluoromethyl)sulfonyl]-Methane | C3H2F6O4S2 | 280.15 | 35℃ | 78℃(10 t |
| 428-92-2 | | (2-chloro-1,1,2-trifluoro-ethoxy)-chloro-methane | C3H3Cl2F3O | 182.96 | | |
| 428-97-7 | 二乙酯2,2-二氟戊二酸 | diethyl 2,2-difluoropentanedioate | | | | |
| 428-98-8 | | (1H,1H,3H-tetrafluoropropyl)3-methylglutarate | C12H14F8O4 | 374.22 | | |
| 4280-48-2 | | 1H-Tetrazaborole,4,5-dihydro-1,4-diphenyl- | C12H11BN4 | 222.05 | | |
| 4280-58-4 | | 1,6-bis(4-methoxyphenyl)hexane | | | | |
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