| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 424-20-4 | | bis-(tridecafluorohexyl)ether | C12F26O | 654.09 | | |
| 424-24-8 | | 3-methyl-glutaric acid bis-(1H,1H-undecafluoro-hexyl ester) | C18H12F22O4 | 710.25 | | |
| 424-36-2 | | ethyl perfluoropentanoate | C7H5F9O2 | 292.1 | | 121℃ |
| 424-40-8 | | hexafluoro-glutaric aci diethyl ester | C9H10F6O4 | 296.17 | | 76℃(3 to |
| 424-46-4 | | 4,4'-oxy-dibenzoic acid bis-(1H,1H,5H-octafluoro-pentyl)ester | C24H14F16O5 | 686.34 | | |
| 424-59-9 | | 2,2,3,3,4,4-hexafluoro-1,5-bis-(heptafluorobutyryloxy-pentane) | C13H4F20O4 | 604.14 | | |
| 424-64-6 | 丙烯酸七氟丁酯 | 2-propenoic acid, 2,2,3,3,4,4,4-heptafluorobutyl ester | C7H5F7O2 | 254.11 | | 120-122℃ |
| 424-67-9 | | decanedioic acid bis-(1H,1H-heptafluoro-butyl)ester | C18H20F14O4 | 566.33 | | |
| 4240-92-0 | | 3-(thiocarbamylthio)propionic acid | | | | |
| 4240-97-5 | | 4-methyl-2-oxo-6-phenyl-1,2-dihydro-3-pyridinecarbonitrile | | | | |
| 42401-99-0 | | Molybdenum,dicarbonyltetrakis[2-(isocyano-kC)-2-methylpropane]- | C22H36MoN4O2 | 484.49 | | |
| 42402-37-9 | 1,2,3-丙三醇与1,1'-亚甲基双(4-异氰酸根合苯)、甲基环氧乙烷和环氧乙烷的聚合物 | 1,2,3-Propanetriol, polymer wtih 1,1'-methylenebis[4-isocyanatobenzene], methyloxirane and oxirane | (C15H10N2O2·C3H8O3·C3H6O·C2H4O)x | | | |
| 42403-77-0 | 4-(烯丙氧基)二苯甲酮 | 4-(allyloxy)benzophenone | | | | |
| 42404-06-8 | | propachlor-2-hydroxy | | | | |
| 42404-23-9 | | 2-[(4-methylphenyl)thio]ethanamine | | | | |
| 42404-50-2 | 2-丙烯酸-2-[[[[[1,3,3-三甲基-5-[[[2-[(1-氧代-2-丙烯基)氧基]乙氧基]羰基]氨基]环己基]甲基]氨基]羰基]氧基]乙酯(9CI) | 2-Propenoic acid, 2-[[[[[1,3,3-trimethyl-5-[[[2-[(1-oxo-2-propenyl)oxy]ethoxy]carbonyl]amino] cyclohexyl]methyl]amino]carbonyl]oxy]ethyl ester | C22H34N2O8 | | | |
| 42405-40-3 | (T-4)-双[3,5-二(1,1-二甲基乙基)-2-羟基苯甲酸根-O',O"]-合锌 | bis[3,5-bis(1,1-dimethylethyl)-2-hydroxybenzoato-O',O"]-, (T-4)-Zinc | | | 256℃ | |
| 42406-52-0 | | pht-asn-oh | | | | |
| 42406-53-1 | | 2-(1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)succinic acid | | | | |
| 42406-77-9 | h-酪氨酸-obzl | | | | | |
| 42407-58-9 | | n-(2-hydroxy-1-methyl-2-phenylethyl)-n-methyl-3-phenylpropionamide | | | | |
| 42407-90-9 | | 3-((3-chlorophenyl)imino)-1,3-dihydro-2h-indol-2-one | | | | |
| 42408-79-7 | | pirandamine | | | | |
| 42408-80-0 | | tandamine | | | | |
| 42408-82-2 | | 17-(cyclobutylmethyl)-morphinan-14-diol | | | | |
| 42409-05-2 | | vinyl nonafluoro-1-butanesulfonate | C6H3F9O3S | 326.13 | | |
| 42409-58-5 | 2-氨基-5-溴-3-甲氧基吡啶 | 2-amino-5-bromo-3-methoxypyridine | | | | |
| 4241-12-7 | | 2-hydroxy-6-methyl-5-phenyl-nicotinonitril | | | | |
| 4241-13-8 | | 2-oxo-1,2,5,6,7,8-hexahydro-3-quinolinecarbonitrile | | | | |
| 4241-20-7 | | 6-Ethyl-2-oxo-1,2-dihydro-pyridine-3-carbonitrile | C8H8N2O | 148.16 | | |
| 4241-27-4 | 3-氰基-6-甲基-吡啶酮 | 1,2-dihydro-6-methyl-2-oxo-3-pyridinecarbonitril | | | | |
| 4241-47-8 | | 1-alpha-h,5-alpha-h-tropan-3-alpha-ol, 3-(p-hydroxyphenyl)-2-phenylpropionate ( | | | | |
| 4241-73-0 | | 1-glucosyl-2-isonicotinyl-hydrazin | | | | |
| 42411-39-2 | | (R)-2-chloro-propionic acid ethyl ester | C5H9ClO2 | 136.58 | | |
| 42413-03-6 | 3-氯-4-甲基苯磺酰氯 | 3-Chloro-p-toluenesulfonyl chloride | | | | |
| 42413-23-0 | | octanedioic acid, bis(phenylmethyl) ester | C22H26O4 | 354.44 | | |
| 42413-56-9 | | 2-Methyl-4-(1-methylpropyl)phenol | C11H16O | 164.24 | | |
| 42413-70-7 | 3,6-哒嗪二醛 | 3,6-pyridazinedione | | | | |
| 42414-19-7 | | n-2-naphthyl-3-oxobutanamide | | | | |
| 42414-20-0 | | 2,4-diacetylglutaranilide | | | | |
| 42414-22-2 | | 2,4-diacetyl-4',4''-dimethylglutaranilide | | | | |
| 42414-24-4 | | 2,4-diacetyl-2',2''-dichloroglutaranilide | | | | |
| 42414-28-8 | 4,6,8-三甲基喹诺酮 | 4,6,8-trimethylquinolin-2(1h)-one | | | | |
| 42415-11-2 | | succinic anhydride-1,4-14c | C4H4O3 | 100.07 | | |
| 42415-20-3 | | trifluoroacetaldehyde dimethyl acetal | C4H7F3O2 | 144.09 | | |
| 42416-23-9 | 2-(2-氯苄基硫代)乙胺 | 2-(2-chlorobenzylthio)ethylamine | | | | |
| 42417-39-0 | 3-氨基二氢呋喃-2(3h)-酮盐酸盐 | 3-aminodihydrofuran-2(3h)-one hydrochloride | | | | |
| 42417-65-2 | | z-n-methyl-l-valine | C14HNO4 | 247.16 | | |
| 42417-66-3 | | z-n-methyl-l-isoleucine | C15H21NO4 | 279.33 | | |
| 42417-70-9 | | z-n-me-asp(otbu)-oh . dcha | C17H23NO6.C12H23N | 518.69 | | |
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