| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 42087-88-7 | | fluorosulfuric acid,2-fluoro-1,1,2-trichloroethyl ester | C2HCl3F2O3S | 249.45 | | |
| 42087-89-8 | | Chromium,bis(η6-chlorobenzene)- | C12H10Cl2Cr | 277.11 | | |
| 42088-91-5 | 1-(2-吡啶)乙胺 | 1-(2-pyridyl)ethylamine | C7H10N2 | 122.17 | | |
| 42089-03-2 | | cyprazole | | | | |
| 4209-02-3 | | 4'-bromo-2-chloroacetophenone | C8H6BrClO | 233.493 | | |
| 4209-03-4 | 2-chloro-1-(2-iodophenyl)ethanone | | C8H6ClIO | 280.493 | | |
| 4209-18-1 | | 3-benzyl-4-methylthiazolium chloride | C11H12ClNS | 225.73 | | |
| 4209-22-7 | | triacontane,1-bromo- | C30H61Br | 501.71 | | |
| 4209-24-9 | 2-氯-4'-甲基乙酰苯 | 2-Chloro-4'-methylacetophenone | C9H9OCl | 168.62 | 57.5 °C (lit.) | 258.5 °C at 760 mmHg (lit.) |
| 4209-25-0 | 2-氯-1-(2-氯苯基)乙酮 | 2-Chloro-1-(2-chlorophenyl)ethanone | C8H6Cl2O | 189.04 | | |
| 4209-65-8 | 顺式-2,5-二甲基吡咯烷 | cis-2,5-dimethylpyrrolidine | C6H13N.HCl | 135.6345 | | |
| 4209-90-9 | | 2,2-Dimethyl-3-hexanol | C8H18O | 130.23 | | |
| 4209-91-0 | 3,5-二甲基-3-己醇 | (±)-3,5-dimethyl-hexan-3-ol | C8H18O | 130.23 | | |
| 42091-95-2 | | 4-butyl-oct-1-yne | C12H22 | 166.30 | | |
| 42092-01-3 | 1-庚基氯化镁 | 1-heptylmagnesium chloride | | | | |
| 42092-81-9 | | 3-(chloro-difluoro-methylsulfanyl)-pentane-2,4-dione | | | | |
| 42093-97-0 | 2-(1-哌啶基)苯甲酸 | 2-(1-piperidinyl)benzoic acid | C12H15NO2 | 205.25 | | |
| 42095-80-7 | | propionic acid, 2-(p-bromophenyl)hydrazide | | | | |
| 42096-74-2 | 1,2,4-三氟-3-硝基苯 | 1,2,4-Trifluoro-3-nitrobenzene | C6H2F3NO2 | 177.08 | | |
| 42097-42-7 | | 2,6-lutidine-alpha2,3-diol | C7H9NO2 | 139.15 | 157-159℃ | |
| 42098-25-9 | 5-氯-1-甲基-4-硝基-1h-吡唑 | 5-chloro-1-methyl-4-nitro-1h-pyrazole | C4H4ClN3O2 | 161.55 | | 273°C at 760 mmHg |
| 42099-69-4 | | alpha-methyl-4-piperidino-phenethylamin succinate | | | | |
| 421-01-2 | | ethane,2-bromo-1-chloro-1,1-difluoro- | C2H2BrClF2 | 179.39 | | |
| 421-05-6 | | chlorodifluoro-acetonitril | C2ClF2N | 111.48 | | |
| 421-06-7 | | 1-bromo-2,2,2-trifluoroethane | C2H2BrF3 | 162.94 | | |
| 421-07-8 | | 1,1,1-trifluoro-propan | C3H5F3 | 98.07 | | |
| 421-14-7 | | Trifluoromethoxymethane | C2H3F3O | 100.04 | | |
| 421-17-0 | | trifluoro-methanesulfenyl chlorid | CClF3S | 136.52 | | |
| 421-20-5 | | Fluorosulfuric acid methyl ester | CH3FO3S | 114.1 | -95°C | 93°C |
| 421-21-6 | | Silane,(chloromethyl)fluorodimethyl- | C3H8ClFSi | 126.63 | | |
| 421-22-7 | | dichloroethylfluoro-silane | C2H5Cl2FSi | 147.05 | | |
| 421-24-9 | | ethenyltrifluorosilane | C2H3F3Si | 112.13 | | |
| 421-32-9 | | dichloro(trifluoro-methyl)arsine | CAsCl2F3 | 214.83 | | |
| 421-33-0 | | 1,2-dibromo-1,2-dichlorofluoroethane | C2HBr2Cl2F | 274.74 | | |
| 421-36-3 | | ethane,1,2-dibromo-2-chloro-1,1-difluoro- | C2HBr2ClF2 | 258.3 | | 120℃ |
| 421-47-6 | | 2-chloro-1,1,1-trifluoropropane | C3H4ClF3 | 132.51 | | |
| 421-48-7 | | propane,1,1,1,2-tetrafluoro- | C3H4F4 | 116.06 | | |
| 421-49-8 | 1,1,1-三氟丙-2-胺 | 1,1,1-trifluoropropan-2-amine | C3H6F3N | 113.08 | | |
| 421-50-1 | 1,1,1-三氟代丙酮 | trifluoroacetone | C3H3F3O | 112.05 | -78-78℃ | 22℃ |
| 421-52-3 | 2,2,2-三氟乙硫基酰胺 | 2,2,2-trifluoroethanethioamide | C2H2F3NS | 129.10 | | |
| 421-53-4 | | flu oral,hydrate | C2H3F3O2 | 116.04 | | 104℃ |
| 421-58-9 | | Dichlorotrifluoromethyl phosphine | CCl2F3P | 170.89 | | |
| 421-59-0 | | diiodo-trifluoromethyl-phosphine | CF3I2P | 353.79 | | |
| 421-69-2 | | 1,2-dibromo-1,2-dichlorodifluoroethane | C2Br2Cl2F2 | 292.73 | | |
| 421-70-5 | | 1-bromo-2-iodotetrafluoroethane | C2BrF4I | 306.83 | | 78℃ |
| 421-75-0 | | 1-chloro-1,1,2,2-tetrafluoro-propane | C3H3ClF4 | 150.50 | | |
| 421-78-3 | | 1-chloro-2-iodotetrafluoroethane | C2ClF4I | 262.37 | | 56℃ |
| 421-82-9 | | methyl trifluoromethyl sulfone | C2H3F3O2S | 148.10 | | |
| 421-83-0 | 三氟甲磺酰氯 | Trifluoromethanesulfonyl chloride | CClF3O2S | 168.52 | | 29-32℃ |
| 421-85-2 | | Trifluoromethanesulfonamide | CH2F3NO2S | 149.09 | | |
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