| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 400-01-1 | | 1-fluoro-2,4,5-trimethylbenzene | | | | |
| 400-05-5 | | 1,4-dichloro-2,5-difluorobenzene | | | | |
| 400-13-5 | | 2-Fluorothiophene | C4H4FS | | | |
| 400-16-8 | | 1,1,1,3,3,3-hexafluoro-2-propanon semicarbazone | | | | |
| 400-23-7 | 2-硝基-4-(三氟甲基磺酰)苯胺 | 2-nitro-4-trifluoromethanesulfonyl-phenylamine | | | | |
| 400-37-3 | | 1,1,1-Trifluoro-2-propyl acetate | C5H7F3O2 | 156.10 | | |
| 400-38-4 | | isopropyl trifluoroacetate | C5H7F3O2 | 156.11 | | 73℃(749 |
| 400-44-2 | | 2-chloro-1,1,1,4,4,4-hexafluoro-2-buten | C4HClF6 | 198.5 | | 33℃ |
| 400-52-2 | | 1,1-dimethylethyl trifluoroacetate | C6H9F3O2 | 170.13 | | |
| 400-53-3 | 三氟乙酸三甲基硅酯 | Acetic acid, trifluoro-, trimethylsilyl ester | C5H9F3O2Si | 186.20 | | 88-90℃ |
| 400-54-4 | | 1,1,1-trifluoro-4-hexanedione | C6H7F3O2 | 168.11 | | 125℃ |
| 400-57-7 | | 2,2,3,3,4,4,4-heptafluoro-butyric acid octadecyl ester | C22H37F7O2 | 466.52 | | |
| 400-58-8 | | N-trifluoracetyl-glycylgylcine | C6H7F3N2O4 | 228.13 | | |
| 400-65-7 | 2,3-二氯-5-硝基三氟甲苯 | 1,2-dichloro-5-nitro-3-(trifluoromethyl)benzene | | | | |
| 400-66-8 | 2-溴-4-硝基-6-(三氟甲基)苯胺 | 2-bromo-4-nitro-6-(trifluoromethyl)aniline | | | | |
| 400-67-9 | 2-氯-4-硝基-6-三氟甲基苯胺 | 2-chloro-4-nitro-6-(trifluoromethyl)aniline | | | | |
| 400-70-4 | 2,4-二氯-5-硝基三氟甲苯 | 2,4-dichloro-5-nitrobenzotrifluoride | C7H2Cl2F3NO2 | 260 | 53-57℃ | |
| 400-72-6 | 4-溴-3-(三氟甲基)苯甲醚 | 4-bromo-3-(trifluoromethyl)anisole | | | | |
| 400-73-7 | | 4-chloro-3-(trifluoromethyl)anisole | C8H6ClF3O | 210.58 | | |
| 400-74-8 | 2-氟-5-三氟硝基苯 | 2-fluoro-5-nitrobenzotrifluoride | C7H3F4NO2 | 209.1 | | 105-110℃ |
| 400-75-9 | 2-碘-5-硝基三氟甲苯 | 2-iodo-5-nitrobenzotrifluoride | | | | |
| 400-76-0 | 4-氨基-3-(三氟甲基)苯甲酸 | 4-amino-3-(trifluoromethyl)benzoic acid | | | | |
| 400-88-4 | | 3-fluoro-4-methyl-5-nitro-benzoic acid | | | | |
| 400-91-9 | | 3-bromo-4,6-dinitrofluorobenzene | | | | |
| 400-93-1 | 4'-氟-3'-硝基苯乙酮 | 4'-fluoro-3'-nitroacetophenone | | | | |
| 400-94-2 | 4-氟-3-硝基苯甲酰氯 | 4-fluoro-3-nitrobenzoyl chloride | | | | |
| 400-97-5 | 1-碘-2-硝基-4-三氟甲基苯 | 1-iodo-2-nitro-4-(trifluoromethyl)benzene | | | | |
| 400-98-6 | 4-氨基-3-硝基三氟甲苯 | 4-amino-3-nitrobenzotrifluoride | C7H5F3N2O2 | 206.13 | 105-109℃ | |
| 400-99-7 | 2-硝基-4-三氟甲基苯酚 | 2-Nitro-4-(trifluoromethyl)phenol | C7H4F3NO3 | 207.11 | | 92℃(12 t |
| 4000-16-2 | | 1,2,3-triamino-guanidin mononitrate | | | | |
| 4000-72-0 | 1-氨甲基环己醇 | 1-Aminomethlcyclohexanol | C7H15NO | 129.20 | | |
| 40000-20-2 | | 5-bromo-10-phenanthroline | | | | |
| 40000-79-1 | 3,4-二氢-1,8-萘啶-2(1h)-酮 | 3,4-dihydro-1,8-naphthyridin-2(1h)-one | | | | |
| 40001-68-1 | | cis-butyl-cyclononene | C13H24 | 180.33 | | |
| 400024-08-0 | 氨氯地平杂质20 | amlodipine impurity 20 | | | | |
| 400027-51-2 | (R)-3,3'-双(2,4,6-三甲基苯基)-5,5',6,6',7,7',8,8'-八氢-1,1'-联萘酚 | (R)-5,5',6,6',7,7',8,8'-octahydro-3,3'-bis(2,4,6-trimethylphenyl)-[1,1'-binaphthalene]-2,2'-diol | | | | |
| 40003-41-6 | | 2-Bromo-4-methylthiazole-5-carboxylic acid | C5H4BrNO2S | 222.06 | 158 ℃ (dec.) | |
| 40003-48-3 | 2-氯-4-甲基噻唑-5-羧酸 | 2-chloro-4-methyl-1,3-thiazole-5-carboxylic acid | | | | |
| 400037-42-5 | | 3-(2-phenyl-imidazo[1,2-a]pyridin-3-yl)-acrylic acid | | | | |
| 400038-68-8 | 唑吡坦usp rc b | zolpidem usp rc b | | | | |
| 40004-08-8 | 1-(乙氧基羰甲基)哌嗪 | Ethyl piperazinoacetate | C8H16N2O2 | 172.22 | | |
| 40004-11-3 | | n-ethyl-2-piperazin-1-ylacetamide | | | | |
| 40004-14-6 | n,n-二乙基-2-哌嗪-1-乙酰胺 | n,n-diethyl-2-piperazin-1-yl-acetamide | | | | |
| 40004-29-3 | | 4-(alpha,alpha,alpha-trifluoro-m-tolyl)-piperazineethano | | | | |
| 40004-66-8 | | 4-o-tolyl-1-piperazineethano | | | | |
| 40004-67-9 | | 2-[4-(4-methoxyphenyl)-1-piperazinyl]ethanol | | | | |
| 40004-68-0 | | 1-[3-(1-pyrrolidinylcarbonyl)-2-pyridinyl]piperazine | | | | |
| 40004-69-1 | | 2-methyl-5-thiazolecarboxylic aci | | | | |
| 40004-84-0 | | thorium hydride (thh3) | | | | |
| 400045-79-6 | | tert-butyl benzyl(4-iodobutyl)carbamate | | | | |
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