| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 205692-14-4 | 2-(4-氯苯基)噻唑-5-羧酸 | 2-(4-chlorophenyl)thiazole-5-carboxylic acid | | | | |
| 205692-61-1 | 2-(5-甲氧基-2-硝基苯基)丙二醛水合物 | 2-(5-methoxy-2-nitrophenyl)malondialdehyde monohydrate | | | | |
| 205692-63-3 | | | C6H4N2O4.2H2O | 204.13 | 272-277℃ | |
| 205692-64-4 | 3-甲基-5-甲氧羰基-4-哌啶酮盐酸盐 | 3-methyl-5-methoxycarbonyl-4-piperidone hydrochloride | | | | |
| 2057-34-3 | | 4-[1-(2-butenyl)-3-pentenyl]-pyridin | | | | |
| 2057-42-3 | | 2-[1-(2-butenyl)-3-pentenyl]-pyridin | | | | |
| 2057-43-4 | | 2-(3-pentenyl)-pyridin | | | | |
| 2057-47-8 | | 4-[3-phenyl-1-(2-phenylethyl)propyl]-pyridin | | | | |
| 2057-49-0 | 4-(3-苯基丙基)吡啶 | 4-(3-phenylpropyl)-Pyridine | C14H15N | 197.27 | | 322℃ |
| 2057-82-1 | | isobutyraldehydedinitrophenylhydrazone | | | | |
| 2057-84-3 | | valeraldehyde 2,4-dinitrophenylhydra-zone | | | | |
| 2057-87-6 | 3-(4-氨基苯氧基)苯胺 | 3-(4-Aminophenoxy)benzenamine | | | | |
| 20570-20-1 | | (diethoxymethyl)diphenyl-phosphine oxid | | | | |
| 20570-96-1 | | benzyl-hydrazin dihydrochloride | C7H10N2.2HCl | 195.09 | 138-143℃ | |
| 20571-15-7 | | spiro[2.3]hexan-4-one | | | | |
| 20571-42-0 | | 7-(diethylamino)-2h-1-benzopyran-2-on | | | | |
| 20571-45-3 | | cadmium metaborate | | | | |
| 20572-01-4 | 1-甲基-1h-苯并咪唑-2-羧酸 | 1-methyl-1h-benzo[d]imidazole-2-carboxylic acid | | | | |
| 20572-84-3 | | Tin,bromotrimethyl(sulfinylbis[methane]-O)-,(TB-5-12)- | C5H15BrOSSn | 321.83 | | |
| 20574-25-8 | | platinate(1-), amminetrichloro-, potassium, monohydrate | | | | |
| 20574-50-9 | | morantel | | | | |
| 20574-65-6 | | dihydroneopterin triphosphate | | | | |
| 20574-98-5 | 4-(3-丁烯基)苯甲醚 | 4-(4-methoxyphenyl)-1-butene | | | | |
| 20574-99-6 | 4-(4-甲基苯基)-1-丁烯 | 4-(4-methylphenyl)-1-butene | | | | |
| 205744-14-5 | | (2-chloropyridin-3-yl)methanamine | | | | |
| 205744-15-6 | 3-甲胺基-2-溴吡啶 | (2-bromopyridin-3-yl)methanamine | | | | |
| 205744-16-7 | 2-氟-3-吡啶甲基甲胺 | (2-fluoropyridin-3-yl)methanamine | | | | |
| 205744-17-8 | 2-氟-5-氨甲基吡啶 | 5-(aminomethyl)-2-fluoropyridine | | | | |
| 205744-18-9 | 6-氟吡啶-2-甲胺 | (6-fluoropyridin-2-yl)methanamine | | | | |
| 205744-82-7 | | 2-(4-chloro-2-nitrophenyl)malondialdehyde | | | | |
| 205744-84-9 | 2-(2-喹喔啉基)丙二醛 | 2-(2-quinoxalinyl)malondialdehyde | | | | |
| 205744-92-9 | 775nm红外增感染料 | ir 775 tosylate | | | | |
| 2057469-39-1 | 5,10-二己基-2,7-双(4,4,5,5-四甲基-1,3,2-二氧杂硼戊烷-2-基)-5,10-二氢吲哚并[3,2-b]吲哚 | 5,10-dihexyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,10-dihydroindolo[3,2-b]indole | | | | |
| 205748-01-2 | | 3-ethoxy-4-hydroxyphenylacetonitrile | | | | |
| 205748-03-4 | | 4-(4-nitrobenzyloxy)acetophenone | C15H13NO4 | 271.27 | | |
| 20575-57-9 | 毛蕊异黄酮 | calycosin | | | | |
| 20575-74-0 | | n,n'-(4-methyl-1,3-phenylene)bis(1-piperidinecarboxamide) | | | | |
| 20575-75-1 | | 4,4'-bis(n,n-dimethylureido)-3,3'-dimethoxybiphenyl | | | | |
| 20575-76-2 | | 1,1'-hexamethylenebis(3,3-dimethyl-ure | | | | |
| 20575-80-8 | | 1,1-dimethyl-3-(2-methoxyphenyl)urea | | | | |
| 205750-82-9 | 2-氟-4-碘苯甲酸乙酯 | ethyl 2-fluoro-4-iodobenzoate | | | | |
| 2057507-56-7 | 3-溴-5,5-二甲基-5,6-二氢-4h-吡咯并[1,2-b]吡唑 | 3-bromo-5,5-dimethyl-5,6-dihydro-4h-pyrrolo[1,2-b]pyrazole | | | | |
| 2057507-59-0 | 5,5-二甲基-3-(4,4,5,5-四甲基-1,3,2-二氧杂硼杂环戊烷-2-基)-5,6-二氢-4h-吡咯并[1,2-b]吡唑 | 5,5-dimethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydro-4h-pyrrolo[1,2-b]pyrazole | | | | |
| 2057508-84-4 | 5-甲基-5,6-二氢-4h-吡咯并[1,2-b]吡唑 | 5-methyl-5,6-dihydro-4h-pyrrolo[1,2-b]pyrazole | | | | |
| 2057508-92-4 | 5-甲基-3-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)-5,6-二氢-4h-吡咯并(1,2-b)吡唑 | 5-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydro-4h-pyrrolo[1,2-b]pyrazole | | | | |
| 205752-47-2 | | 5,12-naphthacenedione, 7,8,9,10-tetrahydro-1,8-dimethoxy-9-methyl-4,6,9,10-tetr | | | | |
| 20576-52-7 | | 4'-(1-ethyl-2-methylethylene)di- erythro-pheno | | | | |
| 20576-53-8 | | 4'-(1-ethyl-2-methylethylene)di- threo-pheno | | | | |
| 20576-82-3 | 4-(叔丁氧基羰基)苯甲酸 | 4-(tert-butoxycarbonyl)benzoic acid | | | | |
| 205763-22-0 | | n-fmoc-tyr-ala diazomethyl ketone | | | | |
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