| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 204251-33-2 | | fmoc-d-glutamic acid 5-allyl ester | | | | |
| 204251-86-5 | | (R)-4-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-5-(allyloxy)-5-oxopentanoic acid | | | | |
| 2042521-91-3 | 5,5′-[[4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b′]dithiophene-2,7-diyl]bis(2,1,3-benzothiadiazole-7,4-diylmethylidyne)]bis[3-ethyl-2-thioxo-4-thiazolidinone] | idt-2br | | | | |
| 204254-96-6 | 5-(戊烷-3-基氧基)-7-氧代-双环[4.1.0]庚-3-烯-3-羧酸乙酯 | (1S,5R,6S)-5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester | | | | |
| 204255-11-8 | 磷酸奥司他韦 | | | | | |
| 204256-08-6 | | naphthalene,1,4-dimethyl-5-propyl- | C15H18 | 198.30 | | |
| 204257-72-7 | 2-氟-4-碘苯甲酸甲酯 | methyl-2-fluoro-4-iodo-benzoate | | | | |
| 204259-54-1 | 乙酰基-l-肉碱-(n-甲基-d3) | acetyl-l-carnitine-(n-methyl-d3) | | | | |
| 204259-56-3 | 辛酰左旋肉碱 -d3 | octanoyl-l-carnitine-(n-methyl-d3) | | | | |
| 204259-63-2 | | acrylic acid (+ 0.1% 4-methoxyphenol) (2,3,3-d3, 98%) (<5% h2o) | | | | |
| 204259-66-5 | | 1-bromododecane-d25 | | | | 134℃(6 t |
| 20426-12-4 | | 4-hydroxychalcone | C15H12O2 | 224.25 | 183-185℃ | |
| 20426-48-6 | | 3'-chlorochalcone | | | | |
| 204260-38-8 | FMOC-D-4-甲基苯丙氨酸 | fmoc-p-me-d-phe-oh | C25H23NO4 | 401.46 | | |
| 204260-91-3 | | n-benzyl-3,4-dinitrobenzamide | | | | |
| 20427-11-6 | | cobalt(ii) cyanide dihydrate | | | | |
| 20427-22-9 | | 9-Methyl-9H-purine | C6H6N4 | 134.14 | | |
| 20427-56-9 | | ruthenium tetraoxide | O4Ru | 165.07 | | |
| 20427-58-1 | 氢氧化锌 | Zinc hydroxide | H2O2Zn | | | |
| 20427-59-2 | 氢氧化铜 | Copper(Ⅱ)hydroxide | CuH2O2 | | | |
| 20427-84-3 | | 2-[2-(4-nonylphenoxy)ethoxy]-ethano | | | | |
| 20428-74-4 | 溴氯乙酸甲酯 | bromochloroacetic acid-methyl ester | | | | |
| 20428-75-5 | | Methyl chlorodibromoacetate solution | | | | |
| 20428-76-6 | | Methyl bromodichloroacetate solution | | | | |
| 20429-33-8 | | | | | | |
| 20429-79-2 | | sophorose | C12H22O11 | 342.30 | | |
| 2043-00-7 | 1-苯乙烯基萘 | 1-styrylnaphthalene | | | | |
| 2043-06-3 | | 2,5-bis(4-biphenylyl)-1,3,4-oxadiazole | | | 235-238℃ | |
| 2043-08-5 | | diallyl-methyl-silane | C7H14Si | 126.27 | | |
| 2043-21-2 | 3-丙烯酰-2-恶唑烷酮 | 3-acryloyl-2-oxazolidinone | | | | |
| 2043-24-5 | | n-methyl-2-thio-succinimid | | | | |
| 2043-38-1 | | butizide | | | | |
| 2043-43-8 | 乳酰胺 | lactamide | C3H7NO2 | 89.09 | | |
| 2043-47-2 | 3,3,4,4,5,5,6,6,6-九氟正己醇 | 3,3,4,4,5,5,6,6,6-nonafluoro-1-Hexanol | C6H5F9O | 264.09 | | 140℃ |
| 2043-52-9 | | 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7-pentadecafluoro-9-iodo-nonan | | | | |
| 2043-53-0 | 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-十七氟代-10-碘代癸烷 | 1,1,1,2,2,3,3,4,4,5, 5,6,6,7,7,8,8-heptadecafluoro-10-iodo-Decane | C12H4F21I | 674.04 | 57-62℃ | 178℃ |
| 2043-54-1 | 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10-廿一氟代-12-碘代十二碳烷 | 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8, 9,9,10,10-heneicosafluoro-12-iodo-Dodecane | C12H4F21I | | | |
| 2043-55-2 | 1,1,2,2-四氢全氟己基碘 | 1,1,2,2-Tetrahydroperfluorohexyl iodide | C6H4F9I | 373.99 | | 138℃ |
| 2043-57-4 | 2-全氟己基-1-碘-乙烷 | 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-8-iodo-Octane | C8H4F13I | 474 | 21-180℃ | 180℃ |
| 2043-61-0 | 环已烷甲醛 | cyclohexanecarboxaldehyde | C7H12O | 112.17 | | 161℃ |
| 20430-18-6 | 2-甲基-2-对甲苯丙酸 | 2-methyl-2-(4-methylphenyl)propanoic acid | | | | |
| 20430-33-5 | | 4-cyanobenzyl-triphenylphosphonium chloride | C26H21ClNP | 413.88 | 327-330℃ | |
| 20430-59-5 | | hexahydro-1,2,2,7,7-pentamethyl-1h-4-diazepine | | | | |
| 20430-72-2 | | 4-hydroxy-7-methoxy-2-phenylquinoline | | | | |
| 20430-79-9 | | 7-chloro-5-ethoxy-1-methyl-3h-4-benzodiazepin-2(1h)-one | | | | |
| 20430-80-2 | | 1,3-dihydro-7-chloro-5-methoxy-1-methyl-2h-4-benzodiazepin-2-one | | | | |
| 20430-81-3 | | 7-chloro-5-ethoxy-1-phenyl-3h-4-benzodiazepin-2(1h)-one | | | | |
| 2043000-92-4 | 4-boc-1-(3-溴丙基)-2-哌嗪酮 | 4-boc-1-(3-bromopropyl)-2-piperazinone | | | | |
| 2043020-03-5 | 3-溴-5-氯-6-乙基吡嗪-2-甲腈 | 3-bromo-5-chloro-6-ethylpyrazine-2-carbonitrile | | | | |
| 204316-01-8 | 三甲基(九氟丁基)硅烷 | trimethyl(nonafluorobutyl)silane | | | | |
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