| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 542-52-9 | 二丁基碳酸酯 | Carbonic acid, dibutyl ester | C9H18O3 | 174.24 | | |
| 542-53-0 | | n-ethyl-glycine hcl | | | | |
| 542-54-1 | | 4-methyl-valeronitril | C6H11N | 97.16 | | |
| 542-55-2 | 甲酸-2-甲基丙基酯 | Formic acid, 2-methylpropyl ester | C5H10O2 | 102.13 | | |
| 542-56-3 | 亚硝酸异丁酯 | nitrous acid, isobutyl ester | C4H9NO2 | 103.12 | | |
| 542-58-5 | | 2-chlorethylacetat | C4H7ClO2 | 122.55 | | |
| 542-59-6 | 1,2-乙二醇单乙酸酯 | 1,2-Ethanediol, monoacetate | C4H8O3 | 104.10 | | |
| 542-62-1 | 氰化钡 | Barium cyanide | C2BaN2 | | | |
| 542-63-2 | | diethylberyllium | C4H10Be | 67.13 | 12℃ | 110℃(15 |
| 542-69-8 | 1-碘丁烷 | 1-iodo-Butane | C4H9I | 184.02 | -103℃ | 130-131℃ |
| 542-75-6 | 1,3-二氯-1-丙烯 | 1,3-Dichloropropene(cis+trans) | C3H4Cl2 | 110.97 | | |
| 542-76-7 | 3-氯丙腈 | 3-chloro-Propanenitrile | C3H4ClN | 89.52 | | 174℃ |
| 542-81-4 | 2-氯乙基甲基硫醚 | 2-chloroethyl methyl sulfide | C3H7ClS | 110.61 | | 29℃(10 t |
| 542-83-6 | 氰化镉 | Cadmium cyanide | C2CdN2 | | | |
| 542-84-7 | | cobalt cyanide (co(cn)2) | | | | |
| 542-85-8 | 乙基异硫氰酸酯 | isothiocyanic acid, ethyl ester | C3H5NS | 87.14 | -6-132℃ | 130-132℃ |
| 542-88-1 | 氧代二氯甲烷 | oxybis[chloro-Methane | C2H4Cl2O | 114.96 | | |
| 542-90-5 | 硫氰酸乙酯 | Thiocyanic acid, ethyl ester | C3H5NS | 87.14 | | 138℃ |
| 542-91-6 | 二乙基硅烷 | diethyl-silan | C4H12Si | 88.22 | | 56℃ |
| 542-92-7 | 1,3-环戊二烯 | 1,3-Cyclopentadiene | C5H6 | 66.10 | | |
| 5420-17-7 | (Z)-油酸-2-四氢呋喃甲酯 | 9-Octadecenoic acid (Z)-, (tetrahydro-2-furanyl)methyl ester | C23H42O3 | 366.58 | | |
| 5420-38-2 | | 4-methoxy-benzoic acid 4-formyl-2-methoxy-phenyl ester | | | | |
| 5420-45-1 | | dodecanoic acid 1-butoxycarbonyl-ethyl ester | C19H36O4 | 328.49 | | |
| 5420-71-3 | | 2-(Pentyloxy-carbonyloxy)-propionic acid(2-butoxyethyl)ester | C15H28O6 | 304.38 | | |
| 5420-72-4 | | Octyl[1-(butoxy-carbonyl)ethyl]-carbonate | C16H30O5 | 302.41 | | |
| 5420-74-6 | | 2-hexyloxycarbonyloxy-propionic acid 2-hexyloxy-ethyl ester | C18H34O6 | 346.46 | | |
| 5420-76-8 | | Butyl[1-(butoxy-carbonyl)ethyl]-phthalate | C19H26O6 | 350.41 | | |
| 5420-94-0 | | 2-hexyl-2,4,5-trimethyl-3-dioxolane | | | | |
| 5420-98-4 | | 4-methyl-2-(2-phenylethenyl)-3-dioxane | | | | |
| 54200-50-9 | [1R-(1α,4Aβ,4Bα,10Aα)]-1,2,3,4,4A,5,6,10,10A-十氢化-1,4A-二甲基-7-(1-甲基乙基)菲甲醇乙酸酯 | 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, acetate, [1R-(1.alpha., 4a.bet1-Phenanthrenemethanol | C22H34O2 | | | |
| 54200-67-8 | | 2,3,6-trimethylacetophenone | C11H14O | 162.23 | | |
| 54201-06-8 | | 3-Chloro-1-iodo-2-butene | C4H6ClI | 216.45 | | |
| 54202-05-0 | 4-氰基双环[2.2.2]辛烷-1-羧酸甲酯 | methyl 4-cyanobicyclo[2.2.2]octane-1-carboxylate | | | | |
| 54202-09-4 | | methyl 4-(aminomethyl)bicyclo[2.2.2]octane-1-carboxylate | | | | |
| 54203-05-3 | | 5-triazine, 2,4,6-tris(pentabromophenoxy)-3 | | | | |
| 54208-63-8 | 双酚二环甘油醚 | 2,2'-[methylenebis(2,1-phenyleneoxymethylene)] bis-Oxirane | C19H20O4 | | | |
| 54209-92-6 | | 5-hydroxybenzo[d]oxazol-2(3h)-one | | | | |
| 5421-00-1 | | benzeneacetic acid, (tetrahydrofuranyl)methyl ester | | | | |
| 5421-04-5 | | benzeneacetic acid, alpha-hydroxy-3-methylbutyl ester | | | | |
| 5421-06-7 | | 5-ethyl-2-(2-furyl)-4-propyl-m-dioxan | | | | |
| 5421-12-5 | | 4-methyl-2-nonyl-3-dioxolane | | | | |
| 5421-17-0 | 苯乙酸己醇酯 | Benzeneacetic acid, hexyl ester | C14H20O2 | | | |
| 5421-27-2 | | 10-undecenoic acid, 2-methylpropyl ester | | | | |
| 5421-30-7 | | 2-ethylhexyl phenylacetate | C16H24O2 | 248.36 | | |
| 5421-46-5 | 氢硫基乙酸铵 | Acetic acid, mercapto-, monoammonium salt | C2H7NO2S | 109.1428 | | |
| 5421-48-7 | | (acetato)(diethoxyphosphinyl)-mercur | | | | |
| 5421-66-9 | 碱性棕 | 1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-, dihydrochloride | C21H24N8·2ClH | | 222℃ | |
| 5421-79-4 | | 1,2,3-tri-4-pyridylpropane | | | | |
| 5421-89-6 | | 4,4'-oxydi-benzamidin dihydrochloride | | | | |
| 5421-92-1 | N-4-吡啶基氯化吡啶翁盐酸盐 | 1,4'-bipyridinium, chloride, hydrochloride | C10H10Cl2N2 | 229.11 | 154-156℃ | |
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