| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 430-99-9 | 2-氟丙烯酸 | 2-fluoroacrylic acid | C3H3FO2 | 90.05 | 51.5°C | 181.3°C |
| 4300-02-1 | | cyclopentanepropanoic acid methyl ester | | | | |
| 4300-27-0 | | phenylheptatriyne | | | | |
| 4300-28-1 | D-核糖 5-磷酸 | D-Ribose 5-phosphate | C5H11O8P | 230.11 | | |
| 4300-33-8 | | 1-phenyl-3-(p-tolyl)urea | | | | |
| 4300-36-1 | | 1-(3-chlorophenyl)-3-(3,5-dichlorophenyl)urea | | | | |
| 4300-43-0 | N,N'-双(3,4-二氯苯基)脲 | Urea, N,N'-bis(3,4-dichlorophenyl) | C13H8Cl4N2O | 350.0274 | | 369.2 °C at 760 mmHg |
| 4300-45-2 | n-(3-nitrophenyl)-n′-(4-pyridinyl)urea | | | | | |
| 4300-46-3 | | 1-phenyl-3-(3-(trifluoromethyl)phenyl)urea | | | | |
| 4300-92-9 | | 1,1-bis(2-chloroethyl)-4-phenyl-3-thio-semicarbazid | | | | |
| 4300-97-4 | 氯代特戊酰氯 | 3-Chloro-2,2-dimethylpropionyl chloride | C5H8Cl2O | 155.0236 | | 85-86℃(6 |
| 43000-19-7 | | 2-naphthalenecarboxylic acid, 1-hydroxy-4-(1-hydroxy-3-oxo-1h,3h-naphtho[1,8-cd | | | | |
| 43000-65-3 | | 17a-aza-d-homoandrostan-17-one, 3-(((4-(bis(2-chloroethyl)amino)phenyl)acetyl)o | | | | |
| 43001-25-8 | 4-碘-1-丁炔 | 4-iodo-1-butyne | C4H5I | 179.99 | | |
| 43001-55-4 | | 4-(acetylamino)-benzenesulfonic aci phenyl ester | | | | |
| 43001-57-6 | | phenyl 4-chloro-3-nitrobenzenesulfonate | | | | |
| 43001-81-6 | | 2-[(7-amino-1-naphthalenyl)sulfonyl]-ethano | | | | |
| 43002-19-3 | | dicyanomethyleneiminoisoindoline | C11H6N4 | 194.2 | | |
| 43002-54-6 | (2-苯基-1h-咪唑-4-基)甲醇 | (2-phenyl-1h-imidazol-5-yl)methanol | C10H10N2O | 174.2 | | |
| 43002-64-8 | | ethyl 4-methylbenzene-1-carboximidate hydrochloride | | | | |
| 43002-66-0 | | ethyl 2-(4-chlorophenyl)ethanecarboximidate hydrochloride | | | | |
| 43002-67-1 | | ethyl 2-(naphthalen-1-yl)ethanecarboximidate hydrochloride | | | | |
| 43003-87-8 | | 3-ethyladenine | | | | |
| 43004-02-0 | | 3-b)pyridine, 5,6-dihydro-6-(4-methyl-1-piperazinyl)-(1)benzothiepino( (z)-2 | | | | |
| 43009-95-6 | | diethyl (3-dimethylaminopropyl)-malonate | | | | |
| 4301-04-6 | | 2,2-bis(chloromethyl)propionyl chloride | | | | |
| 4301-14-8 | | ethynylmagnesium bromide solution | C2HBrMg | 129.24 | | |
| 4301-39-7 | | 5-chloro-2-furancarboxylic acid ethyl ester | C7H7ClO3 | 174.58 | | |
| 4301-50-2 | | 4-biphenylacetic acid, 2-fluoroethyl ester | | | | |
| 4301-59-1 | | 6-mercapto-9-(2-cyanoethyl)-purine | | | | |
| 43010-05-5 | | 6-dipropylamino-1-hexanol | | | | |
| 43011-20-7 | 1,3-二氢-1,3-二氧基-5-异苯并呋喃羧酸和1,2-乙二醇的聚合物 | 5-Isobenzofurancarboxylic acid,1,3-dihydro-1,3-dioxo-,polymer with 1,2-ethanediol | (C9H4O5·C2H6O2)x | | | |
| 43012-19-7 | 4,4'-双(巯基甲基)联苯 | | C14H14S2 | 246.39 | | |
| 43012-47-1 | | 3-amino-1,3-dihydro-2h-indol-2-one hydrochloride | | | | |
| 43013-78-1 | | 3-(4-chlorophenyl)-1,1-dibutylurea | | | | |
| 43015-17-4 | | 1,3-dipropoxy-2-propano | | | | |
| 43015-44-7 | 3,6-二甲基吡嗪-2,5-二羧酸 | 3,6-Dimethylpyrazine-2,5-dicarboxylic acid | C8H8N2O4 | 196.16 | | |
| 43016-30-4 | | 5,5-diphenyl-3-(2-hydroxyethyl)-hydantoi | | | | |
| 43016-37-1 | | 5,5-diphenyl-3-(3-(4-morpholinyl)propyl)-4-imidazolidinedione | | | | |
| 43016-45-1 | | ethyl 2-(chloromethyl)-1h-benzimidazole-1-carboxylate | | | | |
| 43016-46-2 | | methyl 2-(chloromethyl)-1h-benzimidazole-1-carboxylate | | | | |
| 43016-78-0 | 2-(二甲氨基)乙基十四酸酯 | Pro-myristic acid | | | | |
| 43017-99-8 | 5,6-二溴苊-1,2-二酮 | 5,6-Dibromoacenaphthylene-1,2-dione | | | | |
| 43018-61-7 | 5-(二甲氨基)-2-戊酮 | 5-(dimethylamino)-2-pentanone | C7H15NO | 129.2 | | |
| 43019-45-0 | 酰胺磷腈 | Amide phosphazene | | | | |
| 43019-47-2 | | polyribose phosphate | | | | |
| 43019-90-5 | | benzoyl chloride-d5 | [2H]5C7ClO | 145.59 | -1℃ | 198℃ |
| 4302-52-7 | | 4-ethynyl-1,2-dimethoxybenzene | C10H10O2 | 162.1900 | | |
| 4302-66-3 | | bz-trp-oh | C18H16N2O3 | 308.33 | | |
| 4302-85-6 | | p-bromo-n,alpha-dimethyl-phenethylamin | | | | |
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