| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 28123-73-1 | | 5-(4-nitrophenyl)-2-furoic acid | | | | |
| 281232-89-1 | | 4-(2-chloro-4-pyrimidinyl)benzoic acid | | | | |
| 281234-49-9 | | methyl 4'-formyl(1,1'-biphenyl)-3-carboxylate | | | | |
| 281234-85-3 | 4-(1-甲基哌啶-4-基)苯甲酸 | 4-(1-methylpiperidin-4-yl)benzoic acid | | | | |
| 281235-00-5 | | tert-butyl 4-[4-(methoxycarbonyl)phenoxy]-1-piperidinecarboxylate | | | | |
| 281235-04-9 | 4-(哌啶-4-基)苯甲酸甲酯 | methyl 4-piperidin-4-yl-benzoate | | | | |
| 28124-29-0 | | 1,7-phenazinediamine | | | | |
| 28125-84-0 | | 1,2,5,6-tetrahydro-1-methyl-nicotinic aci ethyl ester | | | | |
| 28125-87-3 | | flutonidine | | | | |
| 28126-22-9 | | 2,2,2-trichloroethyl n-methylcarbamate | | | | |
| 28126-80-9 | | 1-ethyl-2-methoxy-cyclohexanol | C9H18O2 | 158.24 | | |
| 28127-58-4 | | sec-butyl tiglate | | | | |
| 28128-19-0 | | 2-mercaptopurine | C5H4N4S | 152.17 | | |
| 28128-26-9 | | 2-iodo-7h-purin-6-amine | | | | |
| 28128-28-1 | | 8-chloroadenine | | | | |
| 28128-40-7 | | 2-amino-6-hydroxy-8-mercaptopurine | C5H5N5OS | 183.18 | 300℃ | |
| 28128-41-8 | | 8-aminoguanine | | | | |
| 28129-05-7 | (2-甲基丁-3-炔-2-基)苯 | (2-methylbut-3-yn-2-yl)benzene | | | | |
| 28129-68-2 | | o-veratraldehyde, (5-nitro-2-pyridyl)hydrazone | | | | |
| 28129-69-3 | | p-(dimethylamino)-benzaldehyd (5-nitro-2-pyridyl)hydrazone | | | | |
| 2813-25-4 | | 1-(methylsulfinyl)-2-nonadecanone | | | | |
| 2813-72-1 | | 5-b)pyridine-6-carboxylic acid, 3-(2-diethylaminoethyl)-imidazo( methyl este | | | | |
| 2813-84-5 | | 5-b)pyridine-6-carboxamide, n,n-diethyl-3-phenethyl-imidazo( | | | | |
| 2813-87-8 | | 5-c)pyridine, 1-phenethyl-imidazo( | | | | |
| 2813-95-8 | | acetic acid, 2-(sec-butyl)-4,6-dinitrophenyl ester | | | | |
| 28130-54-3 | | meso-1,1'-Dichloro-1,1'-diphenyl-1,1'-azodipropanc | C18H20Cl2N2 | 335.27 | | |
| 28131-32-0 | | Mercury,bis[acetophenone]di-μ-chlorodichlorodi- | C16H16Cl4Hg2O2 | 783.29 | | |
| 28131-33-1 | | Mercury,bis[benzophenone]di-μ-chlorodichlorodi- | C26H20Cl4Hg2O2 | 907.43 | | |
| 28131-34-2 | | Mercury,di-μ-chlorodichlorobis[sulfinylbis[methane]-O]di- | C4H12Cl4Hg2O2S2 | 699.26 | | |
| 28131-67-1 | | 2-dithiol-1-ium, 3,5-bis(ethylamino)- iodide | | | | |
| 28131-68-2 | | 1-piperazinepropanol, alpha-(2,4-dimethoxyphenyl-4-(beta-(isopentyloxy)phenethy | | | | |
| 28131-80-8 | | 6-(acetylamino)-2-naphthalenesulfonyl chlorid | | | | |
| 28132-01-6 | | 5-dimethanol, octahydro-7-methano-1h-indene-2 | | | | |
| 28132-03-8 | | 1,2,4,5-benzenetetracarboxylic acid, 1,5-dimethyl ester | | | | |
| 28132-15-2 | | Gynocardin mono(4-bromobenzenesulfonate) | C18H20BrNO10S | 522.32 | | |
| 28132-48-1 | | Trihydrogen(1+)ion | H3 | 3.02 | | |
| 28132-50-5 | | phosphoric acid, sodium zirconium(4++) salt (2:2:1) | | | | |
| 28132-73-2 | | Dinitrosylbis(triphenylphosphine)-iridium perchlorate | C36H30ClIrN2O6P2 | 876.25 | | |
| 28132-94-7 | 己二酸与2,4-二异氰酸根合-1-甲苯和1,2-乙二醇的聚合物 | Hexanedioic acid, polymer with 2,4-diisocyanato-1-methylbenzene and1,2-ethanediol | (C9H6N2O2·C6H10O4·C2H6O2)x | | | |
| 28133-55-3 | 间苯二甲酸与反丁烯二酸、乙二醇和3-氧杂-1,5-戊二醇的聚合物 | 1,3-Benzenedicarboxylic acid, polymer with (E)-2-butenedioic acid, 1,2-ethanediol and 2,2'-oxybis[ethanol] | (C8H6O4·C4H10O3·C4H4O4·C2H6O2)x | | | |
| 28133-65-5 | 2,5-呋喃二酮、甲氧基乙烯的聚合物钠盐 | 2,5-Furandione, polymer with methoxyethene, sodium salt | (C4H2O3·C3H6O)x·xNa | | | |
| 28134-84-1 | 丙烯酸-2-乙基己脂与苯乙烯的共聚物 | 2-Ethylhexyl acrylate-styrene copolymer | | | | |
| 28135-23-1 | 甲醛与苯乙烯和苯酚的聚合物 | Formaldehyde, polymer with ethenylbenzene and phenol | (C8H8·C6H6O·CH2O)x | | | |
| 28135-24-2 | | urea, polymer with formaldehyde, 2-furanmethanol and phenol | | | | |
| 28137-36-2 | | 2-methoxy-4'-methylbenzophenone | | | | |
| 28137-64-6 | | 1,1'-(octadecylimino)bis-2-propano | | | | |
| 28138-78-5 | 亚氮基三甲基磺酸三钠 | Methanesulfonic acid, nitrilotris-, trisodium salt | C3H9NO9S3·3Na | | | |
| 28139-02-8 | 2-巯基-3-甲基-3h-嘌呤-6-(9h)-酮 | 2-mercapto-3-methyl-3h-purin-6(9h)-one | | | | |
| 28139-92-6 | | Bis(1,4-dioxane)mercury bromide | C8H16Br2HgO4 | 536.61 | | |
| 2814-20-2 | 2-异丙基-4-甲基-6-羟基嘧啶 | 6-methyl-2-(1-methylethyl)-4(1H)-Pyrimidinone | C8H12N2O | 152.1956 | 172-175℃ | |
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