| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 28492-70-8 | | choline, chloride, sebacate (2:1) | | | | |
| 2849331-70-8 | 2-(4-(1-(二氟甲基)环丙基)苯基)乙酸 | 2-(4-(1-(Difluoromethyl)cyclopropyl)phenyl)acetic acid | C12H12F2O2 | 226.22 | | |
| 28494-15-7 | | 250059-s | | | | |
| 28495-72-9 | 3-戊酮对甲苯磺酰腙 | 3-pentanone p-toluenesulfonylhydrazone | C12H18N2O2S | 254.35 | 101-105°C | |
| 28495-80-9 | | 5-benzyloxybenzyluracil | | | | |
| 28495-88-7 | | 1-methyl-5-nitro-2,4(1h,3h)pyrimidinedione | C5H5N3O4 | 171.1109 | | 313 °C at 760 mmHg |
| 28497-96-3 | 2-甲基丙烯酸丁酯与丙烯酸丁酯、苯乙烯和2-甲基丙烯酸甲酯的共聚物 | 2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate, ethenylbenzene and methyl 2-methyl-2-propenoate | (C8H14O2·C8H8·C7H12O2·C5H8O2)x | | | |
| 28499-40-3 | | Lunarinc hydrobromide hydrate | C25H34BrN3O5 | 536.46 | | |
| 285-58-5 | | cis-bicyclo[3.1.0]hexane | C6H10 | 82.14 | | |
| 285-59-6 | 3-氮杂-二环[3.1.0]己烷 | 3-aza-bicyclo[3.1.0]hexane | | | | |
| 285-60-9 | | 3-oxabicyclo[3.1.0]hexane | C5H8O | 84.12 | | |
| 285-67-6 | 1,2-环氧环戊烷 | 6-oxabicyclo(3.1.0)hexane | C5H8O | 84.12 | | 102℃ |
| 285-69-8 | 3,4-环氧四氢呋喃 | 3,6-dioxabicyclo[3.1.0]hexane | C4H6O2 | 86.09 | | 44℃(10 t |
| 285-75-6 | | 6-thiabicyclo[3.1.0]hexane | C5H8S | 100.18 | | |
| 2850-19-3 | | ethyl 2-(para-tolylsulfonyl)-acetate | C11H14O4S | 242.29 | | |
| 2850-26-2 | ethyl n‐[(4‐methylbenzenesulfonyl)methyl]carbamate | | C11H15NO4S | 257.31 | | |
| 2850-36-4 | 1,3-二-正-丁基黄嘌呤 | 1,3-di-n-butylxanthine | | | | |
| 2850-40-0 | | 8-isopropyl-theophyllin | C10H14N4O2 | 222.24 | | |
| 2850-41-1 | | 8-propyl-theophyllin | C10H14N4O2 | 222.24 | | |
| 2850-61-5 | | dibutylhydroxy-arsine oxid | C8H19AsO2 | 222.16 | | |
| 2850-65-9 | 乙醇铜(ii) | copper(ii) ethoxide | C4H10CuO2 | 153.667 | 120 °C (dec.) | |
| 28500-00-7 | 飞燕草花青素-o-β-d-半乳糖苷氯化物 | delphinidin 3-galactoside chloride | C21H21ClO12 | 500.8 | | |
| 28500-02-9 | 矮牵牛素-3-o-半乳糖苷 | petunidin-3-o-galactoside | C22H23O12.Cl | 566.5 | | |
| 28500-03-0 | 矮牵牛素-3-o-阿拉伯糖苷 | petunidin-3-arabinoside | C21H21O11.Cl | 536.5 | | |
| 28500-04-1 | 氯化锦葵色素-3-O-阿拉伯糖苷 | Malvidin-3-O-arabinoside chloride | C22H23ClO11 | 498.9 | | |
| 28500-83-6 | | poly(n-isopropylacrylamide-co-acrylamide) | | | | |
| 28501-43-1 | | 1,2,4,5-benzenetetracarboxylic acid, polymer with 4,4'-oxybis[benzenamine] | | | | |
| 28501-77-1 | 己二酸与N,N'-双(2-氨基乙基)-1,2-乙二胺、甲苯和尿素的聚合物 | Hexanedioic acid, polymer with N,N'-bis(2-aminoethyl)-1,2-ethanediamine, formaldehyde and urea | | | | |
| 28503-70-0 | | methyl-pheno titanium(4++) salt | C28H28O4Ti | 476.40 | | |
| 28503-85-7 | | nonylphenol sulfide | | | | |
| 28505-89-7 | N-乙酰氧乙基-N-氰乙基间氨基乙酰苯胺 | N-[3-[[2-(acetyloxy)ethyl](2-cyanoethyl)amino]phenyl]-Acetamide | C15H19N3O3 | | | |
| 28506-01-6 | | benzylacetamidopyrrolidine | C13H18N2O | 218.3 | | |
| 28506-03-8 | | n-(1-benzyl-3-pyrrolidinyl)-3'-hydroxy-propionanilid | | | | |
| 28506-33-4 | | 2-propenethioic acid, 2-methyl-, s-[3,3,4,4,5,5,6,6,7,7,8,8,9,10,10,10-hexadeca | | | | |
| 28507-02-0 | | 16-bromoepiandrosterone | | | | |
| 28507-28-0 | | n,n-bis(2-bromoethyl)-benzylamin hydrobromide | | | | |
| 28507-46-2 | | 4-chloro-8-hydroxy-2-methylquinoline | C10H8ClNO | 193.63 | | |
| 28507-80-4 | | 3-beta,11-alpha-dihydroxy-5-alpha-pregn-16- en-20-one di(acetate) | | | | |
| 28507-96-2 | 1,2,3,4-四氯丁烷(meso) | meso-1 2 3 4-tetrachlorobutane | C4H6Cl4 | 195.9 | | |
| 28508-07-8 | | d-erythro-dihydrosphingosine-1-phosphate | | | | |
| 28508-22-7 | | iodocholine iodide | C5H13I2NO | 356.9718 | | |
| 28508-28-3 | | sec-butylamine, phosphate | | | | |
| 28508-48-7 | | hydroxymethoxybenzoicacidsodiumsalt | C8H7NaO4 | 190.13 | | |
| 28509-46-8 | 4-溴丁-2-酮 | 4-Bromobutan-2-one | | | | |
| 2851-08-3 | | 2-piperidin-1-yl-benzothiazole | C12H14N2S | 218.32 | | |
| 2851-09-4 | | 2-(1-piperidinyl)-benzoxazol | | | | |
| 2851-12-9 | | 2-(1-piperidinyl)-1h-benzimidazole | | | | |
| 2851-13-0 | | 2-dimethylamino-benzimidazol | C9H11N3 | 161.20 | | 301.5°C at 760 mmHg |
| 2851-52-7 | | 1,3,5,7,9,11-Hexaaza-2,4,6,8,10,12-hexaphosphacyclododeca-1,3,5,7,9,11-hexaene,2,2,4,4,6,6,8,8,10,10,12,12-dodecachloro-2,2,4,4,6,6,8,8,10,10,12,12-dodecahydro- | Cl12N6P6 | 695.32 | | |
| 2851-60-7 | | 1,5-disalicylidenamino-3-aza-pentane | C18H21N3O2 | 311.38 | | |
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