| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 280115-99-3 | | tert-butyl 4-(chlorocarbonyl)piperidine-1-carboxylate | | | | |
| 280116-80-5 | | 2-butylamino-5-bromopyridine | | | | |
| 280116-83-8 | | 2-benzylamino-5-bromopyridine | | | | |
| 28012-58-0 | | 1-(4-bromophenyl)-2-[(4-chlorophenyl)amino]ethanone | | | | |
| 280129-83-1 | 油菜素唑 | | | | | |
| 28013-59-4 | | Perlolyrine hydrobromide dihydrate | C16H17BrN2O3 | 365.22 | | |
| 28013-60-7 | | Octakis(9,10-dihydro-9,10-ethanoanthracene-11,11,12,12-tetracarbonitrite)bis(methylene chloride)-tetracyanomethylene | C167H82ClN36 | 2628.13 | | |
| 28014-25-7 | | 1h,3h-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone, polymer with 1,12-dodecanedia | | | | |
| 28014-46-2 | | estradiol, polyester with phosphoric acid | | | | |
| 28015-39-6 | | 2-propenoic acid, 2-methyl-, methyl ester, polymer with n-(methoxymethyl)-2-met | | | | |
| 28015-49-8 | | Cesium tetrakis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)lanthante(1-)monohydrate | C20H6CsF24LaO9 | 1118.03 | | |
| 28015-50-1 | | Cesium tetrakis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)cerate(1-)monohydrate | C20H6CeCsF24O9 | 1119.24 | | |
| 28015-63-6 | | 2,2'-Bipyridinium tetrabromocobaltate(II) | C10H10Br4CoN2 | 536.75 | | |
| 28015-99-8 | 二壬基萘磺酸镁盐 | Naphthalenesulfonic acid, dinonyl-, magnesium salt | C28H44O3S·1/2Mg | | | |
| 28016-00-4 | 二壬基萘磺酸锌盐 | Naphthalenesulfonic acid, dinonyl-, zinc salt | C28H44O3S·1/2Zn | | | |
| 28017-92-7 | | nitrosocyclopropane | C3H5NO | 71.08 | | |
| 28018-91-9 | 16β-溴-17α-羟基孕甾-4-烯-3,20-二酮 | 16-Bromo-17-hydroxypregn-4-en-3,20-dione | C21H29BrO3 | 409.36 | | |
| 2802-06-4 | | n-(carboxymethyl)-glycin hydrochloride | | | | |
| 2802-08-6 | | 1-dimethylamino-but-1-en-3-one | C6H11NO | 113.15 | | 101℃(5 t |
| 2802-61-1 | | 2,4-Difluoropyrimidine | C4H2F2N2 | 116.07 | | 118-120 ℃ |
| 2802-62-2 | | 4,6-difluoropyrimidine | C4H2F2N2 | 116.07 | | |
| 2802-68-8 | 一氢三氟甲氧基硼酸(1-)与甲醇(1:1)的化合物 | Hydrogen trifluoromethoxyborate(1-), compound with methanol (1:1) | CH4O·CH3BF3O·H | 131.88 | -20-60℃ | 59℃(4 to |
| 2802-70-2 | | Perfluoro(ethyl-idenemethylamine) | C3F7N | 183.03 | | |
| 2802-85-9 | | n-(2-chloro-5-(trifluoromethyl)phenyl)-2-fluoro-benzamid | | | | |
| 28020-34-0 | | 2-[(4-amino-3-methylphenyl)ethylamino]-ethano sulfate (salt) | | | | |
| 28020-36-2 | n2-甲基吡啶-2,5-二胺 | n2-methylpyridine-2,5-diamine | | | | |
| 28020-37-3 | | 2,6-dimethoxypyridin-3-amine | C7H10N2O2 | | | |
| 28020-38-4 | 2.3-二氨基-6-甲氧基吡啶(盐酸盐) | 2,3-Diamino-6-methoxypyridine | C6H11N3OCl2 | 212.08 | | |
| 28020-73-7 | | 2,6-bis(2-benzimidazolyl)pyridine | | | 300℃ | |
| 28021-28-5 | | Phenol,2,4,6-tribromo-,compd. with 4-chloroaniline(2:1) | C18H12Br6ClNO2 | 789.17 | | |
| 28022-03-9 | | 2-chloro-4'-nitrochalcone | | | | |
| 28022-11-9 | | megalomicin a | | | | |
| 28022-43-7 | 对氯苯基苯基甲胺 | (4-chlorophenyl)(phenyl)methanamine | | | | |
| 28022-44-8 | | 1-bromo-3-(epoxyethyl)-benzen | | | | |
| 28022-69-7 | | Cyclic-2,3,4,5,6,7(,8,8a-octahydro-3(,4(,8,8-tetramethyl-1H-3a(,7-methanoazulen-3,4-ylenephosphoro chloridic acid ester | C15H24ClO3P | 318.78 | | |
| 28022-70-0 | | Cyclic-2,3,4,5,6,7(,8,8a-octahydro-3(,4(,8,8-tetramethyl-1H-3a(,7-methanoazulen-3,4-ylenephosphorobromidic acid ester | C15H24BrO3P | 363.23 | | |
| 28023-03-2 | | morpholinium, 1-(2-(alpha-hydroxy-n-methyl-alpha-phenyl-2-thiopheneacetamido) e | | | | |
| 28023-38-3 | | 2',4'-dimethyl-2-piperidino-propiophenon hydrochloride | | | | |
| 28023-55-4 | | 5-phenoxy-3-benzenedicarboxylic acid | | | | |
| 28023-90-7 | | 4'-chloro-[1,1'-biphenyl]-3-ol | | | | |
| 28024-16-0 | | butanedioic acid, ethyl 3-methylbutyl ester | | | | |
| 28024-33-1 | | 1,2,3,6-tetrahydro-4-phenyl-1-(3-(phenylsulfinyl)propyl)-pyridin oxalate | | | | |
| 28024-56-8 | | crotyl glycine | C6H11NO2 | 129.15 | | |
| 28024-60-4 | 2-氨基-3-(1-吡唑基)丙酸 | 2-amino-3-(1-pyrazolyl)propanoic acid | | | | |
| 28024-69-3 | | 2-cyclobutylglycine | | | | |
| 28024-78-4 | | 2-amino-4-methyl-4-pentenoic acid | | | | |
| 28025-23-2 | | 1-methoxy-3-(2-propenyloxy)-2-propano | | | | |
| 28026-96-2 | | 3,5-dihydroxy-4-methylbenzoic acid | C8H8O4 | 168.14 | | |
| 28027-16-9 | | 4-hydroxy-6-methoxyquinoline-3-carboxylic acid | | | | |
| 28027-17-0 | 4-羟基-7-甲氧基喹啉-3-甲酸 | 4-hydroxy-7-methoxyquinoline-3-carboxylic acid | | | | |
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