| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 25398-32-7 | 四氟乙烯、五氟一碘乙烷调聚物 | Ethene,tetrafluoro-,telomer with pentafluoroiodoethane | C2F5I·(C2F4)x | 345.93 | | |
| 25398-39-4 | | 4-(2-furanyl)-3-buten-2-on homopolymer | | | | |
| 25398-55-4 | 甲醛与1-苯乙酮的聚合物 | Formaldehyde,polymer with 1-phenylethanone | (C8H8O·CH2O)x | | | |
| 25399-81-9 | | zirconium oxychloride hexahydrate | | | | |
| 254-04-6 | | 2h-1-benzopyran | C9H8O | 132.16 | <25 °C | 204.08 °C(rough estimate) |
| 254-18-2 | | benzoxazine | C8H7NO | 133.14 | | |
| 254-27-3 | | 4h-1,3-benzodioxin | | | | |
| 254-60-4 | | 1,8-Naphthyridine | C8H6N2 | 130.15 | | |
| 254-79-5 | | [1,5]Naphthyridine | C8H6N2 | 130.15 | 69-75 °C | |
| 254-86-4 | | Pyrido[3,4-b]pyrazine | C7H5N3 | 131.14 | | |
| 2540-06-9 | 1-甲基-2-乙烯基-1H-吡咯 | 1-Methyl-2-vinyl-1H-pyrrole | C7H9N | 107.15 | | |
| 2540-09-2 | | 7-chloro-4-methyl-2(1h)-quinolinon | | | | |
| 2540-28-5 | | 1-hexadecanesulfonic acid (4-methyl-1-phenyl-2(1h)-quinolylidene)hydrazide | | | | |
| 2540-29-6 | | 4-methyl-1-phenyl-2(1h)-quinolinethione | | | | |
| 2540-30-9 | | 4-methyl-1-phenyl-2(1h)-quinolone | C16H13NO | 235.28 | | 386°C at 760 mmHg |
| 2540-36-5 | | carbonodithioic acid, o-(3-methylbutyl) ester, sodium salt | | | | |
| 2540-53-6 | 2-(4-甲氧苯基)甘氨酸 | 2-(4-Methoxyphenyl)glycine | C9H11NO3 | 181.19 | | |
| 2540-56-9 | 共轭(9z,11e)-亚油酸 | conjugated (9z,11e)-linoleic acid | C18H32O2 | 280.45 | -11.99 °C | |
| 2540-62-7 | | z-nhnh2 . hcl | C8H10N2O2.HCl | 202.64 | | |
| 2540-82-1 | 安果 | methyl- acetamide | | | | |
| 2540-99-0 | | diphenylsulfonetetracarboxylicdianhydride | C16H6O8S | 358.28 | 283 °C(lit.) | 718.5±45.0 °C(Predicted) |
| 25400-22-0 | | phenylarsonous acid | | | | |
| 25400-23-1 | | methanearsonous acid | | | | |
| 25400-54-8 | | a-hydroxy-cyclohexanepropanoic acid | | | | |
| 25400-83-3 | | 5-Dimethylamino-2-methyl-3-pentyn-2-ol | | | | |
| 25401-86-9 | | 2-hexadecyl-pheno | | | | |
| 25401-89-2 | 4-十四烷基苯酚 | 4-tetradecylphenol | C20H34O | 290.4834 | | 405.6 °C at 760 mmHg |
| 25401-93-8 | | 1-chloro-3-(pentyloxy)-2-propano | | | | |
| 25402-06-6 | | 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylic aci ester with 2-( | | | | |
| 25403-70-7 | | Tin,bis(propyl acetate-O')tetrachloro- | C10H20Cl4O4Sn | 464.76 | | |
| 25404-20-0 | | 2,6-dimethyl-propionanilid | | | | |
| 25405-62-3 | | o-nitrophenyl b-d-galactopyranoside*6-phosphate | C12H16NO11P | 381.23 | | |
| 25405-78-1 | | 11,12-Dibromo-3α,9-oxidocholanic acid methylester | C25H38Br2O3 | 546.38 | | |
| 25405-85-0 | | 9a- bis(benzoyloxy)-4a,7b-dihydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl- ( | C34H36O8 | 572.65 | | |
| 2540595-72-8 | 7,9-双(2,6-二乙基苯基)-7H-苊并[1,2-d]咪唑-9-鎓氯化物 | 7,9-Bis(2,6-diethylphenyl)-7H-acenaphtho[1,2-d]imidazol-9-ium chloride | C33H33ClN2 | 493.08 | | |
| 25406-64-8 | 莫诺苷 | morroniside | C17H26O11 | 406.38 | | 635.6°C |
| 25407-11-8 | | 1,1'-(1,2-ethynediyl)bis(2-nitro-benzen | | | | |
| 25407-30-1 | | 1-(2-(4-nitro-phenyl)-2-oxo-ethyl)-pyridinium, bromide | | | | |
| 25407-31-2 | | 1-(2-(4-methoxy-phenyl)-2-oxo-ethyl)-pyridinium, bromide | | | | |
| 25407-97-0 | | N,N'-Dimethyl-4,4'-bipyridylium tetrachlorocobaltate | C12H14Cl4CoN2 | 387.00 | | |
| 25407-98-1 | | N,N'-Dimethyl-4,4'-bipyridylium tetrachloropalladate | C12H14Cl4N2Pd | 434.46 | | |
| 25408-61-1 | | n,n-dimethyl-2,2-dimethoxy acetamide | C6H13NO3 | 147.17 | | 181.478°C at 760 mmHg |
| 25408-91-7 | | 2-butyl-2-thio-pseudoure dibutylphosphate | | | | |
| 25408-95-1 | | beta-hydroxy-2-furanpropanoic aci ethyl ester | | | | |
| 2540881-21-6 | 3-(3-羟基苯基)-1-甲基-7-((3-(4-甲基哌嗪-1-基)苯基)氨基)-1,6-萘啶-2(1H)-酮 | 3-(3-Hydroxyphenyl)-1-methyl-7-((3-(4-methylpiperazin-1-yl)phenyl)amino)-1,6-naphthyridin-2(1H)-one | C26H27N5O2 | 441.52 | | |
| 25409-08-9 | | 2-ethylidene-hexana | | | | |
| 25409-36-3 | 4-hydroxy-2H-furan-5-one | | C4H4O3 | 100.0726 | | |
| 25409-39-6 | | ethyl 2-acetoxy-2-methylacetoacetate | C9H14O5 | 202.2 | | 80℃(1 to |
| 2541-36-8 | | alpha-(2-(dimethylamino)ethyl)-4-fluoro-benzhydro hydrochloride | | | | |
| 2541-61-9 | (9Z,12Z)-十八碳-9,12-二烯醛 | (9Z,12Z)-Octadeca-9,12-dienal | C18H32O | 264.4461 | | |
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