| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2-(2-氯丙-2-烯基)己醛 | 2-butyl-4-chloro-pent-4-enal | 54814-08-3 | C9H15ClO |
| 2-(1-氯-2,2,2-三氟亚乙基)丙二腈 | 2-chloro-1,1-dicyano-2-(trifluoromethyl)ethylene | 76474-30-1 | C5ClF3N2 |
| 2,9-二氯-1-壬烯 | 2,9-Dichloro-1-nonene | 485320-14-7 | C9H16Cl2 |
| 2,8-二氯-1-辛烯 | 2,8-dichlorooct-1-ene | 485320-13-6 | C8H14Cl2 |
| 2,7-二氯-1-庚烯 | 2,7-Dichloro-1-heptene | 485320-12-5 | C7H12Cl2 |
| 2,6-亚甲基-1H-环丙烯并[a]薁,1,1,4,5-四氯-1a,1b,2,5,6,6a,7,7a-八氢- | 4,4,9,10-tetrachlorotetracyclo<6.3.1.0<sup>2,7</sup>.0<sup>3,5</sup>>dodeca-10-ene | 82071-94-1 | C12H12Cl4 |
| 2,6-二氟-1,5-环己二烯-1-甲酰氯 | 2,6-Difluorocyclohexa-1,5-diene-1-carbonyl chloride | 387337-22-6 | C7H5ClF2O |
| 2,5-二溴-3,4-二甲基己-2,4-二烯 | 2,5-dibromo-3,4-dimethyl-hexa-2,4-diene | 90085-77-1 | C8H12Br2 |
| 2,5-二溴-1,5-己二烯 | 2,5-dibromo-1,5-hexadiene | 71566-70-6 | C6H8Br2 |
| 2,5,6-三溴-1-己烯 | 2,5,6-Tribromohex-1-ene | 71673-27-3 | C6H9Br3 |
| 2,4-庚二烯,3,4,5-三氯-,(Z,Z)- | 2,4-Heptadiene, 3,4,5-trichloro-, (Z,Z)- | 130419-36-2 | C7H9Cl3 |
| 2,4-二溴-3,3,4,4-四氟-1-丁烯 | 2,4-dibromo-3,3,4,4-tetrafluorobut-1-ene | 161958-58-3 | C4H2Br2F4 |
| 2,4-二溴-2-丁烯 | 2,4-dibromo-2-butene | 86365-84-6 | C4H6Br2 |
| 2,4-二溴-1-丁烯 | 2,4-dibromo-1-butene | 55030-57-4 | C4H6Br2 |
| 2,4-二氯-丁-1-烯 | 2,4-Dichlor-1-buten | 3488-20-8 | C4H6Cl2 |
| 2,4-二氯-1,3-二环己基-1,3,2-二氮杂磷杂环戊二烯 | 2,4-dichloro-1,3-dicyclohexyl-Δ<sup>4</sup>-1,3,2-diazaphospholine | 115072-85-0 | C14H23Cl2N2P |
| 2,4-二氯-1,1,1-三氟-2-丁烯 | 2,4-Dichloro-1,1,1-trifluorobut-2-ene | 191591-40-9 | C4H3Cl2F3 |
| 2,4,4,4-四氟-1-丁烯 | 1,1,1,3-tetrafluorobut-3-ene | 721946-02-7 | C4H4F4 |
| 2,3-双(碘甲基)-1,3-丁二烯 | 2,3-bis(iodomethyl)-1,3-butadiene | 80356-22-5 | C6H8I2 |
| 2,3-二溴六氟-2-丁烯 | 1,2-dibromo-1,2-bis(trifluoromethyl)ethylene | 384-51-0 | C4Br2F6 |
| 2,3-二溴丁-2-烯 | 2,3-Dibrom-but-2-en | 19398-48-2 | C4H6Br2 |
| 2,3-二溴-4-甲基-戊-1-烯 | 2,3-dibromo-4-methyl-pent-1-ene | 858016-44-1 | C6H10Br2 |
| 2,3-二溴-3,3-二氟丙烯 | 2,3-dibromo-3,3-difluoro-propene | 677-35-0 | C3H2Br2F2 |
| 2,3-二溴-1-甲基环己烯 | 2,3-Dibrom-1-methylcyclohexen | 106988-85-6 | C7H10Br2 |
| 2,3-二溴-1-丙烯 | 2,3-Dibromopropene | 513-31-5 | C3H4Br2 |
| 2,3-二溴-1-丁烯 | 2,3-dibromo-but-1-ene | 52111-97-4 | C4H6Br2 |
| 2,3-二溴-1,4-二甲氧基-丁-2-烯 | 2,3-dibromo-1,4-dimethoxy-but-2-ene | 110280-53-0 | C6H10Br2O2 |
| 2,3-二溴-1,4-二甲氧基-丁-2-烯 | (E)-2,3-dibromo-1,4-dimethoxybut-2-ene | 110280-53-0 | C6H10Br2O2 |
| 2,3-二溴-1,1,3,3-四氟丙烷 | 2,3-dibromo-1,1,3,3-tetrafluoro-propene | 666-40-0 | C3Br2F4 |
| 2,3-二氯四氟-1,3-丁二烯 | 1,1,4,4-Tetrafluor-2,3-dichlor-butadien | 363-56-4 | C4Cl2F4 |
| 2,3-二氯六氟-2-丁烯 | 2,3-dichloro-1,1,1,4,4,4-hexafluoro-2-butene | 303-04-8 | C4Cl2F6 |
| 2,3-二氯丙烯 | 2,3-Dichloroprop-1-ene | 78-88-6 | C3H4Cl2 |
| 2,3-二氯-2-丁烯 | 2,3-dichloro-2-butene | 4279-21-4 | C4H6Cl2 |
| 2,3-二氯-1-丁烯 | 2,3-dichlorobut-1-ene | 7013-11-8 | C4H6Cl2 |
| 2,3-二氯-1,3-丁二烯与2-氯-1,3-丁二烯的共聚物 | 2-Chlorobuta-1,3-diene;2,3-dichlorobuta-1,3-diene | 25067-95-2 | C8H9Cl3 |
| 2,3-二氯-1,3-丁二烯 | 2,3-dichlorobuta-1,3-diene | 1653-19-6 | C4H4Cl2 |
| 2,3-二氯-1,1-二氟-2-丙烯 | cis-1,2-Dichloro-3,3-difluoropropene | 2805-21-2 | C3H2Cl2F2 |
| 2,3-二氯-1,1,3,3-四氟丙-1-烯 | 2,3-dichloro-1,1,3,3-tetrafluoropropene | 684-04-8 | C3Cl2F4 |
| 2,3,4,5,5-五氟-1,3-环戊二烯-1-羰基氟化物 | pentafluorocyclopenta-1,3-diene 1-carboxylic acid fluoride | 74415-71-7 | C6F6O |
| 2,3,3-三溴丙酸 | tribromoacrylic acid | 71815-46-8 | C3HBr3O2 |
| 2,3,3-三氯丙烯酰胺 | Trichlor-acrylsaeure-amid | 3880-18-0 | C3H2Cl3NO |
| 2,3,3-三氯丙烯酰氯 | 2,3,3-trichloroacryloyl chloride | 815-58-7 | C3Cl4O |
| 2,3,3-三氯丙-2-烯醛 | trichloro-acrylaldehyde | 3787-28-8 | C3HCl3O |
| 2,3,3-三氯丁-1-烯 | 2,3,3-trichloro-1-butene | 39083-23-3 | C4H5Cl3 |
| 2,3,3-三氯-3-氟-丙烯 | 2,3,3-Trichlor-3-fluor-propen | 421-42-1 | C3H2Cl3F |
| 2,3,3-三氟丙烯酸 | perfluoroacrylic acid | 433-68-1 | C3HF3O2 |
| 2,3,3-三氟丙烯酰氟 | 2,3,3-trifluoroacryloyl fluoride | 667-49-2 | C3F4O |
| 2,3,3-三氟丙-2-烯酸乙酯 | ethyl trifluoroacrylate | 392-68-7 | C5H5F3O2 |
| 2,3,3-三氟-1-丙烯 | 2,3,3-trifluoroprop-1-ene | 158664-13-2 | C3H3F3 |
| 2,3,3,4-四氯-1-丁烯 | 2,3,3,4-tetrachloro-1-butene | 64346-45-8 | C4H4Cl4 |