| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3,3,3-四氟丙酸 | 2H-tetrafluoropropionic acid | 359-49-9 | C3H2F4O2 |
| 2,3,3,3-四氟-2-(三氟甲基)丙酸 | heptafluoro-isobutyric acid | 335-10-4 | C4HF7O2 |
| 2,3,3'-三氯联苯 | 2,3,3'-trichlorobiphenyl | 38444-84-7 | C12H7Cl3 |
| 2,3,3',5,5'-五氯联苯 | 2,3,3',5,5'-pentachlorobiphenyl | 39635-32-0 | C12H5Cl5 |
| 2,3,3',4,5,5'-六氯联苯2 | 2,3,3',4,4',5-hexachlorobiphenyl | 39635-35-3 | C12H4Cl6 |
| 2,3,3',4,4'-五溴二苯醚 | 2,3,3',4,4'-Pentabromodiphenyl ether | 373594-78-6 | C12H5Br5O |
| 2,3,3',4,4',5,5'-七氯联苯 | 2,3,3',4,4',5,5'-heptachlorobiphenyl | 39635-31-9 | C12H3Cl7 |
| 2,3,3',4'-联苯四甲酸二酐 | 2,3,3',4'-biphenyltetracarboxylic dianhydride | 36978-41-3 | C16H6O6 |
| 2,3,3',4',6-五氯联苯 | 2,3,3',4',6-Pentachlorobiphenyl | 38380-03-9 | C12H5Cl5 |
| 2,3,3',4',5,5'-六氯联苯 | 2,3,3',4',5,5'-hexachlorobiphenyl | 39635-34-2 | C12H4Cl6 |
| 2,3,16,17-四溴-6,7,9,10,12,13,20,21,23,24,26,27-十二烷基二苯并[B,N][1,4,7,10,13,,16,19,22]八氧杂环四氢己酸 | 4,4',5,5'-tetrabromodibenzo[24]crown-8 ether | 302929-56-2 | C24H28Br4O8 |
| 2,3'-联吡啶氮氧化物 | 2-(3'-pyridinyl)pyridine N'-oxide | 39182-28-0 | C10H8N2O |
| 2,3'-联吡啶二氮氧化物 | 2,3'-bipyridine 1,1'-dioxide | 30651-23-1 | C10H8N2O2 |
| 2,3'-二硝基二苯砜 | 1-nitro-2-((3-nitrophenyl)sulfonyl)benzene | 34418-84-3 | C12H8N2O6S |
| 2,3',6-三氯联苯 | 2,3',6-Trichlorobiphenyl | 38444-76-7 | C12H7Cl3 |
| 2,3',5-三氯联苯 | 2,5,3'-trichlorobiphenyl | 38444-81-4 | C12H7Cl3 |
| 2,3',4,4'-四氯联苯 | 2,3',4,4'-terachlorobiphenyl | 32598-10-0 | C12H6Cl4 |
| 2,3',4',5-四氟联苯-4-酚 | 3-fluoro-4-(3,4,5-trifluorophenyl)phenol | 335125-98-9 | C12H6F4O |
| 2,2′:6′,2″-三联吡啶-4,4′,4″-三羧酸三甲酯 | trimethyl 2,2':6',2''-terpyridine-4,4',4''-tricarboxylate | 330680-46-1 | C21H17N3O6 |
| 2,2′-联苯二甲醇 | 2,2'-bis(hydroxymethyl)biphenyl | 3594-90-9 | C14H14O2 |
| 2,2′-联吡啶-3,3′-二醇 | [2,2'-bipyridine]-3,3'-diol | 36145-03-6 | C10H8N2O2 |
| 2,2′-滴滴伊 | 1,1-bis(chlorophenyl)-2,2-dichloroethylene | 3328-98-1 | C14H8Cl4 |
| 2,2′-双(溴甲基)-1,1′-联苯 | 2,2'-Bis(bromomethyl)-1,1'-biphenyl | 38274-14-5 | C14H12Br2 |
| 2,2′-亚乙基双(4,6-二叔丁基酚) | 2,2-ethylidenebis(4,6-tert-butylphenol) | 35958-30-6 | C30H46O2 |
| 2,2′-二吡啶基 N-氧化物 | 2,2'-bipyridyl N-oxide | 33421-43-1 | C10H8N2O |
| 2,2′,4,4′,5,5′-六氯联苯 | 2,2',4,4',5,5'-Hexachlorobiphenyl | 35065-27-1 | C12H4Cl6 |
| 2,2’-脱水-L-尿苷 | 2,2'-anhydro-L-uridine | 31501-46-9 | C9H10N2O5 |
| 2,2’-联苯二硼酸 | 2,2'-biphenyldiboronic acid | 312968-33-5 | C12H12B2O4 |
| 2,2’-联吡啶-D8 | 2,2'-bipyridine-d8 | 32190-42-4 | C10H8N2 |
| 2,2’-氧基二(N,N-二辛基乙酰胺) | TODGA | 342794-43-8 | C36H72N2O3 |
| 2,2’-氧代双(N,N-二乙基乙胺);双(二乙氨基乙基)醚 | 1,5-bis-(N,N-diethylamino)diethylether | 3030-43-1 | C12H28N2O |
| 2,2’-双(三氟甲基)-4,4’-二氨基苯基醚 | bis(4-amino-2-trifluoromethylphenyl) ether | 344-48-9 | C14H10F6N2O |
| 2,2’-亚氨基二乙醇与甲基环氧乙烷的聚合物 | 2-(2-Hydroxyethylamino)ethanol;2-methyloxirane | 35176-06-8 | C7H17NO3 |
| 2,2’-二氯二苯二硫醚 | bis(2-chlorobenzene)disulfide | 31121-19-4 | C12H8Cl2S2 |
| 2,2’-[[4-[(2-氯代-4-硝基苯基)偶氮]苯基]亚氨基]双-乙醇 | Disperse Red 19-Cl | 3025-41-0 | C16H17ClN4O4 |
| 2,2’-[[2-乙基-2-[(环氧乙基甲氧基)甲基]-1,3-联丙基]双(氧亚甲基)]双环氧乙烷 | 1,1,1-trimethylolpropane triglycidyl ether | 3454-29-3 | C15H26O6 |
| 2,2’-[1,4-苯基双(甲基氨基-4,1-苯氧基)]双[2-甲基丙酸] | 2,2'-[1,4-Phenylenebis(methyleneimino-4,1-phenyleneoxy)]bis[2-methylpropanoic acid] | 385437-91-2 | C28H32N2O6 |
| 2,2’,5,5’-四甲基联苯基 | 2,2',5,5'-tetramethylbiphenyl | 3075-84-1 | C16H18 |
| 2,2’,4,4’,6-戊氯联苯 | 2,2',4,4',6-pentachlorobiphenyl | 39485-83-1 | C12H5Cl5 |
| 2,2’,4,4’,5-五氯联苯 | 2,2',4,4',5-Pentachlorobiphenyl | 38380-01-7 | C12H5Cl5 |
| 2,2’,3,5’,6-戊氯联苯 | 2,3,6,2',5'-pentachlorobiphenyl | 38379-99-6 | C12H5Cl5 |
| 2,2’,3,4,5’-戊氯联苯 | 2,3,4,2',5'-pentachlorobiphenyl | 38380-02-8 | C12H5Cl5 |
| 2,2’,3,3’,4,5,6’-七氯联苯 | PCB 174 | 38411-25-5 | C12H3Cl7 |
| 2,2-金刚烷烯 | Biadamantylidene | 30541-56-1 | C20H28 |
| 2,2-联噻吩-5-乙醛 | 2,2'-bithiophene-5-carboxaldehyde | 3779-27-9 | C9H6OS2 |
| 2,2-联噻吩-5,5-二羧酸 | 2,2'-bithiophene-5,5'-dicarboxylic acid | 3515-34-2 | C10H6O4S2 |
| 2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂] | 2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate) | 38051-10-4 | C13H24Cl6O8P2 |
| 2,2-双二羟甲基苯胺-d<sub>19</sub> | Bis-tris-d19 | 352534-93-1 | C8H19NO5 |
| 2,2-双(溴甲基)1,3-丙二醇与(氯甲基)环氧乙烷的聚合物 | 2,2-Bis(bromomethyl)-1,3-propanediol diglycidyl ether | 31452-80-9 | C11H20Br2O5 |
| 2,2-双(溴乙基)-1,3-丙二醇 | 2,2-Bis(bromoethyl)-1,3-propanediol | 34549-30-9 | C7H14Br2O2 |