| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3,4,5-四氟苯磺酰氯 | 2,3,4,5-tetrafluorobenzenesulfonyl chloride | 591249-21-7 | C6HClF4O2S |
| 2,3,4,5-四氟苯甲醇 | 2,3,4,5-tetrafluorobenzyl alcohol | 53072-18-7 | C7H4F4O |
| 2,3,4,5-四氟苯甲酸甲酯 | 2,3,4,5-Tetrafluor-benzoesaeure-methylester | 5292-42-2 | C8H4F4O2 |
| 2,3,4,5-四氟苯乙腈 | 2,3,4,5-Tetrafluor-benzylcyanid | 53001-74-4 | C8H3F4N |
| 2,3,4,5-四氟硝基苯 | 2,3,4,5-tetrafluoro-1-nitrobenzene | 5580-79-0 | C6HF4NO2 |
| 2,3,4,5-四氟溴苄 | 2,3,4,5-tetrafluorobenzyl bromide | 53001-71-1 | C7H3BrF4 |
| 2,3,4,5-四乙酰氧基己二酸 | 2,3,4,5-Tetraacetyloxyhexanedioic acid | 5469-75-0 | C14H18O12 |
| 2,3,4,5,6-五甲基苯-1磺酰氯 | 2,3,4,5,6-pentamethylbenzenesulfonyl chloride | 52499-94-2 | C11H15ClO2S |
| 2,3,4,5,6-五溴苯乙烯 | 2,3,4,5,6-pentabromostyrene | 53097-59-9 | C8H3Br5 |
| 2,3,4,5,6-五氯环己烷-1-醇 | 1-hydroxy-2,3,4,5,6-pentachlorocyclohexane | 53861-64-6 | C6H7Cl5O |
| 2,3,4,5,6-五氟苯甲酸钾 | potassium pentafluorobenzoate | 58521-27-0 | C7F5O2*K |
| 2,3,4,5,6-五氟苯氧基乙酰基氯 | hexafluorophenoxyethanoyl chloride | 55502-53-9 | C8H2ClF5O2 |
| 2,3,4,5,6-五氟氯甲酸苄酯 | pentafluorobenzyl chlorocarbonate | 53526-74-2 | C8H2ClF5O2 |
| 2,3,4,5,6,8-六氯癸烷 | β-D-(p-Azidophenyl)-galaktosid | 51368-18-4 | C12H15N3O6 |
| 2,3,4,5,6,7-六氟-1,8-萘啶 | Hexafluoro-1,8-naphthyridin | 56595-12-1 | C8F6N2 |
| 2,3,4,4a,5,6,7,8-八氢-4,4alpha-二甲基-6-(1-甲基乙烯基)-2-萘酚 | 2,3,4,4a,5,6,7,8-Octahydro-4,4a-dimethyl-6-(1-methylvinyl)-2-naphthol | 53643-07-5 | C15H24O |
| 2,3,4,4-四甲基己烷 | 2,3,4,4-Tetramethyl-hexan | 52897-12-8 | C10H22 |
| 2,3,4,4,5-五氯环戊-2-烯-1-酮 | 2,3,4,4,5-pentachloro-2-cyclopenten-1-one | 5659-47-2 | C5HCl5O |
| 2,3,4,4,5,6-六氯-2,5-环己二烯-1-酮 | 2,3,4,4,5,6-hexachlorocyclohexa-2,5-dien-1-one | 599-52-0 | C6Cl6O |
| 2,3,3a,4,5,6,7,7alpha-八氯-3a,4,7,7alpha-四氢-4,7-甲桥-1H-茚-1,8-二酮 | octachloro-3a,4,7,7a-tetrahydro-4,7-methano-indene-1,8-dione | 5395-22-2 | C10Cl8O2 |
| 2,3,3-三苯基丙酸 | 2,3,3-triphenyl-propionic acid | 53663-24-4 | C21H18O2 |
| 2,3,3-三苯基丙腈 | 2,3,3-triphenyl-propionitrile | 5350-66-3 | C21H17N |
| 2,3,3-三甲基戊-1-烯 | 2,3,3-trimethyl-1-pentene | 560-23-6 | C8H16 |
| 2,3,3-三甲基丁酰氯 | 2,3,3-trimethyl-butyryl chloride | 52912-50-2 | C7H13ClO |
| 2,3,3-三甲基-5-溴-3H-吲哚 | 5-bromo-2,3,3-trimethyl-3H-indole | 54136-24-2 | C11H12BrN |
| 2,3,3-三甲基-5-(苯基磺酰基)-3H-吲哚 | 2,3,3-Trimethyl-5-phenylsulfonyl-indolenin | 55203-59-3 | C17H17NO2S |
| 2,3,3-三甲基-3H-吲哚溴化氢盐 | 2,3,3-trimethylindolenine hydrobromide | 53642-08-3 | BrH*C11H13N |
| 2,3,3-三乙基-1-丁烯 | 2,2,3-trimethylbut-1-ene | 594-56-9 | C7H14 |
| 2,3,3,5-四甲基己烷 | 2,3,3,5-tetramethyl-hexane | 52897-11-7 | C10H22 |
| 2,3,3,4-四甲氧基二苯甲酮 | (2,3-dimethoxyphenyl)(3,4-dimethoxyphenyl)methanone | 50625-53-1 | C17H18O5 |
| 2,3,3,4-四甲基己烷 | 2,3,3,4-Tetramethyl-hexan | 52897-10-6 | C10H22 |
| 2,3,10,12-四甲氧基-7-甲基-6,7,8,9-四氢-5H-二苯并[D,F]氮杂环壬烷 | protostephanine | 549-28-0 | C21H27NO4 |
| 2,3,10,11-四羟基小檗因 | 6,8,13,13a-tetrahydro-5H-isoquinolino[3,2-a]isoquinoline-2,3,10,11-tetraol | 53905-56-9 | C17H17NO4 |
| 2,3'-联吡啶 | 2,3'-bipyridine | 581-50-0 | C10H8N2 |
| 2,3',4-三氯联苯 | 2,4,3'-trichlorobiphenyl | 55712-37-3 | C12H7Cl3 |
| 2,3',4,5',6-五氯联苯 | 2,3',4,5',6-pentachlorobiphenyl | 56558-18-0 | C12H5Cl5 |
| 2,3',4,4'-四氯-(1,1'-联苯)-3-醇 | 2,3',4,4'-tetrachlorobiphenyl-3-ol | 51109-11-6 | C12H6Cl4O |
| 2,3',4,4',6-五羟基二苯甲酮 | maclurin | 519-34-6 | C13H10O6 |
| 2,3',4,4',6-五氯联苯 | 2,3',4,4'6-pentachlorobiphenyl | 56558-17-9 | C12H5Cl5 |
| 2,3',4,4',5,5'-六氯联苯 | 2,3',4,4',5,5'-hexachlorobiphenyl | 52663-72-6 | C12H4Cl6 |
| 2,3',4,4',5',6-六氯联苯 | 2,3',4,4',5',6-hexachlorobiphenyl | 59291-65-5 | C12H4Cl6 |
| 2,2′-[1,2-乙烷二基双[(E)-(次氮基次甲基)]]双[4-(叔丁基)-6-(1-哌啶基甲基)苯酚 | 2,2'-[1,2-Ethanediylbis[(E)-(nitrilomethylidyne)]] bis[4-(tert-butyl)-6-(1-piperidinylmethyl)phenol | 524679-18-3 | C36H54N4O2 |
| 2,2’-联苯二甲酸乙酯 | diethyl biphenyl 2,2'-dicarboxylate | 5807-65-8 | C18H18O4 |
| 2,2’-亚甲基双苯酚与氯甲基环氧乙烷的聚合物 | 2-(Chloromethyl)oxirane;2-[(2-hydroxyphenyl)methyl]phenol | 55492-52-9 | C16H17ClO3 |
| 2,2’-二硫二苯甲酸二甲酯 | bis[2-(methoxycarbonyl)phenyl]disulfide | 5459-63-2 | C16H14O4S2 |
| 2,2’-二氨基乙二醇二苯醚 | 1,2-Bis(2-aminophenoxy)ethane | 52411-34-4 | C14H16N2O2 |
| 2,2’-(甲基亚氨基)双-1-丙醇 | 2,2'-(Methylimino)dipropanol | 56684-95-8 | C7H17NO2 |
| 2,2’,4,4’,6,6’-六甲基二苯甲酮 | dimesityl ketone | 5623-45-0 | C19H22O |
| 2,2’,3,5,5’-戊氯联苯 | 2,2'3,5,5'-pentachlorobiphenyl | 52663-61-3 | C12H5Cl5 |
| 2,2’,3,4,6-戊氯联苯 | PCB 88 | 55215-17-3 | C12H5Cl5 |