| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2',3,4,5-四氯联苯 | PCB 76 | 70362-48-0 | C12H6Cl4 |
| 2',3,4,5-四氟-4'-(反式-4-丙基环己基)联苯 | 1,2,3-Trifluoro-5-[2-fluoro-4-(4-propylcyclohexyl)phenyl]benzene | 173837-35-9 | C21H22F4 |
| 2',3,4,5-四氟-4''-戊基-1,1':4',1''-三联苯 | 2',3,4,5-Tetrafluoro-4''-pentyl-1,1':4',1''-terphenyl | 326894-64-8 | C23H20F4 |
| 2',3,4,5-四氟-4''-丙基-1,1':4',1''-三联苯 | 3',3”,4”,5”-tetrafluoro-4-propyltribiphenyl | 205806-87-7 | C21H16F4 |
| 2',3,4,5,6'-五氯联苯 | 2,3',4',5',6-pentachlorobiphenyl | 74472-39-2 | C12H5Cl5 |
| 2',3,4,5,5'-五氯联苯 | 2,3',4',5,5'-Pentachlorobiphenyl | 70424-70-3 | C12H5Cl5 |
| 2',3,4,4',5-五氯联苯 | 2',3,4,4',5-pentachlorobiphenyl | 65510-44-3 | C12H5Cl5 |
| 2',3,3',4,5-五氯联苯 | 2',3,3',4,5-pentachlorobiphenyl | 76842-07-4 | C12H5Cl5 |
| 2',3'-二脱氧胞苷单磷酸酯二甘油负离子 | 2-[(4-Azido-2-nitrophenoxy)methoxy]ethanol | 140842-24-6 | C9H10N4O5 |
| 2',3'-二甲氧基-6'-硝基苯甲酸 | 2,3-dimethoxy-6-nitrobenzoic acid | 72517-26-1 | C9H9NO6 |
| 2',3'-二氯联苯基-3-醇 | 3-(2,3-Dichlorophenyl)phenol | 14962-33-5 | C12H8Cl2O |
| 2',3'-二氯-肉桂腈 | 2',3'-dichloro-cinnamic nitril | 125072-41-5 | C9H5Cl2N |
| 2',3'-二氯-4-联苯基羧酸 | 2',3'-Dichlor-4-biphenyl-carbonsaeure | 7111-63-9 | C13H8Cl2O2 |
| 2',3'-二氢-3',3'-二甲基螺[环己烷-1,1'-[1H]茚]-5'-醇 | 1,1-Pentamethylen-3,3-dimethyl-5-hydroxyindan | 53718-33-5 | C16H22O |
| 2',3'-二氟-3-联苯甲醛 | 3-(2,3-difluorophenyl)benzaldehyde | 848652-17-5 | C13H8F2O |
| 2',3',5',6'-四甲基-[1,1':4',1''-三联苯]-4,4''-二甲醛 | 2',3',5',6'-tetramethyl-[1,1':4'1'']terphenyl-4,4''-dicarbaldehyde | 850559-54-5 | C24H22O2 |
| 2',3',4'-三氯苯乙酮 | 2-(3,4-dichlorophenyl)acetyl chloride | 6831-55-6 | C8H5Cl3O |
| 2',3',10,11-四氢-2'-甲基螺[5H-二苯并[a,d]环庚烯-5,1'-[1H]异吲哚] | 2',3',10,11-Tetrahydro-2'-methylspiro[5H-dibenzo[a,d]cycloheptene-5,1'-[1H]isoindole] | 35926-76-2 | C23H21N |
| 2',2'-二苯基-1,2-苯-二羧酸二酰肼 | 2',2'-diphenyl-1,2-benzene-dicarboxylic acid dihydrazide | 70454-43-2 | C20H18N4O2 |
| 2',2'-三硫代二(4,4'-二氯-2-联苯亚磺酸)二钠 | Benzenesulfinic acid, 2,2'-trithiobis(4-chloro-m-phenylene)bis(5-chloro-, disodium salt, trihydrate | 64058-59-9 | C24H18Cl4Na2O7S5 |
| 2',2'-三硫代二(2-联苯亚磺酸)二钠二水合物 | Benzenesulfinic acid, 2,2'-trithiobis(o-phenylene)bis-, disodium salt, dihydrate | 64058-60-2 | C24H20Na2O6S5 |
| 2'',5-二氯-2-(3-甲基-4H-1,2,4-三唑-4-基)二苯甲酮 | 2',5-Dichloro-2-(3-methyl-4H-1,2,4-triazol-4-yl)benzophenone | 54196-61-1 | C16H11Cl2N3O |
| 2'',3,3',3'''-四甲基-1,1':4',1'':4'',1'''-四联苯 | Tetramethyl-p-quaterphenyl | 4575-13-7 | C28H26 |
| 2 6-二碘氢化喹啉 | 2,6-diiodohydroquinone | 1955-21-1 | C6H4I2O2 |
| 2 5-二甲基苯异腈 95 | 2,5-xylyl isocyanide | 71119-75-0 | C9H9N |
| 2 4 6-三硝基苯磺酸 | 2,4,6-trinitrobenzensulfonate | 2508-19-2 | C6H3N3O9S |
| 2 -甲基- 3 -硝基苯 | 2-methyl-3-nitrobenzonitrile | 71516-35-3 | C8H6N2O2 |
| 2 -氯苯基氧乙酸 | o-chlorobenzoylformic acid | 26118-14-9 | C8H5ClO3 |
| 2 -氯- 5 -氰基苯- 1 -磺酰氯 | 2-chloro-5-cyanobenzene-1-sulfonyl chloride | 942199-56-6 | C7H3Cl2NO2S |
| 2 -(甲基苯乙炔基)苯胺 | 2-(p-tolylethynyl)aniline | 124643-45-4 | C15H13N |
| 2 -(5-(1-三苯甲基-1H-四氮唑)苯硼酸 | 2-<2'-(triphenylmethyl)-2'H-tetrazol-5-yl>phenylboronic acid | 143722-25-2 | C26H21BN4O2 |
| 2 - (4 -溴苯基)-2- (羟甲基)丙烷-1,3-二醇 | 2-(4-bromophenyl)-2-(hydroxymethyl)propane-1,3-diol | 936494-74-5 | C10H13BrO3 |
| 2 - 氨基-5 - (4-氨基苯甲酰氨基)苯磺酸 | 2-amino-5-(4-amino-benzoylamino)-benzenesulfonic acid | 58862-43-4 | C13H13N3O4S |
| 2 - 氨基- 6 -硝基苯酚 | 2-amino-6-nitrophenol | 603-87-2 | C6H6N2O3 |
| 2 - (4 - 甲氧基苯基)丙酸乙酯 | methyl 2-(4-methoxyphenyl)propionate | 50415-73-1 | C11H14O3 |
| 2 - (2,4-二氯苯氧基)乙醇 | 2-(2,4-dichlorophenoxy)ethanol | 120-67-2 | C8H8Cl2O2 |
| 1-二甲胺基萘-5-磺酰-β-丙氨酸环己基铵盐 | dansyl-β-alanine | 1093-97-6 | C15H18N2O4S |
| 1,4-二苯基丁二炔 | 1,4-diphenyl-1,3-butadiyne | 886-66-8 | C16H10 |
| 1,4-二溴-2(2溴乙氧基)苯 | 1,4-dibromo-2-(2-bromoethoxy)benzene | 377091-18-4 | C8H7Br3O |
| 1,4-二乙炔基苯和1,3-二乙炔基苯的混合物 | 1,3-Diethynylbenzene;1,4-diethynylbenzene | 30523-88-7 | C20H12 |
| 1,2,3,4,5—五氯联苯 | 2,3,4,5,6-pentachlorobiphenyl | 18259-05-7 | C12H5Cl5 |
| 1,2-苯二磺酰氟 | benzene-1,2-disulfonyl difluoride | 115560-96-8 | C6H4F2O4S2 |
| 1,2-二(溴甲基)-4-氟苯 | 1,2-bis(bromomethyl)-4-fluorobenzene | 55831-04-4 | C8H7Br2F |
| 1,1,3,5,5-五苯基-1,3,5-三甲基硅氧烷 | chloro(dimethyl)(2-phenylethyl)silane | 17146-08-6 | C10H15ClSi |
| 1’-(叔丁氧羰基)-2,3-二氢螺[1H-茚-1,4’-哌啶]-3-乙酸 | 1'-[(1,1-dimethylethoxy)carbonyl]-2,3-dihydrospiro[1H-indene-1,4'-piperidine]-3-acetic acid | 185526-66-3 | C20H27NO4 |
| 1l4,5l4-1,5,2,4,6,8,3,7-二硒杂四吖二磷杂辛英,3,3,7,7-四氢-1,3,3,5,7,7-六苯基- | 1l4,5l4-1,5,2,4,6,8,3,7-Diselenatetrazadiphosphocine,3,3,7,7-tetrahydro-1,3,3,5,7,7-hexaphenyl- | 126972-43-8 | C36H30N4P2Se2 |
| 1beta-甲基-1-苯基环己烷 | 1-methylcyclohexylbenzene | 828-45-5 | C13H18 |
| 1beta,3beta-二羟基-18-去甲雄甾-5-烯并[6,5,4-Bc]呋喃-8,11,13-三烯-7,17-二酮 | Demethoxyviridiol | 56617-66-4 | C19H16O5 |
| 1a-甲基-1a,2,9,9a-四氢蒽并[2,3-b]环氧乙烯-3,8-二酮 | 1,2,3,4-Tetrahydro-2-methyl-2,3-epoxyanthracene-9,10-dione | 71173-53-0 | C15H12O3 |
| 1a-甲基-1a,2,2a,8a,9,9a-六氢蒽并[2,3-b]环氧乙烯-3,8-二酮 | Anthra(2,3-b)oxirene-3,8-dione, 1a,2,2a,8a,9,9a-hexahydro-1a-methyl- | 71173-51-8 | C15H14O3 |