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    首页 分子通 CAS
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    中文名称 英文名称 CAS号 化学式
    2,3,3-三氯-2-硫代丙烯酸O-甲基酯 Methyl trichlorothioacrylate 76619-91-5 C4H3Cl3OS
    2,3,3-三氟-3-甲氧基丙酸甲酯 Methyl-3-methoxy-2,3,3-trifluorpropionat 758-69-0 C5H7F3O3
    2,3,3,6-四氟-1,4-环己二烯 2,3,3,6-tetrafluoro-1,4-cyclohexadiene 74298-21-8 C6H4F4
    2,3,3,4,5,6-六氯联苯 2,3,3',4',5',6-hexaachlorobiphenyl 74472-45-0 C12H4Cl6
    2,3,3,4,4,4-六氟-2-(三氟甲基)丁酰氟 3,4,4,4-hexafluoro-2-(trifluoromethyl)butyryl fluoride 754-49-4 C5F10O
    2,3,3,3-四氟丙烯 2,3,3,3-tetrafluoropropene 721945-86-4 C4H5F3
    2,3,3,3-四氟丙烯 2,3,3,3-tetrafluoro-propene 754-12-1 C3H2F4
    2,3,3,3-四氟-2-[1,1,2,3,3,3-六氟-2-(七氟丙氧基)丙氧基]丙酸乙酯 2'-perfluoropropoxy-2-perfluoropropoxyperfluoropropanoic acid ethyl ester 76145-88-5 C11H5F17O4
    2,3,3,3-四氟-2-(全氟戊氧基)丙-1-醇 2,3,3,3-Tetrafluoro-2-(perfluoropentoxy)propan-1-OL 78693-85-3 C8H3F15O2
    2,3,3,3-四氟-2-(三氟甲基)丙醛 heptafluoroisobutyraldehyde 7450-64-8 C4HF7O
    2,3,3,3-四氟-1-(4-甲基苯基)-1-丙酮 2,3,3,3-Tetrafluoro-1-(4-methylphenyl)propan-1-one 76435-42-2 C10H8F4O
    2,3,3'5-四氯联苯 2,3,3',5-tetrachlorobiphenyl 70424-67-8 C12H6Cl4
    2,3,3',5,6-五氯联苯 2,3,3',5,6-pentachlorobiphenyl 74472-36-9 C12H5Cl5
    2,3,3',5,5',6-六氯联苯 2,3,3',5,5',6-hexachlorobiphenyl 74472-46-1 C12H4Cl6
    2,3,3',4-四氯联苯 2,3,3',4-tetrachlorobiphenyl 74338-24-2 C12H6Cl4
    2,3,3',4,6-五氯联苯 2,3,3',4,6-pentachlorobiphenyl 74472-35-8 C12H5Cl5
    2,3,3',4,5-五氯联苯 2,3,3',4,5-pentachlorobiphenyl 70424-69-0 C12H5Cl5
    2,3,3',4,5,5',6-七氯联苯 2,3,3',4,5,5',6-heptachlorobiphenyl 74472-51-8 C12H3Cl7
    2,3,3',4,5'-五氯联苯 2,3,3',4,5'-pentachlorobiphenyl 70362-41-3 C12H5Cl5
    2,3,3',4,4',6-六氯联苯 2,3,4,4',5',6-hexachlorobiphenyl 74472-42-7 C12H4Cl6
    2,3,3',4,4',5',6-七氯联苯 2,3,3',4,4',5',6-heptachlorobiphenyl 74472-50-7 C12H3Cl7
    2,3,3',4',5-五氯联苯 2,3,3',4',5-pentachlorobiphenyl 70424-68-9 C12H5Cl5
    2,3,3',4',5,6-六氯联苯 2,3,3',4',5,6-hexaachlorobiphenyl 74472-44-9 C12H4Cl6
    2,3'-二硝基联苯 2,3'-dinitrobiphenyl 7391-72-2 C12H8N2O4
    2,3'-二氰基二苯乙烯苯 2-2-4-2-(3-Cyanophenyl)vinylphenylvinylbenzonitrile 79026-03-2 C24H16N2
    2,3',5',6-四氯联苯 2,3',5',6-tetrachlorobiphenyl 74338-23-1 C12H6Cl4
    2,3',5',6-四(2-甲基-2-丙基)-1,1'-联(2,5-环己二烯-1-亚基)-4,4'-二酮 3.3'.5.5'-Tetra-tert-butyl-diphenochinon 74978-25-9 C28H40O2
    2,3',4,5'-四氯联苯 2,3',4,5'-tetrachlorobiphenyl 73575-52-7 C12H6Cl4
    2,3'',4,5-四氯联苯 2,3',4,5-tetrachlorobiphenyl 73575-53-8 C12H6Cl4
    2,2’-硫代双乙醇和环氧乙烷的聚合物 2-(2-Hydroxyethylsulfanyl)ethanol;oxirane 72231-01-7 C6H14O3S
    2,2’-亚甲基双(4-(1,1-二甲基乙基)苯酚 bis(5-tert-butyl-2-hydroxyphenyl)methane 799-13-3 C21H28O2
    2,2’-二碘-9,9’-螺二芴 2,2'-diiodo-9,9'-spirobifluorene 790674-48-5 C25H14I2
    2,2’-二甲基-4,4’-联吡啶 2,2'-dimethyl-4,4'-bipyridine 712-61-8 C12H12N2
    2,2’-[[3-甲基-4-[(6-硝基-2-苯并噻唑基)偶氮]苯基]亚氨基]双乙醇双乙酸酯 2,2'-[[3-Methyl-4-[(6-nitrobenzothiazol-2-YL)azo]phenyl]imino]bisethyl diacetate 70660-53-6 C22H23N5O6S
    2,2’-[(1,4-二氧代-2-丁烯基-1,4-二基)二[亚氨基(2-甲基-4,1-苯亚基)偶氮]]二[5-[(4-磺苯基)偶氮]]苯磺酸四钠盐 Benzenesulfonic acid, 2,2'-((1,4-dioxo-2-butene-1,4-diyl)bis(imino(2-methyl-4,1-phenylene)azo))bis(5-((4-sulfophenyl)azo)-, tetrasodium salt 72252-60-9 C42H30N10Na4O14S4
    2,2’-(偶氮二对亚苯基)双(6-甲基苯并噻唑磺酸)二钠 2,2'-(Azodi-p-phenylene)bis6-methylbenzothiazolesulphonate (sodium salt) 71033-21-1 C28H18N4Na2O6S4
    2,2’-(4-氨基苯基亚氨基)二乙醇 N,N-bis(2-hydroxyethyl)-4-aminoaniline 7575-35-1 C10H16N2O2
    2,2’-(3,5,5-三甲基亚己基)双[4,6-二甲基苯酚] 1,1-bis(2-hydroxy-3,5-dimethylphenyl)-3,5,5-trimethylhexane 7292-14-0 C25H36O2
    2,2’-(1,2-亚乙基)双[5-[[4-(3-羟基丙氧基)苯基]偶氮-苯磺酸二钠盐 Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-(2-(4-(3-hydroxypropoxy)phenyl)diazenyl)-, sodium salt (1:2) 73507-48-9 C32H30N4Na2O10S2
    2,2’,4’-三羟基-4-甲氧基二苯甲酮 2,2',4'-trihydroxy-4-methoxybenzophenone 7392-62-3 C14H12O5
    2,2’,4,4’-四硝基二苯甲酮 2,2',4,4'–tetranitrodibenzophenone 71535-97-2 C13H6N4O9
    2,2’,3,6,6’-戊氯联苯 2,2',3,6,6'-Pentachlorobiphenyl 73575-54-9 C12H5Cl5
    2,2’,3,5,6-戊氯联苯 2,2',3,5,6-pentachlorobiphenyl 73575-56-1 C12H5Cl5
    2,2-双[(3-硝基-4-羟基)苯基]-六氟丙烷BNHPFP 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane 73340-33-7 C15H8F6N2O6
    2,2-双(对氯苯基)-1,1-二氯乙烷 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane 72-54-8 C14H10Cl4
    2,2-双(4-氯苯基)环氧乙烷 1.1-bis(p-chlorophenyl) ethylene oxide 71339-08-7 C14H10Cl2O
    2,2-双(2,4-二乙氧基苯基)丙烷 2,2-Bis-(2,4-diaethoxyphenyl)-propan 72977-49-2 C23H32O4
    2,2-二苯基乙烷磺酰氯 2,2-diphenylethanesulfonyl chloride 71351-01-4 C14H13ClO2S
    2,2-二苯基丙烷 2,2-diphenylpropane 778-22-3 C15H16
    2,2-二苯基-环丙基甲酸 2,2-diphenyl-cyclopropanecarboxylic acid 7150-12-1 C16H14O2