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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
    4,4-二甲基-2-氧戊酸 4,4-dimethyl-2-oxopentanoic acid 34906-87-1 C7H12O3
    4,4-二甲基-2-氧唑啉 4,4-dimethyl-2-oxazoline 30093-99-3 C5H9NO
    4,4-二甲基-2-氧代环己烷羧酸甲酯 methyl 4,4-dimethyl-2-oxocyclohexancarboxylate 32767-46-7 C10H16O3
    4,4-二甲基-2-(三氟甲基)-1,3-恶唑烷 4,4-dimethyl-2-trifluoromethyl-oxazolidine 31185-57-6 C6H10F3NO
    4,4-二甲基-1-苯基咪唑烷-2-硫酮 4,4-dimethyl-1-phenyl-imidazolidine-2-thione 32595-29-2 C11H14N2S
    4,4-二甲基-1-环戊烯-1-甲醛 4,4-dimethylcyclopent-1-enecarbaldehyde 38312-94-6 C8H12O
    4,4-二甲基-1-戊醇 4,4-dimethyl-1-pentanol 3121-79-7 C7H16O
    4,4-二甲基-1-丙-2-基咪唑烷-2-硫酮 1-i-Propyl-4,4-dimethyl-2-imidazolidinthion 31596-21-1 C8H16N2S
    4,4-二甲基-1,7-二氧杂-2,6-二氮杂-7a-硫杂-3H,5H-苯并(cd)并环戊二烯 4,4-Dimethyl-1,7-dioxa-2,6-diaza-7a-thia-3H,5H-benzo(cd)pentalene 37895-65-1 C8H10N2O2S
    4,4-二甲基-1,3-戊二醇 4,4-dimethyl-1,3-pentanediol 30458-16-3 C7H16O2
    4,4-二甲基-1,3-恶唑烷-3-甲酰氯 4,4-dimethyloxazolidine-3-carbonyl chloride 39885-55-7 C6H10ClNO2
    4,4-二溴二苯基二硫化物 4,4'-dibromodiphenyl sulfide 3393-78-0 C12H8Br2S
    4,4-二溴-3-甲基-2-吡唑啉-5-酮 4,4-dibromo-5-methyl-2,4-dihydro-3H-pyrazol-3-one 33549-66-5 C4H4Br2N2O
    4,4-二氯-12-苯基-10,11,12-三氮杂五环[6.5.1.02,7.03,5.09,13]十四碳-10-烯 4,4-Dichloro-12-phenyl-10,11,12-triazapentacyclo[6.5.1.0(2,7).0(3,5).0(9,13)]tetradec-10-ene 3265-86-9 C17H17Cl2N3
    4,4-二氨基-(1,1-联苯)-3,3-二戊酸 δ.δ'-(4.4'-Diamino-3.3'-biphenyl)divaleriansaeure 35400-51-2 C22H28N2O4
    4,4-二氟环己烷羰酰氯 4,4-difluorocyclohexanecarbonyl chloride 376348-75-3 C7H9ClF2O
    4,4-二氟乙酰乙酸乙酯 ethyl 4,4-difluoro-3-oxobutyrate 352-24-9 C6H8F2O3
    4,4-二氟-N-((1S)-3-羟基-1-苯基丙基)环己烷甲酰胺 (S)-4,4-difluoro-N-(3-hydroxy-1-phenylpropyl)cyclohexanecarboxamide 376348-77-5 C16H21F2NO2
    4,4-二氟-N-((1S)-3-氧代-1-苯基丙基)环己烷-1-甲酰胺 (S)-4,4-difluoro-N-(3-oxo-1-phenylpropyl)cyclohexanecarboxamide 376348-78-6 C16H19F2NO2
    4,4-二氟-1-(4-氟苯基)-1,3-丁二酮 4,4-DIFLUORO-1-(4-FLUOROPHENYL)-1,3-BUTANEDIONE 371967-21-4 C10H7F3O2
    4,4-二吡啶基N,N-二氧化水合物 4,4'-bipyridine-N,N'-dioxide hydrate 338950-86-0 C10H8N2O2*(x)H2O
    4,4-二乙氧基-丁-3-烯-2-酮 4,4-diethoxy-but-3-en-2-one 39690-38-5 C8H14O3
    4,4-二乙氧基-1,1,1-三氟-2-丁酮 4,4-diethoxy-1,1,1-trifluoro-2-butanone 333339-64-3 C8H13F3O3
    4,4-二乙基环己酮 4,4-diethyl-1-cyclohexanone 35155-51-2 C10H18O
    4,4-二乙基环己-2-烯酮 4,4-Diaethyl-2-cyclohexen-1-on 35161-14-9 C10H16O
    4,4-二乙基哌啶 4,4-Diethyl-piperidin 3970-64-7 C9H19N
    4,4-二[3,5-二氧代-1,2-二(苯基)吡唑烷-4-基]-1,2-二(苯基)吡唑烷-3,5-二酮 3,5-Dioxo-1,2-diphenyl-4,4-bis-<3,5-dioxo-1,2-diphenyl-pyrazolidinyl-(4)>-pyrazolidin 3812-22-4 C45H32N6O6
    4,4-二(苯基)丁烷-1-胺 4,4-Diphenylbutylamine 36765-74-9 C16H19N
    4,4-二(2-乙基己基)-二噻吩并环戊二烯 4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene 365547-20-2 C25H38S2
    4,4-二(1H-四唑-5-基)-1,1-联苯 4,4'-bis(tetrazol-5-yl)biphenyl 351529-91-4 C14H10N8
    4,4-乙烷二氧基二苯甲醛 1,2-bis(4-formylphenoxy)ethane 34074-28-7 C16H14O4
    4,4-丁烷二氧基二苯甲酸 4,4'-butanediyldioxy-di-benzoic acid 3749-77-7 C18H18O6
    4,4-(苯基磷烯)二(苯磺酸)二钾盐水合物 Bis(p-sulfonatophenyl)phenylphosphine dihydrate dipotassium salt 308103-66-4 C18H17K2O8PS2
    4,4,8,8-四甲基-1-壬醇 4,4,8,8-Tetramethylnonan-1-ol 31334-80-2 C13H28O
    4,4,6-三甲基-2-苯基-1,3-恶嗪烷 2-phenyl-4,4,6-trimethyltetrahydro-(2H)-1,3-oxazine 31771-33-2 C13H19NO
    4,4,6-三甲基-2-甲基硫烷基-1-苯基嘧啶 1,4-dihydro-4,4,6-trimethyl-2-methylthio-1-phenylpyrimidine 34927-74-7 C14H18N2S
    4,4,6-三甲基-1-(3-硝基苯基)-3H-嘧啶-2-硫酮 1,4-Dihydro-4,4,6-trimethyl-1-(3-nitrophenyl)-pyrimidine-2-thiol 37489-52-4 C13H15N3O2S
    4,4,6-三甲基-1-(3-甲基苯基)-3H-嘧啶-2-硫酮 4,4,6-trimethyl-1-<i>m</i>-tolyl-3,4-dihydro-1<i>H</i>-pyrimidine-2-thione 37489-45-5 C14H18N2S
    4,4,6,6-四甲基环己烷-1,2,3-三酮水合物 4,4,6,6-tetramethylcyclohexane-1,2,3-trione hydrate 32893-50-8 C10H16O4
    4,4,6,6-四甲基环己-2-烯-1-酮 4,4,6,6-tetramethylcyclohex-2-en-1-one 32264-57-6 C10H16O
    4,4,5-三甲基-2H-吡唑-3-酮 2,4-dihydro-4,4,5-trimethyl-3H-pyrazol-3-one 3201-20-5 C6H10N2O
    4,4,5-三氟环己烯 3,4-Trifluorcyclohexen-1 39763-15-0 C6H7F3
    4,4,5,6,6,6-八氟-2-己烯 4,4,5,5,6,6,6-heptafluoro-hex-2-ene 355-95-3 C6H5F7
    4,4,5,5-四甲基咪唑烷e 4,4,5,5-tetramethylimidazolidine 351902-06-2 C7H16N2
    4,4,5,5-四甲基-2-(芘-1-基)-1,3,2-二噁唑环戊硼烷 1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrene 349666-24-6 C22H21BO2
    4,4,5,5-四甲基-2-(四氢-3-呋喃)-1,3,2-二噁硼烷 4,4,5,5-tetramethyl-2-(tetrahydrofuran-3-yl)-1,3,2-dioxaborolane 331958-90-8 C10H19BO3
    4,4,5,5-四甲基-2-(4-硝基苯基)咪唑烷 4,4,5,5-Tetramethyl-2-(4-nitrophenyl)imidazolidine 351902-04-0 C13H19N3O2
    4,4,5,5-四甲基-2-(3-硝基-4-苯氧基苯)-1,3,2-二氧杂硼烷 4,4,5,5-Tetramethyl-2-(3-nitro-4-phenoxyphenyl)-1,3,2-dioxaborolane 364354-15-4 C18H20BNO5
    4,4,5,5-四甲基-2-(2-甲基-1-萘)-1,3,2-二噁硼烷 4,4,5,5-tetramethyl-2-(2-methyl-1-naphthyl)-1,3,2-dioxaborolane 312303-48-3 C17H21BO2
    4,4,5,5,6,6-六氟己酸 4,4,5,5,6,6,6-heptafluorohexanoic acid 356-02-5 C6H5F7O2