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    热门化合物HOT
    • 喹啉
    • 水杨醛
    • 二溴甲烷
    • 谷胱甘肽
    • L-乳酸
    • 苯巴比妥
    • 辣椒碱
    • 非那明
    • 百草枯
    • 联苯烯
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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(2-N-benzyloxycarbonyl-L-valyloxyethyl)-benzoic acid 238400-44-7 C22H25NO6
    4-(2-N-benzyloxycarbonyl-L-valyloxyethyl)-benzoic acid
    —— 4-Methyl-thiazolon-(2)-<4-aethylmercapto-phenyl>-imid 100120-38-5 C12H14N2S2
    4-Methyl-thiazolon-(2)-<4-aethylmercapto-phenyl>-imid
    —— 4,4-Dimethyl-5,6β-epoxy-A-homo-5β-cholestane-3β,4aα-diol 96574-97-9 C30H52O3
    4,4-Dimethyl-5,6β-epoxy-A-homo-5β-cholestane-3β,4aα-diol
    —— 4-((1<i>S</i>,2<i>S</i>,3<i>S</i>)-2-hydroxy-caran-3-yl)-butyric acid 109435-93-0 C14H24O3
    4-((1<i>S</i>,2<i>S</i>,3<i>S</i>)-2-hydroxy-caran-3-yl)-butyric acid
    —— 4-[2-(25,29,33,37-Tetrahexyl-12,18,39-triiodo-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(39),5,7(34),11,13(30),17(28),18,23,26,31,35,38(40)-dodecaen-6-yl)ethynyl]pyridine 1189047-12-8 C63H72I3NO8
    4-[2-(25,29,33,37-Tetrahexyl-12,18,39-triiodo-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(39),5,7(34),11,13(30),17(28),18,23,26,31,35,38(40)-dodecaen-6-yl)ethynyl]pyridine
    —— 4-ethylidene-2-(2-benzyloxy-3-nitro-phenyl)-4<i>H</i>-oxazol-5-one 101717-01-5 C18H14N2O5
    4-ethylidene-2-(2-benzyloxy-3-nitro-phenyl)-4<i>H</i>-oxazol-5-one
    —— 4-Aethyl-2-methyl-cyclopentanon-3-carbonsaeure-semicarbazon 950-90-3 C10H17N3O3
    4-Aethyl-2-methyl-cyclopentanon-3-carbonsaeure-semicarbazon
    —— 4-Acetyl-2.3.5-trichlor-thiophen-thiosemicarbazon 89640-28-8 C7H6Cl3N3S2
    4-Acetyl-2.3.5-trichlor-thiophen-thiosemicarbazon
    —— 4-Methoxy-oxanilsaeure-(α-acetyl-phenylhydrazid) 98657-21-7 C17H17N3O4
    4-Methoxy-oxanilsaeure-(α-acetyl-phenylhydrazid)
    —— 4,7-bis((5-(5-bromothiophen-2-yl)thiophen-2-yl))-2,2-dimethyl-2H-benzimidazole 1422455-45-5 C25H16Br2N2S4
    4,7-bis((5-(5-bromothiophen-2-yl)thiophen-2-yl))-2,2-dimethyl-2H-benzimidazole
    —— 4-(3-isopropyl-4-propyl-benzyl)-3,5-dimethyl-phenol 904925-75-3 C21H28O
    4-(3-isopropyl-4-propyl-benzyl)-3,5-dimethyl-phenol
    —— 4,6,6-Trimethyl-7-oxo-8-oxabicyclo-<2.2.2>-octan-2-exo-carbonsaeure-methylester 19316-09-7 C12H18O4
    4,6,6-Trimethyl-7-oxo-8-oxabicyclo-<2.2.2>-octan-2-exo-carbonsaeure-methylester
    —— 4,4,4-trichloro-3-hydroxy-1-phenyl-butan-1-one oxime 69809-06-9 C10H10Cl3NO2
    4,4,4-trichloro-3-hydroxy-1-phenyl-butan-1-one oxime
    —— 4-Chloro-benzoic acid 1-[4-(3,7-dimethyl-oct-6-enyloxy)-phenyl]-propyl ester 79727-61-0 C26H33ClO3
    4-Chloro-benzoic acid 1-[4-(3,7-dimethyl-oct-6-enyloxy)-phenyl]-propyl ester
    —— [(4R,5S)-6-(tert-Butyl-dimethyl-silanyloxy)-5-methyl-4-triethylsilanyloxy-hexylsulfanyl]-benzene 537711-66-3 C25H48O2SSi2
    [(4R,5S)-6-(tert-Butyl-dimethyl-silanyloxy)-5-methyl-4-triethylsilanyloxy-hexylsulfanyl]-benzene
    —— 4-(methoxymethoxy)benzenaminium chloride 1610763-21-7 C8H11NO2*ClH
    4-(methoxymethoxy)benzenaminium chloride
    —— 4-[5-(6-Oxo-6,7,8,9-tetrahydro-2,7,9a-triaza-benzo[cd]azulen-1-yl)-pyridin-2-yloxy]-benzonitrile 328544-08-7 C22H15N5O2
    4-[5-(6-Oxo-6,7,8,9-tetrahydro-2,7,9a-triaza-benzo[cd]azulen-1-yl)-pyridin-2-yloxy]-benzonitrile
    —— (4aR,8aS,9aS)-Decahydro-pyrrolo[1,2-a]indol-3-one 126374-06-9 C11H17NO
    (4aR,8aS,9aS)-Decahydro-pyrrolo[1,2-a]indol-3-one
    —— (4-Thiophen-2-yl-2-thiophen-3-yl-1,3-thiazol-5-yl) acetate 1035868-76-8 C13H9NO2S3
    (4-Thiophen-2-yl-2-thiophen-3-yl-1,3-thiazol-5-yl) acetate
    —— 4-{4-[3-(2-amino-2-oxoethyl)phenyl]-5-fluoro-2-oxopyridin-1(2H)-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide 1398502-92-5 C19H22FN3O6S
    4-{4-[3-(2-amino-2-oxoethyl)phenyl]-5-fluoro-2-oxopyridin-1(2H)-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide
    —— 4a-methyl-9-phenyl-3,4-dihydro-2H-indeno[2,1-b]pyran 1300682-96-5 C19H18O
    4a-methyl-9-phenyl-3,4-dihydro-2H-indeno[2,1-b]pyran
    —— {[{4-[1,3-Di(oxo-kappaO)butyl]-1-methyl-1H-pyrrol-2-yl}(oxo)azaniumyl]oxidanyl}(difluorido)boron(2+) 78023-25-3 C9H10BF2N2O4+
    {[{4-[1,3-Di(oxo-kappaO)butyl]-1-methyl-1H-pyrrol-2-yl}(oxo)azaniumyl]oxidanyl}(difluorido)boron(2+)
    —— 4-Brom-2.6-di-tert.-pentyl-cyclohexadien-(2.5)-on-(1) 93144-52-6 C16H25BrO
    4-Brom-2.6-di-tert.-pentyl-cyclohexadien-(2.5)-on-(1)
    —— 4-chloropyridinium bromide 217309-27-8 BrH*C5H4ClN
    4-chloropyridinium bromide
    —— 4-chloro-2-(<i>N</i>-nitroso-anilinomethyl)-phenol 109287-61-8 C13H11ClN2O2
    4-chloro-2-(<i>N</i>-nitroso-anilinomethyl)-phenol
    —— 4-Butyryl-2,3,5-trichlor-thiophen-thiosemicarbazon 91004-14-7 C9H10Cl3N3S2
    4-Butyryl-2,3,5-trichlor-thiophen-thiosemicarbazon
    —— 4-Methyl-5-oxo-2-phenyl-hexansaeure 98017-73-3 C13H16O3
    4-Methyl-5-oxo-2-phenyl-hexansaeure
    —— 4-Methoxy-4.4-bis-<2-hydroxy-4-methoxy-phenyl>-crotonsaeure 97081-03-3 C19H20O7
    4-Methoxy-4.4-bis-<2-hydroxy-4-methoxy-phenyl>-crotonsaeure
    —— 4-Chlor-benzoesaeure-<N-di-(4-nitro-phenoxy)-phosphinylimino>-<4-chlor-thiophenyl>-ester 119078-88-5 C25H16Cl2N3O7PS
    4-Chlor-benzoesaeure-<N-di-(4-nitro-phenoxy)-phosphinylimino>-<4-chlor-thiophenyl>-ester
    —— 4-Nitrobenzaldehyd-(azobenzol-4-sulfonylhydrazon) 3128-74-3 C19H15N5O4S
    4-Nitrobenzaldehyd-(azobenzol-4-sulfonylhydrazon)
    —— (4-Nitro-phenyl)-[4-o-tolyl-4H-benzo[f]quinolin-(3E)-ylidenemethyl]-diazene 96868-91-6 C27H20N4O2
    (4-Nitro-phenyl)-[4-o-tolyl-4H-benzo[f]quinolin-(3E)-ylidenemethyl]-diazene
    —— 4α-Brom-5β-cholestanol-(5)-on-(3)-acetat-(5) 97157-63-6 C29H47BrO3
    4α-Brom-5β-cholestanol-(5)-on-(3)-acetat-(5)
    —— 4,4'-Dinitro-3,3'-dimethyl-diphensaeure 92868-92-3 C16H12N2O8
    4,4'-Dinitro-3,3'-dimethyl-diphensaeure
    —— 4-hydroxy-<i>N</i>-[5-(2-methoxy-ethoxy)-pyrimidin-2-yl]-benzenesulfonamide 91960-17-7 C13H15N3O5S
    4-hydroxy-<i>N</i>-[5-(2-methoxy-ethoxy)-pyrimidin-2-yl]-benzenesulfonamide
    —— (4-Bromo-2-cyanophenyl)methanesulfonamide 1878327-03-7 C8H7BrN2O2S
    (4-Bromo-2-cyanophenyl)methanesulfonamide
    —— (4S)-2-[(1R,2R)-2-ethenyl-1-methyl-2H-naphthalen-1-yl]-4-propan-2-yl-4,5-dihydro-1,3-oxazole 132912-20-0 C19H23NO
    (4S)-2-[(1R,2R)-2-ethenyl-1-methyl-2H-naphthalen-1-yl]-4-propan-2-yl-4,5-dihydro-1,3-oxazole
    —— 4-fluorophenyl (6-methyl-2,4-dioxo-1,2-dihydropyrimidin-3(4H)-yl)methylcarbamate 1242742-52-4 C13H12FN3O4
    4-fluorophenyl (6-methyl-2,4-dioxo-1,2-dihydropyrimidin-3(4H)-yl)methylcarbamate
    —— 4-((2-phenylazepan-1-yl)carbonyl)-N-1,3-thiazol-2-ylbenzenesulfonamide 1063729-63-4 C22H23N3O3S2
    4-((2-phenylazepan-1-yl)carbonyl)-N-1,3-thiazol-2-ylbenzenesulfonamide
    —— 4,4,4-trifluoro-N-methylbutanamide 1394040-58-4 C5H8F3NO
    4,4,4-trifluoro-N-methylbutanamide
    —— 4-N-[2-(dimethylamino)ethyl]-6-iodoquinoline-3,4-diamine 1350733-67-3 C13H17IN4
    4-N-[2-(dimethylamino)ethyl]-6-iodoquinoline-3,4-diamine
    —— 4,9-dihydro-4-[1-[3-(1, 2-dihydro-2-oxo-4-quinolyl)propyl]-4-piperidinylidene]-10H-benzo[4, 5]cyclohepta[1,2-b]thiophen-10-one 153876-89-2 C30H28N2O2S
    4,9-dihydro-4-[1-[3-(1, 2-dihydro-2-oxo-4-quinolyl)propyl]-4-piperidinylidene]-10H-benzo[4, 5]cyclohepta[1,2-b]thiophen-10-one
    —— {4-[4-(4-Ethoxy-phenyl)-4,5-dihydro-1H-pyrazole-3-carbonyl]-phenyl}-[4-(4-ethoxy-phenyl)-4,5-dihydro-1H-pyrazol-3-yl]-methanone 132844-00-9 C30H30N4O4
    {4-[4-(4-Ethoxy-phenyl)-4,5-dihydro-1H-pyrazole-3-carbonyl]-phenyl}-[4-(4-ethoxy-phenyl)-4,5-dihydro-1H-pyrazol-3-yl]-methanone
    —— (4-benzhydryl-piperazin-1-yl)-indol-3-ylmethylene-amine 3601-25-0 C26H26N4
    (4-benzhydryl-piperazin-1-yl)-indol-3-ylmethylene-amine
    —— 4,5,6-trifluoro-2-nitrophenylazide 587847-30-1 C6HF3N4O2
    4,5,6-trifluoro-2-nitrophenylazide
    —— 4-Phenyl-2-<β-morpholino-propionylamino>-thiazol 20496-04-2 C16H19N3O2S
    4-Phenyl-2-<β-morpholino-propionylamino>-thiazol
    —— 4,7-di-tert-butyl-2,2,2-triphenyl-5-((triphenylstannyl)oxy)-2l5-benzo[d][1,3,2]dioxastannole 152730-54-6 C50H49O3Sn2
    4,7-di-tert-butyl-2,2,2-triphenyl-5-((triphenylstannyl)oxy)-2l5-benzo[d][1,3,2]dioxastannole
    —— 4-[(4-Methylphenyl)sulfanyl]but-2-yn-1-yl furan-2-carboxylate 847468-46-6 C16H14O3S
    4-[(4-Methylphenyl)sulfanyl]but-2-yn-1-yl furan-2-carboxylate
    —— 4-(7-methoxymethoxymethyl-3-methoxyoxalylindol-1-yl)piperidine-1-carboxylic acid tert-butyl ester 604010-38-0 C24H32N2O7
    4-(7-methoxymethoxymethyl-3-methoxyoxalylindol-1-yl)piperidine-1-carboxylic acid tert-butyl ester
    —— 4-Methyl-2-o-tolylselanyl-cyclohexanone 101685-23-8 C14H18OSe
    4-Methyl-2-o-tolylselanyl-cyclohexanone
    —— 4-Acetylamino-butyric acid 4-nitro-phenyl ester 42918-72-9 C12H14N2O5
    4-Acetylamino-butyric acid 4-nitro-phenyl ester