CompoundLookup Search compounds by elements

Carbon + Oxygen Compounds (C + O)

Browse all compounds containing Carbon + Oxygen by molecular formula, IUPAC name, or traditional name. Explore molecular weights and compound details.

We're currently updating our database. We've sourced 10 million compounds so far, with the full 170 million coming shortly.
Total Compounds: 6,571,471
Showing 6,373,351 - 6,373,400 of 6,571,471
Page 127468 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6787724 C25H21N3O3S 5-(3H-1,3-benzothiazol-2-ylidene)-6-(3,4-dimethoxyphenyl)-4-phenyl-1,6-dihydropyrimidin-2-one 5-(3H-1,3-benzothiazol-2-ylidene)-6-(3,4-dimethoxyphenyl)-4-phenyl-1,6-dihydropyrimidin-2-one 443.5
6787725 C23H21BrN4O3S N'-[(3-bromo-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]-2-(1-methylbenzimidazol-2-yl)sulfanyl-acetohydrazide N'-[(3-bromo-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]-2-(1-methylbenzimidazol-2-yl)sulfanyl-acetohydrazide 513.4
6787726 C25H15F3N4O3 4-[[2-(2-oxoindol-3-yl)hydrazino]methylene]-2-[2-(trifluoromethyl)phenyl]isoquinoline-1,3-dione 4-[[2-(2-oxoindol-3-yl)hydrazino]methylene]-2-[2-(trifluoromethyl)phenyl]isoquinoline-1,3-dione 476.4
6787727 C17H19N3O4 1-allyl-5-[1-(4-ethoxyanilino)ethylidene]hexahydropyrimidine-2,4,6-trione 1-allyl-5-[1-(4-ethoxyanilino)ethylidene]hexahydropyrimidine-2,4,6-trione 329.35
6787728 C22H22N6O4 7-(2-hydroxy-2-phenyl-ethyl)-3-methyl-8-[2-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]hydrazino]purine-2,6-dione 7-(2-hydroxy-2-phenyl-ethyl)-3-methyl-8-[2-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]hydrazino]purine-2,6-dione 434.4
6787729 C15H14N2O2 6-[[2-[(2-methoxyphenyl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-[(2-methoxyphenyl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 254.28
6787730 C21H16N4O3S methyl 2-[4-oxo-2-[2-[(2-phenylindol-3-ylidene)methyl]hydrazino]thiazol-5-ylidene]acetate methyl 2-[4-oxo-2-[2-[(2-phenylindol-3-ylidene)methyl]hydrazino]thiazol-5-ylidene]acetate 404.4
6787731 C18H14ClN3O3S 5-[2-(4-chlorophenyl)-2-oxo-ethyl]-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-4-one 5-[2-(4-chlorophenyl)-2-oxo-ethyl]-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-4-one 387.8
6787732 C23H23N3O5 ethyl 3-(4,6-dibenzyloxypyrimidin-2-yl)-2-hydroxyimino-propanoate 2468-85-1 421.4
6787733 C19H20N2O4S2 ethyl 2-acetylimino-7-(hydroxyamino)-6-phenylsulfanyl-5,6-dihydro-4H-benzothiophene-3-carboxylate ethyl 2-acetylimino-7-(hydroxyamino)-6-phenylsulfanyl-5,6-dihydro-4H-benzothiophene-3-carboxylate 404.5
6787734 C27H15Cl2F3N4O2 2-[[2-(3,4-dichlorophenyl)-1,3-benzoxazol-5-yl]iminomethyl]-4-[[3-(trifluoromethyl)phenyl]hydrazono]cyclohexa-2,5-dien-1-one 2-[[2-(3,4-dichlorophenyl)-1,3-benzoxazol-5-yl]iminomethyl]-4-[[3-(trifluoromethyl)phenyl]hydrazono]cyclohexa-2,5-dien-1-one 555.3
6787735 C16H26N4O2+2 [1-methyl-5-[3-(1-methylpyrrolidin-1-ium-1-yl)propylcarbamoyl]-2-pyridylidene]methyl-oxo-ammonium [1-methyl-5-[3-(1-methylpyrrolidin-1-ium-1-yl)propylcarbamoyl]-2-pyridylidene]methyl-oxo-ammonium 306.40
6787736 C16H25N4O2+ 1-methyl-N-[3-(1-methylpyrrolidin-1-ium-1-yl)propyl]-6-(nitrosomethylene)pyridine-3-carboxamide 1-methyl-N-[3-(1-methylpyrrolidin-1-ium-1-yl)propyl]-6-(nitrosomethylene)pyridine-3-carboxamide 305.40
6787737 C26H20BrN5O2S 4-[(3-bromo-4-methyl-phenyl)hydrazono]-2-[4-(4-methoxyphenyl)thiazol-2-yl]-5-phenyl-pyrazol-3-one 4-[(3-bromo-4-methyl-phenyl)hydrazono]-2-[4-(4-methoxyphenyl)thiazol-2-yl]-5-phenyl-pyrazol-3-one 546.4
6787738 C14H11ClF3N3O2 6-[[2-[3-chloro-5-(trifluoromethyl)-2-pyridyl]hydrazino]methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 6-[[2-[3-chloro-5-(trifluoromethyl)-2-pyridyl]hydrazino]methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 345.70
6787740 C13H20N3O3+ [2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-trimethyl-ammonium [2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-trimethyl-ammonium 266.32
6787741 C12H16N4O3S 1,1-diethyl-3-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 1,1-diethyl-3-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 296.35
6787742 C14H7Cl2F2NO3 3-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2,6-difluoro-benzoic acid 3-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2,6-difluoro-benzoic acid 346.1
6787743 C16H14ClNO3 6-[(5-acetyl-2-chloro-anilino)methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 6-[(5-acetyl-2-chloro-anilino)methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 303.74
6787744 C23H20N2O2 6-[[[2-(2,6-dimethylanilino)benzofuran-3-yl]amino]methylene]cyclohexa-2,4-dien-1-one 6-[[[2-(2,6-dimethylanilino)benzofuran-3-yl]amino]methylene]cyclohexa-2,4-dien-1-one 356.4
6787745 C17H18N2O5 3,4-dimethoxy-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 3,4-dimethoxy-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 330.33
6787746 C22H21NO3S ethyl 2-[(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4-(p-tolyl)thiophene-3-carboxylate ethyl 2-[(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4-(p-tolyl)thiophene-3-carboxylate 379.5
6787747 C21H19N3O7 1-(2,4-dimethylphenyl)-5-[(3-ethoxy-4-hydroxy-5-nitro-phenyl)methylene]hexahydropyrimidine-2,4,6-trione 1-(2,4-dimethylphenyl)-5-[(3-ethoxy-4-hydroxy-5-nitro-phenyl)methylene]hexahydropyrimidine-2,4,6-trione 425.4
6787748 C27H23BrClN5O3 N-[[5-bromo-2-oxo-1-[(6-oxo-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-11-yl)methyl]indolin-3-ylidene]amino]-4-chloro-benzamide N-[[5-bromo-2-oxo-1-[(6-oxo-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-11-yl)methyl]indolin-3-ylidene]amino]-4-chloro-benzamide 580.9
6787749 C27H30N4O5S 1-(4-isopropylphenyl)-5-[[(4-methoxy-6-methyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)methylamino]methylene]-2-thioxo-hexahydropyrimidine-4,6-dione 1-(4-isopropylphenyl)-5-[[(4-methoxy-6-methyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)methylamino]methylene]-2-thioxo-hexahydropyrimidine-4,6-dione 522.6
6787750 C9H9ClN6O2 4-[[(5-aminotetrazol-1-yl)amino]methylene]-2-chloro-6-methoxy-cyclohexa-2,5-dien-1-one 4-[[(5-aminotetrazol-1-yl)amino]methylene]-2-chloro-6-methoxy-cyclohexa-2,5-dien-1-one 268.66
6787751 C19H17ClN8O5 1-(2-chlorophenyl)-5-[[2-(1,3,7-trimethyl-2,6-dioxo-purin-8-yl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 1-(2-chlorophenyl)-5-[[2-(1,3,7-trimethyl-2,6-dioxo-purin-8-yl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 472.8
6787752 C16H14Br2N2O3 4-bromo-N'-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 4-bromo-N'-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 442.10
6787753 C24H24FN3O5S N-[(2-fluorophenyl)methyl]-N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-4-methyl-benzenesulfonamide N-[(2-fluorophenyl)methyl]-N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-4-methyl-benzenesulfonamide 485.5
6787754 C20H19N5O5 N-[2-[2-[1-(2-amino-2-oxo-ethyl)-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]-2-methoxy-benzamide N-[2-[2-[1-(2-amino-2-oxo-ethyl)-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]-2-methoxy-benzamide 409.4
6787755 C18H13BrN2O5 5-[(2-bromo-4-hydroxy-5-methoxy-phenyl)methylene]-1-phenyl-hexahydropyrimidine-2,4,6-trione 5-[(2-bromo-4-hydroxy-5-methoxy-phenyl)methylene]-1-phenyl-hexahydropyrimidine-2,4,6-trione 417.2
6787756 C16H12ClF3N2O3 N-[2-chloro-5-(trifluoromethyl)phenyl]-2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]oxy-acetamide N-[2-chloro-5-(trifluoromethyl)phenyl]-2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]oxy-acetamide 372.72
6787757 C19H18N2O5S2 diethyl 3-methyl-5-[2-(3-oxobenzothiophen-2-ylidene)hydrazino]thiophene-2,4-dicarboxylate diethyl 3-methyl-5-[2-(3-oxobenzothiophen-2-ylidene)hydrazino]thiophene-2,4-dicarboxylate 418.5
6787758 C16H9ClN2O5 6-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]chromen-2-one 6-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]chromen-2-one 344.70
6787759 C22H17BrClN5O6 N-[[3-[(4-bromophenyl)hydrazono]-5-methoxy-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]-2-(4-chloro-2-nitro-phenoxy)acetamide N-[[3-[(4-bromophenyl)hydrazono]-5-methoxy-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]-2-(4-chloro-2-nitro-phenoxy)acetamide 562.8
6787760 C22H18BrN3O2 2-(4-bromo-1-naphthyl)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 2-(4-bromo-1-naphthyl)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 436.3
6787761 C11H12N6O3 4-amino-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-1,2,5-oxadiazole-3-carboxamidine 4-amino-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-1,2,5-oxadiazole-3-carboxamidine 276.25
6787762 C18H13N3O4 2-nitro-N'-[(1-oxo-2-naphthylidene)methyl]benzohydrazide 2-nitro-N'-[(1-oxo-2-naphthylidene)methyl]benzohydrazide 335.3
6787763 C23H19N3OS 2-allyl-6-[[2-[4-(2-naphthyl)thiazol-2-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-allyl-6-[[2-[4-(2-naphthyl)thiazol-2-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 385.5
6787764 C20H15ClN2O3 [[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)-phenyl-methyl]amino] N-phenylcarbamate [[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)-phenyl-methyl]amino] N-phenylcarbamate 366.8
6787765 C19H23N3O7S 2,5-dimethoxy-N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-N-methyl-benzenesulfonamide 2,5-dimethoxy-N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-N-methyl-benzenesulfonamide 437.5
6787767 C18H22N4O4S N'-[[1-(4-ethoxyphenyl)-4,6-dioxo-2-thioxo-hexahydropyrimidin-5-ylidene]methyl]pentanehydrazide N'-[[1-(4-ethoxyphenyl)-4,6-dioxo-2-thioxo-hexahydropyrimidin-5-ylidene]methyl]pentanehydrazide 390.5
6787768 C26H21N5O2 2-(phenoxymethyl)-3-[[3-(p-tolyl)pyrazol-4-ylidene]methylamino]quinazolin-4-one 2-(phenoxymethyl)-3-[[3-(p-tolyl)pyrazol-4-ylidene]methylamino]quinazolin-4-one 435.5
6787769 C24H20BrN5O2S N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-phenyl-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-phenyl-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 522.4
6787770 C21H15ClN4O2 4-[[2-[2-(4-chlorophenyl)quinazolin-4-yl]hydrazino]methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[[2-[2-(4-chlorophenyl)quinazolin-4-yl]hydrazino]methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 390.8
6787771 C25H19Cl2N5O2S N-(3,4-dichlorophenyl)-2-[[5-indol-3-ylidene-4-(3-methoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide N-(3,4-dichlorophenyl)-2-[[5-indol-3-ylidene-4-(3-methoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide 524.4
6787772 C19H19N3O4 3-(4-methoxyphenyl)-N-[2-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]ethyl]prop-2-enamide 3-(4-methoxyphenyl)-N-[2-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]ethyl]prop-2-enamide 353.4
6787773 C28H22F2N6O3 2-(4-fluorophenyl)-4-[[3-[[1-(4-fluorophenyl)-3-methyl-5-oxo-pyrazol-4-ylidene]methylamino]-4-hydroxy-anilino]methylene]-5-methyl-pyrazol-3-one 2-(4-fluorophenyl)-4-[[3-[[1-(4-fluorophenyl)-3-methyl-5-oxo-pyrazol-4-ylidene]methylamino]-4-hydroxy-anilino]methylene]-5-methyl-pyrazol-3-one 528.5
6787774 C21H18BrN9O3 6-[[2-[4-anilino-6-(3,5-dimethylpyrazol-1-yl)-1,3,5-triazin-2-yl]hydrazino]methylene]-4-bromo-2-nitro-cyclohexa-2,4-dien-1-one 6-[[2-[4-anilino-6-(3,5-dimethylpyrazol-1-yl)-1,3,5-triazin-2-yl]hydrazino]methylene]-4-bromo-2-nitro-cyclohexa-2,4-dien-1-one 524.3
6787775 C18H16N2O2S 6-[[[4-(4-methoxyphenyl)-5-methyl-thiazol-2-yl]amino]methylene]cyclohexa-2,4-dien-1-one 6-[[[4-(4-methoxyphenyl)-5-methyl-thiazol-2-yl]amino]methylene]cyclohexa-2,4-dien-1-one 324.4

Related Element Combinations

Explore other compound combinations that include similar elements. Discover more chemistry by browsing related searches.

Looking for a specific combination?

Select any elements from the periodic table and discover all known compounds instantly.

NIH

Data Sourced from PubChem

All compound data on CompoundLookup comes from PubChem, the world's largest free chemistry database maintained by the National Institutes of Health (NIH). We've indexed and organized this data to enable element-based searching - a feature not available on any other platform. We're constantly adding more compounds and improving our coverage. Learn more about our mission.