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 6,430,701 - 6,430,750 of 6,571,471
Page 128615 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6846672 C21H18N4O5 4-[[(6,7-dimethoxy-2-methyl-4-oxo-quinazolin-3-yl)amino]methylene]-2-phenyl-oxazol-5-one 4-[[(6,7-dimethoxy-2-methyl-4-oxo-quinazolin-3-yl)amino]methylene]-2-phenyl-oxazol-5-one 406.4
6846673 C23H21N3O8S 5-[(Z)-[[2-benzamido-3-(3,4-dimethoxyphenyl)prop-2-enoyl]hydrazono]methyl]furan-2-sulfonic acid 5-[(Z)-[[2-benzamido-3-(3,4-dimethoxyphenyl)prop-2-enoyl]hydrazono]methyl]furan-2-sulfonic acid 499.5
6846674 C22H24N4O3 1-cycloheptyl-5-[[2-(1-naphthyl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 1-cycloheptyl-5-[[2-(1-naphthyl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 392.5
6846675 C12H11Cl2N3O2 4-[(3,5-dichloroanilino)methylene]-3-(methoxymethyl)-1H-pyrazol-5-one 4-[(3,5-dichloroanilino)methylene]-3-(methoxymethyl)-1H-pyrazol-5-one 300.14
6846676 C20H19N5O6 1-butyl-3-[[2-(2,4-dinitrophenyl)hydrazino]methylene]quinoline-2,4-dione 1-butyl-3-[[2-(2,4-dinitrophenyl)hydrazino]methylene]quinoline-2,4-dione 425.4
6846677 C22H18Cl2N2O4 4-[(3,4-dichlorophenyl)methoxy]-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 4-[(3,4-dichlorophenyl)methoxy]-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 445.3
6846678 C16H14N4O7+2 hydroxy-[3-[hydroxy(oxo)ammonio]-4-[2-(4-hydroxy-2-oxo-4-phenyl-but-3-enoyl)hydrazino]phenyl]-oxo-ammonium hydroxy-[3-[hydroxy(oxo)ammonio]-4-[2-(4-hydroxy-2-oxo-4-phenyl-but-3-enoyl)hydrazino]phenyl]-oxo-ammonium 374.30
6846679 C20H21Br2N3O2 2,4-dibromo-6-[[4-(4-propanoylpiperazin-1-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[4-(4-propanoylpiperazin-1-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 495.2
6846680 C19H12BrN3O2S2 2-bromo-N-[5-(1H-indol-3-ylmethylene)-4-oxo-2-thioxo-thiazolidin-3-yl]benzamide 2-bromo-N-[5-(1H-indol-3-ylmethylene)-4-oxo-2-thioxo-thiazolidin-3-yl]benzamide 458.4
6846681 C20H15BrN2O3S 3-(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-2-[4-(4-methoxyphenyl)-3H-thiazol-2-ylidene]propanenitrile 3-(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-2-[4-(4-methoxyphenyl)-3H-thiazol-2-ylidene]propanenitrile 443.3
6846682 C15H15N3O2 3-(5-ethyl-1,2-dihydropyrazol-3-ylidene)-1-methyl-quinoline-2,4-dione 3-(5-ethyl-1,2-dihydropyrazol-3-ylidene)-1-methyl-quinoline-2,4-dione 269.30
6846683 C22H23N3O3 1-[2-(cyclohexen-1-yl)ethyl]-5-[(2-methyl-1H-indol-3-yl)methylene]hexahydropyrimidine-2,4,6-trione 1-[2-(cyclohexen-1-yl)ethyl]-5-[(2-methyl-1H-indol-3-yl)methylene]hexahydropyrimidine-2,4,6-trione 377.4
6846685 C24H24FN5OS N-cyclohexyl-2-[[4-(4-fluorophenyl)-5-indol-3-ylidene-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide N-cyclohexyl-2-[[4-(4-fluorophenyl)-5-indol-3-ylidene-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide 449.5
6846686 C18H13Cl2N3O3 5-[(3-chloro-4-methyl-anilino)methylene]-1-(3-chlorophenyl)hexahydropyrimidine-2,4,6-trione 5-[(3-chloro-4-methyl-anilino)methylene]-1-(3-chlorophenyl)hexahydropyrimidine-2,4,6-trione 390.2
6846687 C16H14N2O3 3-methoxy-6-[3-methyl-4-(2-pyridyl)-2H-isoxazol-5-ylidene]cyclohexa-2,4-dien-1-one 3-methoxy-6-[3-methyl-4-(2-pyridyl)-2H-isoxazol-5-ylidene]cyclohexa-2,4-dien-1-one 282.29
6846688 C14H11N5O8 4-[1-[2-(2,4-dinitrophenyl)hydrazino]ethylidene]-5-hydroxy-2-nitro-cyclohexa-2,5-dien-1-one 4-[1-[2-(2,4-dinitrophenyl)hydrazino]ethylidene]-5-hydroxy-2-nitro-cyclohexa-2,5-dien-1-one 377.27
6846689 C24H17N3O3S [3-(3H-1,3-benzothiazol-2-ylidene)-3-cyano-2-oxo-propyl] 2,3-dihydro-1H-cyclopenta[b]quinoline-9-carboxylate [3-(3H-1,3-benzothiazol-2-ylidene)-3-cyano-2-oxo-propyl] 2,3-dihydro-1H-cyclopenta[b]quinoline-9-carboxylate 427.5
6846690 C25H19F2N6O3+ 4-fluoro-N-[4-[1-[2-(3-fluoro-4-methyl-anilino)-2-oxo-ethyl]benzimidazol-1-ium-2-ylidene]-1,2,5-oxadiazol-3-yl]benzamide 4-fluoro-N-[4-[1-[2-(3-fluoro-4-methyl-anilino)-2-oxo-ethyl]benzimidazol-1-ium-2-ylidene]-1,2,5-oxadiazol-3-yl]benzamide 489.5
6846691 C21H20N6O2S 1-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)-3-[(1-methyl-2-oxo-indolin-3-ylidene)amino]thiourea 1-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)-3-[(1-methyl-2-oxo-indolin-3-ylidene)amino]thiourea 420.5
6846692 C29H28N2O4S ethyl 2-[4-[(2,4-dimethylanilino)methylene]-1,3-dioxo-2-isoquinolyl]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate ethyl 2-[4-[(2,4-dimethylanilino)methylene]-1,3-dioxo-2-isoquinolyl]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate 500.6
6846693 C18H11N3O6 4-methyl-8-[(4-nitrophenyl)hydrazono]furo[2,3-h]chromene-2,9-dione 4-methyl-8-[(4-nitrophenyl)hydrazono]furo[2,3-h]chromene-2,9-dione 365.3
6846694 C12H14ClN9O3 1-amino-3-[[2-(2-chlorophenyl)-4-(hydrazinecarbonylhydrazono)-5-imino-tetrahydrofuran-3-ylidene]amino]urea 1-amino-3-[[2-(2-chlorophenyl)-4-(hydrazinecarbonylhydrazono)-5-imino-tetrahydrofuran-3-ylidene]amino]urea 367.75
6846695 C22H16N6O6 3-[2-hydroxy-2-(4-nitrophenyl)-1-(2-phenylhydrazino)ethylidene]-7-nitro-quinoxalin-2-one 3-[2-hydroxy-2-(4-nitrophenyl)-1-(2-phenylhydrazino)ethylidene]-7-nitro-quinoxalin-2-one 460.4
6846697 C24H26N6O6 8-[2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-7-(2-hydroxy-3-phenoxy-propyl)-3-methyl-purine-2,6-dione 8-[2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-7-(2-hydroxy-3-phenoxy-propyl)-3-methyl-purine-2,6-dione 494.5
6846698 C15H14ClN3O2 2-(3-chloroanilino)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(3-chloroanilino)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 303.74
6846699 C21H23BrN4O3 N-[[5-bromo-1-(diethylaminomethyl)-2-oxo-indolin-3-ylidene]amino]-2-methoxy-benzamide N-[[5-bromo-1-(diethylaminomethyl)-2-oxo-indolin-3-ylidene]amino]-2-methoxy-benzamide 459.3
6846700 C26H26N4O3S N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[1-(p-tolylmethyl)benzimidazol-2-yl]sulfanyl-acetohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[1-(p-tolylmethyl)benzimidazol-2-yl]sulfanyl-acetohydrazide 474.6
6846701 C18H18N4O 4-[(2-benzylhydrazino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 4-[(2-benzylhydrazino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 306.4
6846702 C20H12Cl3N3O4 4-chloro-N-[2,4-dichloro-5-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 4-chloro-N-[2,4-dichloro-5-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 464.7
6846703 C22H21N3O6 2-(6-methoxy-2-naphthyl)-N'-[(3-methoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]propanehydrazide 2-(6-methoxy-2-naphthyl)-N'-[(3-methoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]propanehydrazide 423.4
6846704 C20H20N4O3 1-[[[1-methyl-5-(morpholine-4-carbonyl)pyrazol-4-yl]amino]methylene]naphthalen-2-one 1-[[[1-methyl-5-(morpholine-4-carbonyl)pyrazol-4-yl]amino]methylene]naphthalen-2-one 364.4
6846705 C11H13N5O3 4-[[2-(4-amino-1,2,5-oxadiazol-3-yl)hydrazino]methylene]-2-ethoxy-cyclohexa-2,5-dien-1-one 4-[[2-(4-amino-1,2,5-oxadiazol-3-yl)hydrazino]methylene]-2-ethoxy-cyclohexa-2,5-dien-1-one 263.25
6846706 C12H10BrN3O3 5-[(4-bromoanilino)methylene]-1-methyl-hexahydropyrimidine-2,4,6-trione 5-[(4-bromoanilino)methylene]-1-methyl-hexahydropyrimidine-2,4,6-trione 324.13
6846707 C15H10N2O5 6-[[(1,3-dihydroxyisoindol-2-yl)amino]methylene]cyclohex-4-ene-1,2,3-trione 6-[[(1,3-dihydroxyisoindol-2-yl)amino]methylene]cyclohex-4-ene-1,2,3-trione 298.25
6846708 C16H12ClN3O3 4-[[2-(7-chloro-4-quinolyl)hydrazino]methylene]-2,3-dihydroxy-cyclohexa-2,5-dien-1-one 4-[[2-(7-chloro-4-quinolyl)hydrazino]methylene]-2,3-dihydroxy-cyclohexa-2,5-dien-1-one 329.74
6846709 C20H22BrN3O 4-bromo-6-[[(1-hexylbenzimidazol-2-yl)amino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[(1-hexylbenzimidazol-2-yl)amino]methylene]cyclohexa-2,4-dien-1-one 400.3
6846710 C18H21N3O3 N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-methylanilino)propanehydrazide N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-methylanilino)propanehydrazide 327.4
6846711 C19H28N4O2S 5-[[(2-aminocyclohexyl)amino]methylene]-1-[2-(cyclohexen-1-yl)ethyl]-2-thioxo-hexahydropyrimidine-4,6-dione 5-[[(2-aminocyclohexyl)amino]methylene]-1-[2-(cyclohexen-1-yl)ethyl]-2-thioxo-hexahydropyrimidine-4,6-dione 376.5
6846712 C15H13N3O5 N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(4-nitrophenyl)acetohydrazide N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(4-nitrophenyl)acetohydrazide 315.28
6846713 C16H11IN2O3 N'-[(3-iodo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzofuran-2-carbohydrazide N'-[(3-iodo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzofuran-2-carbohydrazide 406.17
6846714 C19H15BrN2O3 N-[4-[(5-bromo-3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]furan-2-carboxamide N-[4-[(5-bromo-3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]furan-2-carboxamide 399.2
6846715 C23H15N3O2 2-[(2-oxoindol-3-yl)methylene]-3-phenyl-1H-quinazolin-4-one 2-[(2-oxoindol-3-yl)methylene]-3-phenyl-1H-quinazolin-4-one 365.4
6846716 C25H24N2O7 methyl 2-hydroxy-4-[hydroxy-[2-methyl-4,6-dioxo-5-[(2-phenylhydrazino)methylene]cyclohex-2-en-1-ylidene]methoxy]-3,6-dimethyl-benzoate methyl 2-hydroxy-4-[hydroxy-[2-methyl-4,6-dioxo-5-[(2-phenylhydrazino)methylene]cyclohex-2-en-1-ylidene]methoxy]-3,6-dimethyl-benzoate 464.5
6846717 C21H19N3O3 N-(1-naphthyl)-4-oxo-4-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]butanamide N-(1-naphthyl)-4-oxo-4-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]butanamide 361.4
6846718 C16H13BrN2O4 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide 377.19
6846719 C16H14N4O5 N-[2-[2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide N-[2-[2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 342.31
6846720 C25H22N4O2 3-hydroxy-2-methyl-4-[[2-[4-phenyl-6-(p-tolyl)pyrimidin-2-yl]hydrazino]methylene]cyclohexa-2,5-dien-1-one 3-hydroxy-2-methyl-4-[[2-[4-phenyl-6-(p-tolyl)pyrimidin-2-yl]hydrazino]methylene]cyclohexa-2,5-dien-1-one 410.5
6846721 C15H18N4O4 1-(4-ethylphenyl)-5-[[2-(2-hydroxyethyl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 1-(4-ethylphenyl)-5-[[2-(2-hydroxyethyl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 318.33
6846722 C16H16BrN3OS 1-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2,3-dimethylphenyl)thiourea 1-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2,3-dimethylphenyl)thiourea 378.3
6846723 C21H20N4O5 N-[2-[2-(1-ethyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]-2,3-dihydro-1,4-benzodioxine-3-carboxamide N-[2-[2-(1-ethyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]-2,3-dihydro-1,4-benzodioxine-3-carboxamide 408.4

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.