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 6,392,901 - 6,392,950 of 6,571,471
Page 127859 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6807814 C22H20N2O4 N'-[(2-hydroxy-6-methyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(4-phenylphenoxy)acetohydrazide N'-[(2-hydroxy-6-methyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(4-phenylphenoxy)acetohydrazide 376.4
6807815 C8H6Br2N6O 2,4-dibromo-6-[[2-(2H-tetrazol-5-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[2-(2H-tetrazol-5-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 361.98
6807816 C17H16N2O5S methyl 2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate methyl 2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate 360.4
6807817 C16H24N4O3 1-allyl-5-[1-[2-(1-piperidyl)ethylamino]ethylidene]hexahydropyrimidine-2,4,6-trione 1-allyl-5-[1-[2-(1-piperidyl)ethylamino]ethylidene]hexahydropyrimidine-2,4,6-trione 320.39
6807818 C15H18N6O4 2-[1-[1-(4-methoxyphenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]propylamino]guanidine 2-[1-[1-(4-methoxyphenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]propylamino]guanidine 346.34
6807819 C19H20N2O4 1-[2-(cyclohexen-1-yl)ethyl]-5-[(4-hydroxyphenyl)methylene]hexahydropyrimidine-2,4,6-trione 1-[2-(cyclohexen-1-yl)ethyl]-5-[(4-hydroxyphenyl)methylene]hexahydropyrimidine-2,4,6-trione 340.4
6807820 C24H22BrNO3S 3-[4-(4-bromophenyl)-3H-thiazol-2-ylidene]-6-hexyl-chromene-2,7-dione 3-[4-(4-bromophenyl)-3H-thiazol-2-ylidene]-6-hexyl-chromene-2,7-dione 484.4
6807821 C16H15N3O3 N-(o-tolyl)-2-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]acetamide N-(o-tolyl)-2-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]acetamide 297.31
6807822 C12H11I2N5O2S N'-[(3,5-diiodo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]acetohydrazide N'-[(3,5-diiodo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]acetohydrazide 543.12
6807823 C11H9Br2N5O2 5-[2-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-6-methyl-2H-1,2,4-triazin-3-one 5-[2-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-6-methyl-2H-1,2,4-triazin-3-one 403.03
6807824 C25H20BrN3O4 N-[[5-bromo-2-oxo-1-(2-phenylethyl)indolin-3-ylidene]amino]-2,3-dihydro-1,4-benzodioxine-3-carboxamide N-[[5-bromo-2-oxo-1-(2-phenylethyl)indolin-3-ylidene]amino]-2,3-dihydro-1,4-benzodioxine-3-carboxamide 506.3
6807825 C20H19ClN4O3S3 2-[[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]sulfanyl]-N'-[1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]acetohydrazide 2-[[5-[(2-chlorophenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]sulfanyl]-N'-[1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]acetohydrazide 495.0
6807826 C18H12Cl3N3O3 8-[[2-(2,4,6-trichlorophenyl)hydrazino]methylene]-2,3-dihydro-[1,4]dioxino[2,3-g]quinolin-7-one 8-[[2-(2,4,6-trichlorophenyl)hydrazino]methylene]-2,3-dihydro-[1,4]dioxino[2,3-g]quinolin-7-one 424.7
6807827 C20H24CoN3O2- bis[3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]propyl]azanide;cobalt bis[3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]propyl]azanide;cobalt 397.4
6807828 C20H25N3O2 6-[[3-[3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]propylamino]propylamino]methylene]cyclohexa-2,4-dien-1-one 6-[[3-[3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]propylamino]propylamino]methylene]cyclohexa-2,4-dien-1-one 339.4
6807829 C17H12N2O2S2 3-(2-furylmethyl)-5-(1H-indol-3-ylmethylene)-2-thioxo-thiazolidin-4-one 3-(2-furylmethyl)-5-(1H-indol-3-ylmethylene)-2-thioxo-thiazolidin-4-one 340.4
6807830 C10H14N4O5 2-[4-[hydroxy(methoxy)methylene]-5-oxo-imidazol-1-yl]-N,N'-dimethyl-propanediamide 2-[4-[hydroxy(methoxy)methylene]-5-oxo-imidazol-1-yl]-N,N'-dimethyl-propanediamide 270.24
6807831 C23H18Cl2N2O3 2,2-bis(4-chlorophenyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]cyclopropanecarbohydrazide 2,2-bis(4-chlorophenyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]cyclopropanecarbohydrazide 441.3
6807832 C12H12N2O2S 3-amino-2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-sulfanyl-prop-2-enenitrile 3-amino-2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-sulfanyl-prop-2-enenitrile 248.30
6807833 C23H19N3O4 3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-(phenoxymethyl)quinazolin-4-one 3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-(phenoxymethyl)quinazolin-4-one 401.4
6807834 C13H13N5OS [5-(3,5-dimethylpyrrol-2-ylidene)-1H-pyrazol-2-yl]-(4-methylthiadiazol-5-yl)methanone [5-(3,5-dimethylpyrrol-2-ylidene)-1H-pyrazol-2-yl]-(4-methylthiadiazol-5-yl)methanone 287.34
6807835 C22H25N3O4 4-[2-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-N-(4-ethoxyphenyl)-4-oxo-butanamide 4-[2-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-N-(4-ethoxyphenyl)-4-oxo-butanamide 395.5
6807836 C19H22N2O2S N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-[(2,4,6-trimethylphenyl)methylsulfanyl]acetohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-[(2,4,6-trimethylphenyl)methylsulfanyl]acetohydrazide 342.5
6807837 C14H17N3O4 1-tert-butyl-5-[(2-furylmethylamino)methylene]hexahydropyrimidine-2,4,6-trione 1-tert-butyl-5-[(2-furylmethylamino)methylene]hexahydropyrimidine-2,4,6-trione 291.30
6807838 C18H16N4O3S 5-[(3-aminoanilino)methylene]-1-(2-methoxyphenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 5-[(3-aminoanilino)methylene]-1-(2-methoxyphenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 368.4
6807839 C15H22N4O3 1-allyl-5-[1-(azepan-1-ylamino)ethylidene]hexahydropyrimidine-2,4,6-trione 1-allyl-5-[1-(azepan-1-ylamino)ethylidene]hexahydropyrimidine-2,4,6-trione 306.36
6807840 C18H19N3O2 6-[4-(3-methoxypropylamino)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(3-methoxypropylamino)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 309.4
6807841 C28H28N4O6 4-[2-[2-[[1-(4-isopropylphenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]methyl]-1H-indol-3-yl]ethylamino]-4-oxo-butanoic acid 4-[2-[2-[[1-(4-isopropylphenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]methyl]-1H-indol-3-yl]ethylamino]-4-oxo-butanoic acid 516.5
6807842 C20H20N2O5S 1-(1,1-dioxothiolan-3-yl)-5-[(4-hydroxy-3,5-dimethyl-phenyl)methylene]-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 1-(1,1-dioxothiolan-3-yl)-5-[(4-hydroxy-3,5-dimethyl-phenyl)methylene]-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 400.4
6807843 C22H21N9O3 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(indolin-1-ylmethyl)-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(indolin-1-ylmethyl)-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]triazole-4-carbohydrazide 459.5
6807844 C19H16ClN3O4 1-[(2-chlorophenyl)methyl]-5-[(3-methoxyanilino)methylene]hexahydropyrimidine-2,4,6-trione 1-[(2-chlorophenyl)methyl]-5-[(3-methoxyanilino)methylene]hexahydropyrimidine-2,4,6-trione 385.8
6807845 C18H16FN3O3S 5-[(4-fluorophenyl)methyl]-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]thiazol-4-one 5-[(4-fluorophenyl)methyl]-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]thiazol-4-one 373.4
6807846 C23H26N4O3 N-[[1-(azepan-1-ylmethyl)-2-oxo-indolin-3-ylidene]amino]-2-methoxy-benzamide N-[[1-(azepan-1-ylmethyl)-2-oxo-indolin-3-ylidene]amino]-2-methoxy-benzamide 406.5
6807847 C17H17ClN4O4 N'-[1-(1-allyl-2,4,6-trioxo-hexahydropyrimidin-5-ylidene)propyl]-2-chloro-benzohydrazide N'-[1-(1-allyl-2,4,6-trioxo-hexahydropyrimidin-5-ylidene)propyl]-2-chloro-benzohydrazide 376.8
6807848 C19H15ClF3N3O5S 4-[4-[(3-chloro-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-oxo-5-(trifluoromethyl)-1H-pyrazol-2-yl]benzenesulfonamide 4-[4-[(3-chloro-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-oxo-5-(trifluoromethyl)-1H-pyrazol-2-yl]benzenesulfonamide 489.9
6807849 C21H22N4O5 1-[2-(3,4-dimethoxyphenyl)ethyl]-5-[(3-pyridylmethylamino)methylene]hexahydropyrimidine-2,4,6-trione 1-[2-(3,4-dimethoxyphenyl)ethyl]-5-[(3-pyridylmethylamino)methylene]hexahydropyrimidine-2,4,6-trione 410.4
6807851 C15H12N4O6S 6-[[2-(1,1-dioxo-1,2-benzothiazol-3-yl)hydrazino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 6-[[2-(1,1-dioxo-1,2-benzothiazol-3-yl)hydrazino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 376.3
6807852 C19H15F3N4O3 5-methyl-2-(4-nitrophenyl)-4-[[[3-(trifluoromethyl)phenyl]methylamino]methylene]pyrazol-3-one 5-methyl-2-(4-nitrophenyl)-4-[[[3-(trifluoromethyl)phenyl]methylamino]methylene]pyrazol-3-one 404.3
6807853 C17H16ClN3O2 1-(4-chlorophenyl)-3-methoxyimino-2-(p-tolylhydrazono)propan-1-one 1-(4-chlorophenyl)-3-methoxyimino-2-(p-tolylhydrazono)propan-1-one 329.8
6807854 C22H18FN3O3 2-fluoro-N-[2-[[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethylamino]carbamoyl]phenyl]benzamide 2-fluoro-N-[2-[[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethylamino]carbamoyl]phenyl]benzamide 391.4
6807855 C14H13N3O5 N-[2-[2-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]furan-2-carboxamide N-[2-[2-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]furan-2-carboxamide 303.27
6807856 C10H9N3O3S 2-[[5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydro-1,2,4-triazol-3-yl]sulfanyl]acetic acid 2-[[5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydro-1,2,4-triazol-3-yl]sulfanyl]acetic acid 251.26
6807857 C26H20N4O2 6-methyl-N-[[1-(1-naphthylmethyl)-2-oxo-indolin-3-ylidene]amino]pyridine-3-carboxamide 6-methyl-N-[[1-(1-naphthylmethyl)-2-oxo-indolin-3-ylidene]amino]pyridine-3-carboxamide 420.5
6807859 C23H17BrN4O 6-[2-[2-[(4-bromophenyl)methylene]hydrazino]-4-phenyl-1H-pyrimidin-6-ylidene]cyclohexa-2,4-dien-1-one 6-[2-[2-[(4-bromophenyl)methylene]hydrazino]-4-phenyl-1H-pyrimidin-6-ylidene]cyclohexa-2,4-dien-1-one 445.3
6807860 C17H15ClN4O3 2-[4-[4-(4-chlorophenyl)-1,2-dihydropyrazol-3-ylidene]-3-oxo-cyclohexa-1,5-dien-1-yl]oxyacetohydrazide 2-[4-[4-(4-chlorophenyl)-1,2-dihydropyrazol-3-ylidene]-3-oxo-cyclohexa-1,5-dien-1-yl]oxyacetohydrazide 358.8
6807861 C14H19N3O4 N,N-diethyl-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-acetamide N,N-diethyl-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-acetamide 293.32
6807862 C18H18ClN3O4 4-[2-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-N-(4-methoxyphenyl)-4-oxo-butanamide 4-[2-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-N-(4-methoxyphenyl)-4-oxo-butanamide 375.8
6807863 C7H10N3O6P 2-[(2,6-dioxopyrimidin-5-ylidene)methylamino]oxyethylphosphonic acid 2-[(2,6-dioxopyrimidin-5-ylidene)methylamino]oxyethylphosphonic acid 263.14
6807864 C16H11N3O7S 4-hydroxy-3-[2-(8-oxo-5-sulfo-7-quinolylidene)hydrazino]benzoic acid 4-hydroxy-3-[2-(8-oxo-5-sulfo-7-quinolylidene)hydrazino]benzoic acid 389.3
6807865 C19H13Cl2NO3S 6-[[3-chloro-4-(4-chlorophenyl)sulfonyl-anilino]methylene]cyclohexa-2,4-dien-1-one 6-[[3-chloro-4-(4-chlorophenyl)sulfonyl-anilino]methylene]cyclohexa-2,4-dien-1-one 406.3

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.