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 6,389,901 - 6,389,950 of 6,571,471
Page 127799 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6804760 C19H17N3O3 N-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-2-hydroxy-2-phenyl-acetamide N-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-2-hydroxy-2-phenyl-acetamide 335.4
6804761 C14H13ClN2O3 3-[1-[2-(4-chlorophenyl)hydrazino]ethylidene]-6-methyl-pyran-2,4-dione 3-[1-[2-(4-chlorophenyl)hydrazino]ethylidene]-6-methyl-pyran-2,4-dione 292.72
6804762 C18H18BrN3O4 N-[2-[2-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-2-(4-methoxyphenyl)acetamide N-[2-[2-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-2-(4-methoxyphenyl)acetamide 420.3
6804763 C21H25BrN2O4 N'-[(3-bromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-(4-methoxy-2-methyl-phenyl)butanehydrazide N'-[(3-bromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-(4-methoxy-2-methyl-phenyl)butanehydrazide 449.3
6804764 C23H27Br2N3O3 4,5-dibromo-6-[[4-(4-butanoylpiperazin-1-yl)anilino]methylene]-2-ethoxy-cyclohexa-2,4-dien-1-one 4,5-dibromo-6-[[4-(4-butanoylpiperazin-1-yl)anilino]methylene]-2-ethoxy-cyclohexa-2,4-dien-1-one 553.3
6804765 C22H24N4O4 4-[(isopentylamino)methylene]-5-(4-methoxyphenyl)-2-(4-nitrophenyl)pyrazol-3-one 4-[(isopentylamino)methylene]-5-(4-methoxyphenyl)-2-(4-nitrophenyl)pyrazol-3-one 408.4
6804766 C24H19ClN4O2S N-[amino-[3-[(4-chlorophenyl)sulfanylmethyl]-5-oxo-1-phenyl-pyrazol-4-ylidene]methyl]benzamide N-[amino-[3-[(4-chlorophenyl)sulfanylmethyl]-5-oxo-1-phenyl-pyrazol-4-ylidene]methyl]benzamide 463.0
6804767 C19H20N4O3S N'-[1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]-2-(1-methylbenzimidazol-2-yl)sulfanyl-acetohydrazide N'-[1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]-2-(1-methylbenzimidazol-2-yl)sulfanyl-acetohydrazide 384.5
6804768 C7H15N2O2+ (3-hydroxyimino-2-oxo-butyl)-trimethyl-ammonium (3-hydroxyimino-2-oxo-butyl)-trimethyl-ammonium 159.21
6804769 C17H10Br2N4O2 8-bromo-3-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-5H-pyrimido[5,4-b]indol-4-one 8-bromo-3-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-5H-pyrimido[5,4-b]indol-4-one 462.1
6804770 C14H15N7O3 8-[(4-methoxyanilino)hydrazono]-1,3-dimethyl-purine-2,6-dione 8-[(4-methoxyanilino)hydrazono]-1,3-dimethyl-purine-2,6-dione 329.31
6804771 C23H22N4O6 methyl 2-[3-[[2-[3-(2-methoxyphenyl)prop-2-enoylamino]acetyl]hydrazono]-2-oxo-indolin-1-yl]acetate methyl 2-[3-[[2-[3-(2-methoxyphenyl)prop-2-enoylamino]acetyl]hydrazono]-2-oxo-indolin-1-yl]acetate 450.4
6804772 C20H17ClN4O2 3-chloro-N-[[1-(3-cyanopropyl)-2-oxo-indolin-3-ylidene]amino]-4-methyl-benzamide 3-chloro-N-[[1-(3-cyanopropyl)-2-oxo-indolin-3-ylidene]amino]-4-methyl-benzamide 380.8
6804773 C12H15IN2O3 tert-butyl N-[(3-iodo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamate tert-butyl N-[(3-iodo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamate 362.16
6804774 C14H12N4O2S 2-[[4,6-dioxo-1-(p-tolyl)-2-thioxo-hexahydropyrimidin-5-ylidene]methylamino]acetonitrile 2-[[4,6-dioxo-1-(p-tolyl)-2-thioxo-hexahydropyrimidin-5-ylidene]methylamino]acetonitrile 300.34
6804775 C27H20N2O3 2-methoxy-6-[4-(4-phenylphenoxy)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[4-(4-phenylphenoxy)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 420.5
6804777 C18H20N2O3 2-(2,4-dimethylphenoxy)-N'-[(5-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(2,4-dimethylphenoxy)-N'-[(5-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 312.4
6804778 C17H13BrN4O 6-[7-(4-bromophenyl)-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-5-ylidene]cyclohexa-2,4-dien-1-one 6-[7-(4-bromophenyl)-6,7-dihydro-1H-[1,2,4]triazolo[1,5-a]pyrimidin-5-ylidene]cyclohexa-2,4-dien-1-one 369.2
6804779 C16H12N2O3 4-methyl-6-(phenylhydrazono)chromene-2,7-dione 4-methyl-6-(phenylhydrazono)chromene-2,7-dione 280.28
6804780 C26H24N4O3 N-[2-(dimethylamino)phenyl]-4-[(2-methoxyphenyl)hydrazono]-1-oxo-naphthalene-2-carboxamide N-[2-(dimethylamino)phenyl]-4-[(2-methoxyphenyl)hydrazono]-1-oxo-naphthalene-2-carboxamide 440.5
6804781 C18H18BrN3O5 N'-[(3-bromo-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,3,6-trimethylphenoxy)acetohydrazide N'-[(3-bromo-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,3,6-trimethylphenoxy)acetohydrazide 436.3
6804782 C24H23N3O2S 6-benzyl-2-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carbonitrile 6-benzyl-2-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carbonitrile 417.5
6804783 C19H14ClN5O3 N-(2-chloroanilino)-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)amino]benzamidine N-(2-chloroanilino)-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)amino]benzamidine 395.8
6804784 C19H25N3O4 5-[1-(hexylamino)ethylidene]-1-(4-methoxyphenyl)hexahydropyrimidine-2,4,6-trione 5-[1-(hexylamino)ethylidene]-1-(4-methoxyphenyl)hexahydropyrimidine-2,4,6-trione 359.4
6804785 C24H22N6O N-(cinnamylideneamino)-3-(3,5-dimethyl-1-phenyl-pyrazol-4-yl)-1H-pyrazole-5-carboxamide N-(cinnamylideneamino)-3-(3,5-dimethyl-1-phenyl-pyrazol-4-yl)-1H-pyrazole-5-carboxamide 410.5
6804786 C18H15F3N8O3 6-[[2-[4-(methylamino)-6-[3-(trifluoromethyl)anilino]-1,3,5-triazin-2-yl]hydrazino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 6-[[2-[4-(methylamino)-6-[3-(trifluoromethyl)anilino]-1,3,5-triazin-2-yl]hydrazino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 448.4
6804787 C26H22BrN5O2S 2-[[4-(4-bromophenyl)-5-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N-[3-(2-methoxyphenyl)prop-2-enylideneamino]acetamide 2-[[4-(4-bromophenyl)-5-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N-[3-(2-methoxyphenyl)prop-2-enylideneamino]acetamide 548.5
6804788 C18H13F3N4O3 1-benzyl-5-[[3-(trifluoromethyl)phenyl]hydrazono]hexahydropyrimidine-2,4,6-trione 1-benzyl-5-[[3-(trifluoromethyl)phenyl]hydrazono]hexahydropyrimidine-2,4,6-trione 390.3
6804789 C12H15Br2N3OS 1-tert-butyl-3-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 1-tert-butyl-3-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 409.14
6804790 C5H4N2O4S2 2-(5-hydroxyimino-4-oxo-2-thioxo-thiazolidin-3-yl)acetic acid 2-(5-hydroxyimino-4-oxo-2-thioxo-thiazolidin-3-yl)acetic acid 220.2
6804791 C20H17ClN4O5 methyl 2-[3-[[2-[(2-chlorobenzoyl)amino]acetyl]hydrazono]-2-oxo-indolin-1-yl]acetate methyl 2-[3-[[2-[(2-chlorobenzoyl)amino]acetyl]hydrazono]-2-oxo-indolin-1-yl]acetate 428.8
6804792 C31H24ClN3O2 N-[[1-[(2-chlorophenyl)methyl]-2-oxo-indolin-3-ylidene]amino]-2,2-diphenyl-cyclopropanecarboxamide N-[[1-[(2-chlorophenyl)methyl]-2-oxo-indolin-3-ylidene]amino]-2,2-diphenyl-cyclopropanecarboxamide 506.0
6804793 C17H16FN3O4 3-fluoro-N-[2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 3-fluoro-N-[2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 345.32
6804794 C13H12ClN3O3 1-(4-chlorophenyl)-5-(ethylaminomethylene)hexahydropyrimidine-2,4,6-trione 1-(4-chlorophenyl)-5-(ethylaminomethylene)hexahydropyrimidine-2,4,6-trione 293.70
6804795 C23H18Br2N2O3 4,5-dibromo-2-ethoxy-6-[[2-(5-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 4,5-dibromo-2-ethoxy-6-[[2-(5-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 530.2
6804796 C17H14N4O3S 3-[(1,1-dioxo-1,2-benzothiazol-3-yl)-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]amino]propanenitrile 3-[(1,1-dioxo-1,2-benzothiazol-3-yl)-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]amino]propanenitrile 354.4
6804797 C20H25N3O5S N-(2,6-dimethylphenyl)-N-[2-[2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]methanesulfonamide N-(2,6-dimethylphenyl)-N-[2-[2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]methanesulfonamide 419.5
6804798 C16H13Cl3N2O3 N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,4-dichlorophenoxy)propanehydrazide N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,4-dichlorophenoxy)propanehydrazide 387.6
6804799 C20H13N2O10S3- 7-oxo-3-sulfo-8-[(4-sulfo-1-naphthyl)hydrazono]naphthalene-1-sulfonate 7-oxo-3-sulfo-8-[(4-sulfo-1-naphthyl)hydrazono]naphthalene-1-sulfonate 537.5
6804800 C20H13N2O5S- 4-[(2-hydroxy-1-naphthyl)hydrazono]-3-oxo-naphthalene-1-sulfonate 4-[(2-hydroxy-1-naphthyl)hydrazono]-3-oxo-naphthalene-1-sulfonate 393.4
6804802 C18H12N6O2 3-hydroxy-4-(10-phenyl-3,4,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,7,11-tetraen-5-ylidene)cyclohexa-2,5-dien-1-one 3-hydroxy-4-(10-phenyl-3,4,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,7,11-tetraen-5-ylidene)cyclohexa-2,5-dien-1-one 344.3
6804803 C16H15ClN2O3 2-(3-chlorophenoxy)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide 2-(3-chlorophenoxy)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide 318.75
6804804 C18H22N4O4 N'-[1-(1-butyl-2,4,6-trioxo-hexahydropyrimidin-5-ylidene)propyl]benzohydrazide N'-[1-(1-butyl-2,4,6-trioxo-hexahydropyrimidin-5-ylidene)propyl]benzohydrazide 358.4
6804805 C18H23Cl2N3OS 1-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2,3,3-trimethylnorbornan-2-yl)thiourea 1-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2,3,3-trimethylnorbornan-2-yl)thiourea 400.4
6804806 C13H11N3O5 6-methyl-3-[[2-(3-nitrophenyl)hydrazino]methylene]pyran-2,4-dione 6-methyl-3-[[2-(3-nitrophenyl)hydrazino]methylene]pyran-2,4-dione 289.24
6804807 C15H10N6O5S 2,4-dinitro-6-[[(3-phenyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dinitro-6-[[(3-phenyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]cyclohexa-2,4-dien-1-one 386.3
6804808 C17H15BrN4O2 N-[(5-bromo-2-oxo-1-propyl-indolin-3-ylidene)amino]pyridine-4-carboxamide N-[(5-bromo-2-oxo-1-propyl-indolin-3-ylidene)amino]pyridine-4-carboxamide 387.2
6804809 C21H15FN4O2 4-[[2-[2-(2-fluorophenyl)quinazolin-4-yl]hydrazino]methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[[2-[2-(2-fluorophenyl)quinazolin-4-yl]hydrazino]methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 374.4
6804810 C22H16ClN5O3 N-[[1-[(2-chlorophenyl)methyl]-2-oxo-indolin-3-ylidene]amino]-6-(nitrosomethylene)-1H-pyridine-3-carboxamide N-[[1-[(2-chlorophenyl)methyl]-2-oxo-indolin-3-ylidene]amino]-6-(nitrosomethylene)-1H-pyridine-3-carboxamide 433.8
6804811 C24H25N3O5S N-[3-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-3-oxo-1-phenyl-propyl]-4-methyl-benzenesulfonamide N-[3-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-3-oxo-1-phenyl-propyl]-4-methyl-benzenesulfonamide 467.5

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.