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 6,380,201 - 6,380,250 of 6,571,471
Page 127605 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6794740 C14H13BrN2O 4-bromo-6-[(2,5-dimethylphenyl)hydrazono]cyclohexa-2,4-dien-1-one 4-bromo-6-[(2,5-dimethylphenyl)hydrazono]cyclohexa-2,4-dien-1-one 305.17
6794741 C13H10BrN3O4 4-bromo-6-[(2-methoxy-5-nitro-phenyl)hydrazono]cyclohexa-2,4-dien-1-one 4-bromo-6-[(2-methoxy-5-nitro-phenyl)hydrazono]cyclohexa-2,4-dien-1-one 352.14
6794742 C20H23N5O2 N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-2-methyl-imidazo[1,2-a]pyridine-3-carbohydrazide N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-2-methyl-imidazo[1,2-a]pyridine-3-carbohydrazide 365.4
6794743 C20H13N3O4S 2-[(1,3-dioxo-2-thiazol-2-yl-4-isoquinolylidene)methylamino]benzoic acid 2-[(1,3-dioxo-2-thiazol-2-yl-4-isoquinolylidene)methylamino]benzoic acid 391.4
6794744 C19H16ClIN4O5 N'-[1-(7-chloro-3-oxo-quinoxalin-2-ylidene)-2,3,4-trihydroxy-butyl]-2-iodo-benzohydrazide N'-[1-(7-chloro-3-oxo-quinoxalin-2-ylidene)-2,3,4-trihydroxy-butyl]-2-iodo-benzohydrazide 542.7
6794745 C16H16N6O2 N1',N2'-bis[(4-oxocyclohexa-2,5-dien-1-ylidene)methylamino]oxalamidine N1',N2'-bis[(4-oxocyclohexa-2,5-dien-1-ylidene)methylamino]oxalamidine 324.34
6794746 C23H23N3O4 ethyl 4-[(3-imidazol-1-ylpropylamino)methylene]-2-methyl-5-oxo-benzo[g]benzofuran-3-carboxylate ethyl 4-[(3-imidazol-1-ylpropylamino)methylene]-2-methyl-5-oxo-benzo[g]benzofuran-3-carboxylate 405.4
6794747 C16H15N3O3 N-cyclopropyl-2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]acetamide N-cyclopropyl-2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]acetamide 297.31
6794748 C16H13N3OSe 6-[[2-(4-phenyl-1,3-selenazol-2-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-(4-phenyl-1,3-selenazol-2-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 342.3
6794749 C20H16BrN3O2 5-[(5-bromo-1H-indol-3-yl)methylene]-3-(m-tolylmethyl)imidazolidine-2,4-dione 5-[(5-bromo-1H-indol-3-yl)methylene]-3-(m-tolylmethyl)imidazolidine-2,4-dione 410.3
6794750 C16H15N3O6 2-methoxy-N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 2-methoxy-N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 345.31
6794751 C15H13ClN2O4 N'-[(3-chloro-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-benzohydrazide N'-[(3-chloro-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-benzohydrazide 320.73
6794752 C17H16Br2N2O4 N'-[(3,5-dibromo-4-hydroxy-2-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2-methylphenoxy)acetohydrazide N'-[(3,5-dibromo-4-hydroxy-2-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2-methylphenoxy)acetohydrazide 472.1
6794753 C25H19BrN4O2 2-(4-bromophenyl)-N-[[3-(1-naphthylhydrazono)-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]acetamide 2-(4-bromophenyl)-N-[[3-(1-naphthylhydrazono)-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]acetamide 487.3
6794754 C22H20N4O7 N2',N5'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2,5-dicarbohydrazide N2',N5'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]furan-2,5-dicarbohydrazide 452.4
6794755 C19H25N5O3 1-(3,4-dimethylphenyl)-5-[(2-piperazin-1-ylethylamino)methylene]hexahydropyrimidine-2,4,6-trione 1-(3,4-dimethylphenyl)-5-[(2-piperazin-1-ylethylamino)methylene]hexahydropyrimidine-2,4,6-trione 371.4
6794756 C21H21FN4O2S 5-[[4-(diethylamino)anilino]methylene]-1-(4-fluorophenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 5-[[4-(diethylamino)anilino]methylene]-1-(4-fluorophenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 412.5
6794757 C21H20N4O4 3-(4-methoxyphenyl)-N-[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]prop-2-enamide 3-(4-methoxyphenyl)-N-[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]prop-2-enamide 392.4
6794758 C25H23N3O3S N-[[3-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-5-methyl-4-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]-2-methyl-benzamide N-[[3-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-5-methyl-4-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]-2-methyl-benzamide 445.5
6794759 C24H24N6O4S 2-[[5-indol-3-ylidene-4-(tetrahydrofuran-2-ylmethyl)-1H-1,2,4-triazol-3-yl]sulfanyl]-N-(4-methyl-3-nitro-phenyl)acetamide 2-[[5-indol-3-ylidene-4-(tetrahydrofuran-2-ylmethyl)-1H-1,2,4-triazol-3-yl]sulfanyl]-N-(4-methyl-3-nitro-phenyl)acetamide 492.6
6794760 C16H13ClN4O4S N-[[4-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]carbamothioyl]acetamide N-[[4-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]carbamothioyl]acetamide 392.8
6794761 C22H20N4O6S 3-acetamido-5-[[1-(4-ethoxyphenyl)-4,6-dioxo-2-thioxo-hexahydropyrimidin-5-ylidene]methylamino]benzoic acid 3-acetamido-5-[[1-(4-ethoxyphenyl)-4,6-dioxo-2-thioxo-hexahydropyrimidin-5-ylidene]methylamino]benzoic acid 468.5
6794762 C16H11N3O5 N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzofuran-2-carbohydrazide N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzofuran-2-carbohydrazide 325.27
6794763 C20H20N2O4 3-[1-(2,3-dihydroxypropylamino)ethylidene]-1-phenyl-quinoline-2,4-dione 3-[1-(2,3-dihydroxypropylamino)ethylidene]-1-phenyl-quinoline-2,4-dione 352.4
6794764 C20H18N8O4S 1-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-5-(p-tolylsulfanylmethyl)triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-5-(p-tolylsulfanylmethyl)triazole-4-carbohydrazide 466.5
6794765 C24H17Cl2FN4O3 N-[2-[2-[1-[(3,4-dichlorophenyl)methyl]-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]-4-fluoro-benzamide N-[2-[2-[1-[(3,4-dichlorophenyl)methyl]-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]-4-fluoro-benzamide 499.3
6794766 C25H31N3O2 N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-7-phenyl-norpinane-6-carbohydrazide N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-7-phenyl-norpinane-6-carbohydrazide 405.5
6794767 C16H14Br2N2O4 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-bromophenoxy)acetohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-bromophenoxy)acetohydrazide 458.10
6794768 C15H17ClN6O3 4-chloro-6-[[2-(4-methoxy-6-morpholino-1,3,5-triazin-2-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 4-chloro-6-[[2-(4-methoxy-6-morpholino-1,3,5-triazin-2-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 364.79
6794769 C25H24N4O3S N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[1-(p-tolylmethyl)benzimidazol-2-yl]sulfanyl-acetohydrazide N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[1-(p-tolylmethyl)benzimidazol-2-yl]sulfanyl-acetohydrazide 460.5
6794770 C20H17BrN2O3S N'-[(2-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(1-naphthylsulfanyl)acetohydrazide N'-[(2-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(1-naphthylsulfanyl)acetohydrazide 445.3
6794771 C22H24N2O6 bis[1-(6-oxocyclohexa-2,4-dien-1-ylidene)propylamino] butanedioate bis[1-(6-oxocyclohexa-2,4-dien-1-ylidene)propylamino] butanedioate 412.4
6794772 C23H17BrN4O5 3-[(5-bromo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-[(2-methylphenoxy)methyl]quinazolin-4-one 3-[(5-bromo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-[(2-methylphenoxy)methyl]quinazolin-4-one 509.3
6794773 C22H17Br3N2O3 2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]oxy-N-(2-bromophenyl)-N-[(2-bromophenyl)methyl]acetamide 2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]oxy-N-(2-bromophenyl)-N-[(2-bromophenyl)methyl]acetamide 597.1
6794774 C14H15N3O3 ethyl 5-methyl-3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-1H-pyrazole-4-carboxylate ethyl 5-methyl-3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-1H-pyrazole-4-carboxylate 273.29
6794775 C19H13N3O3S2 4-hydroxy-N-[5-(1H-indol-3-ylmethylene)-4-oxo-2-thioxo-thiazolidin-3-yl]benzamide 4-hydroxy-N-[5-(1H-indol-3-ylmethylene)-4-oxo-2-thioxo-thiazolidin-3-yl]benzamide 395.5
6794776 C15H15NO2 2-hydroxy-6-[(1-phenylethylamino)methylene]cyclohexa-2,4-dien-1-one 2-hydroxy-6-[(1-phenylethylamino)methylene]cyclohexa-2,4-dien-1-one 241.28
6794777 C18H18ClN3O4 N-(3-chlorophenyl)-4-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-butanamide N-(3-chlorophenyl)-4-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-butanamide 375.8
6794778 C19H17N5O5 N'-[[3-(3,4-dimethoxyphenyl)pyrazol-4-ylidene]methyl]-4-nitro-benzohydrazide N'-[[3-(3,4-dimethoxyphenyl)pyrazol-4-ylidene]methyl]-4-nitro-benzohydrazide 395.4
6794779 C35H28N6O13S3 7-[[6-[(2-methoxyphenyl)hydrazono]-5-oxo-7-sulfo-2-naphthyl]carbamoylamino]-3-[(2-methyl-4-sulfo-phenyl)hydrazono]-4-oxo-naphthalene-2-sulfonic acid 7-[[6-[(2-methoxyphenyl)hydrazono]-5-oxo-7-sulfo-2-naphthyl]carbamoylamino]-3-[(2-methyl-4-sulfo-phenyl)hydrazono]-4-oxo-naphthalene-2-sulfonic acid 836.8
6794781 C31H29N5O7 2-[2-[(3,4-dimethoxyphenyl)methyl]benzimidazol-1-yl]-N'-[(3-nitro-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]acetohydrazide 2-[2-[(3,4-dimethoxyphenyl)methyl]benzimidazol-1-yl]-N'-[(3-nitro-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]acetohydrazide 583.6
6794782 C15H9BrN2O3 2-bromo-6-[(3-ethynylanilino)methylene]-4-nitro-cyclohexa-2,4-dien-1-one 2-bromo-6-[(3-ethynylanilino)methylene]-4-nitro-cyclohexa-2,4-dien-1-one 345.15
6794783 C18H13N4O5- 2-[[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-acetyl]amino]benzoate 2-[[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-acetyl]amino]benzoate 365.3
6794784 C18H14N4O5 2-[[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-acetyl]amino]benzoic acid 2-[[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-acetyl]amino]benzoic acid 366.3
6794785 C26H20N5O6- 4-[[2-[2-[1-[2-(3-methylanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-acetyl]amino]benzoate 4-[[2-[2-[1-[2-(3-methylanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-acetyl]amino]benzoate 498.5
6794786 C26H21N5O6 4-[[2-[2-[1-[2-(3-methylanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-acetyl]amino]benzoic acid 4-[[2-[2-[1-[2-(3-methylanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-acetyl]amino]benzoic acid 499.5
6794787 C48H55N5O13 [2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-26-[[2-(6-phenoxy-1,2-dihydropyridazin-3-yl)hydrazino]methylene]-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,24-heptaen-13-yl] acetate [2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-26-[[2-(6-phenoxy-1,2-dihydropyridazin-3-yl)hydrazino]methylene]-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,24-heptaen-13-yl] acetate 910.0
6794788 C13H8N3O5- 3-[(3-nitrophenyl)hydrazono]-6-oxo-cyclohexa-1,4-diene-1-carboxylate 3-[(3-nitrophenyl)hydrazono]-6-oxo-cyclohexa-1,4-diene-1-carboxylate 286.22
6794789 C15H12N2O2 4-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-2,3-dihydrophthalazin-1-one 4-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-2,3-dihydrophthalazin-1-one 252.27
6794790 C22H13N3O5S [3-(3H-1,3-benzothiazol-2-ylidene)-3-cyano-2-oxo-propyl] 3-(1,3-benzodioxol-5-yl)-2-cyano-prop-2-enoate [3-(3H-1,3-benzothiazol-2-ylidene)-3-cyano-2-oxo-propyl] 3-(1,3-benzodioxol-5-yl)-2-cyano-prop-2-enoate 431.4

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.