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 6,402,051 - 6,402,100 of 6,571,471
Page 128042 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6817209 C23H19N3O2 6-[5-[2-(3-methoxyphenyl)vinyl]-2-phenyl-1H-1,2,4-triazol-3-ylidene]cyclohexa-2,4-dien-1-one 6-[5-[2-(3-methoxyphenyl)vinyl]-2-phenyl-1H-1,2,4-triazol-3-ylidene]cyclohexa-2,4-dien-1-one 369.4
6817210 C22H25BrClN3O 2-bromo-4-chloro-6-[[(1-octylbenzimidazol-2-yl)amino]methylene]cyclohexa-2,4-dien-1-one 2-bromo-4-chloro-6-[[(1-octylbenzimidazol-2-yl)amino]methylene]cyclohexa-2,4-dien-1-one 462.8
6817211 C20H16F3N3O2 N'-[(2-oxo-1-naphthylidene)methyl]-2-[3-(trifluoromethyl)anilino]acetohydrazide N'-[(2-oxo-1-naphthylidene)methyl]-2-[3-(trifluoromethyl)anilino]acetohydrazide 387.4
6817212 C22H26N4O3S N,N-diethyl-4-[[3-methyl-5-oxo-1-(p-tolyl)pyrazol-4-ylidene]methylamino]benzenesulfonamide N,N-diethyl-4-[[3-methyl-5-oxo-1-(p-tolyl)pyrazol-4-ylidene]methylamino]benzenesulfonamide 426.5
6817213 C16H13N5O2 4-[[(5-phenyl-1,2-dihydro-1,2,4-triazin-3-yl)hydrazono]methyl]-1,2-benzoquinone 4-[[(5-phenyl-1,2-dihydro-1,2,4-triazin-3-yl)hydrazono]methyl]-1,2-benzoquinone 307.31
6817214 C18H20ClN3O2S 4-chloro-N-[7-(ethoxyamino)-5,5-dimethyl-4,6-dihydro-1,3-benzothiazol-2-ylidene]benzamide 4-chloro-N-[7-(ethoxyamino)-5,5-dimethyl-4,6-dihydro-1,3-benzothiazol-2-ylidene]benzamide 377.9
6817215 C22H20ClNO3 4-[(2-chlorophenyl)methyl]-6-[(2,5-dimethoxyanilino)methylene]cyclohexa-2,4-dien-1-one 4-[(2-chlorophenyl)methyl]-6-[(2,5-dimethoxyanilino)methylene]cyclohexa-2,4-dien-1-one 381.8
6817216 C23H21ClN4O3 4-[6-chloro-4-[2-(4,6-dimethylpyrimidin-2-yl)hydrazino]-7-methyl-chromen-2-ylidene]-2-methoxy-cyclohexa-2,5-dien-1-one 4-[6-chloro-4-[2-(4,6-dimethylpyrimidin-2-yl)hydrazino]-7-methyl-chromen-2-ylidene]-2-methoxy-cyclohexa-2,5-dien-1-one 436.9
6817217 C11H16N2O3 3-[1-(ethoxyamino)ethylidene]-1,6-dimethyl-pyridine-2,4-dione 3-[1-(ethoxyamino)ethylidene]-1,6-dimethyl-pyridine-2,4-dione 224.26
6817218 C14H13BrN4O2 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]pyridine-2-carboxamidine N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]pyridine-2-carboxamidine 349.18
6817219 C19H18N6O3 3,4,5-trimethoxy-N-(5H-[1,2,4]triazino[5,6-b]indol-3-ylmethyleneamino)aniline 3,4,5-trimethoxy-N-(5H-[1,2,4]triazino[5,6-b]indol-3-ylmethyleneamino)aniline 378.4
6817220 C24H24N4OS 4-(4-benzylpiperazin-1-yl)-3-oxo-2-(4-phenyl-3H-thiazol-2-ylidene)butanenitrile 4-(4-benzylpiperazin-1-yl)-3-oxo-2-(4-phenyl-3H-thiazol-2-ylidene)butanenitrile 416.5
6817221 C23H22N4O5 2-(2,3-dimethylanilino)-N'-[(3-methoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 2-(2,3-dimethylanilino)-N'-[(3-methoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 434.4
6817223 C12H11N5O6 N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-methyl-1,2,5-oxadiazole-3-carbohydrazide N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-methyl-1,2,5-oxadiazole-3-carbohydrazide 321.25
6817224 C17H15Br2N3O3 2-[2-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-N-(2,4-dimethylphenyl)-2-oxo-acetamide 2-[2-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-N-(2,4-dimethylphenyl)-2-oxo-acetamide 469.1
6817225 C18H19N3O4 N-(2-ethoxyphenyl)-2-oxo-2-[2-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]hydrazino]acetamide N-(2-ethoxyphenyl)-2-oxo-2-[2-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]hydrazino]acetamide 341.4
6817226 C17H15ClN4O5 2-chloro-5-[2-[5-cyano-1-(3-hydroxypropyl)-4-methyl-2,6-dioxo-3-pyridylidene]hydrazino]benzoic acid 2-chloro-5-[2-[5-cyano-1-(3-hydroxypropyl)-4-methyl-2,6-dioxo-3-pyridylidene]hydrazino]benzoic acid 390.8
6817227 C22H17N5O3S 5-[[4-(1,3-benzothiazol-2-yl)phenyl]hydrazono]-1-(2-hydroxyethyl)-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 5-[[4-(1,3-benzothiazol-2-yl)phenyl]hydrazono]-1-(2-hydroxyethyl)-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 431.5
6817228 C15H16N3O2S+ 2-(3H-1,3-benzothiazol-2-ylidene)-4-morpholin-4-ium-4-yl-3-oxo-butanenitrile 2-(3H-1,3-benzothiazol-2-ylidene)-4-morpholin-4-ium-4-yl-3-oxo-butanenitrile 302.4
6817229 C18H24N6O2 N1',N8'-bis(pyrrol-2-ylidenemethyl)octanedihydrazide N1',N8'-bis(pyrrol-2-ylidenemethyl)octanedihydrazide 356.4
6817230 C21H16BrN3O3S N-[1-[[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-(2-thienyl)vinyl]benzamide N-[1-[[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-(2-thienyl)vinyl]benzamide 470.3
6817231 C23H17BrClN3O3 N-[1-[[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamoyl]-2-phenyl-vinyl]-2-chloro-benzamide N-[1-[[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamoyl]-2-phenyl-vinyl]-2-chloro-benzamide 498.8
6817232 C14H12N2O3 6-[(4-methyl-3-nitro-anilino)methylene]cyclohexa-2,4-dien-1-one 6-[(4-methyl-3-nitro-anilino)methylene]cyclohexa-2,4-dien-1-one 256.26
6817233 C26H22N2O5 ethyl 4-[4-[(2-methoxyanilino)methylene]-1,3-dioxo-2-isoquinolyl]benzoate ethyl 4-[4-[(2-methoxyanilino)methylene]-1,3-dioxo-2-isoquinolyl]benzoate 442.5
6817234 C27H24N2O6S ethyl 2-[[2-(1,3-benzodioxol-5-ylmethyl)-1,3-dioxo-4-isoquinolylidene]methylamino]-4,5-dimethyl-thiophene-3-carboxylate ethyl 2-[[2-(1,3-benzodioxol-5-ylmethyl)-1,3-dioxo-4-isoquinolylidene]methylamino]-4,5-dimethyl-thiophene-3-carboxylate 504.6
6817235 C23H21N5O4 2-[(4-methoxyphenyl)methyl]-4-[[2-(6-methyl-4-oxo-1H-pyrimidin-2-yl)hydrazino]methylene]isoquinoline-1,3-dione 2-[(4-methoxyphenyl)methyl]-4-[[2-(6-methyl-4-oxo-1H-pyrimidin-2-yl)hydrazino]methylene]isoquinoline-1,3-dione 431.4
6817236 C18H18N2O5S ethyl 2-[(3-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate ethyl 2-[(3-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate 374.4
6817237 C20H11Cl2N5O5 6-[[[2-(2,4-dichlorophenyl)-3H-benzimidazol-5-yl]amino]methylene]-2,4-dinitro-cyclohexa-2,4-dien-1-one 6-[[[2-(2,4-dichlorophenyl)-3H-benzimidazol-5-yl]amino]methylene]-2,4-dinitro-cyclohexa-2,4-dien-1-one 472.2
6817238 C16H14N2O4 2-(2-furyl)-4-[[(4-methoxyphenyl)methylamino]methylene]oxazol-5-one 2-(2-furyl)-4-[[(4-methoxyphenyl)methylamino]methylene]oxazol-5-one 298.29
6817239 C20H13BrN4O3 6-[[4-(1H-benzimidazol-2-yl)anilino]methylene]-2-bromo-4-nitro-cyclohexa-2,4-dien-1-one 6-[[4-(1H-benzimidazol-2-yl)anilino]methylene]-2-bromo-4-nitro-cyclohexa-2,4-dien-1-one 437.2
6817240 C22H17N3O5 6-[[[3-(5,7-dimethyl-3H-1,3-benzoxazol-2-ylidene)-4-oxo-cyclohexa-1,5-dien-1-yl]amino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 6-[[[3-(5,7-dimethyl-3H-1,3-benzoxazol-2-ylidene)-4-oxo-cyclohexa-1,5-dien-1-yl]amino]methylene]-2-nitro-cyclohexa-2,4-dien-1-one 403.4
6817241 C20H19N5O3 N-[2-[2-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide N-[2-[2-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 377.4
6817242 C21H19BrN4O2S N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-[(4,6-dimethylpyrimidin-2-yl)sulfanylmethyl]benzohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-[(4,6-dimethylpyrimidin-2-yl)sulfanylmethyl]benzohydrazide 471.4
6817243 C27H23Cl2N3O3 4-[(3-chloro-2-methyl-anilino)methylene]-2-(5-chloro-2-morpholino-phenyl)isoquinoline-1,3-dione 4-[(3-chloro-2-methyl-anilino)methylene]-2-(5-chloro-2-morpholino-phenyl)isoquinoline-1,3-dione 508.4
6817244 C16H13N3O2S 6-[6-methylsulfanyl-4-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-1,3,5-triazin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[6-methylsulfanyl-4-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-1,3,5-triazin-2-ylidene]cyclohexa-2,4-dien-1-one 311.4
6817245 C19H14N4O3 2-(3-methyl-1H-benzimidazol-2-ylidene)-5-(4-nitrophenyl)-3-oxo-pent-4-enenitrile 2-(3-methyl-1H-benzimidazol-2-ylidene)-5-(4-nitrophenyl)-3-oxo-pent-4-enenitrile 346.3
6817246 C20H13ClN2O2S 6-(3H-1,3-benzothiazol-2-ylidene)-4-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexa-2,4-dien-1-one 6-(3H-1,3-benzothiazol-2-ylidene)-4-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexa-2,4-dien-1-one 380.8
6817248 C18H13N3O5 4-[(4-acetylanilino)methylene]-2-(4-nitrophenyl)oxazol-5-one 4-[(4-acetylanilino)methylene]-2-(4-nitrophenyl)oxazol-5-one 351.3
6817249 C12H8Cl2N2O (6Z)-6-[[(3,5-dichloro-2-pyridyl)amino]methylene]cyclohexa-2,4-dien-1-one (6Z)-6-[[(3,5-dichloro-2-pyridyl)amino]methylene]cyclohexa-2,4-dien-1-one 267.11
6817250 C15H10N2O3 3-(phenylhydrazono)chromane-2,4-dione 3-(phenylhydrazono)chromane-2,4-dione 266.25
6817251 C15H13N5O4 3-nitro-1-[(1H-1,2,4-triazol-5-ylamino)methylene]-6,7,8,9-tetrahydrodibenzofuran-2-one 3-nitro-1-[(1H-1,2,4-triazol-5-ylamino)methylene]-6,7,8,9-tetrahydrodibenzofuran-2-one 327.29
6817252 C18H17BrN2O2 5-bromo-N-(cinnamylideneamino)-2-ethoxy-benzamide 5-bromo-N-(cinnamylideneamino)-2-ethoxy-benzamide 373.2
6817253 C21H16Br2N2O3 2-benzyloxy-5-bromo-N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 2-benzyloxy-5-bromo-N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 504.2
6817254 C20H33NO3 4-hydroxy-6-[1-(hydroxyamino)tetradecylidene]cyclohexa-2,4-dien-1-one 4-hydroxy-6-[1-(hydroxyamino)tetradecylidene]cyclohexa-2,4-dien-1-one 335.5
6817255 C21H16N2O3S N-[3-(3H-1,3-benzothiazol-2-ylidene)-4-oxo-cyclohexa-1,5-dien-1-yl]-4-methoxy-benzamide N-[3-(3H-1,3-benzothiazol-2-ylidene)-4-oxo-cyclohexa-1,5-dien-1-yl]-4-methoxy-benzamide 376.4
6817256 C7H4BrN3O2S 5-(4-bromo-3H-thiazol-2-ylidene)pyrimidine-2,4-dione 5-(4-bromo-3H-thiazol-2-ylidene)pyrimidine-2,4-dione 274.10
6817257 C18H18N4O5 4-morpholino-3-nitro-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 4-morpholino-3-nitro-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 370.4
6817258 C21H22N4O2S 2-(3a,7a-dihydro-1,3-benzothiazol-2-yl)-4-[(3-methoxypropylamino)methylene]-5-phenyl-pyrazol-3-one 2-(3a,7a-dihydro-1,3-benzothiazol-2-yl)-4-[(3-methoxypropylamino)methylene]-5-phenyl-pyrazol-3-one 394.5
6817259 C16H14Br2N2O5 4,5-dibromo-2-ethoxy-6-[(2-methoxy-5-nitro-anilino)methylene]cyclohexa-2,4-dien-1-one 4,5-dibromo-2-ethoxy-6-[(2-methoxy-5-nitro-anilino)methylene]cyclohexa-2,4-dien-1-one 474.10
6817260 C19H14BrCl2N3O3 5-[1-[(2-bromophenyl)methylamino]ethylidene]-1-(2,5-dichlorophenyl)hexahydropyrimidine-2,4,6-trione 5-[1-[(2-bromophenyl)methylamino]ethylidene]-1-(2,5-dichlorophenyl)hexahydropyrimidine-2,4,6-trione 483.1

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.