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 6,410,601 - 6,410,650 of 6,571,471
Page 128213 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6826000 C14H18ClN3O2 [(5-chloro-3-cyclohexyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]urea [(5-chloro-3-cyclohexyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]urea 295.76
6826001 C18H18BrClN2O2 N-[4-[(5-bromo-3-chloro-2,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]propanamide N-[4-[(5-bromo-3-chloro-2,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]propanamide 409.7
6826002 C25H27N3O5S N-(2,4-dimethylphenyl)-N-[2-[2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzenesulfonamide N-(2,4-dimethylphenyl)-N-[2-[2-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzenesulfonamide 481.6
6826003 C16H15ClN2O N-[(3-chloro-3-phenyl-prop-2-enylidene)amino]-4-methoxy-aniline N-[(3-chloro-3-phenyl-prop-2-enylidene)amino]-4-methoxy-aniline 286.75
6826004 C22H16N4O4S2 N-[[4-(3H-1,3-benzothiazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]-2-methyl-3-nitro-benzamide N-[[4-(3H-1,3-benzothiazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]-2-methyl-3-nitro-benzamide 464.5
6826005 C13H17NO3 4-[cyclohexyl-(hydroxyamino)methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[cyclohexyl-(hydroxyamino)methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 235.28
6826006 C18H19Cl2N3O3 2-(4-chloroanilino)-N'-[(3-chloro-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]butanehydrazide 2-(4-chloroanilino)-N'-[(3-chloro-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]butanehydrazide 396.3
6826007 C32H33N3O5 ethyl 2-benzamido-6-(3-hexyl-4-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-phenyl-1H-pyrazine-3-carboxylate ethyl 2-benzamido-6-(3-hexyl-4-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-phenyl-1H-pyrazine-3-carboxylate 539.6
6826008 C27H31N3O3S N-[3-[6-(cyclohexanecarbonylamino)-3H-1,3-benzothiazol-2-ylidene]-4-oxo-cyclohexa-1,5-dien-1-yl]cyclohexanecarboxamide N-[3-[6-(cyclohexanecarbonylamino)-3H-1,3-benzothiazol-2-ylidene]-4-oxo-cyclohexa-1,5-dien-1-yl]cyclohexanecarboxamide 477.6
6826009 C20H10Br2Cl2N2O2 2,4-dibromo-6-[[[2-(2,3-dichlorophenyl)-1,3-benzoxazol-5-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[2-(2,3-dichlorophenyl)-1,3-benzoxazol-5-yl]amino]methylene]cyclohexa-2,4-dien-1-one 541.0
6826010 C16H14F3N3O2 N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-[3-(trifluoromethyl)anilino]acetohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-[3-(trifluoromethyl)anilino]acetohydrazide 337.30
6826011 C13H11ClN2O 4-chloro-6-(p-tolylhydrazono)cyclohexa-2,4-dien-1-one 4-chloro-6-(p-tolylhydrazono)cyclohexa-2,4-dien-1-one 246.69
6826012 C18H16N2O3 1-ethyl-3-[(4-hydroxyanilino)methylene]quinoline-2,4-dione 1-ethyl-3-[(4-hydroxyanilino)methylene]quinoline-2,4-dione 308.3
6826014 C16H15N5O5 2-[2-[(2-hydroxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-(methoxymethyl)-6-methyl-pyridine-3-carbonitrile 2-[2-[(2-hydroxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-(methoxymethyl)-6-methyl-pyridine-3-carbonitrile 357.32
6826015 C12H9BrN2O4 4-bromo-6-[2-(3-methyl-4-nitro-2H-isoxazol-5-ylidene)ethylidene]cyclohexa-2,4-dien-1-one 4-bromo-6-[2-(3-methyl-4-nitro-2H-isoxazol-5-ylidene)ethylidene]cyclohexa-2,4-dien-1-one 325.11
6826016 C22H19N3O3S2 N,N-diallyl-4-[2-(3H-1,3-benzothiazol-2-ylidene)-2-cyano-acetyl]benzenesulfonamide N,N-diallyl-4-[2-(3H-1,3-benzothiazol-2-ylidene)-2-cyano-acetyl]benzenesulfonamide 437.5
6826017 C18H16N4OS 3-[4-(4-methoxyphenyl)-3-methylsulfanyl-1H-1,2,4-triazol-5-ylidene]indole 3-[4-(4-methoxyphenyl)-3-methylsulfanyl-1H-1,2,4-triazol-5-ylidene]indole 336.4
6826018 C34H27N13O7S2-2 4-amino-3-[4-(2,4-diaminophenyl)azophenyl]azo-6-[[4-(2,4-diaminophenyl)azophenyl]hydrazono]-5-oxo-naphthalene-2,7-disulfonate 4-amino-3-[4-(2,4-diaminophenyl)azophenyl]azo-6-[[4-(2,4-diaminophenyl)azophenyl]hydrazono]-5-oxo-naphthalene-2,7-disulfonate 793.8
6826019 C26H20BrN3O2S 5-(7-bromo-5-methyl-2-oxo-indolin-3-ylidene)-3-(o-tolyl)-2-(o-tolylimino)thiazolidin-4-one 5-(7-bromo-5-methyl-2-oxo-indolin-3-ylidene)-3-(o-tolyl)-2-(o-tolylimino)thiazolidin-4-one 518.4
6826020 C16H16N6O2 2-methoxy-6-[[2-[6-(4-methylpyrazol-1-yl)pyrimidin-4-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[2-[6-(4-methylpyrazol-1-yl)pyrimidin-4-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 324.34
6826021 C10H13N3OS [1-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)ethylamino]thiourea [1-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)ethylamino]thiourea 223.30
6826022 C14H19N3O2S 1-cyclohexyl-3-[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 1-cyclohexyl-3-[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 293.39
6826023 C17H19N3O2S 1-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2-phenylethyl)thiourea 1-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2-phenylethyl)thiourea 329.4
6826024 C20H13FN2O3 4-[[[2-(4-fluorophenyl)-1,3-benzoxazol-5-yl]amino]methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[[[2-(4-fluorophenyl)-1,3-benzoxazol-5-yl]amino]methylene]-3-hydroxy-cyclohexa-2,5-dien-1-one 348.3
6826025 C27H20ClN5O3S 4-[(2-benzoyl-4-chloro-phenyl)hydrazono]-2-[4-(4-methoxyphenyl)thiazol-2-yl]-5-methyl-pyrazol-3-one 4-[(2-benzoyl-4-chloro-phenyl)hydrazono]-2-[4-(4-methoxyphenyl)thiazol-2-yl]-5-methyl-pyrazol-3-one 530.0
6826026 C20H12ClN3O3S 6-[[3-(1,3-benzothiazol-2-yl)anilino]methylene]-4-chloro-2-nitro-cyclohexa-2,4-dien-1-one 6-[[3-(1,3-benzothiazol-2-yl)anilino]methylene]-4-chloro-2-nitro-cyclohexa-2,4-dien-1-one 409.8
6826027 C19H15BrN4O3 N'-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-N-(4-bromophenyl)oxamide N'-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-N-(4-bromophenyl)oxamide 427.3
6826028 C21H15BrN2O4 N-[4-(3H-1,3-benzoxazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]-5-bromo-2-methoxy-benzamide N-[4-(3H-1,3-benzoxazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]-5-bromo-2-methoxy-benzamide 439.3
6826029 C13H10INO 6-[(2-iodoanilino)methylene]cyclohexa-2,4-dien-1-one 6-[(2-iodoanilino)methylene]cyclohexa-2,4-dien-1-one 323.13
6826030 C20H22N4O6 N1',N2'-bis[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]ethanedihydrazide N1',N2'-bis[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]ethanedihydrazide 414.4
6826031 C18H15BrClN3O 2-(4-bromophenyl)-4-[(3-chloro-4-methyl-anilino)methylene]-5-methyl-pyrazol-3-one 2-(4-bromophenyl)-4-[(3-chloro-4-methyl-anilino)methylene]-5-methyl-pyrazol-3-one 404.7
6826032 C15H13ClN4O5 4-chloro-3,5-dimethyl-2-nitro-6-[[2-(4-nitrophenyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 4-chloro-3,5-dimethyl-2-nitro-6-[[2-(4-nitrophenyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 364.74
6826033 C32H23BrClN3O3 6-bromo-3-[1-(3-chlorobenzoyl)-5-(4-methoxyphenyl)pyrazolidin-3-ylidene]-4-phenyl-quinolin-2-one 6-bromo-3-[1-(3-chlorobenzoyl)-5-(4-methoxyphenyl)pyrazolidin-3-ylidene]-4-phenyl-quinolin-2-one 612.9
6826034 C26H25ClN5O4S+ 2-[[4-(4-chlorophenyl)-5-(4-methoxyphenyl)-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]-N'-[(1E)-1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]acetohydrazide 2-[[4-(4-chlorophenyl)-5-(4-methoxyphenyl)-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]-N'-[(1E)-1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]acetohydrazide 539.0
6826035 C14H10Cl3N3O4 3,5,6-trichloro-4-[2-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]pyridine-2-carboxylic acid 3,5,6-trichloro-4-[2-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]pyridine-2-carboxylic acid 390.6
6826036 C21H17BrN2O2S 3-(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-2-[4-(4-ethylphenyl)-3H-thiazol-2-ylidene]propanenitrile 3-(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-2-[4-(4-ethylphenyl)-3H-thiazol-2-ylidene]propanenitrile 441.3
6826037 C24H20N4O4S N-[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]ethyl]-N-(3-pyridyl)benzenesulfonamide N-[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]ethyl]-N-(3-pyridyl)benzenesulfonamide 460.5
6826038 C14H9F3N2O2 6-oxo-3-[[3-(trifluoromethyl)phenyl]hydrazono]cyclohexa-1,4-diene-1-carbaldehyde 6-oxo-3-[[3-(trifluoromethyl)phenyl]hydrazono]cyclohexa-1,4-diene-1-carbaldehyde 294.23
6826039 C19H16Cl2N2O3 4-[(3-chloro-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-chlorophenyl)-5-methyl-1H-pyrazol-3-one 4-[(3-chloro-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-chlorophenyl)-5-methyl-1H-pyrazol-3-one 391.2
6826040 C13H9ClIN3O5S 4-chloro-N'-[(5-iodo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzenesulfonohydrazide 4-chloro-N'-[(5-iodo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzenesulfonohydrazide 481.65
6826041 C14H13BrN2O2 2-bromo-6-methoxy-4-[(2-phenylhydrazino)methylene]cyclohexa-2,5-dien-1-one 2-bromo-6-methoxy-4-[(2-phenylhydrazino)methylene]cyclohexa-2,5-dien-1-one 321.17
6826042 C31H24N2O6S ethyl 2-[[2-(1,3-benzodioxol-5-ylmethyl)-1,3-dioxo-4-isoquinolylidene]methylamino]-4-phenyl-thiophene-3-carboxylate ethyl 2-[[2-(1,3-benzodioxol-5-ylmethyl)-1,3-dioxo-4-isoquinolylidene]methylamino]-4-phenyl-thiophene-3-carboxylate 552.6
6826043 C20H19N4O6- 4-nitro-2-[[2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexyl]iminomethyl]phenolate 4-nitro-2-[[2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexyl]iminomethyl]phenolate 411.4
6826044 C20H20N4O6 (6E)-4-nitro-6-[[[2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexyl]amino]methylene]cyclohexa-2,4-dien-1-one (6E)-4-nitro-6-[[[2-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]cyclohexyl]amino]methylene]cyclohexa-2,4-dien-1-one 412.4
6826045 C18H16BrN3O3 2-(3-bromophenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 2-(3-bromophenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 402.2
6826046 C14H10BrClN2O3 4-bromo-6-[(3-chloro-4-methyl-anilino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 4-bromo-6-[(3-chloro-4-methyl-anilino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 369.60
6826047 C10H13N5O2 2-[(3-hydroxy-1-methyl-6-oxo-2,3-dihydroindol-5-ylidene)amino]guanidine 2-[(3-hydroxy-1-methyl-6-oxo-2,3-dihydroindol-5-ylidene)amino]guanidine 235.24
6826048 C19H13ClFN3O3S 5-[(3-acetylanilino)methylene]-1-(3-chloro-4-fluoro-phenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 5-[(3-acetylanilino)methylene]-1-(3-chloro-4-fluoro-phenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 417.8
6826049 C23H18BrN3O3 2-[2-[5-bromo-2-oxo-1-(p-tolylmethyl)indolin-3-ylidene]hydrazino]benzoic acid 2-[2-[5-bromo-2-oxo-1-(p-tolylmethyl)indolin-3-ylidene]hydrazino]benzoic acid 464.3
6826050 C23H20BrN3O 5-bromo-3-(m-tolylhydrazono)-1-(p-tolylmethyl)indolin-2-one 5-bromo-3-(m-tolylhydrazono)-1-(p-tolylmethyl)indolin-2-one 434.3

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.