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 6,427,551 - 6,427,600 of 6,571,471
Page 128552 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6843426 C15H13BrN2O3 3-bromo-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 3-bromo-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 349.18
6843427 C16H18N2O3 3-[1-[2-(2-ethylphenyl)hydrazino]ethylidene]-6-methyl-pyran-2,4-dione 3-[1-[2-(2-ethylphenyl)hydrazino]ethylidene]-6-methyl-pyran-2,4-dione 286.33
6843428 C20H17BrN2O5S 5-[(2-bromo-5-ethoxy-4-hydroxy-phenyl)methylene]-1-(4-methoxyphenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 5-[(2-bromo-5-ethoxy-4-hydroxy-phenyl)methylene]-1-(4-methoxyphenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 477.3
6843429 C25H20N4O2S 2-(1,3-benzothiazol-2-yl)-4-[1-(4-methoxyanilino)ethylidene]-5-phenyl-pyrazol-3-one 2-(1,3-benzothiazol-2-yl)-4-[1-(4-methoxyanilino)ethylidene]-5-phenyl-pyrazol-3-one 440.5
6843430 C24H19BrClN5O3S N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-(4-chlorophenyl)-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-(4-chlorophenyl)-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 572.9
6843431 C16H14BrN3O5 N'-[(2-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-nitrophenyl)acetohydrazide N'-[(2-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-nitrophenyl)acetohydrazide 408.20
6843432 C31H25N3O4 2-(1,3-benzodioxol-5-ylmethyl)-4-[(2-benzyl-2-phenyl-hydrazino)methylene]isoquinoline-1,3-dione 2-(1,3-benzodioxol-5-ylmethyl)-4-[(2-benzyl-2-phenyl-hydrazino)methylene]isoquinoline-1,3-dione 503.5
6843433 C24H18N2O6 methyl 4-[(2-hydroxy-1-naphthyl)methylene]-2-methyl-1-(4-nitrophenyl)-5-oxo-pyrrole-3-carboxylate methyl 4-[(2-hydroxy-1-naphthyl)methylene]-2-methyl-1-(4-nitrophenyl)-5-oxo-pyrrole-3-carboxylate 430.4
6843434 C31H27N3O3 N-[(1-isopropyl-2-oxo-indolin-3-ylidene)amino]-4-[(2-phenylphenoxy)methyl]benzamide N-[(1-isopropyl-2-oxo-indolin-3-ylidene)amino]-4-[(2-phenylphenoxy)methyl]benzamide 489.6
6843435 C17H13N7O2 N-[1-(4-nitrophenyl)ethylideneamino]-5H-[1,2,4]triazino[5,6-b]indol-3-amine N-[1-(4-nitrophenyl)ethylideneamino]-5H-[1,2,4]triazino[5,6-b]indol-3-amine 347.3
6843436 C15H14N2O2 3-[(3,4-dimethylphenyl)hydrazono]-6-oxo-cyclohexa-1,4-diene-1-carbaldehyde 3-[(3,4-dimethylphenyl)hydrazono]-6-oxo-cyclohexa-1,4-diene-1-carbaldehyde 254.28
6843437 C31H24N6O3 2-[5-methyl-2-oxo-3-[(4-oxo-3-phenyl-quinazolin-2-yl)hydrazono]indolin-1-yl]-N-phenyl-acetamide 2-[5-methyl-2-oxo-3-[(4-oxo-3-phenyl-quinazolin-2-yl)hydrazono]indolin-1-yl]-N-phenyl-acetamide 528.6
6843438 C18H17N5O2 N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(benzotriazol-1-yl)acetohydrazide N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(benzotriazol-1-yl)acetohydrazide 335.4
6843439 C20H14BrNO2S 4-[2-(1H-benzo[e][1,3]benzothiazol-2-ylidene)ethylidene]-2-bromo-6-methoxy-cyclohexa-2,5-dien-1-one 4-[2-(1H-benzo[e][1,3]benzothiazol-2-ylidene)ethylidene]-2-bromo-6-methoxy-cyclohexa-2,5-dien-1-one 412.3
6843440 C13H15N3O2 4-[(2-hydroxyethylamino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 4-[(2-hydroxyethylamino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 245.28
6843441 C9H11NO3 2-ethoxy-4-[(hydroxyamino)methylene]cyclohexa-2,5-dien-1-one 2-ethoxy-4-[(hydroxyamino)methylene]cyclohexa-2,5-dien-1-one 181.19
6843442 C23H17FN2O3S N-(4-fluorophenyl)-4-[(2-oxo-1-naphthylidene)methylamino]benzenesulfonamide N-(4-fluorophenyl)-4-[(2-oxo-1-naphthylidene)methylamino]benzenesulfonamide 420.5
6843443 C15H15NO3 6-methyl-3-[1-(2-methylanilino)ethylidene]pyran-2,4-dione 6-methyl-3-[1-(2-methylanilino)ethylidene]pyran-2,4-dione 257.28
6843444 C25H30ClN3O4 N-[1-[[(3-allyl-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-3-methyl-butyl]-4-chloro-benzamide N-[1-[[(3-allyl-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-3-methyl-butyl]-4-chloro-benzamide 472.0
6843445 C25H22N2O4 2-(4-ethoxyphenyl)-4-[[2-(hydroxymethyl)anilino]methylene]isoquinoline-1,3-dione 2-(4-ethoxyphenyl)-4-[[2-(hydroxymethyl)anilino]methylene]isoquinoline-1,3-dione 414.5
6843446 C18H17BrN5O2S+ 2-[[5-(4-bromophenyl)-4-methyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]-N'-[(E)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(4-bromophenyl)-4-methyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]-N'-[(E)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 447.3
6843447 C16H14N4O6 N1',N2'-bis[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]ethanedihydrazide N1',N2'-bis[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]ethanedihydrazide 358.31
6843448 C18H21FN4O3 5-[[(2-aminocyclohexyl)amino]methylene]-1-[(4-fluorophenyl)methyl]hexahydropyrimidine-2,4,6-trione 5-[[(2-aminocyclohexyl)amino]methylene]-1-[(4-fluorophenyl)methyl]hexahydropyrimidine-2,4,6-trione 360.4
6843449 C16H10Br2N2O2 4-[(2-bromoanilino)methylene]-2-(4-bromophenyl)oxazol-5-one 4-[(2-bromoanilino)methylene]-2-(4-bromophenyl)oxazol-5-one 422.07
6843450 C19H20N4O2S 1-[(1-isopropyl-2-oxo-indolin-3-ylidene)amino]-3-(2-methoxyphenyl)thiourea 1-[(1-isopropyl-2-oxo-indolin-3-ylidene)amino]-3-(2-methoxyphenyl)thiourea 368.5
6843451 C21H21N5O2 1-ethyl-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]-2-methyl-benzimidazole-5-carboxamide 1-ethyl-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]-2-methyl-benzimidazole-5-carboxamide 375.4
6843452 C24H23N5O4S N-(2,4-dimethylphenyl)-4-[2-[(2-methylindol-3-ylidene)methyl]hydrazino]-3-nitro-benzenesulfonamide N-(2,4-dimethylphenyl)-4-[2-[(2-methylindol-3-ylidene)methyl]hydrazino]-3-nitro-benzenesulfonamide 477.5
6843453 C17H15BrFN3O3 N-[3-[2-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-3-oxo-propyl]-2-fluoro-benzamide N-[3-[2-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-3-oxo-propyl]-2-fluoro-benzamide 408.2
6843454 C20H18N4O8S 2-[2-[(2,3-dihydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(2-methoxyphenyl)-5-nitro-benzenesulfonamide 2-[2-[(2,3-dihydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(2-methoxyphenyl)-5-nitro-benzenesulfonamide 474.4
6843455 C15H16N2O3S 2,5-dimethyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]benzenesulfonohydrazide 2,5-dimethyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]benzenesulfonohydrazide 304.4
6843456 C14H11N3O6 2-hydroxy-N'-[(2-hydroxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 2-hydroxy-N'-[(2-hydroxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 317.25
6843457 C19H11Cl2NO3S 3-[4-(3,4-dichlorophenyl)-5-methyl-3H-thiazol-2-ylidene]chromene-2,7-dione 3-[4-(3,4-dichlorophenyl)-5-methyl-3H-thiazol-2-ylidene]chromene-2,7-dione 404.3
6843458 C26H20N2O3 4-benzyl-6-[(1,2-dihydroacenaphthylen-5-ylamino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 4-benzyl-6-[(1,2-dihydroacenaphthylen-5-ylamino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 408.4
6843459 C24H17ClN2O2 3-chloro-N-[3-[(2-oxo-1-naphthylidene)methylamino]phenyl]benzamide 3-chloro-N-[3-[(2-oxo-1-naphthylidene)methylamino]phenyl]benzamide 400.9
6843460 C16H10Cl2N6O3S 4-[(3,4-dichlorophenyl)hydrazono]-3-(4-nitrophenyl)-5-oxo-pyrazole-1-carbothioamide 4-[(3,4-dichlorophenyl)hydrazono]-3-(4-nitrophenyl)-5-oxo-pyrazole-1-carbothioamide 437.3
6843461 C26H27N3O5 [3-cyano-3-(1,3-dihydrobenzimidazol-2-ylidene)-2-oxo-propyl] 3-(4-butoxy-3-ethoxy-phenyl)prop-2-enoate [3-cyano-3-(1,3-dihydrobenzimidazol-2-ylidene)-2-oxo-propyl] 3-(4-butoxy-3-ethoxy-phenyl)prop-2-enoate 461.5
6843462 C18H20N2O2Zn 4-methyl-6-[[2-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]ethylamino]methylene]cyclohexa-2,4-dien-1-one;zinc 4-methyl-6-[[2-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]ethylamino]methylene]cyclohexa-2,4-dien-1-one;zinc 361.7
6843463 C19H16N4O 2-[1-[2-(1H-benzimidazol-2-yl)hydrazino]ethylidene]naphthalen-1-one 2-[1-[2-(1H-benzimidazol-2-yl)hydrazino]ethylidene]naphthalen-1-one 316.4
6843464 C27H23ClN4OS2 2-(1,3-benzothiazol-2-yl)-5-[(4-chlorophenyl)sulfanylmethyl]-4-[1-(2-phenylethylamino)ethylidene]pyrazol-3-one 2-(1,3-benzothiazol-2-yl)-5-[(4-chlorophenyl)sulfanylmethyl]-4-[1-(2-phenylethylamino)ethylidene]pyrazol-3-one 519.1
6843465 C15H13BrN4O3 5-[(4-bromophenyl)hydrazono]-1-(2-hydroxyethyl)-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 5-[(4-bromophenyl)hydrazono]-1-(2-hydroxyethyl)-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 377.19
6843466 C20H16N6O2 4-[10-(2,4-dimethylphenyl)-3,4,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,7,11-tetraen-5-ylidene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[10-(2,4-dimethylphenyl)-3,4,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,7,11-tetraen-5-ylidene]-3-hydroxy-cyclohexa-2,5-dien-1-one 372.4
6843467 C20H16ClN5OS 4-[(3-chloro-2-methyl-phenyl)hydrazono]-5-methyl-2-(4-phenylthiazol-2-yl)pyrazol-3-one 4-[(3-chloro-2-methyl-phenyl)hydrazono]-5-methyl-2-(4-phenylthiazol-2-yl)pyrazol-3-one 409.9
6843468 C13H8F3N7O3 2-nitro-6-[[2-[3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-nitro-6-[[2-[3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 367.24
6843469 C17H17BrN4O4 2-(4-bromoanilino)-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]butanehydrazide 2-(4-bromoanilino)-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]butanehydrazide 421.2
6843470 C12H15Br2N3O2S 1-[(2,3-dibromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-3-ethyl-thiourea 1-[(2,3-dibromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-3-ethyl-thiourea 425.14
6843471 C18H22N2O4S N,N-diethyl-4-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]benzenesulfonamide N,N-diethyl-4-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]benzenesulfonamide 362.4
6843472 C19H16BrN2OS2+ (E)-3-anilino-1-(5-bromo-2-thienyl)-2-(3-methylpyridin-1-ium-1-yl)-3-sulfanyl-prop-2-en-1-one (E)-3-anilino-1-(5-bromo-2-thienyl)-2-(3-methylpyridin-1-ium-1-yl)-3-sulfanyl-prop-2-en-1-one 432.4
6843473 C21H17Br2NO2 4,5-dibromo-6-[(1,2-dihydroacenaphthylen-5-ylamino)methylene]-2-ethoxy-cyclohexa-2,4-dien-1-one 4,5-dibromo-6-[(1,2-dihydroacenaphthylen-5-ylamino)methylene]-2-ethoxy-cyclohexa-2,4-dien-1-one 475.2
6843474 C24H20ClN3O3S 4-chloro-N-[[3-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-5-methyl-4-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]benzamide 4-chloro-N-[[3-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-5-methyl-4-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]benzamide 466.0
6843475 C25H21BrClN5O3S N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[4-(4-chlorophenyl)-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[4-(4-chlorophenyl)-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 586.9

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.