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 6,336,651 - 6,336,700 of 6,571,471
Page 126734 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6749978 C25H25NO6 (5R)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylene]-5-(p-tolyl)-1-[[(2S)-tetrahydrofuran-2-yl]methyl]pyrrolidine-2,3-dione (5R)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylene]-5-(p-tolyl)-1-[[(2S)-tetrahydrofuran-2-yl]methyl]pyrrolidine-2,3-dione 435.5
6749979 C23H23NO5S (5R)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-[[(2S)-tetrahydrofuran-2-yl]methyl]-5-(2-thienyl)pyrrolidine-2,3-dione (5R)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-[[(2S)-tetrahydrofuran-2-yl]methyl]-5-(2-thienyl)pyrrolidine-2,3-dione 425.5
6749980 C27H29NO6 (5R)-5-(4-ethoxyphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-[[(2S)-tetrahydrofuran-2-yl]methyl]pyrrolidine-2,3-dione (5R)-5-(4-ethoxyphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-[[(2S)-tetrahydrofuran-2-yl]methyl]pyrrolidine-2,3-dione 463.5
6749981 C27H24N2O5 (5R)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylene]-5-(4-ethylphenyl)-1-(3-pyridylmethyl)pyrrolidine-2,3-dione (5R)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylene]-5-(4-ethylphenyl)-1-(3-pyridylmethyl)pyrrolidine-2,3-dione 456.5
6749982 C28H32N2O7 (5S)-5-(3,4-dimethoxyphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-(2-morpholinoethyl)pyrrolidine-2,3-dione (5S)-5-(3,4-dimethoxyphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-(2-morpholinoethyl)pyrrolidine-2,3-dione 508.6
6749983 C31H30N2O7 (5R)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylene]-1-(2-morpholinoethyl)-5-(3-phenoxyphenyl)pyrrolidine-2,3-dione (5R)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylene]-1-(2-morpholinoethyl)-5-(3-phenoxyphenyl)pyrrolidine-2,3-dione 542.6
6749984 C28H32N2O5 (5R)-5-(4-ethylphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-(2-morpholinoethyl)pyrrolidine-2,3-dione (5R)-5-(4-ethylphenyl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydrobenzofuran-5-yl]methylene]-1-(2-morpholinoethyl)pyrrolidine-2,3-dione 476.6
6749985 C22H20N4O3 (5R)-4-[hydroxy(phenyl)methylene]-1-(3-imidazol-1-ylpropyl)-5-(2-pyridyl)pyrrolidine-2,3-dione (5R)-4-[hydroxy(phenyl)methylene]-1-(3-imidazol-1-ylpropyl)-5-(2-pyridyl)pyrrolidine-2,3-dione 388.4
6749986 C31H26N2O4 (5S)-5-(3-benzyloxyphenyl)-4-[hydroxy(p-tolyl)methylene]-1-(3-pyridylmethyl)pyrrolidine-2,3-dione (5S)-5-(3-benzyloxyphenyl)-4-[hydroxy(p-tolyl)methylene]-1-(3-pyridylmethyl)pyrrolidine-2,3-dione 490.5
6749987 C23H20N4O3 3-(2-methoxy-1-naphthyl)-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]-1H-pyrazole-5-carbohydrazide 3-(2-methoxy-1-naphthyl)-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]-1H-pyrazole-5-carbohydrazide 400.4
6749988 C24H19N3O2 N-[(Z)-[3-(2-furyl)-2-methyl-prop-2-enylidene]amino]-2-phenyl-quinoline-4-carboxamide N-[(Z)-[3-(2-furyl)-2-methyl-prop-2-enylidene]amino]-2-phenyl-quinoline-4-carboxamide 381.4
6749989 C23H25N3O 6-[1-[[4-(1-naphthylmethyl)piperazin-1-yl]amino]ethylidene]cyclohexa-2,4-dien-1-one 6-[1-[[4-(1-naphthylmethyl)piperazin-1-yl]amino]ethylidene]cyclohexa-2,4-dien-1-one 359.5
6749990 C22H22N6O2S 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-(indol-3-ylidenemethyl)acetohydrazide 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-(indol-3-ylidenemethyl)acetohydrazide 434.5
6749991 C22H22N6O2S 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-(indol-3-ylidenemethyl)acetohydrazide 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-(indol-3-ylidenemethyl)acetohydrazide 434.5
6749992 C20H16N4O2S 5-(5-methyl-2-thienyl)-N'-[(2-oxo-1-naphthylidene)methyl]-1H-pyrazole-3-carbohydrazide 5-(5-methyl-2-thienyl)-N'-[(2-oxo-1-naphthylidene)methyl]-1H-pyrazole-3-carbohydrazide 376.4
6749993 C20H16N4O2S 5-(5-methyl-2-thienyl)-N'-[(2-oxo-1-naphthylidene)methyl]-1H-pyrazole-3-carbohydrazide 5-(5-methyl-2-thienyl)-N'-[(2-oxo-1-naphthylidene)methyl]-1H-pyrazole-3-carbohydrazide 376.4
6749994 C21H27N3O2 6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 353.5
6749995 C21H27N3O2 6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]-2-methoxy-cyclohexa-2,4-dien-1-one 353.5
6749996 C21H26N4O3 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-phenylpiperazin-1-yl)propanehydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-phenylpiperazin-1-yl)propanehydrazide 382.5
6749997 C21H26N4O3 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-phenylpiperazin-1-yl)propanehydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-phenylpiperazin-1-yl)propanehydrazide 382.5
6749998 C18H12N2O3S2 2-[[2-[hydroxy-(3-oxobenzothiophen-2-ylidene)methyl]hydrazino]methylene]benzothiophen-3-one 2-[[2-[hydroxy-(3-oxobenzothiophen-2-ylidene)methyl]hydrazino]methylene]benzothiophen-3-one 368.4
6749999 C18H12N2O3S2 2-[[2-[hydroxy-(3-oxobenzothiophen-2-ylidene)methyl]hydrazino]methylene]benzothiophen-3-one 2-[[2-[hydroxy-(3-oxobenzothiophen-2-ylidene)methyl]hydrazino]methylene]benzothiophen-3-one 368.4
6750000 C20H14N2O3S 2-[hydroxy-[2-[(1-oxo-2-naphthylidene)methyl]hydrazino]methylene]benzothiophen-3-one 2-[hydroxy-[2-[(1-oxo-2-naphthylidene)methyl]hydrazino]methylene]benzothiophen-3-one 362.4
6750001 C16H11BrN2O3S 2-[[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-hydroxy-methylene]benzothiophen-3-one 2-[[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-hydroxy-methylene]benzothiophen-3-one 391.2
6750002 C16H11BrN2O3S 2-[[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-hydroxy-methylene]benzothiophen-3-one 2-[[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-hydroxy-methylene]benzothiophen-3-one 391.2
6750003 C17H16Cl2N2O5 N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,4,5-trimethoxy-benzohydrazide N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,4,5-trimethoxy-benzohydrazide 399.2
6750004 C17H16Cl2N2O5 N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,4,5-trimethoxy-benzohydrazide N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,4,5-trimethoxy-benzohydrazide 399.2
6750005 C21H22ClN3O2 2-(4-chloro-2-isopropyl-5-methyl-phenoxy)-N'-(indol-3-ylidenemethyl)acetohydrazide 2-(4-chloro-2-isopropyl-5-methyl-phenoxy)-N'-(indol-3-ylidenemethyl)acetohydrazide 383.9
6750006 C21H22ClN3O2 2-(4-chloro-2-isopropyl-5-methyl-phenoxy)-N'-(indol-3-ylidenemethyl)acetohydrazide 2-(4-chloro-2-isopropyl-5-methyl-phenoxy)-N'-(indol-3-ylidenemethyl)acetohydrazide 383.9
6750007 C19H20BrClN2O3 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-chloro-2-isopropyl-5-methyl-phenoxy)acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-chloro-2-isopropyl-5-methyl-phenoxy)acetohydrazide 439.7
6750008 C19H20BrClN2O3 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-chloro-2-isopropyl-5-methyl-phenoxy)acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-chloro-2-isopropyl-5-methyl-phenoxy)acetohydrazide 439.7
6750009 C25H21N3O (1R)-N'-(indol-3-ylidenemethyl)-2,2-diphenyl-cyclopropanecarbohydrazide (1R)-N'-(indol-3-ylidenemethyl)-2,2-diphenyl-cyclopropanecarbohydrazide 379.5
6750010 C25H21N3O (1R)-N'-(indol-3-ylidenemethyl)-2,2-diphenyl-cyclopropanecarbohydrazide (1R)-N'-(indol-3-ylidenemethyl)-2,2-diphenyl-cyclopropanecarbohydrazide 379.5
6750011 C21H18N2O4 2-hydroxy-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,2-diphenyl-acetohydrazide 2-hydroxy-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,2-diphenyl-acetohydrazide 362.4
6750012 C21H18N2O4 2-hydroxy-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,2-diphenyl-acetohydrazide 2-hydroxy-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,2-diphenyl-acetohydrazide 362.4
6750013 C16H16N8O2 N-[[5-(methylcarbamoyl)-1H-imidazol-4-yl]amino]-2-[(2Z)-2-(o-tolylmethylene)hydrazino]-2-oxo-acetimidoyl cyanide N-[[5-(methylcarbamoyl)-1H-imidazol-4-yl]amino]-2-[(2Z)-2-(o-tolylmethylene)hydrazino]-2-oxo-acetimidoyl cyanide 352.35
6750014 C16H16N8O2 (1Z)-N-[[5-(methylcarbamoyl)-1H-imidazol-4-yl]amino]-2-[2-(o-tolylmethylene)hydrazino]-2-oxo-acetimidoyl cyanide (1Z)-N-[[5-(methylcarbamoyl)-1H-imidazol-4-yl]amino]-2-[2-(o-tolylmethylene)hydrazino]-2-oxo-acetimidoyl cyanide 352.35
6750015 C23H16BrNO3 (5S)-5-(4-bromophenyl)-4-[hydroxy(phenyl)methylene]-1-phenyl-pyrrolidine-2,3-dione (5S)-5-(4-bromophenyl)-4-[hydroxy(phenyl)methylene]-1-phenyl-pyrrolidine-2,3-dione 434.3
6750016 C22H23N3O5S ethyl 3-phenyl-2-[(Z)-(3,4,5-trimethoxyphenyl)methylenehydrazono]thiazole-4-carboxylate ethyl 3-phenyl-2-[(Z)-(3,4,5-trimethoxyphenyl)methylenehydrazono]thiazole-4-carboxylate 441.5
6750017 C22H22N6O2 3-[(2-tert-butylanilino)-(2H-tetrazol-5-yl)methylene]-1-methyl-quinoline-2,4-dione 3-[(2-tert-butylanilino)-(2H-tetrazol-5-yl)methylene]-1-methyl-quinoline-2,4-dione 402.4
6750018 C19H16N6O2 3-[(benzylamino)-(2H-tetrazol-5-yl)methylene]-1-methyl-quinoline-2,4-dione 3-[(benzylamino)-(2H-tetrazol-5-yl)methylene]-1-methyl-quinoline-2,4-dione 360.4
6750019 C21H20N6O2 1-methyl-3-[2H-tetrazol-5-yl-(2,4,6-trimethylanilino)methylene]quinoline-2,4-dione 1-methyl-3-[2H-tetrazol-5-yl-(2,4,6-trimethylanilino)methylene]quinoline-2,4-dione 388.4
6750020 C20H18N2O4 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxy-naphthalene-2-carbohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxy-naphthalene-2-carbohydrazide 350.4
6750021 C20H18N2O4 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxy-naphthalene-2-carbohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxy-naphthalene-2-carbohydrazide 350.4
6750022 C21H15BrN2O2 4-bromo-6-[[3-(5-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[3-(5-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 407.3
6750023 C20H15N3O4 [4-[(Z)-(pyridine-3-carbonylhydrazono)methyl]phenyl] 3-(2-furyl)prop-2-enoate [4-[(Z)-(pyridine-3-carbonylhydrazono)methyl]phenyl] 3-(2-furyl)prop-2-enoate 361.3
6750024 C15H11Cl2N3O5 2-(2,4-dichlorophenoxy)-N'-[(3-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(2,4-dichlorophenoxy)-N'-[(3-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 384.2
6750025 C15H11Cl2N3O5 2-(2,4-dichlorophenoxy)-N'-[(3-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(2,4-dichlorophenoxy)-N'-[(3-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 384.2
6750026 C17H12Cl3N3O 5-methyl-2-phenyl-4-[(2,4,6-trichloroanilino)methylene]pyrazol-3-one 5-methyl-2-phenyl-4-[(2,4,6-trichloroanilino)methylene]pyrazol-3-one 380.7
6750027 C15H12BrN3O5 2-(3-bromophenoxy)-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(3-bromophenoxy)-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 394.18

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.