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 6,337,551 - 6,337,600 of 6,571,471
Page 126752 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6750896 C20H16N4O2S 3-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 3-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 376.4
6750897 C20H16N4O2S 3-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 3-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 376.4
6750898 C21H18N4O2S 3-methyl-N'-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 3-methyl-N'-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 390.5
6750899 C21H18N4O2S 3-methyl-N'-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 3-methyl-N'-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-phenyl-thieno[3,2-d]pyrazole-5-carbohydrazide 390.5
6750900 C19H22N2O5 3-[[(3,4-dimethoxyphenyl)methylamino]-hydroxy-methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 3-[[(3,4-dimethoxyphenyl)methylamino]-hydroxy-methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 358.4
6750901 C17H15F3N2O3 3-[hydroxy-[2-(trifluoromethyl)anilino]methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 3-[hydroxy-[2-(trifluoromethyl)anilino]methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 352.31
6750902 C18H17N3O3S 3-[hydroxy-[(6-methyl-1,3-benzothiazol-2-yl)amino]methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 3-[hydroxy-[(6-methyl-1,3-benzothiazol-2-yl)amino]methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 355.4
6750903 C24H20N4O5 2-hydroxy-N-[[1-[2-(2-methoxyanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]amino]benzamide 2-hydroxy-N-[[1-[2-(2-methoxyanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]amino]benzamide 444.4
6750904 C20H12ClN5O2 1-amino-3-(2-chloro-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-5H-pyrido[1,2-a]benzimidazole-2,4-dicarbonitrile 1-amino-3-(2-chloro-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-5H-pyrido[1,2-a]benzimidazole-2,4-dicarbonitrile 389.8
6750905 C20H19ClN2O2 6-[4-(4-tert-butylbenzoyl)-1,2-dihydropyrazol-3-ylidene]-4-chloro-cyclohexa-2,4-dien-1-one 6-[4-(4-tert-butylbenzoyl)-1,2-dihydropyrazol-3-ylidene]-4-chloro-cyclohexa-2,4-dien-1-one 354.8
6750906 C15H12F4N2O4 4,7-dimethoxy-5-[5-(1,1,2,2-tetrafluoroethyl)-1,2-dihydropyrazol-3-ylidene]benzofuran-6-one 4,7-dimethoxy-5-[5-(1,1,2,2-tetrafluoroethyl)-1,2-dihydropyrazol-3-ylidene]benzofuran-6-one 360.26
6750907 C17H10ClF3N2O3 5-[4-(2-chlorophenyl)-5-(trifluoromethyl)-1,2-dihydropyrazol-3-ylidene]-1,3-benzodioxol-4-one 5-[4-(2-chlorophenyl)-5-(trifluoromethyl)-1,2-dihydropyrazol-3-ylidene]-1,3-benzodioxol-4-one 382.7
6750908 C20H18N4O3S 1-[(6R)-3-ethylsulfanyl-6-[2-(2-furyl)vinyl]-6H-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-7-yl]ethanone 1-[(6R)-3-ethylsulfanyl-6-[2-(2-furyl)vinyl]-6H-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-7-yl]ethanone 394.4
6750909 C8H7ClN4O2 4-chloro-6-(1,2-dihydrotetrazol-5-ylidene)-2-methoxy-cyclohexa-2,4-dien-1-one 4-chloro-6-(1,2-dihydrotetrazol-5-ylidene)-2-methoxy-cyclohexa-2,4-dien-1-one 226.62
6750910 C24H29N3O3 (5S)-1-[3-(diethylamino)propyl]-4-[hydroxy(p-tolyl)methylene]-5-(4-pyridyl)pyrrolidine-2,3-dione (5S)-1-[3-(diethylamino)propyl]-4-[hydroxy(p-tolyl)methylene]-5-(4-pyridyl)pyrrolidine-2,3-dione 407.5
6750911 C21H17ClN2O3 N-[3-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide N-[3-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 380.8
6750912 C22H19BrN2O3 N-[3-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide N-[3-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 439.3
6750913 C23H23N3O4 (5R)-4-[(2,5-dimethylphenyl)-hydroxy-methylene]-5-(2-furyl)-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione (5R)-4-[(2,5-dimethylphenyl)-hydroxy-methylene]-5-(2-furyl)-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione 405.4
6750914 C19H18N2O5 3-[(benzylamino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[(benzylamino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 354.4
6750915 C20H20N2O5 3-[hydroxy-[[(1S)-1-phenylethyl]amino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-[[(1S)-1-phenylethyl]amino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 368.4
6750916 C20H20N2O5 3-[hydroxy-(p-tolylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(p-tolylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 368.4
6750917 C20H18N2O7 3-[(1,3-benzodioxol-5-ylmethylamino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[(1,3-benzodioxol-5-ylmethylamino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 398.4
6750918 C19H17FN2O5 3-[[(2-fluorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[(2-fluorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 372.3
6750919 C19H17FN2O5 3-[[(4-fluorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[(4-fluorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 372.3
6750920 C19H17ClN2O5 3-[[(4-chlorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[(4-chlorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 388.8
6750921 C19H17ClN2O5 3-[[(2-chlorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[(2-chlorophenyl)methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 388.8
6750922 C20H20N2O5 3-[hydroxy-(2-phenylethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(2-phenylethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 368.4
6750923 C21H22N2O6 3-[hydroxy-[2-(4-methoxyphenyl)ethylamino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-[2-(4-methoxyphenyl)ethylamino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 398.4
6750924 C22H24N2O7 3-[[2-(3,4-dimethoxyphenyl)ethylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[2-(3,4-dimethoxyphenyl)ethylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 428.4
6750925 C20H19ClN2O5 3-[[2-(4-chlorophenyl)ethylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[2-(4-chlorophenyl)ethylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 402.8
6750926 C18H17N3O5 3-[hydroxy-(2-pyridylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(2-pyridylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 355.3
6750927 C18H17N3O5 3-[hydroxy-(3-pyridylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(3-pyridylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 355.3
6750928 C18H17N3O5 3-[hydroxy-(4-pyridylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(4-pyridylmethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 355.3
6750929 C19H25N3O5 3-[[[(2S)-1-ethylpyrrolidin-2-yl]methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[[[(2S)-1-ethylpyrrolidin-2-yl]methylamino]-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 375.4
6750930 C18H23N3O5 3-[hydroxy-(2-pyrrolidin-1-ylethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(2-pyrrolidin-1-ylethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 361.4
6750931 C19H25N3O5 3-[hydroxy-[2-(1-piperidyl)ethylamino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-[2-(1-piperidyl)ethylamino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 375.4
6750932 C18H24N4O5 3-[hydroxy-(2-piperazin-1-ylethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(2-piperazin-1-ylethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 376.4
6750933 C18H23N3O6 3-[hydroxy-(2-morpholinoethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(2-morpholinoethylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 377.4
6750934 C19H18N2O5 3-[hydroxy-(2-methylanilino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(2-methylanilino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 354.4
6750935 C19H15F3N2O5 3-[hydroxy-[2-(trifluoromethyl)anilino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-[2-(trifluoromethyl)anilino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 408.3
6750936 C20H20N2O5 3-[(2,3-dimethylanilino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[(2,3-dimethylanilino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 368.4
6750937 C20H20N2O5 3-[(2,5-dimethylanilino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[(2,5-dimethylanilino)-hydroxy-methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 368.4
6750938 C18H17N3O5 3-[hydroxy-[(3-methyl-2-pyridyl)amino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-[(3-methyl-2-pyridyl)amino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 355.3
6750939 C18H17N3O5 3-[hydroxy-[(6-methyl-2-pyridyl)amino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-[(6-methyl-2-pyridyl)amino]methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 355.3
6750940 C21H15BrN2O3 6-[[3-(1,3-benzoxazol-2-yl)anilino]methylene]-4-bromo-2-methoxy-cyclohexa-2,4-dien-1-one 6-[[3-(1,3-benzoxazol-2-yl)anilino]methylene]-4-bromo-2-methoxy-cyclohexa-2,4-dien-1-one 423.3
6750941 C23H19N3O5 6-[[[2-(2,4-dimethylphenyl)-1,3-benzoxazol-5-yl]amino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 6-[[[2-(2,4-dimethylphenyl)-1,3-benzoxazol-5-yl]amino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 417.4
6750942 C21H24Cl2N2O3 methyl (2R)-3-[4-[bis(2-chloroethyl)amino]phenyl]-2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]propanoate methyl (2R)-3-[4-[bis(2-chloroethyl)amino]phenyl]-2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]propanoate 423.3
6750943 C16H13N3O3S2 2-(1,3-benzothiazol-2-ylsulfanyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(1,3-benzothiazol-2-ylsulfanyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 359.4
6750944 C16H13N3O3S2 2-(1,3-benzothiazol-2-ylsulfanyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(1,3-benzothiazol-2-ylsulfanyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 359.4
6750945 C24H21ClN6O3S 2-[4-(4-chlorophenyl)thiazol-2-yl]-5-methyl-4-[[2-(morpholine-4-carbonyl)phenyl]hydrazono]pyrazol-3-one 2-[4-(4-chlorophenyl)thiazol-2-yl]-5-methyl-4-[[2-(morpholine-4-carbonyl)phenyl]hydrazono]pyrazol-3-one 509.0

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.