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 6,426,351 - 6,426,400 of 6,571,471
Page 128528 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6842194 C22H18N4O 6-[[2-[2-(p-tolyl)quinazolin-4-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-[2-(p-tolyl)quinazolin-4-yl]hydrazino]methylene]cyclohexa-2,4-dien-1-one 354.4
6842195 C7H5NO4 4-(2H-isoxazol-5-ylidene)tetrahydrofuran-2,3-dione 4-(2H-isoxazol-5-ylidene)tetrahydrofuran-2,3-dione 167.12
6842196 C17H12N2O4 2-[(5-oxo-2-phenyl-oxazol-4-ylidene)methylamino]benzoic acid 2-[(5-oxo-2-phenyl-oxazol-4-ylidene)methylamino]benzoic acid 308.29
6842197 C28H23N5O6S 4-[2-(1-benzyl-2-oxo-indolin-3-ylidene)hydrazino]-N-(4-methoxyphenyl)-3-nitro-benzenesulfonamide 4-[2-(1-benzyl-2-oxo-indolin-3-ylidene)hydrazino]-N-(4-methoxyphenyl)-3-nitro-benzenesulfonamide 557.6
6842198 C29H26N4O4S 1-(6,7-dimethoxy-1-phenyl-3,4-dihydro-1H-isoquinolin-2-yl)-2-[(2-indol-3-ylidene-3H-1,3,4-oxadiazol-5-yl)sulfanyl]ethanone 1-(6,7-dimethoxy-1-phenyl-3,4-dihydro-1H-isoquinolin-2-yl)-2-[(2-indol-3-ylidene-3H-1,3,4-oxadiazol-5-yl)sulfanyl]ethanone 526.6
6842199 C24H17Br2N3O5 N-[2-(1,3-benzodioxol-5-yl)-1-[[(3,5-dibromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]vinyl]benzamide N-[2-(1,3-benzodioxol-5-yl)-1-[[(3,5-dibromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]vinyl]benzamide 587.2
6842200 C28H30N5O6S+ N'-[(1Z)-1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]-2-[[4-phenyl-5-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]acetohydrazide N'-[(1Z)-1-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)ethyl]-2-[[4-phenyl-5-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]acetohydrazide 564.6
6842201 C21H24IN3O4 N-[1-[[(3-iodo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-methyl-propyl]-4-methyl-benzamide N-[1-[[(3-iodo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-methyl-propyl]-4-methyl-benzamide 509.3
6842202 C19H20BrN3O3 N-[1-[[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-methyl-propyl]benzamide N-[1-[[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-methyl-propyl]benzamide 418.3
6842203 C27H25N2OS+ (Z)-1-(3,4-dimethylphenyl)-2-(3-methylpyridin-1-ium-1-yl)-3-(1-naphthylamino)-3-sulfanyl-prop-2-en-1-one (Z)-1-(3,4-dimethylphenyl)-2-(3-methylpyridin-1-ium-1-yl)-3-(1-naphthylamino)-3-sulfanyl-prop-2-en-1-one 425.6
6842204 C13H17N3O2S 1-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-3-(tetrahydrofuran-2-ylmethyl)thiourea 1-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-3-(tetrahydrofuran-2-ylmethyl)thiourea 279.36
6842205 C27H25N5O2S 2-[[5-indol-3-ylidene-4-(4-methoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]-N-(2-phenylethyl)acetamide 2-[[5-indol-3-ylidene-4-(4-methoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]-N-(2-phenylethyl)acetamide 483.6
6842206 C24H39N3O4 N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]tetradecanamide N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]tetradecanamide 433.6
6842207 C17H17ClN4O2 1-butyl-5-[(4-chlorophenyl)hydrazono]-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 1-butyl-5-[(4-chlorophenyl)hydrazono]-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 344.8
6842208 C25H25N3O5S ethyl 6-methyl-2-[[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]acetyl]amino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate ethyl 6-methyl-2-[[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]acetyl]amino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate 479.5
6842209 C23H20N2O2 N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2,2-diphenyl-cyclopropanecarbohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2,2-diphenyl-cyclopropanecarbohydrazide 356.4
6842210 C18H11FN2O2 2-(2-fluorophenyl)-4-(1H-indol-3-ylmethylene)oxazol-5-one 2-(2-fluorophenyl)-4-(1H-indol-3-ylmethylene)oxazol-5-one 306.3
6842211 C30H26N2O2 4-methyl-6-[[2-[(2-oxo-1-phenyl-butylidene)amino]anilino]-phenyl-methylene]cyclohexa-2,4-dien-1-one 4-methyl-6-[[2-[(2-oxo-1-phenyl-butylidene)amino]anilino]-phenyl-methylene]cyclohexa-2,4-dien-1-one 446.5
6842212 C17H18N2O2S N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]-3-phenylsulfanyl-propanehydrazide N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]-3-phenylsulfanyl-propanehydrazide 314.4
6842213 C26H21N3OS 3-benzyl-5-[(2-methyl-1H-indol-3-yl)methylene]-2-phenylimino-thiazolidin-4-one 3-benzyl-5-[(2-methyl-1H-indol-3-yl)methylene]-2-phenylimino-thiazolidin-4-one 423.5
6842214 C17H15FN2O2S2 3-cyclohexyl-5-(5-fluoro-2-oxo-indolin-3-ylidene)-2-thioxo-thiazolidin-4-one 3-cyclohexyl-5-(5-fluoro-2-oxo-indolin-3-ylidene)-2-thioxo-thiazolidin-4-one 362.4
6842215 C17H12BrClN2O2 2-(4-bromophenyl)-4-[(3-chloro-2-methyl-anilino)methylene]oxazol-5-one 2-(4-bromophenyl)-4-[(3-chloro-2-methyl-anilino)methylene]oxazol-5-one 391.6
6842216 C29H29N5O3 N-[2-[4-(diethylamino)phenyl]-1-[[(1-methyl-2-oxo-indolin-3-ylidene)amino]carbamoyl]vinyl]benzamide N-[2-[4-(diethylamino)phenyl]-1-[[(1-methyl-2-oxo-indolin-3-ylidene)amino]carbamoyl]vinyl]benzamide 495.6
6842217 C16H11ClN6O5 4-[(4-chloro-3-nitro-phenyl)hydrazono]-5-methyl-2-(4-nitrophenyl)pyrazol-3-one 4-[(4-chloro-3-nitro-phenyl)hydrazono]-5-methyl-2-(4-nitrophenyl)pyrazol-3-one 402.75
6842218 C20H15BrClN5OS 2-[4-(4-bromophenyl)thiazol-2-yl]-4-[(5-chloro-2-methyl-phenyl)hydrazono]-5-methyl-pyrazol-3-one 2-[4-(4-bromophenyl)thiazol-2-yl]-4-[(5-chloro-2-methyl-phenyl)hydrazono]-5-methyl-pyrazol-3-one 488.8
6842219 C16H18N2O3 4-[1-[2-(2,3-dimethylphenyl)hydrazino]ethylidene]-2,3-dihydroxy-cyclohexa-2,5-dien-1-one 4-[1-[2-(2,3-dimethylphenyl)hydrazino]ethylidene]-2,3-dihydroxy-cyclohexa-2,5-dien-1-one 286.33
6842220 C23H16BrCl2N5O2S 2-[[5-(3-bromophenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(3-bromophenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 577.3
6842221 C24H32Cu2N8O6S2+2 copper;copper;bis([diethylamino(sulfoniumylidene)methyl]-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]azanide) copper;copper;bis([diethylamino(sulfoniumylidene)methyl]-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]azanide) 719.8
6842222 C20H13BrFN3O2S 5-[(5-bromo-2-methyl-1H-indol-3-yl)methylene]-1-(2-fluorophenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 5-[(5-bromo-2-methyl-1H-indol-3-yl)methylene]-1-(2-fluorophenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 458.3
6842223 C22H19ClN2O4 4-[(4-chlorophenyl)methoxy]-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 4-[(4-chlorophenyl)methoxy]-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 410.8
6842224 C16H13ClN2O4 N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide 332.74
6842225 C26H22ClN3O4S N-(3-chlorophenyl)-N-[[4-[[(2-oxo-1-naphthylidene)methylamino]carbamoyl]phenyl]methyl]methanesulfonamide N-(3-chlorophenyl)-N-[[4-[[(2-oxo-1-naphthylidene)methylamino]carbamoyl]phenyl]methyl]methanesulfonamide 508.0
6842226 C17H12Cl2N2O3 4-chloro-6-[5-(6-chloro-4H-1,3-benzodioxin-8-yl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 4-chloro-6-[5-(6-chloro-4H-1,3-benzodioxin-8-yl)-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 363.2
6842227 C17H13N3O4 5-[(3-hydroxyanilino)methylene]-1-phenyl-hexahydropyrimidine-2,4,6-trione 5-[(3-hydroxyanilino)methylene]-1-phenyl-hexahydropyrimidine-2,4,6-trione 323.30
6842228 C14H10ClN3OS 6-[[2-(1,3-benzothiazol-2-yl)hydrazino]methylene]-4-chloro-cyclohexa-2,4-dien-1-one 6-[[2-(1,3-benzothiazol-2-yl)hydrazino]methylene]-4-chloro-cyclohexa-2,4-dien-1-one 303.8
6842229 C16H15FN2O3 N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3-fluoro-benzohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3-fluoro-benzohydrazide 302.30
6842230 C15H11Br2FN2O3 N'-[(2,3-dibromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3-fluoro-benzohydrazide N'-[(2,3-dibromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3-fluoro-benzohydrazide 446.07
6842231 C16H15IN2O3 N'-[(2-hydroxy-3,6-dimethyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-iodo-benzohydrazide N'-[(2-hydroxy-3,6-dimethyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-iodo-benzohydrazide 410.21
6842232 C20H17N5O3S N-(1,3-benzodioxol-5-yl)-2-[(5-indol-3-ylidene-4-methyl-1H-1,2,4-triazol-3-yl)sulfanyl]acetamide N-(1,3-benzodioxol-5-yl)-2-[(5-indol-3-ylidene-4-methyl-1H-1,2,4-triazol-3-yl)sulfanyl]acetamide 407.4
6842233 C21H22N4OS 3-[4-(4-ethoxyphenyl)-3-propylsulfanyl-1H-1,2,4-triazol-5-ylidene]indole 3-[4-(4-ethoxyphenyl)-3-propylsulfanyl-1H-1,2,4-triazol-5-ylidene]indole 378.5
6842235 C23H18Cl2N2O4 2-(2,4-dichlorophenoxy)-N-[4-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]acetamide 2-(2,4-dichlorophenoxy)-N-[4-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]acetamide 457.3
6842236 C16H11ClN4O3S 6-[[(5-benzyl-1,3,4-thiadiazol-2-yl)amino]methylene]-4-chloro-2-nitro-cyclohexa-2,4-dien-1-one 6-[[(5-benzyl-1,3,4-thiadiazol-2-yl)amino]methylene]-4-chloro-2-nitro-cyclohexa-2,4-dien-1-one 374.8
6842237 C19H19N7O 2-[[2-methyl-2-(2-pyridyl)hydrazino]methylene]-6-[[methyl(2-pyridyl)hydrazono]methyl]pyridin-3-one 2-[[2-methyl-2-(2-pyridyl)hydrazino]methylene]-6-[[methyl(2-pyridyl)hydrazono]methyl]pyridin-3-one 361.4
6842238 C16H13N5O2S2 1-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-3-[4-(2-thioxo-3H-1,3,4-oxadiazol-5-yl)phenyl]thiourea 1-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-3-[4-(2-thioxo-3H-1,3,4-oxadiazol-5-yl)phenyl]thiourea 371.4
6842239 C19H11N3O5 6-nitro-2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]benzo[de]isoquinoline-1,3-dione 6-nitro-2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]benzo[de]isoquinoline-1,3-dione 361.3
6842240 C15H12N4O5 5-[(2-hydroxy-4-nitro-anilino)methylene]-1,4-dimethyl-2,6-dioxo-pyridine-3-carbonitrile 5-[(2-hydroxy-4-nitro-anilino)methylene]-1,4-dimethyl-2,6-dioxo-pyridine-3-carbonitrile 328.28
6842241 C21H17Br2NO3 4,5-dibromo-2-ethoxy-6-[(2-hydroxy-5-phenyl-anilino)methylene]cyclohexa-2,4-dien-1-one 4,5-dibromo-2-ethoxy-6-[(2-hydroxy-5-phenyl-anilino)methylene]cyclohexa-2,4-dien-1-one 491.2
6842242 C19H17ClN4O2S ethyl 2-[2-(2-chlorophenyl)hydrazino]-2-(2-phenyliminothiazol-5-ylidene)acetate ethyl 2-[2-(2-chlorophenyl)hydrazino]-2-(2-phenyliminothiazol-5-ylidene)acetate 400.9
6842243 C23H13BrN4O4 2-[(5-bromo-2-oxo-indol-3-yl)methylene]-3-(2-nitrophenyl)-1H-quinazolin-4-one 2-[(5-bromo-2-oxo-indol-3-yl)methylene]-3-(2-nitrophenyl)-1H-quinazolin-4-one 489.3
6842244 C22H18Br2N2O3 2-bromo-N-[4-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 2-bromo-N-[4-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 518.2

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.