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 6,332,851 - 6,332,900 of 6,571,471
Page 126658 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6746120 C15H13Cl2NO2 2,4-dichloro-6-[(4-ethoxyanilino)methylene]cyclohexa-2,4-dien-1-one 2,4-dichloro-6-[(4-ethoxyanilino)methylene]cyclohexa-2,4-dien-1-one 310.2
6746121 C17H18N2O3 N-[4-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]-N-methyl-acetamide N-[4-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]-N-methyl-acetamide 298.34
6746122 C19H23N3O2 N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-3-methyl-benzohydrazide N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-3-methyl-benzohydrazide 325.4
6746123 C19H23N3O2 N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-3-methyl-benzohydrazide N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-3-methyl-benzohydrazide 325.4
6746124 C17H15N3O N'-(indol-3-ylidenemethyl)-4-methyl-benzohydrazide N'-(indol-3-ylidenemethyl)-4-methyl-benzohydrazide 277.32
6746125 C17H15N3O N'-(indol-3-ylidenemethyl)-4-methyl-benzohydrazide N'-(indol-3-ylidenemethyl)-4-methyl-benzohydrazide 277.32
6746126 C16H16N2O2 2-methyl-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]benzohydrazide 2-methyl-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]benzohydrazide 268.31
6746127 C15H14N2O5 6-[(2,5-dimethoxyanilino)methylene]-4-nitro-cyclohexa-2,4-dien-1-one 6-[(2,5-dimethoxyanilino)methylene]-4-nitro-cyclohexa-2,4-dien-1-one 302.28
6746128 C15H14N4O3S 1-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(p-tolyl)thiourea 1-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(p-tolyl)thiourea 330.4
6746129 C15H14N4O3S 1-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(p-tolyl)thiourea 1-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(p-tolyl)thiourea 330.4
6746130 C20H18N2O2 N'-[(2-oxo-1-naphthylidene)methyl]-3-phenyl-propanehydrazide N'-[(2-oxo-1-naphthylidene)methyl]-3-phenyl-propanehydrazide 318.4
6746131 C20H18N2O2 N'-[(2-oxo-1-naphthylidene)methyl]-3-phenyl-propanehydrazide N'-[(2-oxo-1-naphthylidene)methyl]-3-phenyl-propanehydrazide 318.4
6746132 C15H16N4O2 4,6-dimethyl-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]pyrimidine-2-carbohydrazide 4,6-dimethyl-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]pyrimidine-2-carbohydrazide 284.31
6746133 C16H18N4O3 6-[[[1-methyl-3-(morpholine-4-carbonyl)pyrazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 6-[[[1-methyl-3-(morpholine-4-carbonyl)pyrazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 314.34
6746134 C11H9N3O4 1-benzyl-5-hydroxyimino-hexahydropyrimidine-2,4,6-trione 1-benzyl-5-hydroxyimino-hexahydropyrimidine-2,4,6-trione 247.21
6746135 C15H14N6O4 2-(3-methyl-2,6-dioxo-purin-7-yl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(3-methyl-2,6-dioxo-purin-7-yl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 342.31
6746136 C15H14N6O4 2-(3-methyl-2,6-dioxo-purin-7-yl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(3-methyl-2,6-dioxo-purin-7-yl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 342.31
6746137 C16H18N2O5 1-tert-butyl-5-[(4-hydroxy-3-methoxy-phenyl)methylene]hexahydropyrimidine-2,4,6-trione 1-tert-butyl-5-[(4-hydroxy-3-methoxy-phenyl)methylene]hexahydropyrimidine-2,4,6-trione 318.32
6746138 C13H10N4O4 3-(2-methyl-4-nitro-1H-pyrazol-3-ylidene)-1H-quinoline-2,4-dione 3-(2-methyl-4-nitro-1H-pyrazol-3-ylidene)-1H-quinoline-2,4-dione 286.24
6746139 C6H9N3O2 2,2-dimethyl-5-(nitrosomethylene)-3-oxido-1H-imidazol-3-ium 2,2-dimethyl-5-(nitrosomethylene)-3-oxido-1H-imidazol-3-ium 155.15
6746140 C17H12N2O3 2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,5-dihydrochromeno[2,3-d]pyrimidin-4-one 2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,5-dihydrochromeno[2,3-d]pyrimidin-4-one 292.29
6746141 C16H13NO4 4-hydroxy-N-(2-hydroxyphenyl)-2-oxo-4-phenyl-but-3-enamide 4-hydroxy-N-(2-hydroxyphenyl)-2-oxo-4-phenyl-but-3-enamide 283.28
6746142 C18H14N2O4 N'-[1-(2,7-dioxochromen-3-ylidene)ethyl]benzohydrazide N'-[1-(2,7-dioxochromen-3-ylidene)ethyl]benzohydrazide 322.3
6746143 C20H22N2O3 5-ethyl-3-methoxy-6-[4-(4-methoxyphenyl)-5-methyl-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 5-ethyl-3-methoxy-6-[4-(4-methoxyphenyl)-5-methyl-1,2-dihydropyrazol-3-ylidene]cyclohexa-2,4-dien-1-one 338.4
6746144 C15H16N4O3 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4,6-dimethyl-pyrimidine-2-carbohydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4,6-dimethyl-pyrimidine-2-carbohydrazide 300.31
6746145 C15H16N4O3 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4,6-dimethyl-pyrimidine-2-carbohydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4,6-dimethyl-pyrimidine-2-carbohydrazide 300.31
6746146 C14H20N6O2 (3aS,4R,6aS)-1-amino-6-(dimethylhydrazono)-3,3-dimethoxy-4-methyl-4,5-dihydrocyclopenta[c]pyrrole-3a,6a-dicarbonitrile (3aS,4R,6aS)-1-amino-6-(dimethylhydrazono)-3,3-dimethoxy-4-methyl-4,5-dihydrocyclopenta[c]pyrrole-3a,6a-dicarbonitrile 304.35
6746147 C18H14N4O 2-cyano-N'-[(2-phenylindol-3-ylidene)methyl]acetohydrazide 2-cyano-N'-[(2-phenylindol-3-ylidene)methyl]acetohydrazide 302.3
6746148 C18H14N4O 2-cyano-N'-[(2-phenylindol-3-ylidene)methyl]acetohydrazide 2-cyano-N'-[(2-phenylindol-3-ylidene)methyl]acetohydrazide 302.3
6746149 C9H10N5O2+ [(4-amino-1,2,5-oxadiazol-3-ylidene)-anilino-methyl]-oxo-ammonium [(4-amino-1,2,5-oxadiazol-3-ylidene)-anilino-methyl]-oxo-ammonium 220.21
6746150 C9H9N5O2 4-[anilino(nitroso)methylene]-1,2,5-oxadiazol-3-amine 4-[anilino(nitroso)methylene]-1,2,5-oxadiazol-3-amine 219.20
6746151 C13H12N2O3 3-[(cyclopropylamino)-hydroxy-methylene]-1H-quinoline-2,4-dione 3-[(cyclopropylamino)-hydroxy-methylene]-1H-quinoline-2,4-dione 244.25
6746152 C18H17N3O2 6-(4-morpholino-1H-quinazolin-2-ylidene)cyclohexa-2,4-dien-1-one 6-(4-morpholino-1H-quinazolin-2-ylidene)cyclohexa-2,4-dien-1-one 307.3
6746153 C19H20N2O2 3-methoxy-6-(4-phenyl-1,2-dihydropyrazol-3-ylidene)-4-propyl-cyclohexa-2,4-dien-1-one 3-methoxy-6-(4-phenyl-1,2-dihydropyrazol-3-ylidene)-4-propyl-cyclohexa-2,4-dien-1-one 308.4
6746154 C13H12N2O5 5-[(4-hydroxy-3-methoxy-phenyl)methylene]-1-methyl-hexahydropyrimidine-2,4,6-trione 5-[(4-hydroxy-3-methoxy-phenyl)methylene]-1-methyl-hexahydropyrimidine-2,4,6-trione 276.24
6746155 C19H18N2O2 methyl 2,4-dimethyl-5-[(1-naphthylamino)methylene]pyrrole-3-carboxylate methyl 2,4-dimethyl-5-[(1-naphthylamino)methylene]pyrrole-3-carboxylate 306.4
6746156 C17H16N4O2 2-benzylimino-3-[(hydroxyamino)methylene]-9-methyl-pyrido[1,2-a]pyrimidin-4-one 2-benzylimino-3-[(hydroxyamino)methylene]-9-methyl-pyrido[1,2-a]pyrimidin-4-one 308.33
6746157 C17H16N4O2 2-benzylimino-3-[(hydroxyamino)methylene]-9-methyl-pyrido[1,2-a]pyrimidin-4-one 2-benzylimino-3-[(hydroxyamino)methylene]-9-methyl-pyrido[1,2-a]pyrimidin-4-one 308.33
6746158 C10H18N2O (2R,5S)-1-allyl-2,5-dimethyl-piperidin-4-one oxime (2R,5S)-1-allyl-2,5-dimethyl-piperidin-4-one oxime 182.26
6746159 C16H18N2O3 methyl 5-[(4-methoxyanilino)methylene]-2,4-dimethyl-pyrrole-3-carboxylate methyl 5-[(4-methoxyanilino)methylene]-2,4-dimethyl-pyrrole-3-carboxylate 286.33
6746160 C18H16N2O3 6-[4-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methyl-1H-pyrazol-5-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-methyl-1H-pyrazol-5-ylidene]cyclohexa-2,4-dien-1-one 308.3
6746161 C10H7NO6 4-hydroxy-4-(4-nitrophenyl)-2-oxo-but-3-enoic acid 4-hydroxy-4-(4-nitrophenyl)-2-oxo-but-3-enoic acid 237.17
6746162 C14H20N2O (2R,5S)-1-benzyl-2,5-dimethyl-piperidin-4-one oxime (2R,5S)-1-benzyl-2,5-dimethyl-piperidin-4-one oxime 232.32
6746163 C15H20N4O 6-[(1,3,6-triazatricyclo[4.3.1.13,8]undecan-8-ylamino)methylene]cyclohexa-2,4-dien-1-one 6-[(1,3,6-triazatricyclo[4.3.1.13,8]undecan-8-ylamino)methylene]cyclohexa-2,4-dien-1-one 272.35
6746164 C18H15N3O3 N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(8-quinolyloxy)acetohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(8-quinolyloxy)acetohydrazide 321.3
6746165 C18H15N3O3 N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(8-quinolyloxy)acetohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(8-quinolyloxy)acetohydrazide 321.3
6746166 C18H16N4O2 1-methyl-4-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-N-phenyl-pyrazole-5-carboxamide 1-methyl-4-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]-N-phenyl-pyrazole-5-carboxamide 320.3
6746167 C15H15ClN2O2 methyl 5-[(3-chloroanilino)methylene]-2,4-dimethyl-pyrrole-3-carboxylate methyl 5-[(3-chloroanilino)methylene]-2,4-dimethyl-pyrrole-3-carboxylate 290.74
6746168 C17H15ClN2O3 4-[4-(4-chlorophenoxy)-5-methyl-1,2-dihydropyrazol-3-ylidene]-3-hydroxy-2-methyl-cyclohexa-2,5-dien-1-one 4-[4-(4-chlorophenoxy)-5-methyl-1,2-dihydropyrazol-3-ylidene]-3-hydroxy-2-methyl-cyclohexa-2,5-dien-1-one 330.8
6746169 C16H13FN4O2 2-(2-fluorophenyl)imino-3-[(hydroxyamino)methylene]-9-methyl-pyrido[1,2-a]pyrimidin-4-one 2-(2-fluorophenyl)imino-3-[(hydroxyamino)methylene]-9-methyl-pyrido[1,2-a]pyrimidin-4-one 312.30

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.