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 6,387,251 - 6,387,300 of 6,571,471
Page 127746 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6802029 C22H19ClN4O3 5-chloro-N-[[3-[(3,4-dimethylphenyl)hydrazono]-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]-2-hydroxy-benzamide 5-chloro-N-[[3-[(3,4-dimethylphenyl)hydrazono]-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]-2-hydroxy-benzamide 422.9
6802030 C21H17ClN4O3 2-(4-chlorophenyl)-N-[2-oxo-2-[2-(2-oxo-1-prop-2-ynyl-indolin-3-ylidene)hydrazino]ethyl]acetamide 2-(4-chlorophenyl)-N-[2-oxo-2-[2-(2-oxo-1-prop-2-ynyl-indolin-3-ylidene)hydrazino]ethyl]acetamide 408.8
6802031 C15H13BrN2O4 2-bromo-N'-[1-(6-methyl-2,4-dioxo-pyran-3-ylidene)ethyl]benzohydrazide 2-bromo-N'-[1-(6-methyl-2,4-dioxo-pyran-3-ylidene)ethyl]benzohydrazide 365.18
6802032 C25H21Cl2N5O3S 2-[[4,5-bis(4-chlorophenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[[4,5-bis(4-chlorophenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 542.4
6802033 C22H20ClN5O3 2-(4-chlorophenyl)-N-[2-[2-[1-(3-cyanopropyl)-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]acetamide 2-(4-chlorophenyl)-N-[2-[2-[1-(3-cyanopropyl)-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]acetamide 437.9
6802034 C19H23ClN4O3 5-[1-(azepan-1-ylamino)propylidene]-1-(4-chlorophenyl)hexahydropyrimidine-2,4,6-trione 5-[1-(azepan-1-ylamino)propylidene]-1-(4-chlorophenyl)hexahydropyrimidine-2,4,6-trione 390.9
6802035 C17H15N5O2 6-benzyl-3-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2H-1,2,4-triazin-5-one 6-benzyl-3-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2H-1,2,4-triazin-5-one 321.33
6802036 C21H20N4O5 N'-[1-[1-(4-methoxyphenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]propyl]benzohydrazide N'-[1-[1-(4-methoxyphenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]propyl]benzohydrazide 408.4
6802037 C16H18ClN5O3 1-(2-chlorophenyl)-5-[[(4-methylpiperazin-1-yl)amino]methylene]hexahydropyrimidine-2,4,6-trione 1-(2-chlorophenyl)-5-[[(4-methylpiperazin-1-yl)amino]methylene]hexahydropyrimidine-2,4,6-trione 363.80
6802038 C23H22N4O2S 5-[[1-(1H-indol-3-ylmethyl)propylamino]methylene]-1-phenyl-2-thioxo-hexahydropyrimidine-4,6-dione 5-[[1-(1H-indol-3-ylmethyl)propylamino]methylene]-1-phenyl-2-thioxo-hexahydropyrimidine-4,6-dione 418.5
6802039 C15H17N3O4 5-[1-(2-hydroxyethylamino)ethylidene]-1-(p-tolyl)hexahydropyrimidine-2,4,6-trione 5-[1-(2-hydroxyethylamino)ethylidene]-1-(p-tolyl)hexahydropyrimidine-2,4,6-trione 303.31
6802040 C24H23ClN4O3 1-(4-chlorophenyl)-5-[1-[1-(1H-indol-3-ylmethyl)propylamino]ethylidene]hexahydropyrimidine-2,4,6-trione 1-(4-chlorophenyl)-5-[1-[1-(1H-indol-3-ylmethyl)propylamino]ethylidene]hexahydropyrimidine-2,4,6-trione 450.9
6802041 C16H26N4O2S 5-[[2-(1-piperidyl)ethylamino]methylene]-1-sec-butyl-2-thioxo-hexahydropyrimidine-4,6-dione 5-[[2-(1-piperidyl)ethylamino]methylene]-1-sec-butyl-2-thioxo-hexahydropyrimidine-4,6-dione 338.5
6802042 C20H16ClN3O2S 3-chloro-N-[(2-oxo-1-propyl-indolin-3-ylidene)amino]benzothiophene-2-carboxamide 3-chloro-N-[(2-oxo-1-propyl-indolin-3-ylidene)amino]benzothiophene-2-carboxamide 397.9
6802043 C24H16ClN3O2S N-[(1-benzyl-2-oxo-indolin-3-ylidene)amino]-3-chloro-benzothiophene-2-carboxamide N-[(1-benzyl-2-oxo-indolin-3-ylidene)amino]-3-chloro-benzothiophene-2-carboxamide 445.9
6802044 C23H14ClF3N4O2S 3-chloro-N-[[6-oxo-3-[[3-(trifluoromethyl)phenyl]hydrazono]cyclohexa-1,4-dien-1-yl]methyleneamino]benzothiophene-2-carboxamide 3-chloro-N-[[6-oxo-3-[[3-(trifluoromethyl)phenyl]hydrazono]cyclohexa-1,4-dien-1-yl]methyleneamino]benzothiophene-2-carboxamide 502.9
6802045 C17H12ClN3O4S 3-chloro-N'-[(5-methyl-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzothiophene-2-carbohydrazide 3-chloro-N'-[(5-methyl-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzothiophene-2-carbohydrazide 389.8
6802046 C20H17N3O3 2-(4-methylphenoxy)-N-[(2-oxo-1-prop-2-ynyl-indolin-3-ylidene)amino]acetamide 2-(4-methylphenoxy)-N-[(2-oxo-1-prop-2-ynyl-indolin-3-ylidene)amino]acetamide 347.4
6802047 C24H21N3O4 3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-[(2-methylphenoxy)methyl]quinazolin-4-one 3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-[(2-methylphenoxy)methyl]quinazolin-4-one 415.4
6802048 C22H23N3O4 5-[1-(4-ethoxyanilino)propylidene]-1-(o-tolyl)hexahydropyrimidine-2,4,6-trione 5-[1-(4-ethoxyanilino)propylidene]-1-(o-tolyl)hexahydropyrimidine-2,4,6-trione 393.4
6802049 C20H16BrN3O5 N'-[(5-bromo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(1-naphthyloxy)propanehydrazide N'-[(5-bromo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(1-naphthyloxy)propanehydrazide 458.3
6802050 C17H18N2O4 6-[[2-[(3,4,5-trimethoxyphenyl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-[(3,4,5-trimethoxyphenyl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 314.34
6802051 C24H20N2O4 3-benzyloxy-6-[5-(3-methoxyphenoxy)-1H-pyrimidin-6-ylidene]cyclohexa-2,4-dien-1-one 3-benzyloxy-6-[5-(3-methoxyphenoxy)-1H-pyrimidin-6-ylidene]cyclohexa-2,4-dien-1-one 400.4
6802052 C11H8O5 3-[hydroxy(methoxy)methylene]chromane-2,4-dione 3-[hydroxy(methoxy)methylene]chromane-2,4-dione 220.18
6802053 C27H22ClN5O2 3-(2-chlorophenyl)-N-[7-(4-methoxyphenyl)-5-phenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]prop-2-enamide 3-(2-chlorophenyl)-N-[7-(4-methoxyphenyl)-5-phenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]prop-2-enamide 483.9
6802054 C18H16N4O3 3-allyl-2-[2-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]quinazolin-4-one 3-allyl-2-[2-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]quinazolin-4-one 336.3
6802055 C16H11Br2N5O2S 4-bromo-6-[[[5-[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-1,3,4-thiadiazol-2-yl]amino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[[5-[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-1,3,4-thiadiazol-2-yl]amino]methylene]cyclohexa-2,4-dien-1-one 497.2
6802056 C14H16N6O4 5-(5H-[1,2,4]triazino[5,6-b]indol-3-ylhydrazono)pentane-1,2,3,4-tetrol 5-(5H-[1,2,4]triazino[5,6-b]indol-3-ylhydrazono)pentane-1,2,3,4-tetrol 332.31
6802057 C20H12Cl2N2OS 6-[[4-(1,3-benzothiazol-2-yl)anilino]methylene]-2,4-dichloro-cyclohexa-2,4-dien-1-one 6-[[4-(1,3-benzothiazol-2-yl)anilino]methylene]-2,4-dichloro-cyclohexa-2,4-dien-1-one 399.3
6802058 C20H18N4O 6-[4-(2-indan-1-ylidenehydrazino)-6-methyl-1H-pyrimidin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(2-indan-1-ylidenehydrazino)-6-methyl-1H-pyrimidin-2-ylidene]cyclohexa-2,4-dien-1-one 330.4
6802059 C23H27N5O2 4-(dimethylamino)-N-[[2-oxo-1-(1-piperidylmethyl)indolin-3-ylidene]amino]benzamide 4-(dimethylamino)-N-[[2-oxo-1-(1-piperidylmethyl)indolin-3-ylidene]amino]benzamide 405.5
6802060 C14H14N2O2 3-hydroxy-4-[1-(2-phenylhydrazino)ethylidene]cyclohexa-2,5-dien-1-one 3-hydroxy-4-[1-(2-phenylhydrazino)ethylidene]cyclohexa-2,5-dien-1-one 242.27
6802061 C22H13BrClN3O4 2-[2-(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)ethylidene]-3-(2-chloro-4-nitro-phenyl)-1H-quinazolin-4-one 2-[2-(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)ethylidene]-3-(2-chloro-4-nitro-phenyl)-1H-quinazolin-4-one 498.7
6802062 C21H20N8O4 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(3-ethoxyphenyl)-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(3-ethoxyphenyl)-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]triazole-4-carbohydrazide 448.4
6802063 C23H26N8O7 1-[2-(3,4-dimethoxyphenyl)ethyl]-5-[[2-(1,3,7-trimethyl-2,6-dioxo-purin-8-yl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 1-[2-(3,4-dimethoxyphenyl)ethyl]-5-[[2-(1,3,7-trimethyl-2,6-dioxo-purin-8-yl)hydrazino]methylene]hexahydropyrimidine-2,4,6-trione 526.5
6802064 C19H15N7O 1-[(5-methoxyindol-3-ylidene)methyl]-2-(5H-[1,2,4]triazino[5,6-b]indol-3-yl)hydrazine 1-[(5-methoxyindol-3-ylidene)methyl]-2-(5H-[1,2,4]triazino[5,6-b]indol-3-yl)hydrazine 357.4
6802065 C12H12N6O3S 3-methyl-4-[(4-methyl-3-nitro-phenyl)hydrazono]-5-oxo-pyrazole-1-carbothioamide 3-methyl-4-[(4-methyl-3-nitro-phenyl)hydrazono]-5-oxo-pyrazole-1-carbothioamide 320.33
6802066 C13H18BrN3O2S 1-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-tert-butyl-thiourea 1-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-tert-butyl-thiourea 360.27
6802067 C16H10N2O5 4,6-dioxo-5-(phenylhydrazono)chromene-2-carboxylic acid 4,6-dioxo-5-(phenylhydrazono)chromene-2-carboxylic acid 310.26
6802068 C19H21N5O3 5-[1-(3-imidazol-1-ylpropylamino)ethylidene]-1-(p-tolyl)hexahydropyrimidine-2,4,6-trione 5-[1-(3-imidazol-1-ylpropylamino)ethylidene]-1-(p-tolyl)hexahydropyrimidine-2,4,6-trione 367.4
6802069 C15H24N4O4 N'-[1-(1-butyl-2,4,6-trioxo-hexahydropyrimidin-5-ylidene)ethyl]pentanehydrazide N'-[1-(1-butyl-2,4,6-trioxo-hexahydropyrimidin-5-ylidene)ethyl]pentanehydrazide 324.38
6802070 C14H10Cl3N3O2S [2-[(2,4,6-trichlorophenyl)hydrazono]propylideneamino] thiophene-2-carboxylate [2-[(2,4,6-trichlorophenyl)hydrazono]propylideneamino] thiophene-2-carboxylate 390.7
6802071 C18H17N5O5 N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1,3,7-trimethyl-2,4-dioxo-pyrido[2,3-d]pyrimidine-6-carbohydrazide N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1,3,7-trimethyl-2,4-dioxo-pyrido[2,3-d]pyrimidine-6-carbohydrazide 383.4
6802072 C21H15N7O3 8-methyl-N-[[5-(3-nitrophenyl)-2-furyl]methyleneamino]-5H-[1,2,4]triazino[5,6-b]indol-3-amine 8-methyl-N-[[5-(3-nitrophenyl)-2-furyl]methyleneamino]-5H-[1,2,4]triazino[5,6-b]indol-3-amine 413.4
6802073 C19H18N4O4 3-methoxy-N-[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]benzamide 3-methoxy-N-[2-[2-(1-methyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]benzamide 366.4
6802074 C21H18N4O7 methyl 2-[3-[[2-(1,3-benzodioxole-5-carbonylamino)acetyl]hydrazono]-2-oxo-indolin-1-yl]acetate methyl 2-[3-[[2-(1,3-benzodioxole-5-carbonylamino)acetyl]hydrazono]-2-oxo-indolin-1-yl]acetate 438.4
6802075 C15H14N4O5 N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide 330.30
6802076 C20H21N3O5 N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-3-(2-methoxyphenyl)prop-2-enamide N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]-3-(2-methoxyphenyl)prop-2-enamide 383.4
6802077 C20H20ClN5O2S 2-[[5-(4-chlorophenyl)-4-ethyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]acetohydrazide 2-[[5-(4-chlorophenyl)-4-ethyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]acetohydrazide 429.9
6802078 C26H19N3O3S 1-(2-methoxyphenyl)-5-[(2-phenyl-1H-indol-3-yl)methylene]-2-thioxo-hexahydropyrimidine-4,6-dione 1-(2-methoxyphenyl)-5-[(2-phenyl-1H-indol-3-yl)methylene]-2-thioxo-hexahydropyrimidine-4,6-dione 453.5

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.