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 6,334,851 - 6,334,900 of 6,571,471
Page 126698 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6748164 C13H11FN2OS 4-fluoro-6-[(5S)-5-(2-thienyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 4-fluoro-6-[(5S)-5-(2-thienyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 262.30
6748165 C10H10ClN6O2+ [amino-(4-amino-1,2,5-oxadiazol-3-yl)methylene]-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]ammonium [amino-(4-amino-1,2,5-oxadiazol-3-yl)methylene]-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]ammonium 281.68
6748166 C10H9ClN6O2 4-amino-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-1,2,5-oxadiazole-3-carboxamidine 4-amino-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-1,2,5-oxadiazole-3-carboxamidine 280.67
6748167 C18H16N4O2 4-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methylamino]benzamide 4-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methylamino]benzamide 320.3
6748168 C18H17N3O2 3,5-dimethyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 3,5-dimethyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 307.3
6748169 C18H17N3O2 3,5-dimethyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 3,5-dimethyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 307.3
6748170 C13H17N6O3+ [amino-(4-amino-1,2,5-oxadiazol-3-yl)methylene]-[1-(3,4-dimethoxyphenyl)ethylideneamino]ammonium [amino-(4-amino-1,2,5-oxadiazol-3-yl)methylene]-[1-(3,4-dimethoxyphenyl)ethylideneamino]ammonium 305.31
6748171 C13H16N6O3 4-amino-N'-[1-(3,4-dimethoxyphenyl)ethylideneamino]-1,2,5-oxadiazole-3-carboxamidine 4-amino-N'-[1-(3,4-dimethoxyphenyl)ethylideneamino]-1,2,5-oxadiazole-3-carboxamidine 304.30
6748172 C13H15N3O3 (3R)-2-oxo-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-3-carbohydrazide (3R)-2-oxo-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-3-carbohydrazide 261.28
6748173 C13H15N3O3 (3R)-2-oxo-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-3-carbohydrazide (3R)-2-oxo-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-3-carbohydrazide 261.28
6748174 C13H11ClN2OS 4-chloro-6-[(5S)-5-(2-thienyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 4-chloro-6-[(5S)-5-(2-thienyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 278.76
6748175 C19H19N3O3 4-[(2,4-dimethoxyanilino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 4-[(2,4-dimethoxyanilino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 337.4
6748176 C18H16ClN3O2 4-[(5-chloro-2-methoxy-anilino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 4-[(5-chloro-2-methoxy-anilino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 341.8
6748177 C18H17N3O3 N-[(E)-[3-(1,3-benzodioxol-5-yl)-1-methyl-prop-2-enylidene]amino]-6-methyl-pyridine-3-carboxamide N-[(E)-[3-(1,3-benzodioxol-5-yl)-1-methyl-prop-2-enylidene]amino]-6-methyl-pyridine-3-carboxamide 323.3
6748178 C15H16N4O2 N-[(Z)-(2-methyl-3-phenyl-prop-2-enylidene)amino]-2-(5-oxo-1,2-dihydropyrazol-3-yl)acetamide N-[(Z)-(2-methyl-3-phenyl-prop-2-enylidene)amino]-2-(5-oxo-1,2-dihydropyrazol-3-yl)acetamide 284.31
6748179 C17H16N2O5 methyl 4-[2-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]ethoxy]benzoate methyl 4-[2-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]ethoxy]benzoate 328.32
6748180 C19H19N3O3 N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]-2-(3-methylphenoxy)acetamide N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]-2-(3-methylphenoxy)acetamide 337.4
6748181 C17H18N2O4 3-[hydroxy-(2-methoxyanilino)methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 3-[hydroxy-(2-methoxyanilino)methylene]-5,6,7,8-tetrahydro-1H-quinoline-2,4-dione 314.34
6748182 C14H11N5O N'-(indol-3-ylidenemethyl)pyrazine-2-carbohydrazide N'-(indol-3-ylidenemethyl)pyrazine-2-carbohydrazide 265.27
6748183 C14H11N5O N'-(indol-3-ylidenemethyl)pyrazine-2-carbohydrazide N'-(indol-3-ylidenemethyl)pyrazine-2-carbohydrazide 265.27
6748184 C16H14N4O2S 2-methoxy-6-[[(3-phenyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[(3-phenyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]cyclohexa-2,4-dien-1-one 326.4
6748185 C16H14N4O2S 2-methoxy-6-[[(3-phenyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[(3-phenyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]cyclohexa-2,4-dien-1-one 326.4
6748186 C14H13N3O3 N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide 271.27
6748187 C14H13N3O3 N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide 271.27
6748189 C18H18N4O2 6-methyl-N-[(2-oxo-1-propyl-indolin-3-ylidene)amino]pyridine-3-carboxamide 6-methyl-N-[(2-oxo-1-propyl-indolin-3-ylidene)amino]pyridine-3-carboxamide 322.4
6748190 C16H14N4O3S 2-hydroxy-4-[[[3-(phenoxymethyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,5-dien-1-one 2-hydroxy-4-[[[3-(phenoxymethyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,5-dien-1-one 342.4
6748191 C16H14N4O3S 2-hydroxy-4-[[[3-(phenoxymethyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,5-dien-1-one 2-hydroxy-4-[[[3-(phenoxymethyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,5-dien-1-one 342.4
6748192 C20H25NO2 1-[(cycloheptylamino)methylene]-6,7,8,9-tetrahydrodibenzofuran-2-one 1-[(cycloheptylamino)methylene]-6,7,8,9-tetrahydrodibenzofuran-2-one 311.4
6748193 C14H12ClN3O3 N'-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-3-carbohydrazide N'-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-3-carbohydrazide 305.71
6748194 C14H16N4O3 N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 288.30
6748195 C14H16N4O3 N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 288.30
6748196 C17H17N3O4 2-[[(2,4-dioxo-5,6,7,8-tetrahydro-1H-quinolin-3-ylidene)-hydroxy-methyl]amino]benzamide 2-[[(2,4-dioxo-5,6,7,8-tetrahydro-1H-quinolin-3-ylidene)-hydroxy-methyl]amino]benzamide 327.33
6748197 C14H15N5O5 N'-[(5-ethoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-ethoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 333.30
6748198 C14H15N5O5 N'-[(5-ethoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-ethoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 333.30
6748199 C14H12N2O3S 3-methoxy-6-(5-methyl-4-thiazol-4-yl-isoxazol-3-ylidene)cyclohexa-2,4-dien-1-one 3-methoxy-6-(5-methyl-4-thiazol-4-yl-isoxazol-3-ylidene)cyclohexa-2,4-dien-1-one 288.32
6748200 C13H11NO2 4-(anilinomethylene)-3-hydroxy-cyclohexa-2,5-dien-1-one 4-(anilinomethylene)-3-hydroxy-cyclohexa-2,5-dien-1-one 213.23
6748201 C13H18N6O3 (5R)-5-[(dimethylhydrazono)methyl]-N,N-dimethyl-3-(4-nitrophenyl)-5H-1,2,4-oxadiazol-4-amine (5R)-5-[(dimethylhydrazono)methyl]-N,N-dimethyl-3-(4-nitrophenyl)-5H-1,2,4-oxadiazol-4-amine 306.32
6748202 C14H11N5OS 6-[[[3-(4-pyridyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 6-[[[3-(4-pyridyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 297.34
6748203 C14H11N5OS 6-[[[3-(4-pyridyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 6-[[[3-(4-pyridyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 297.34
6748204 C16H15N3O4S 4-[4-(2,5-dimethoxyphenyl)-5-thioxo-1,2,4-triazolidin-3-ylidene]-3-hydroxy-cyclohexa-2,5-dien-1-one 4-[4-(2,5-dimethoxyphenyl)-5-thioxo-1,2,4-triazolidin-3-ylidene]-3-hydroxy-cyclohexa-2,5-dien-1-one 345.4
6748205 C9H7BrN4O 2-bromo-6-[(1H-1,2,4-triazol-5-ylamino)methylene]cyclohexa-2,4-dien-1-one 2-bromo-6-[(1H-1,2,4-triazol-5-ylamino)methylene]cyclohexa-2,4-dien-1-one 267.08
6748206 C18H18N4O2 (2S)-3-(benzimidazol-1-yl)-2-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide (2S)-3-(benzimidazol-1-yl)-2-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide 322.4
6748207 C18H18N4O2 (2S)-3-(benzimidazol-1-yl)-2-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide (2S)-3-(benzimidazol-1-yl)-2-methyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide 322.4
6748208 C14H9ClN2OS 2-[[(5-chloro-2-pyridyl)amino]methylene]benzothiophen-3-one 2-[[(5-chloro-2-pyridyl)amino]methylene]benzothiophen-3-one 288.8
6748209 C12H13N6O3+ [amino-(4-amino-1,2,5-oxadiazol-3-yl)methylene]-[1-(1,3-benzodioxol-5-yl)ethylideneamino]ammonium [amino-(4-amino-1,2,5-oxadiazol-3-yl)methylene]-[1-(1,3-benzodioxol-5-yl)ethylideneamino]ammonium 289.27
6748210 C12H12N6O3 4-amino-N'-[1-(1,3-benzodioxol-5-yl)ethylideneamino]-1,2,5-oxadiazole-3-carboxamidine 4-amino-N'-[1-(1,3-benzodioxol-5-yl)ethylideneamino]-1,2,5-oxadiazole-3-carboxamidine 288.26
6748211 C17H14FN3O 4-[(3-fluoroanilino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 4-[(3-fluoroanilino)methylene]-5-methyl-2-phenyl-pyrazol-3-one 295.31
6748212 C15H12N2O5 6-[(2,3-dihydro-1,4-benzodioxin-6-ylamino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 6-[(2,3-dihydro-1,4-benzodioxin-6-ylamino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 300.27
6748213 C11H12N4O 6-[6-methyl-4-(methylamino)-1H-1,3,5-triazin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[6-methyl-4-(methylamino)-1H-1,3,5-triazin-2-ylidene]cyclohexa-2,4-dien-1-one 216.24
6748214 C16H15FN2O 4-fluoro-6-[(5S)-5-(p-tolyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 4-fluoro-6-[(5S)-5-(p-tolyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 270.30

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.