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 6,354,101 - 6,354,150 of 6,571,471
Page 127083 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6767953 C20H18N10O5 2-[[3-(4-amino-1,2,5-oxadiazol-3-yl)-5-[[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]triazol-4-yl]methylamino]benzamide 2-[[3-(4-amino-1,2,5-oxadiazol-3-yl)-5-[[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]triazol-4-yl]methylamino]benzamide 478.4
6767954 C21H16N5O2S+ N'-[[4-oxo-2-(2-pyridylsulfanyl)pyrido[1,2-a]pyrimidin-5-ium-3-ylidene]methyl]benzohydrazide N'-[[4-oxo-2-(2-pyridylsulfanyl)pyrido[1,2-a]pyrimidin-5-ium-3-ylidene]methyl]benzohydrazide 402.5
6767955 C14H11N3O2S 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 285.32
6767956 C14H11N3O2S 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 285.32
6767957 C14H11N3O2S 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 285.32
6767958 C14H11N3O2S 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]thiazol-4-one 285.32
6767959 C8H9N3OS [(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]thiourea [(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 195.24
6767960 C9H10N2O4 ethyl 1-hydroxy-6-(nitrosomethylene)pyridine-3-carboxylate ethyl 1-hydroxy-6-(nitrosomethylene)pyridine-3-carboxylate 210.19
6767961 C20H12Cl2N2O2 6-[4-(2,5-dichlorophenoxy)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(2,5-dichlorophenoxy)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 383.2
6767962 C19H26N3O6+ 3-[hydroxy-(3-morpholin-4-ium-4-ylpropylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(3-morpholin-4-ium-4-ylpropylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 392.4
6767963 C19H25N3O6 3-[hydroxy-(3-morpholinopropylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 3-[hydroxy-(3-morpholinopropylamino)methylene]-6,7-dimethoxy-1H-quinoline-2,4-dione 391.4
6767964 C16H16N2O4 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-hydroxy-benzohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-hydroxy-benzohydrazide 300.31
6767965 C22H28N5O2+3 2-methoxy-6-[[(2E)-2-[phenyl(1,3,5-triazoniatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[(2E)-2-[phenyl(1,3,5-triazoniatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 394.5
6767966 C22H25N5O2 2-methoxy-6-[[(2Z)-2-[phenyl(1,3,5-triazatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[(2Z)-2-[phenyl(1,3,5-triazatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 391.5
6767967 C22H28N5O2+3 2-methoxy-6-[[(2E)-2-[phenyl(1,3,5-triazoniatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[(2E)-2-[phenyl(1,3,5-triazoniatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 394.5
6767968 C22H25N5O2 2-methoxy-6-[[(2Z)-2-[phenyl(1,3,5-triazatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[(2Z)-2-[phenyl(1,3,5-triazatricyclo[3.3.1.13,7]decan-7-yl)methylene]hydrazino]methylene]cyclohexa-2,4-dien-1-one 391.5
6767969 C11H14N2O4 ethyl N-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamate ethyl N-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamate 238.24
6767970 C16H16N2O3 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 284.31
6767971 C14H14N8O4 1-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-triazole-4-carbohydrazide 358.31
6767972 C14H14N8O4 1-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-triazole-4-carbohydrazide 358.31
6767973 C16H12ClN3O 2-chloro-N'-(indol-3-ylidenemethyl)benzohydrazide 2-chloro-N'-(indol-3-ylidenemethyl)benzohydrazide 297.74
6767974 C19H17BrN2O3 2-[(3-bromo-5-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]isoindoline-1,3-dione 2-[(3-bromo-5-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]isoindoline-1,3-dione 401.3
6767975 C13H14N2O2 3-(ethylaminomethylene)-6-methoxy-quinolin-2-one 3-(ethylaminomethylene)-6-methoxy-quinolin-2-one 230.26
6767976 C27H20N2O3 6-[4-(4-benzyloxyphenoxy)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(4-benzyloxyphenoxy)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 420.5
6767977 C20H20N4O4 4-nitro-N'-[(8-oxo-1-azatricyclo[7.3.1.05,13]trideca-5,9(13)-dien-7-ylidene)methyl]benzohydrazide 4-nitro-N'-[(8-oxo-1-azatricyclo[7.3.1.05,13]trideca-5,9(13)-dien-7-ylidene)methyl]benzohydrazide 380.4
6767978 C20H23N3O3S 4-methyl-N'-[(8-oxo-1-azatricyclo[7.3.1.05,13]trideca-5,9(13)-dien-7-ylidene)methyl]benzenesulfonohydrazide 4-methyl-N'-[(8-oxo-1-azatricyclo[7.3.1.05,13]trideca-5,9(13)-dien-7-ylidene)methyl]benzenesulfonohydrazide 385.5
6767979 C20H22N4O6 N1',N6'-bis[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hexanedihydrazide N1',N6'-bis[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hexanedihydrazide 414.4
6767980 C20H22N4O6 N1',N6'-bis[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hexanedihydrazide N1',N6'-bis[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hexanedihydrazide 414.4
6767981 C20H22N4O6 N1',N6'-bis[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hexanedihydrazide N1',N6'-bis[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hexanedihydrazide 414.4
6767982 C16H16N2O4 N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-methylphenoxy)acetohydrazide N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-methylphenoxy)acetohydrazide 300.31
6767983 C16H15ClN2O4 2-(4-chloro-2-methyl-phenoxy)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(4-chloro-2-methyl-phenoxy)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 334.75
6767984 C23H17N3O2 N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-phenyl-quinoline-4-carbohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-phenyl-quinoline-4-carbohydrazide 367.4
6767985 C13H12N2O4 N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-methyl-furan-3-carbohydrazide N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-methyl-furan-3-carbohydrazide 260.24
6767986 C17H14N2O3 2-methyl-N'-[(2-oxo-1-naphthylidene)methyl]furan-3-carbohydrazide 2-methyl-N'-[(2-oxo-1-naphthylidene)methyl]furan-3-carbohydrazide 294.30
6767987 C13H10Br2N2O3 N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-methyl-furan-3-carbohydrazide N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-methyl-furan-3-carbohydrazide 402.04
6767988 C18H18N4O3S 2-ethoxy-6-[[[3-(2-methoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2-ethoxy-6-[[[3-(2-methoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 370.4
6767989 C19H16FN5O2 3-fluoro-N-[2-oxo-2-[2-[(3-phenylpyrazol-4-ylidene)methyl]hydrazino]ethyl]benzamide 3-fluoro-N-[2-oxo-2-[2-[(3-phenylpyrazol-4-ylidene)methyl]hydrazino]ethyl]benzamide 365.4
6767990 C19H16FN5O2 3-fluoro-N-[2-oxo-2-[2-[(3-phenylpyrazol-4-ylidene)methyl]hydrazino]ethyl]benzamide 3-fluoro-N-[2-oxo-2-[2-[(3-phenylpyrazol-4-ylidene)methyl]hydrazino]ethyl]benzamide 365.4
6767991 C20H19NO2 1-[(2-hydroxy-5-propyl-anilino)methylene]naphthalen-2-one 1-[(2-hydroxy-5-propyl-anilino)methylene]naphthalen-2-one 305.4
6767992 C24H18N2O4 4-[[(E)-3-(1,3-benzodioxol-5-yl)prop-2-enylidene]amino]-6-(5-methyl-3H-1,3-benzoxazol-2-ylidene)cyclohexa-2,4-dien-1-one 4-[[(E)-3-(1,3-benzodioxol-5-yl)prop-2-enylidene]amino]-6-(5-methyl-3H-1,3-benzoxazol-2-ylidene)cyclohexa-2,4-dien-1-one 398.4
6767993 C13H10Br2N6OS 2,4-dibromo-6-[[[3-(5-methyl-1H-pyrazol-3-yl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[3-(5-methyl-1H-pyrazol-3-yl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 458.13
6767994 C26H25N3O5 N-[(Z)-1-[[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-(4-methoxyphenyl)vinyl]benzamide N-[(Z)-1-[[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-(4-methoxyphenyl)vinyl]benzamide 459.5
6767995 C26H25N3O5 N-[(Z)-1-[[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-(4-methoxyphenyl)vinyl]benzamide N-[(Z)-1-[[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-(4-methoxyphenyl)vinyl]benzamide 459.5
6767996 C22H22N2O2 4-tert-butyl-N'-[(2-oxo-1-naphthylidene)methyl]benzohydrazide 4-tert-butyl-N'-[(2-oxo-1-naphthylidene)methyl]benzohydrazide 346.4
6767997 C16H15BrN2O4 5-bromo-N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-benzohydrazide 5-bromo-N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-benzohydrazide 379.20
6767998 C16H11ClN4O3 2-chloro-N'-(indol-3-ylidenemethyl)-4-nitro-benzohydrazide 2-chloro-N'-(indol-3-ylidenemethyl)-4-nitro-benzohydrazide 342.73
6767999 C18H19ClN4O4 2-chloro-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-4-nitro-benzohydrazide 2-chloro-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-4-nitro-benzohydrazide 390.8
6768000 C15H13ClN2O3 4-chloro-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 4-chloro-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 304.73
6768001 C22H19BrN3OS+ 6-benzyl-2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-6-ium-3-carbonitrile 6-benzyl-2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-6-ium-3-carbonitrile 453.4
6768002 C24H24BrN2O3S+ ethyl 6-benzyl-2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-6-ium-3-carboxylate ethyl 6-benzyl-2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-6-ium-3-carboxylate 500.4

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.