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 6,418,001 - 6,418,050 of 6,571,471
Page 128361 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6833567 C20H18N4O 1-[[2-(1H-benzimidazol-2-yl)-2-ethyl-hydrazino]methylene]naphthalen-2-one 1-[[2-(1H-benzimidazol-2-yl)-2-ethyl-hydrazino]methylene]naphthalen-2-one 330.4
6833568 C21H20Cl2N4O3 6,8-dichloro-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-2-imino-chromene-3-carbohydrazide 6,8-dichloro-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-2-imino-chromene-3-carbohydrazide 447.3
6833569 C21H14BrN3O2 N-[(Z)-(4-bromophenyl)methyleneamino]-2-cyano-3-(5-phenyl-2-furyl)prop-2-enamide N-[(Z)-(4-bromophenyl)methyleneamino]-2-cyano-3-(5-phenyl-2-furyl)prop-2-enamide 420.3
6833570 C26H31NO2 6-[[2-hydroxy-5-(3,5,7-trimethyl-1-adamantyl)anilino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-hydroxy-5-(3,5,7-trimethyl-1-adamantyl)anilino]methylene]cyclohexa-2,4-dien-1-one 389.5
6833571 C23H18N4O3 methyl 4-[2-(5-oxo-1,3-diphenyl-pyrazol-4-ylidene)hydrazino]benzoate methyl 4-[2-(5-oxo-1,3-diphenyl-pyrazol-4-ylidene)hydrazino]benzoate 398.4
6833572 C15H10Br2F3N3O3 N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[2-oxo-5-(trifluoromethyl)-1-pyridyl]acetohydrazide N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[2-oxo-5-(trifluoromethyl)-1-pyridyl]acetohydrazide 497.06
6833573 C21H16FN3O4 2-fluoro-N-[2-[[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]phenyl]benzamide 2-fluoro-N-[2-[[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]phenyl]benzamide 393.4
6833574 C10H9N3O 2H-isoquinolin-3-ylidene(nitroso)methanamine 2H-isoquinolin-3-ylidene(nitroso)methanamine 187.20
6833575 C25H19N5O4 2-(1-naphthyl)-N-[[3-[(4-nitrophenyl)hydrazono]-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]acetamide 2-(1-naphthyl)-N-[[3-[(4-nitrophenyl)hydrazono]-6-oxo-cyclohexa-1,4-dien-1-yl]methyleneamino]acetamide 453.4
6833576 C21H19N3OS N-[3-(phenylhydrazono)-4,5,6,7-tetrahydrobenzothiophen-2-ylidene]benzamide N-[3-(phenylhydrazono)-4,5,6,7-tetrahydrobenzothiophen-2-ylidene]benzamide 361.5
6833577 C18H26N2O3 3-nitro-6-[[(4-pentylcyclohexyl)amino]methylene]cyclohexa-2,4-dien-1-one 3-nitro-6-[[(4-pentylcyclohexyl)amino]methylene]cyclohexa-2,4-dien-1-one 318.4
6833578 C14H10N4O6 3-nitro-N'-[(5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 3-nitro-N'-[(5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 330.25
6833579 C21H16N2OS2 6-[[(2-benzylsulfanyl-1,3-benzothiazol-6-yl)amino]methylene]cyclohexa-2,4-dien-1-one 6-[[(2-benzylsulfanyl-1,3-benzothiazol-6-yl)amino]methylene]cyclohexa-2,4-dien-1-one 376.5
6833580 C18H13BrN4O6 3-[1-(2-bromo-4,6-dinitro-anilino)ethylidene]-1-methyl-quinoline-2,4-dione 3-[1-(2-bromo-4,6-dinitro-anilino)ethylidene]-1-methyl-quinoline-2,4-dione 461.2
6833581 C21H17BrN2O3 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-phenyl-benzohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-phenyl-benzohydrazide 425.3
6833582 C22H24N4O5S 2-[1-(4-butoxyphenyl)-2,5-dioxo-pyrrolidin-3-yl]-3-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]isothiourea 2-[1-(4-butoxyphenyl)-2,5-dioxo-pyrrolidin-3-yl]-3-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]isothiourea 456.5
6833583 C13H11BrN4O4 4-bromo-2-methoxy-6-[[2-(5-nitro-2-pyridyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-2-methoxy-6-[[2-(5-nitro-2-pyridyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 367.15
6833584 C16H14N6O5 2-(benzotriazol-1-yl)-N'-[(3-methoxy-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(benzotriazol-1-yl)-N'-[(3-methoxy-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 370.32
6833585 C25H20FN5O2S N-(2-fluorophenyl)-2-[[5-indol-3-ylidene-4-(4-methoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide N-(2-fluorophenyl)-2-[[5-indol-3-ylidene-4-(4-methoxyphenyl)-1H-1,2,4-triazol-3-yl]sulfanyl]acetamide 473.5
6833586 C14H11F3N6O 2-amino-3-(m-tolylhydrazono)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-5-one 2-amino-3-(m-tolylhydrazono)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-5-one 336.27
6833587 C24H20N3O2+ 1-benzyl-N'-[(2-oxo-1-naphthylidene)methyl]pyridin-1-ium-3-carbohydrazide 1-benzyl-N'-[(2-oxo-1-naphthylidene)methyl]pyridin-1-ium-3-carbohydrazide 382.4
6833588 C23H18BrN5O3S 3-[[2-[2-[[4-(4-bromophenyl)-5-phenyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]acetyl]hydrazino]methylene]-6-oxo-cyclohexa-1,4-dien-1-olate 3-[[2-[2-[[4-(4-bromophenyl)-5-phenyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]acetyl]hydrazino]methylene]-6-oxo-cyclohexa-1,4-dien-1-olate 524.4
6833589 C23H19BrN5O3S+ 2-[[4-(4-bromophenyl)-5-phenyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[[4-(4-bromophenyl)-5-phenyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 525.4
6833590 C22H18N4O3 6-[[5-(1H-benzimidazol-2-yl)-2-methyl-anilino]methylene]-4-methyl-2-nitro-cyclohexa-2,4-dien-1-one 6-[[5-(1H-benzimidazol-2-yl)-2-methyl-anilino]methylene]-4-methyl-2-nitro-cyclohexa-2,4-dien-1-one 386.4
6833591 C24H21N3O2S N-[(1-benzyl-2-oxo-indolin-3-ylidene)amino]-4,5,6,7-tetrahydrobenzothiophene-2-carboxamide N-[(1-benzyl-2-oxo-indolin-3-ylidene)amino]-4,5,6,7-tetrahydrobenzothiophene-2-carboxamide 415.5
6833592 C19H22ClN3O4 2-(1-adamantyl)-N'-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-(1-adamantyl)-N'-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 391.8
6833593 C13H15N3O 4-(aminomethylene)-2-(2-ethylphenyl)-5-methyl-pyrazol-3-one 4-(aminomethylene)-2-(2-ethylphenyl)-5-methyl-pyrazol-3-one 229.28
6833594 C20H19ClF3N3O4 4-[2-[(3-chloro-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-N-[3-(trifluoromethyl)phenyl]butanamide 4-[2-[(3-chloro-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-N-[3-(trifluoromethyl)phenyl]butanamide 457.8
6833595 C18H13N3O2 1-[[2-(1,3-benzoxazol-2-yl)hydrazino]methylene]naphthalen-2-one 1-[[2-(1,3-benzoxazol-2-yl)hydrazino]methylene]naphthalen-2-one 303.3
6833596 C26H20N6O4S 2-[4-(4-methoxyphenyl)thiazol-2-yl]-4-(m-tolylhydrazono)-5-(4-nitrophenyl)pyrazol-3-one 2-[4-(4-methoxyphenyl)thiazol-2-yl]-4-(m-tolylhydrazono)-5-(4-nitrophenyl)pyrazol-3-one 512.5
6833597 C22H17N3O3S N-[[4-(3H-1,3-benzoxazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]-2-methyl-benzamide N-[[4-(3H-1,3-benzoxazol-2-ylidene)-3-oxo-cyclohexa-1,5-dien-1-yl]carbamothioyl]-2-methyl-benzamide 403.5
6833598 C14H12BrN3O4 N-[2-[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]furan-2-carboxamide N-[2-[2-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]furan-2-carboxamide 366.17
6833599 C13H13NO4 ethyl 2-(6-methyl-2-oxo-4H-1,4-benzoxazin-3-ylidene)acetate 787-65-5 247.25
6833600 C22H15N5O3 1-acridin-9-yl-3-[(5-cyano-4-methyl-2,6-dioxo-3-pyridylidene)methyl]urea 1-acridin-9-yl-3-[(5-cyano-4-methyl-2,6-dioxo-3-pyridylidene)methyl]urea 397.4
6833601 C25H22BrN7O3 8-[2-(5-bromo-1-cinnamyl-2-oxo-indolin-3-ylidene)hydrazino]-1,3,7-trimethyl-purine-2,6-dione 8-[2-(5-bromo-1-cinnamyl-2-oxo-indolin-3-ylidene)hydrazino]-1,3,7-trimethyl-purine-2,6-dione 548.4
6833602 C16H10Cl2N2O 4-[(2,6-dichlorophenyl)hydrazono]naphthalen-1-one 4-[(2,6-dichlorophenyl)hydrazono]naphthalen-1-one 317.2
6833603 C24H22N4O2S2 6-[3-[2-(4a,10a-dihydrophenothiazin-10-yl)-2-oxo-ethyl]sulfanyl-4-ethyl-1H-1,2,4-triazol-5-ylidene]cyclohexa-2,4-dien-1-one 6-[3-[2-(4a,10a-dihydrophenothiazin-10-yl)-2-oxo-ethyl]sulfanyl-4-ethyl-1H-1,2,4-triazol-5-ylidene]cyclohexa-2,4-dien-1-one 462.6
6833604 C22H18N2O2 1-methyl-3-[1-(1-naphthylamino)ethylidene]quinoline-2,4-dione 1-methyl-3-[1-(1-naphthylamino)ethylidene]quinoline-2,4-dione 342.4
6833605 C21H15IN2O2 4-iodo-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 4-iodo-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 454.3
6833606 C21H14Br2N2O3 2,4-dibromo-3-hydroxy-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-3-hydroxy-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 502.2
6833607 C15H14BrClN2O 6-[(2-aminoanilino)methylene]-2-bromo-4-chloro-3,5-dimethyl-cyclohexa-2,4-dien-1-one 6-[(2-aminoanilino)methylene]-2-bromo-4-chloro-3,5-dimethyl-cyclohexa-2,4-dien-1-one 353.64
6833608 C25H18N2O2 1-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]naphthalen-2-one 1-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]naphthalen-2-one 378.4
6833609 C23H18Br2N2O3 2,4-dibromo-6-[[[2-(3,4-dimethylphenyl)-1,3-benzoxazol-5-yl]amino]methylene]-3-hydroxy-5-methyl-cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[2-(3,4-dimethylphenyl)-1,3-benzoxazol-5-yl]amino]methylene]-3-hydroxy-5-methyl-cyclohexa-2,4-dien-1-one 530.2
6833610 C21H14BrClN2O2 2-bromo-4-chloro-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 2-bromo-4-chloro-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 441.7
6833611 C22H17BrN2O3 4-bromo-2-methoxy-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-2-methoxy-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 437.3
6833612 C17H17F3N4O3 N'-[[5-(hydroxymethyl)-2-methyl-3-oxo-4-pyridylidene]methyl]-2-[3-(trifluoromethyl)anilino]acetohydrazide N'-[[5-(hydroxymethyl)-2-methyl-3-oxo-4-pyridylidene]methyl]-2-[3-(trifluoromethyl)anilino]acetohydrazide 382.34
6833613 C18H16ClN3O 4-chloro-N'-[(7-ethylindol-3-ylidene)methyl]benzohydrazide 4-chloro-N'-[(7-ethylindol-3-ylidene)methyl]benzohydrazide 325.8
6833614 C16H13BrClN3O3 N-(2-bromophenyl)-3-[2-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-3-oxo-propanamide N-(2-bromophenyl)-3-[2-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-3-oxo-propanamide 410.6
6833615 C21H15BrN2O2 4-bromo-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[4-(4-methyl-1,3-benzoxazol-2-yl)anilino]methylene]cyclohexa-2,4-dien-1-one 407.3
6833616 C15H13ClN2O4 3-chloro-N'-[1-(6-methyl-2,4-dioxo-pyran-3-ylidene)ethyl]benzohydrazide 3-chloro-N'-[1-(6-methyl-2,4-dioxo-pyran-3-ylidene)ethyl]benzohydrazide 320.73

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.