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 6,431,851 - 6,431,900 of 6,571,471
Page 128638 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6847865 C17H14Br2N2OS 2-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-6-methyl-4,5,6,7-tetrahydrobenzothiophene-3-carbonitrile 2-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-6-methyl-4,5,6,7-tetrahydrobenzothiophene-3-carbonitrile 454.2
6847866 C23H30N4O3 N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[4-(p-tolylmethyl)piperazin-1-yl]acetohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[4-(p-tolylmethyl)piperazin-1-yl]acetohydrazide 410.5
6847867 C17H16N2O5 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide 328.32
6847868 C12H12N4O4 N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-oxo-1,4-dihydropyrazole-4-carbohydrazide N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-oxo-1,4-dihydropyrazole-4-carbohydrazide 276.25
6847869 C23H19ClN4O5 methyl 2-[[1-(2-chlorophenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]methylamino]-3-(1H-indol-3-yl)propanoate methyl 2-[[1-(2-chlorophenyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]methylamino]-3-(1H-indol-3-yl)propanoate 466.9
6847870 C21H21N5O4 1-[1-[1-(o-tolyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]propylamino]-3-phenyl-urea 1-[1-[1-(o-tolyl)-2,4,6-trioxo-hexahydropyrimidin-5-ylidene]propylamino]-3-phenyl-urea 407.4
6847871 C41H34N2O4 6-[[4-[4-[1-methyl-1-[4-[4-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]phenoxy]phenyl]ethyl]phenoxy]anilino]methylene]cyclohexa-2,4-dien-1-one 6-[[4-[4-[1-methyl-1-[4-[4-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]phenoxy]phenyl]ethyl]phenoxy]anilino]methylene]cyclohexa-2,4-dien-1-one 618.7
6847872 C25H26N2O5 4-[(4-ethoxyphenoxy)methyl]-N'-[1-(4-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)ethyl]benzohydrazide 4-[(4-ethoxyphenoxy)methyl]-N'-[1-(4-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)ethyl]benzohydrazide 434.5
6847873 C22H25N3O3 2-(4-tert-butylphenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 2-(4-tert-butylphenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 379.5
6847874 C18H16N4O2 2-[2-(indol-3-ylidenemethyl)hydrazino]-N-(o-tolyl)-2-oxo-acetamide 2-[2-(indol-3-ylidenemethyl)hydrazino]-N-(o-tolyl)-2-oxo-acetamide 320.3
6847875 C28H28N4O5S2 N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[3-(4-methoxyphenyl)-4-oxo-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-2-yl]sulfanyl]acetohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[3-(4-methoxyphenyl)-4-oxo-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-2-yl]sulfanyl]acetohydrazide 564.7
6847876 C27H26N4O5S2 N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[3-(4-methoxyphenyl)-4-oxo-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-2-yl]sulfanyl]acetohydrazide N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[3-(4-methoxyphenyl)-4-oxo-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-2-yl]sulfanyl]acetohydrazide 550.7
6847877 C17H10Br2N2O4 5-[(3-bromo-4-hydroxy-phenyl)methylene]-1-(3-bromophenyl)hexahydropyrimidine-2,4,6-trione 5-[(3-bromo-4-hydroxy-phenyl)methylene]-1-(3-bromophenyl)hexahydropyrimidine-2,4,6-trione 466.1
6847878 C22H26N4O 3-(diethylamino)-6-[[2-(4,6-dimethyl-2-quinolyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 3-(diethylamino)-6-[[2-(4,6-dimethyl-2-quinolyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 362.5
6847879 C15H14N2O4 6-[(2-hydroxy-4-methyl-anilino)methylene]-4-methyl-2-nitro-cyclohexa-2,4-dien-1-one 6-[(2-hydroxy-4-methyl-anilino)methylene]-4-methyl-2-nitro-cyclohexa-2,4-dien-1-one 286.28
6847880 C13H16N6O 5-[[4-(dimethylamino)phenyl]hydrazono]-N-methyl-imidazole-4-carboxamide 5-[[4-(dimethylamino)phenyl]hydrazono]-N-methyl-imidazole-4-carboxamide 272.31
6847881 C18H20N4O3 tert-butyl N-[[6-oxo-3-(phenylhydrazono)cyclohexa-1,4-dien-1-yl]methyleneamino]carbamate tert-butyl N-[[6-oxo-3-(phenylhydrazono)cyclohexa-1,4-dien-1-yl]methyleneamino]carbamate 340.4
6847882 C27H26BrN3O3 N-[[5-bromo-2-oxo-1-(2-phenylethyl)indolin-3-ylidene]amino]-2-(4-isopropylphenoxy)acetamide N-[[5-bromo-2-oxo-1-(2-phenylethyl)indolin-3-ylidene]amino]-2-(4-isopropylphenoxy)acetamide 520.4
6847883 C18H15BrN2O2 3-[(3-bromoanilino)methylene]-1-ethyl-quinoline-2,4-dione 3-[(3-bromoanilino)methylene]-1-ethyl-quinoline-2,4-dione 371.2
6847884 C17H20FN5O3 2-ethoxy-4-[[2-(5-fluoro-4-morpholino-pyrimidin-2-yl)hydrazino]methylene]cyclohexa-2,5-dien-1-one 2-ethoxy-4-[[2-(5-fluoro-4-morpholino-pyrimidin-2-yl)hydrazino]methylene]cyclohexa-2,5-dien-1-one 361.4
6847885 C41H34N2O4 6-[[3-[4-[1-methyl-1-[4-[3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]phenoxy]phenyl]ethyl]phenoxy]anilino]methylene]cyclohexa-2,4-dien-1-one 6-[[3-[4-[1-methyl-1-[4-[3-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]phenoxy]phenyl]ethyl]phenoxy]anilino]methylene]cyclohexa-2,4-dien-1-one 618.7
6847886 C27H26N4O4S2 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[4-oxo-3-(p-tolyl)-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-2-yl]sulfanyl]acetohydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[4-oxo-3-(p-tolyl)-5,6,7,8-tetrahydrobenzothiopheno[2,3-d]pyrimidin-2-yl]sulfanyl]acetohydrazide 534.7
6847887 C18H18Cl2N4O2S ethyl 5-[2-(2,4-dichloroanilino)-4H-1,3,4-thiadiazin-5-ylidene]-2,4-dimethyl-pyrrole-3-carboxylate ethyl 5-[2-(2,4-dichloroanilino)-4H-1,3,4-thiadiazin-5-ylidene]-2,4-dimethyl-pyrrole-3-carboxylate 425.3
6847888 C15H17N5O2 6-[[2-(6-morpholinopyridazin-3-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-(6-morpholinopyridazin-3-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 299.33
6847889 C17H18ClN5OS 2-(4-tert-butylthiazol-2-yl)-4-[(2-chlorophenyl)hydrazono]-5-methyl-pyrazol-3-one 2-(4-tert-butylthiazol-2-yl)-4-[(2-chlorophenyl)hydrazono]-5-methyl-pyrazol-3-one 375.9
6847890 C17H17N3O2 5-[(3,4-dimethylanilino)methylene]-1,4-dimethyl-2,6-dioxo-pyridine-3-carbonitrile 5-[(3,4-dimethylanilino)methylene]-1,4-dimethyl-2,6-dioxo-pyridine-3-carbonitrile 295.34
6847891 C17H13N3O5 4-[(2-methoxy-4-nitro-anilino)methylene]-2-phenyl-oxazol-5-one 4-[(2-methoxy-4-nitro-anilino)methylene]-2-phenyl-oxazol-5-one 339.30
6847892 C26H23N5O4 N'-[[1-[2-(3-methylanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]amino]-N-(m-tolyl)oxamide N'-[[1-[2-(3-methylanilino)-2-oxo-ethyl]-2-oxo-indolin-3-ylidene]amino]-N-(m-tolyl)oxamide 469.5
6847893 C11H12N6O2 4-amino-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethylamino]-1,2,5-oxadiazole-3-carboxamidine 4-amino-N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethylamino]-1,2,5-oxadiazole-3-carboxamidine 260.25
6847894 C18H15Cl2N3OS 5-[(3-chloroanilino)methylene]-3-[(2-chlorophenyl)methyl]-2-methylsulfanyl-imidazol-4-one 5-[(3-chloroanilino)methylene]-3-[(2-chlorophenyl)methyl]-2-methylsulfanyl-imidazol-4-one 392.3
6847895 C22H25N3O4 3-[2-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(3,4-dimethylphenyl)-3-oxo-propanamide 3-[2-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(3,4-dimethylphenyl)-3-oxo-propanamide 395.5
6847896 C17H16ClN3O4 4-chloro-N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 4-chloro-N-[2-[2-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 361.8
6847898 C19H16Cl2N4O3 2-(2,4-dichlorophenoxy)-N-[2-[2-(indol-3-ylidenemethyl)hydrazino]-2-oxo-ethyl]acetamide 2-(2,4-dichlorophenoxy)-N-[2-[2-(indol-3-ylidenemethyl)hydrazino]-2-oxo-ethyl]acetamide 419.3
6847899 C11H14N2O2 N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)propyl]acetohydrazide N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)propyl]acetohydrazide 206.24
6847900 C19H30N2O3 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]decanehydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]decanehydrazide 334.5
6847901 C17H15ClN4O 2-(3-chloroanilino)-N'-(indol-3-ylidenemethyl)acetohydrazide 2-(3-chloroanilino)-N'-(indol-3-ylidenemethyl)acetohydrazide 326.8
6847902 C22H18F3N2O2S+ (E)-1-[4-(difluoromethoxy)phenyl]-3-(2-fluoroanilino)-2-(3-methylpyridin-1-ium-1-yl)-3-sulfanyl-prop-2-en-1-one (E)-1-[4-(difluoromethoxy)phenyl]-3-(2-fluoroanilino)-2-(3-methylpyridin-1-ium-1-yl)-3-sulfanyl-prop-2-en-1-one 431.5
6847903 C16H10N4O3S 5-(2-furylmethylene)-2-[2-(2-oxoindol-3-yl)hydrazino]thiazol-4-one 5-(2-furylmethylene)-2-[2-(2-oxoindol-3-yl)hydrazino]thiazol-4-one 338.3
6847905 C20H22FN3O4 4-fluoro-N-[1-[[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-methyl-propyl]benzamide 4-fluoro-N-[1-[[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]carbamoyl]-2-methyl-propyl]benzamide 387.4
6847906 C16H16N4O3 3-(5-ethyl-3-oxo-2,4-dihydro-1H-1,2,4-triazepin-7-ylidene)-1-methyl-quinoline-2,4-dione 3-(5-ethyl-3-oxo-2,4-dihydro-1H-1,2,4-triazepin-7-ylidene)-1-methyl-quinoline-2,4-dione 312.32
6847907 C13H11BrN8O3 3-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-triazole-4-carbohydrazide 3-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-triazole-4-carbohydrazide 407.18
6847908 C16H20N2O2S ethyl (Z)-3-(4-tert-butylanilino)-2-cyano-3-sulfanyl-prop-2-enoate ethyl (Z)-3-(4-tert-butylanilino)-2-cyano-3-sulfanyl-prop-2-enoate 304.4
6847909 C16H9Br2ClN2O2 2-(4-chlorophenyl)-4-[(2,4-dibromoanilino)methylene]oxazol-5-one 2-(4-chlorophenyl)-4-[(2,4-dibromoanilino)methylene]oxazol-5-one 456.5
6847910 C9H9NO2 6-oxazolidin-2-ylidenecyclohexa-2,4-dien-1-one 6-oxazolidin-2-ylidenecyclohexa-2,4-dien-1-one 163.17
6847912 C21H16BrN3O3S N-[1-[[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamoyl]-2-(2-thienyl)vinyl]benzamide N-[1-[[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamoyl]-2-(2-thienyl)vinyl]benzamide 470.3
6847913 C18H18N6O4 3-[1-[(3-allyl-2-hydrazinylidene-4,5-dioxo-imidazolidin-1-yl)amino]ethylidene]-1-methyl-quinoline-2,4-dione 3-[1-[(3-allyl-2-hydrazinylidene-4,5-dioxo-imidazolidin-1-yl)amino]ethylidene]-1-methyl-quinoline-2,4-dione 382.4
6847914 C20H22N5OS+ 6-(12,12,14,14-tetramethyl-10-thia-3,5,6,8-tetraza-13-azoniatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,7,11(16)-tetraen-4-ylidene)cyclohexa-2,4-dien-1-one 6-(12,12,14,14-tetramethyl-10-thia-3,5,6,8-tetraza-13-azoniatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,7,11(16)-tetraen-4-ylidene)cyclohexa-2,4-dien-1-one 380.5
6847915 C19H20Cl2N2O3 N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2-isopropyl-5-methyl-phenoxy)acetohydrazide N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2-isopropyl-5-methyl-phenoxy)acetohydrazide 395.3
6847916 C20H16FN5O3 N-[2-[2-[1-(2-cyanoethyl)-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]-2-fluoro-benzamide N-[2-[2-[1-(2-cyanoethyl)-2-oxo-indolin-3-ylidene]hydrazino]-2-oxo-ethyl]-2-fluoro-benzamide 393.4
6847917 C27H22N4O4 2-[[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]acetyl]amino]-N-(p-tolyl)benzamide 2-[[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]acetyl]amino]-N-(p-tolyl)benzamide 466.5

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.