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 6,421,601 - 6,421,650 of 6,571,471
Page 128433 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6837266 C9H9N5O [(3-aminoisoindol-1-ylidene)amino]urea [(3-aminoisoindol-1-ylidene)amino]urea 203.20
6837267 C10H11N2O+ hydroxy-(1H-indol-3-ylmethylene)-methyl-ammonium hydroxy-(1H-indol-3-ylmethylene)-methyl-ammonium 175.21
6837268 C13H17BrN3O2+ N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-pyrrolidin-1-ium-1-yl-acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-pyrrolidin-1-ium-1-yl-acetohydrazide 327.20
6837269 C14H20N3O2+ N'-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-pyrrolidin-1-ium-1-yl-acetohydrazide N'-[(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-pyrrolidin-1-ium-1-yl-acetohydrazide 262.33
6837270 C17H13NO5 6-hydroxy-2-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-1H-quinoline-4-carboxylic acid 6-hydroxy-2-(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)-1H-quinoline-4-carboxylic acid 311.29
6837271 C9H9N3O2S 4-(5-amino-3H-1,3,4-thiadiazol-2-ylidene)-2-methoxy-cyclohexa-2,5-dien-1-one 4-(5-amino-3H-1,3,4-thiadiazol-2-ylidene)-2-methoxy-cyclohexa-2,5-dien-1-one 223.25
6837272 C14H16N4O4 N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(5-oxopyrazolidin-3-ylidene)acetohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(5-oxopyrazolidin-3-ylidene)acetohydrazide 304.30
6837273 C17H15N3OS 6-[[2-(5-methyl-4-phenyl-thiazol-2-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 6-[[2-(5-methyl-4-phenyl-thiazol-2-yl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 309.4
6837274 C16H15ClN2O2 6-[5-(4-chlorophenyl)pyrazolidin-3-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 6-[5-(4-chlorophenyl)pyrazolidin-3-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 302.75
6837275 C15H12Cl2N2O 6-[5-(2,4-dichlorophenyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 6-[5-(2,4-dichlorophenyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 307.2
6837276 C15H13ClN2O 6-[5-(2-chlorophenyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 6-[5-(2-chlorophenyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 272.73
6837277 C14H14N2O2S 3-methoxy-6-[5-(2-thienyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 3-methoxy-6-[5-(2-thienyl)pyrazolidin-3-ylidene]cyclohexa-2,4-dien-1-one 274.34
6837278 C14H13BrN3O2+ N'-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-pyridin-1-ium-3-yl-acetohydrazide N'-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-pyridin-1-ium-3-yl-acetohydrazide 335.18
6837279 C7H5N2O4- 4-nitro-6-[(oxidoamino)methylene]cyclohexa-2,4-dien-1-one 4-nitro-6-[(oxidoamino)methylene]cyclohexa-2,4-dien-1-one 181.13
6837280 C16H26N4O3+2 N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-methylpiperazine-1,4-diium-1-yl)propanehydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-methylpiperazine-1,4-diium-1-yl)propanehydrazide 322.40
6837281 C19H14N5O+ 3-methyl-1-oxo-2-[(3-pyridylamino)methylene]-5H-pyrido[1,2-a]benzimidazol-10-ium-4-carbonitrile 3-methyl-1-oxo-2-[(3-pyridylamino)methylene]-5H-pyrido[1,2-a]benzimidazol-10-ium-4-carbonitrile 328.3
6837282 C17H12NO3- 8-methyl-2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-quinoline-4-carboxylate 8-methyl-2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-quinoline-4-carboxylate 278.28
6837283 C20H16N5O+ 2-pyridin-1-ium-4-yl-N'-(pyrrol-2-ylidenemethyl)quinoline-4-carbohydrazide 2-pyridin-1-ium-4-yl-N'-(pyrrol-2-ylidenemethyl)quinoline-4-carbohydrazide 342.4
6837284 C15H24N4O3+2 N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-methylpiperazine-1,4-diium-1-yl)propanehydrazide N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-methylpiperazine-1,4-diium-1-yl)propanehydrazide 308.38
6837285 C16H16N3O3+ N-(4,6-dimethylpyridin-1-ium-2-yl)-3-(4-nitrophenyl)prop-2-enamide N-(4,6-dimethylpyridin-1-ium-2-yl)-3-(4-nitrophenyl)prop-2-enamide 298.32
6837286 C18H22N3O2+ 4-[[(4-benzylpiperazin-4-ium-1-yl)amino]methylene]-2-hydroxy-cyclohexa-2,5-dien-1-one 4-[[(4-benzylpiperazin-4-ium-1-yl)amino]methylene]-2-hydroxy-cyclohexa-2,5-dien-1-one 312.4
6837287 C17H17N2O3+ 3-(1,3-benzodioxol-5-yl)-N-(4,6-dimethylpyridin-1-ium-2-yl)prop-2-enamide 3-(1,3-benzodioxol-5-yl)-N-(4,6-dimethylpyridin-1-ium-2-yl)prop-2-enamide 297.33
6837288 C16H16BrN2O+ 3-(4-bromophenyl)-N-(4,6-dimethylpyridin-1-ium-2-yl)prop-2-enamide 3-(4-bromophenyl)-N-(4,6-dimethylpyridin-1-ium-2-yl)prop-2-enamide 332.21
6837289 C13H13N2OS+ N-(6-methylpyridin-1-ium-2-yl)-3-(2-thienyl)prop-2-enamide N-(6-methylpyridin-1-ium-2-yl)-3-(2-thienyl)prop-2-enamide 245.32
6837292 C11H11N2O2+ (8-hydroxy-1H-quinolin-2-ylidene)methyl-methyl-oxo-ammonium (8-hydroxy-1H-quinolin-2-ylidene)methyl-methyl-oxo-ammonium 203.22
6837293 C15H13N3O3 3-(5-tetrahydrofuran-2-yl-1,2,4-oxadiazol-3-ylidene)quinolin-2-one 3-(5-tetrahydrofuran-2-yl-1,2,4-oxadiazol-3-ylidene)quinolin-2-one 283.28
6837294 C23H23N2O3S+ 8-(azepan-1-ium-1-ylmethyl)-3-(3H-1,3-benzothiazol-2-ylidene)chromene-2,7-dione 8-(azepan-1-ium-1-ylmethyl)-3-(3H-1,3-benzothiazol-2-ylidene)chromene-2,7-dione 407.5
6837295 C23H23N2O3S+ 3-(3H-1,3-benzothiazol-2-ylidene)-8-[(2-methylpiperidin-1-ium-1-yl)methyl]chromene-2,7-dione 3-(3H-1,3-benzothiazol-2-ylidene)-8-[(2-methylpiperidin-1-ium-1-yl)methyl]chromene-2,7-dione 407.5
6837296 C16H8Br2NO3- 6-bromo-2-(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1H-quinoline-4-carboxylate 6-bromo-2-(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1H-quinoline-4-carboxylate 422.05
6837297 C19H23N2O4S2- amino-[2-(4-ethoxyphenyl)sulfonylimino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophen-3-ylidene]methanolate amino-[2-(4-ethoxyphenyl)sulfonylimino-4,5,6,7,8,9-hexahydrocycloocta[b]thiophen-3-ylidene]methanolate 407.5
6837298 C16H17N2O5S2- amino-[2-(3,4-dimethoxyphenyl)sulfonylimino-5,6-dihydro-4H-cyclopenta[b]thiophen-3-ylidene]methanolate amino-[2-(3,4-dimethoxyphenyl)sulfonylimino-5,6-dihydro-4H-cyclopenta[b]thiophen-3-ylidene]methanolate 381.5
6837299 C25H20N5O+ N'-[(2-methylindol-3-ylidene)methyl]-2-pyridin-1-ium-4-yl-quinoline-4-carbohydrazide N'-[(2-methylindol-3-ylidene)methyl]-2-pyridin-1-ium-4-yl-quinoline-4-carbohydrazide 406.5
6837300 C28H22N3O5S+ ethyl 5-(1,3-benzodioxol-5-yl)-3-oxo-7-phenyl-2-(4-pyridylmethylene)-5,8-dihydrothiazolo[3,2-a]pyrimidin-4-ium-6-carboxylate ethyl 5-(1,3-benzodioxol-5-yl)-3-oxo-7-phenyl-2-(4-pyridylmethylene)-5,8-dihydrothiazolo[3,2-a]pyrimidin-4-ium-6-carboxylate 512.6
6837301 C17H17N4O3S+ 2-(1H-benzimidazol-3-ium-2-ylsulfanyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]propanehydrazide 2-(1H-benzimidazol-3-ium-2-ylsulfanyl)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]propanehydrazide 357.4
6837302 C12H15BrN2O3 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]butanehydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]butanehydrazide 315.16
6837303 C18H25N6O3+ 4-[[(4-methylpiperazin-4-ium-1-yl)amino]methylene]-2-(4-nitrophenyl)-5-propyl-pyrazol-3-one 4-[[(4-methylpiperazin-4-ium-1-yl)amino]methylene]-2-(4-nitrophenyl)-5-propyl-pyrazol-3-one 373.4
6837304 C21H27N4O3+ N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-phenylpiperazin-1-ium-1-yl)propanehydrazide N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(4-phenylpiperazin-1-ium-1-yl)propanehydrazide 383.5
6837305 C20H24BrN4O5S+ 2-[4-(4-bromophenyl)sulfonylpiperazin-1-ium-1-yl]-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[4-(4-bromophenyl)sulfonylpiperazin-1-ium-1-yl]-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 512.4
6837306 C15H14FN2O3S2- amino-[2-(4-fluorophenyl)sulfonylimino-4,5,6,7-tetrahydrobenzothiophen-3-ylidene]methanolate amino-[2-(4-fluorophenyl)sulfonylimino-4,5,6,7-tetrahydrobenzothiophen-3-ylidene]methanolate 353.4
6837307 C17H14BrN4O3+ 5-[[(5-bromopyridin-1-ium-2-yl)amino]methylene]-1-(m-tolyl)hexahydropyrimidine-2,4,6-trione 5-[[(5-bromopyridin-1-ium-2-yl)amino]methylene]-1-(m-tolyl)hexahydropyrimidine-2,4,6-trione 402.2
6837308 C18H12N2O3S 3-(3-hydroxyphenyl)-5-(1H-indol-3-ylmethylene)thiazolidine-2,4-dione 3-(3-hydroxyphenyl)-5-(1H-indol-3-ylmethylene)thiazolidine-2,4-dione 336.4
6837309 C15H12FN3O3S 5-(5-fluoro-2-oxo-indolin-3-ylidene)-2-morpholino-thiazol-4-one 5-(5-fluoro-2-oxo-indolin-3-ylidene)-2-morpholino-thiazol-4-one 333.3
6837310 C19H16N2O5S2 5-[(4-hydroxy-3-methoxy-phenyl)methylene]-3-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-2-thioxo-thiazolidin-4-one 5-[(4-hydroxy-3-methoxy-phenyl)methylene]-3-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-2-thioxo-thiazolidin-4-one 416.5
6837311 C18H11N5O5S2 3-(2,4-dinitroanilino)-5-(1H-indol-3-ylmethylene)-2-thioxo-thiazolidin-4-one 3-(2,4-dinitroanilino)-5-(1H-indol-3-ylmethylene)-2-thioxo-thiazolidin-4-one 441.4
6837312 C22H20N4OS 5-(1H-indol-3-ylmethylene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 5-(1H-indol-3-ylmethylene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 388.5
6837313 C21H18N4O2S 5-(2-oxoindolin-3-ylidene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 5-(2-oxoindolin-3-ylidene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 390.5
6837314 C21H17BrN4O2S 5-(5-bromo-2-oxo-indolin-3-ylidene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 5-(5-bromo-2-oxo-indolin-3-ylidene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 469.4
6837315 C21H17FN4O2S 5-(5-fluoro-2-oxo-indolin-3-ylidene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 5-(5-fluoro-2-oxo-indolin-3-ylidene)-2-(4-phenylpiperazin-1-yl)thiazol-4-one 408.5
6837316 C19H10N4O3S2 5-(2-oxoindolin-3-ylidene)-3-[(2-oxoindol-3-yl)amino]-2-thioxo-thiazolidin-4-one 5-(2-oxoindolin-3-ylidene)-3-[(2-oxoindol-3-yl)amino]-2-thioxo-thiazolidin-4-one 406.4
6837317 C17H11BrN4O2S2 3-allyl-5-(5-bromo-2-oxo-indolin-3-ylidene)-2-thiazol-2-ylimino-thiazolidin-4-one 3-allyl-5-(5-bromo-2-oxo-indolin-3-ylidene)-2-thiazol-2-ylimino-thiazolidin-4-one 447.3

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.