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 6,332,201 - 6,332,250 of 6,571,471
Page 126645 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6745447 C15H14N3O2+ [amino(3-pyridyl)methylene]-(3-phenylprop-2-enoyloxy)ammonium [amino(3-pyridyl)methylene]-(3-phenylprop-2-enoyloxy)ammonium 268.29
6745448 C15H13N3O2 [(E)-[amino(3-pyridyl)methylene]amino] 3-phenylprop-2-enoate [(E)-[amino(3-pyridyl)methylene]amino] 3-phenylprop-2-enoate 267.28
6745449 C18H18N2O4 6-[5-(3,4-dimethoxyphenyl)-1,2-dihydropyrazol-3-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 6-[5-(3,4-dimethoxyphenyl)-1,2-dihydropyrazol-3-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 326.3
6745450 C12H12O4 methyl 4-hydroxy-2-oxo-4-(p-tolyl)but-3-enoate methyl 4-hydroxy-2-oxo-4-(p-tolyl)but-3-enoate 220.22
6745451 C17H18N2O3S 2-[(4-methoxyphenyl)methylsulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[(4-methoxyphenyl)methylsulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 330.4
6745452 C17H18N2O3S 2-[(4-methoxyphenyl)methylsulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[(4-methoxyphenyl)methylsulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 330.4
6745453 C13H14O5 methyl 4-(4-ethoxyphenyl)-4-hydroxy-2-oxo-but-3-enoate methyl 4-(4-ethoxyphenyl)-4-hydroxy-2-oxo-but-3-enoate 250.25
6745454 C17H18N2O2S N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(p-tolylmethylsulfanyl)acetohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(p-tolylmethylsulfanyl)acetohydrazide 314.4
6745455 C17H18N2O2S N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(p-tolylmethylsulfanyl)acetohydrazide N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-2-(p-tolylmethylsulfanyl)acetohydrazide 314.4
6745456 C19H16N2O4 1-(3,4-dimethylphenyl)-5-[(4-hydroxyphenyl)methylene]hexahydropyrimidine-2,4,6-trione 1-(3,4-dimethylphenyl)-5-[(4-hydroxyphenyl)methylene]hexahydropyrimidine-2,4,6-trione 336.3
6745457 C18H14N2O2 (3E)-3-(2-oxo-4-phenyl-but-3-enylidene)-1,4-dihydroquinoxalin-2-one (3E)-3-(2-oxo-4-phenyl-but-3-enylidene)-1,4-dihydroquinoxalin-2-one 290.3
6745458 C14H18FN3O3 1-[(2R)-5-(4-fluorophenyl)-3-hydroxy-2,4,4-trimethyl-1-oxido-imidazol-1-ium-2-yl]ethanone oxime 1-[(2R)-5-(4-fluorophenyl)-3-hydroxy-2,4,4-trimethyl-1-oxido-imidazol-1-ium-2-yl]ethanone oxime 295.31
6745459 C16H20ClN3O3 (5S)-3-(4-chlorophenyl)-1-hydroxy-2,2-dimethyl-4-oxido-1-aza-4-azoniaspiro[4.5]dec-3-en-6-one oxime (5S)-3-(4-chlorophenyl)-1-hydroxy-2,2-dimethyl-4-oxido-1-aza-4-azoniaspiro[4.5]dec-3-en-6-one oxime 337.80
6745460 C18H15ClN2O2 2-(3-chloro-4-methyl-phenyl)-5-methyl-4-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-pyrazol-3-one 2-(3-chloro-4-methyl-phenyl)-5-methyl-4-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-pyrazol-3-one 326.8
6745461 C15H9ClFN3O 3-[2-[(2-chloro-6-fluoro-phenyl)methylene]hydrazino]indol-2-one 3-[2-[(2-chloro-6-fluoro-phenyl)methylene]hydrazino]indol-2-one 301.70
6745462 C13H12N5O2+ [[amino(2-pyridyl)methylene]amino]-[(3-nitrophenyl)methylene]ammonium [[amino(2-pyridyl)methylene]amino]-[(3-nitrophenyl)methylene]ammonium 270.27
6745463 C13H11N5O2 N'-[(Z)-(3-nitrophenyl)methyleneamino]pyridine-2-carboxamidine N'-[(Z)-(3-nitrophenyl)methyleneamino]pyridine-2-carboxamidine 269.26
6745464 C16H16N4O5 N'-[(3-ethoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide N'-[(3-ethoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide 344.32
6745465 C16H16N4O5 N'-[(3-ethoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide N'-[(3-ethoxy-5-nitro-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide 344.32
6745466 C16H15ClN2O2S (2S)-2-(4-chlorophenyl)sulfanyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide (2S)-2-(4-chlorophenyl)sulfanyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide 334.8
6745467 C16H15ClN2O2S (2S)-2-(4-chlorophenyl)sulfanyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide (2S)-2-(4-chlorophenyl)sulfanyl-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanehydrazide 334.8
6745468 C20H19N3O3 N'-[(4-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(1-naphthylamino)acetohydrazide N'-[(4-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(1-naphthylamino)acetohydrazide 349.4
6745469 C20H19N3O3 N'-[(4-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(1-naphthylamino)acetohydrazide N'-[(4-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(1-naphthylamino)acetohydrazide 349.4
6745470 C14H16N4O3 N'-[(4-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(4-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 288.30
6745471 C14H16N4O3 N'-[(4-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(4-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 288.30
6745472 C13H13N5O5 N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 319.27
6745473 C13H13N5O5 N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 319.27
6745474 C12H10ClN5O4 N'-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 323.69
6745475 C12H10ClN5O4 N'-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 323.69
6745476 C16H14N4O3 2-(benzimidazol-1-yl)-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(benzimidazol-1-yl)-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 310.31
6745477 C16H14N4O3 2-(benzimidazol-1-yl)-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(benzimidazol-1-yl)-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 310.31
6745478 C12H14N4OS [(2-oxo-1-propyl-indolin-3-ylidene)amino]thiourea [(2-oxo-1-propyl-indolin-3-ylidene)amino]thiourea 262.33
6745479 C16H20N4O2 N'-[(3-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(3-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 300.36
6745480 C16H20N4O2 N'-[(3-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(3-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 300.36
6745481 C13H13ClN4O3 N'-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 308.72
6745482 C13H13ClN4O3 N'-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(3-chloro-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 308.72
6745483 C16H16N4O3 N-[(E)-[3-(1,3-benzodioxol-5-yl)-1-methyl-prop-2-enylidene]amino]-5-methyl-1H-pyrazole-3-carboxamide N-[(E)-[3-(1,3-benzodioxol-5-yl)-1-methyl-prop-2-enylidene]amino]-5-methyl-1H-pyrazole-3-carboxamide 312.32
6745484 C16H21N5O2 N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 315.37
6745485 C16H21N5O2 N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 315.37
6745486 C19H23N3O3 2-methoxy-6-[[[4-(2-methoxyphenyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[[4-(2-methoxyphenyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 341.4
6745487 C19H23N3O3 2-methoxy-6-[[[4-(2-methoxyphenyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2-methoxy-6-[[[4-(2-methoxyphenyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 341.4
6745488 C17H19N3O2 3-hydroxy-4-[[(4-phenylpiperazin-1-yl)amino]methylene]cyclohexa-2,5-dien-1-one 3-hydroxy-4-[[(4-phenylpiperazin-1-yl)amino]methylene]cyclohexa-2,5-dien-1-one 297.35
6745489 C17H19N3O2 3-hydroxy-4-[[(4-phenylpiperazin-1-yl)amino]methylene]cyclohexa-2,5-dien-1-one 3-hydroxy-4-[[(4-phenylpiperazin-1-yl)amino]methylene]cyclohexa-2,5-dien-1-one 297.35
6745490 C21H25N3O 2-allyl-6-[[[4-(p-tolyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2-allyl-6-[[[4-(p-tolyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 335.4
6745491 C21H25N3O 2-allyl-6-[[[4-(p-tolyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2-allyl-6-[[[4-(p-tolyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 335.4
6745492 C15H18N4O4 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[(4R)-3-methyl-5-oxo-1,4-dihydropyrazol-4-yl]acetohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[(4R)-3-methyl-5-oxo-1,4-dihydropyrazol-4-yl]acetohydrazide 318.33
6745493 C15H18N4O4 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[(4R)-3-methyl-5-oxo-1,4-dihydropyrazol-4-yl]acetohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[(4R)-3-methyl-5-oxo-1,4-dihydropyrazol-4-yl]acetohydrazide 318.33
6745494 C21H25N3O (Z)-N-[4-(2-methoxyphenyl)piperazin-1-yl]-2-methyl-3-phenyl-prop-2-en-1-imine (Z)-N-[4-(2-methoxyphenyl)piperazin-1-yl]-2-methyl-3-phenyl-prop-2-en-1-imine 335.4
6745495 C16H11BrN2O2 3-[2-(3-bromophenyl)-2-oxo-ethylidene]-1,4-dihydroquinoxalin-2-one 3-[2-(3-bromophenyl)-2-oxo-ethylidene]-1,4-dihydroquinoxalin-2-one 343.17
6745496 C18H14ClNO4 3-(4-chlorophenyl)-4-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2H-isoxazol-5-one 3-(4-chlorophenyl)-4-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2H-isoxazol-5-one 343.8

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.