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 6,360,551 - 6,360,600 of 6,571,471
Page 127212 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6774498 C30H33N4O4+ (4R)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-isobutoxy-3-methoxy-phenyl)-5-(pyridin-1-ium-3-ylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-isobutoxy-3-methoxy-phenyl)-5-(pyridin-1-ium-3-ylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 513.6
6774499 C30H32N4O4 (4R)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-isobutoxy-3-methoxy-phenyl)-5-(3-pyridylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-isobutoxy-3-methoxy-phenyl)-5-(3-pyridylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 512.6
6774500 C21H21N3O3 (4R)-4-(3-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-propyl-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-4-(3-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-5-propyl-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 363.4
6774501 C18H16FN3O3S (5S)-5-[(4-fluorophenyl)methyl]-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]thiazol-4-one (5S)-5-[(4-fluorophenyl)methyl]-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]thiazol-4-one 373.4
6774502 C22H27N5O2S 3-(diethylamino)-6-[[[3-(3-isopropoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 3-(diethylamino)-6-[[[3-(3-isopropoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 425.5
6774503 C22H27N5O2S 3-(diethylamino)-6-[[[3-(3-isopropoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 3-(diethylamino)-6-[[[3-(3-isopropoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]cyclohexa-2,4-dien-1-one 425.5
6774504 C25H24N2O3 6-[4-(4-tert-butylphenoxy)-1H-quinazolin-2-ylidene]-2-methoxy-cyclohexa-2,4-dien-1-one 6-[4-(4-tert-butylphenoxy)-1H-quinazolin-2-ylidene]-2-methoxy-cyclohexa-2,4-dien-1-one 400.5
6774505 C19H20N5OS+ 6-(13-isopropyl-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-(13-isopropyl-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 366.5
6774506 C19H19N5OS 6-(13-isopropyl-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,7,11(16)-tetraen-4-ylidene)cyclohexa-2,4-dien-1-one 6-(13-isopropyl-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,7,11(16)-tetraen-4-ylidene)cyclohexa-2,4-dien-1-one 365.5
6774507 C18H19N3O4 N-(4-methoxyphenyl)-4-oxo-4-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]butanamide N-(4-methoxyphenyl)-4-oxo-4-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]butanamide 341.4
6774508 C18H19N3O4 N-(4-methoxyphenyl)-4-oxo-4-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]butanamide N-(4-methoxyphenyl)-4-oxo-4-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]butanamide 341.4
6774509 C18H24N4O4 ethyl 3-[[(2S,6R)-2,6-dimethylmorpholin-4-yl]hydrazono]-5-methoxy-indole-2-carboxylate ethyl 3-[[(2S,6R)-2,6-dimethylmorpholin-4-yl]hydrazono]-5-methoxy-indole-2-carboxylate 360.4
6774510 C22H23BrN3O+ 4-bromo-6-[[[4-(1-naphthylmethyl)piperazin-4-ium-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[[4-(1-naphthylmethyl)piperazin-4-ium-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 425.3
6774511 C22H22BrN3O 4-bromo-6-[[[4-(1-naphthylmethyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[[4-(1-naphthylmethyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 424.3
6774512 C19H13BrN4O2S2 5-amino-3-benzylsulfanyl-6-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one 5-amino-3-benzylsulfanyl-6-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one 473.4
6774513 C19H13BrN4O2S2 5-amino-3-benzylsulfanyl-6-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one 5-amino-3-benzylsulfanyl-6-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one 473.4
6774514 C22H30ClN4O+ 6-[[[4-[(4-chlorophenyl)methyl]piperazin-4-ium-1-yl]amino]methylene]-3-(diethylamino)cyclohexa-2,4-dien-1-one 6-[[[4-[(4-chlorophenyl)methyl]piperazin-4-ium-1-yl]amino]methylene]-3-(diethylamino)cyclohexa-2,4-dien-1-one 402.0
6774515 C22H29ClN4O 6-[[[4-[(4-chlorophenyl)methyl]piperazin-1-yl]amino]methylene]-3-(diethylamino)cyclohexa-2,4-dien-1-one 6-[[[4-[(4-chlorophenyl)methyl]piperazin-1-yl]amino]methylene]-3-(diethylamino)cyclohexa-2,4-dien-1-one 400.9
6774516 C20H18N2O3 2-(2-methylphenoxy)-N'-[(2-oxo-1-naphthylidene)methyl]acetohydrazide 2-(2-methylphenoxy)-N'-[(2-oxo-1-naphthylidene)methyl]acetohydrazide 334.4
6774517 C15H19N3O5 2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-N-[[(2R)-tetrahydrofuran-2-yl]methyl]acetamide 2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-N-[[(2R)-tetrahydrofuran-2-yl]methyl]acetamide 321.33
6774518 C15H19N3O5 2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-N-[[(2R)-tetrahydrofuran-2-yl]methyl]acetamide 2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-2-oxo-N-[[(2R)-tetrahydrofuran-2-yl]methyl]acetamide 321.33
6774519 C16H11ClN2O2S 3-chloro-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]benzothiophene-2-carbohydrazide 3-chloro-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]benzothiophene-2-carbohydrazide 330.8
6774520 C24H21N5O3S 2-[[5-(4-methoxyphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(4-methoxyphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 459.5
6774521 C19H17BrN2O4S 2-(2-bromo-4,5-dimethoxy-phenyl)-N'-[(3-oxobenzothiophen-2-ylidene)methyl]acetohydrazide 2-(2-bromo-4,5-dimethoxy-phenyl)-N'-[(3-oxobenzothiophen-2-ylidene)methyl]acetohydrazide 449.3
6774522 C19H17BrN2O4S 2-(2-bromo-4,5-dimethoxy-phenyl)-N'-[(3-oxobenzothiophen-2-ylidene)methyl]acetohydrazide 2-(2-bromo-4,5-dimethoxy-phenyl)-N'-[(3-oxobenzothiophen-2-ylidene)methyl]acetohydrazide 449.3
6774523 C20H21N5O3S 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 411.5
6774524 C20H21N5O3S 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[4-ethyl-5-(4-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 411.5
6774525 C27H27N5O4S N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 517.6
6774526 C27H27N5O4S N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 517.6
6774527 C18H19N4O3S+ 2-[(3-ethyl-1H-benzimidazol-3-ium-2-yl)sulfanyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[(3-ethyl-1H-benzimidazol-3-ium-2-yl)sulfanyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 371.4
6774528 C17H12BrN3O2 5-bromo-N'-[(2-oxo-1-naphthylidene)methyl]pyridine-3-carbohydrazide 5-bromo-N'-[(2-oxo-1-naphthylidene)methyl]pyridine-3-carbohydrazide 370.2
6774529 C17H15IN2O5 (3R)-N'-[(3-iodo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide (3R)-N'-[(3-iodo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide 454.22
6774530 C17H27N5O5 tert-butyl N-[(1R)-3-methyl-1-[[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methylamino]carbamoyl]butyl]carbamate tert-butyl N-[(1R)-3-methyl-1-[[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methylamino]carbamoyl]butyl]carbamate 381.4
6774531 C17H27N5O5 tert-butyl N-[(1R)-3-methyl-1-[[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methylamino]carbamoyl]butyl]carbamate tert-butyl N-[(1R)-3-methyl-1-[[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methylamino]carbamoyl]butyl]carbamate 381.4
6774532 C24H22BrN4O3S+ 2-[(3-benzyl-1H-benzimidazol-3-ium-2-yl)sulfanyl]-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[(3-benzyl-1H-benzimidazol-3-ium-2-yl)sulfanyl]-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 526.4
6774533 C24H22BrN4O3S+ 2-[(3-benzyl-1H-benzimidazol-3-ium-2-yl)sulfanyl]-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[(3-benzyl-1H-benzimidazol-3-ium-2-yl)sulfanyl]-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 526.4
6774534 C18H17N3O5 3-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-6,7-dimethoxy-2-methyl-quinazolin-4-one 3-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-6,7-dimethoxy-2-methyl-quinazolin-4-one 355.3
6774535 C18H17N3O5 3-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-6,7-dimethoxy-2-methyl-quinazolin-4-one 3-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-6,7-dimethoxy-2-methyl-quinazolin-4-one 355.3
6774536 C14H14NO4- 1-butyl-3-carboxy-2-oxo-quinolin-4-olate 1-butyl-3-carboxy-2-oxo-quinolin-4-olate 260.26
6774537 C18H15N4O3S2- [2-(benzenesulfonylimino)-4-methyl-thiazol-5-ylidene]-[(2Z)-2-benzylidenehydrazino]methanolate [2-(benzenesulfonylimino)-4-methyl-thiazol-5-ylidene]-[(2Z)-2-benzylidenehydrazino]methanolate 399.5
6774538 C22H29BrN4O3+2 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[4-(p-tolylmethyl)piperazine-1,4-diium-1-yl]acetohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[4-(p-tolylmethyl)piperazine-1,4-diium-1-yl]acetohydrazide 477.4
6774539 C22H27BrN4O3 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[4-(p-tolylmethyl)piperazin-1-yl]acetohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[4-(p-tolylmethyl)piperazin-1-yl]acetohydrazide 475.4
6774540 C21H18ClN7OS 2-[[5-(3-chlorophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-phenylpyrazol-4-ylidene)methyl]acetohydrazide 2-[[5-(3-chlorophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-phenylpyrazol-4-ylidene)methyl]acetohydrazide 451.9
6774541 C21H18ClN7OS 2-[[5-(3-chlorophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-phenylpyrazol-4-ylidene)methyl]acetohydrazide 2-[[5-(3-chlorophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-phenylpyrazol-4-ylidene)methyl]acetohydrazide 451.9
6774542 C27H32N2O5 N'-[(3-tert-butyl-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]-2-(3,4-dimethoxyphenyl)acetohydrazide N'-[(3-tert-butyl-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]-2-(3,4-dimethoxyphenyl)acetohydrazide 464.6
6774543 C27H32N2O5 N'-[(3-tert-butyl-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]-2-(3,4-dimethoxyphenyl)acetohydrazide N'-[(3-tert-butyl-2-oxo-6,7,8,9-tetrahydrodibenzofuran-1-ylidene)methyl]-2-(3,4-dimethoxyphenyl)acetohydrazide 464.6
6774544 C19H19N3O5 6,7-dimethoxy-3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-methyl-quinazolin-4-one 6,7-dimethoxy-3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-methyl-quinazolin-4-one 369.4
6774545 C19H19N3O5 6,7-dimethoxy-3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-methyl-quinazolin-4-one 6,7-dimethoxy-3-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-2-methyl-quinazolin-4-one 369.4
6774546 C17H19BrN4O2 5-bromo-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]pyridine-3-carbohydrazide 5-bromo-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]pyridine-3-carbohydrazide 391.3
6774547 C17H19BrN4O2 5-bromo-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]pyridine-3-carbohydrazide 5-bromo-N'-[[4-(diethylamino)-6-oxo-cyclohexa-2,4-dien-1-ylidene]methyl]pyridine-3-carbohydrazide 391.3

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.