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 6,430,551 - 6,430,600 of 6,571,471
Page 128612 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6846519 C20H19BrN4O5 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(3,4-dimethoxyphenyl)-1H-pyrazole-5-carbohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-(3,4-dimethoxyphenyl)-1H-pyrazole-5-carbohydrazide 475.3
6846520 C19H21N3O3 1-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-3-(o-tolyl)urea 1-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-3-(o-tolyl)urea 339.4
6846521 C19H20BrN3O4 3-[2-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(2-ethylphenyl)-3-oxo-propanamide 3-[2-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(2-ethylphenyl)-3-oxo-propanamide 434.3
6846522 C19H22N4O2 3-[(7-ethylindol-3-ylidene)methylamino]-1,3-diazaspiro[4.5]decane-2,4-dione 3-[(7-ethylindol-3-ylidene)methylamino]-1,3-diazaspiro[4.5]decane-2,4-dione 338.4
6846523 C20H18BrN3O3 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-naphthylamino)acetohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(2-naphthylamino)acetohydrazide 428.3
6846524 C24H19N5O6 2-[(4-nitrophenyl)methylene]-N1',N3'-bis[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanedihydrazide 2-[(4-nitrophenyl)methylene]-N1',N3'-bis[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]propanedihydrazide 473.4
6846525 C19H13IN2O6S 3-[5-[(4-hydroxy-3-iodo-5-methoxy-phenyl)methylene]-4,6-dioxo-2-thioxo-hexahydropyrimidin-1-yl]benzoic acid 3-[5-[(4-hydroxy-3-iodo-5-methoxy-phenyl)methylene]-4,6-dioxo-2-thioxo-hexahydropyrimidin-1-yl]benzoic acid 524.3
6846526 C23H15IN2O4 2-(1,3-benzodioxol-5-yl)-4-[(3-iodoanilino)methylene]isoquinoline-1,3-dione 2-(1,3-benzodioxol-5-yl)-4-[(3-iodoanilino)methylene]isoquinoline-1,3-dione 510.3
6846527 C12H10N8O3 3-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]triazole-4-carbohydrazide 3-(4-amino-1,2,5-oxadiazol-3-yl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]triazole-4-carbohydrazide 314.26
6846528 C25H19N3O5 N-(2-hydroxy-4-methyl-phenyl)-2,4-dioxo-3-(3-oxo-1,4-dihydroquinoxalin-2-ylidene)-4-phenyl-butanamide N-(2-hydroxy-4-methyl-phenyl)-2,4-dioxo-3-(3-oxo-1,4-dihydroquinoxalin-2-ylidene)-4-phenyl-butanamide 441.4
6846529 C17H25N3O2S 1-cyclohexyl-3-[(6-oxo-4-propoxy-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 1-cyclohexyl-3-[(6-oxo-4-propoxy-cyclohexa-2,4-dien-1-ylidene)methylamino]thiourea 335.5
6846530 C22H18N4O2S 2-benzyl-4-[[(5-cyclopropyl-1,3,4-thiadiazol-2-yl)amino]methylene]isoquinoline-1,3-dione 2-benzyl-4-[[(5-cyclopropyl-1,3,4-thiadiazol-2-yl)amino]methylene]isoquinoline-1,3-dione 402.5
6846531 C19H19BrClN3O4 3-[2-[(3-bromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(3-chloro-4-methyl-phenyl)-3-oxo-propanamide 3-[2-[(3-bromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(3-chloro-4-methyl-phenyl)-3-oxo-propanamide 468.7
6846532 C17H18N2O2 N-[(5-isopropyl-2-methyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)amino]benzamide N-[(5-isopropyl-2-methyl-4-oxo-cyclohexa-2,5-dien-1-ylidene)amino]benzamide 282.34
6846533 C19H19Cl2FN2O3 4-(2,4-dichlorophenoxy)-N'-[1-(3-fluoro-6-oxo-cyclohexa-2,4-dien-1-ylidene)propyl]butanehydrazide 4-(2,4-dichlorophenoxy)-N'-[1-(3-fluoro-6-oxo-cyclohexa-2,4-dien-1-ylidene)propyl]butanehydrazide 413.3
6846534 C18H20BrN3O3 2-(4-bromoanilino)-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]butanehydrazide 2-(4-bromoanilino)-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]butanehydrazide 406.3
6846535 C16H15IN2O2 N-[3-[(3-iodo-5-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]acetamide N-[3-[(3-iodo-5-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]acetamide 394.21
6846536 C17H15F3N4O5 4-methyl-2-nitro-6-[[2-[2-nitro-4-(trifluoromethyl)anilino]ethylamino]methylene]cyclohexa-2,4-dien-1-one 4-methyl-2-nitro-6-[[2-[2-nitro-4-(trifluoromethyl)anilino]ethylamino]methylene]cyclohexa-2,4-dien-1-one 412.32
6846537 C13H13N2O+ (1-benzyl-2-pyridylidene)methyl-oxo-ammonium (1-benzyl-2-pyridylidene)methyl-oxo-ammonium 213.25
6846538 C13H12N2O 1-benzyl-2-(nitrosomethylene)pyridine 1-benzyl-2-(nitrosomethylene)pyridine 212.25
6846539 C16H10FN3O4 3-[2-(4-fluorophenyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 3-[2-(4-fluorophenyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 327.27
6846540 C20H13N3O4 3-[2-(1-naphthyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 3-[2-(1-naphthyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 359.3
6846541 C14H9N3O5 3-[2-(2-furyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 3-[2-(2-furyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 299.24
6846542 C20H13N3O4 3-[2-(2-naphthyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 3-[2-(2-naphthyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 359.3
6846543 C17H13N3O5 3-[2-(4-methoxyphenyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 3-[2-(4-methoxyphenyl)-2-oxo-ethylidene]-7-nitro-1,4-dihydroquinoxalin-2-one 339.30
6846544 C16H10N4O6 7-nitro-3-[2-(3-nitrophenyl)-2-oxo-ethylidene]-1,4-dihydroquinoxalin-2-one 7-nitro-3-[2-(3-nitrophenyl)-2-oxo-ethylidene]-1,4-dihydroquinoxalin-2-one 354.27
6846545 C16H10ClN3O4 6-chloro-8-nitro-3-phenacylidene-1,4-dihydroquinoxalin-2-one 6-chloro-8-nitro-3-phenacylidene-1,4-dihydroquinoxalin-2-one 343.72
6846546 C21H13ClN6O5 4-[(4-chloro-3-nitro-phenyl)hydrazono]-2-(4-nitrophenyl)-5-phenyl-pyrazol-3-one 4-[(4-chloro-3-nitro-phenyl)hydrazono]-2-(4-nitrophenyl)-5-phenyl-pyrazol-3-one 464.8
6846547 C8H12N4O2 5-[(2,2-dimethylhydrazino)methylene]-2-methyl-1H-pyrimidine-4,6-dione 5-[(2,2-dimethylhydrazino)methylene]-2-methyl-1H-pyrimidine-4,6-dione 196.21
6846548 C20H19ClN4O2 N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-[(3,5-dimethylpyrazol-1-yl)methyl]benzohydrazide N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-[(3,5-dimethylpyrazol-1-yl)methyl]benzohydrazide 382.8
6846549 C18H16N6O3S 4-[(2,5-dimethylphenyl)hydrazono]-3-(4-nitrophenyl)-5-oxo-pyrazole-1-carbothioamide 4-[(2,5-dimethylphenyl)hydrazono]-3-(4-nitrophenyl)-5-oxo-pyrazole-1-carbothioamide 396.4
6846550 C19H18N4O6 N-[(1,7-dimethyl-5-nitro-2-oxo-indolin-3-ylidene)amino]-2-(4-methoxyphenoxy)acetamide N-[(1,7-dimethyl-5-nitro-2-oxo-indolin-3-ylidene)amino]-2-(4-methoxyphenoxy)acetamide 398.4
6846551 C20H19N3O3 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-pyrrol-1-yl-benzohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-pyrrol-1-yl-benzohydrazide 349.4
6846552 C23H22N2O5 4-[(4-ethoxyphenoxy)methyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 4-[(4-ethoxyphenoxy)methyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzohydrazide 406.4
6846553 C13H14BrN5O N-[2-[5-[(4-bromophenyl)hydrazono]imidazol-4-yl]ethyl]acetamide N-[2-[5-[(4-bromophenyl)hydrazono]imidazol-4-yl]ethyl]acetamide 336.19
6846554 C19H23N3O3 ethyl 2,4-dimethyl-5-[1-[2-(2-phenylacetyl)hydrazino]ethylidene]pyrrole-3-carboxylate ethyl 2,4-dimethyl-5-[1-[2-(2-phenylacetyl)hydrazino]ethylidene]pyrrole-3-carboxylate 341.4
6846555 C22H13BrClNO3 3-[4-[(3-bromo-5-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]chromen-2-one 3-[4-[(3-bromo-5-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]chromen-2-one 454.7
6846556 C20H18ClN3O3S 5-[(3-chloro-2-methyl-anilino)methylene]-1-(4-ethoxyphenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 5-[(3-chloro-2-methyl-anilino)methylene]-1-(4-ethoxyphenyl)-2-thioxo-hexahydropyrimidine-4,6-dione 415.9
6846557 C17H16N4O2 N-[(2,4-dimethoxyphenyl)methyleneamino]phthalazin-1-amine HMS2556J16 308.33
6846558 C15H13BrN2O4 2-(3-bromophenoxy)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-(3-bromophenoxy)-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 365.18
6846559 C24H21N3O3S2 4-(1,3-benzothiazol-2-ylsulfanylmethyl)-N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 4-(1,3-benzothiazol-2-ylsulfanylmethyl)-N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]benzohydrazide 463.6
6846560 C27H20N4O5S2 N-(4-methoxy-2-nitro-phenyl)-2-[[6-[(2-oxo-1-naphthylidene)methylamino]-1,3-benzothiazol-2-yl]sulfanyl]acetamide N-(4-methoxy-2-nitro-phenyl)-2-[[6-[(2-oxo-1-naphthylidene)methylamino]-1,3-benzothiazol-2-yl]sulfanyl]acetamide 544.6
6846561 C18H15N5OS 1-methyl-3-(7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),8,10-tetraen-12-ylhydrazono)indolin-2-one 1-methyl-3-(7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),8,10-tetraen-12-ylhydrazono)indolin-2-one 349.4
6846562 C18H13ClN4O 3-[(7-chloro-4-quinolyl)hydrazono]-1-methyl-indolin-2-one 3-[(7-chloro-4-quinolyl)hydrazono]-1-methyl-indolin-2-one 336.8
6846563 C19H13BrClN5OS 4-[(3-bromophenyl)hydrazono]-2-[4-(4-chlorophenyl)thiazol-2-yl]-5-methyl-pyrazol-3-one 4-[(3-bromophenyl)hydrazono]-2-[4-(4-chlorophenyl)thiazol-2-yl]-5-methyl-pyrazol-3-one 474.8
6846564 C22H20N2O2 N-[3-[(3-benzyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]acetamide N-[3-[(3-benzyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]acetamide 344.4
6846565 C18H22N4O6S N,N-diethyl-2-[2-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-5-nitro-benzenesulfonamide N,N-diethyl-2-[2-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-5-nitro-benzenesulfonamide 422.5
6846566 C15H13ClN4O4S 1-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2-methoxyphenyl)thiourea 1-[(3-chloro-5-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(2-methoxyphenyl)thiourea 380.8
6846567 C19H19N3O2 N'-(cinnamylideneamino)-N-(o-tolyl)propanediamide N'-(cinnamylideneamino)-N-(o-tolyl)propanediamide 321.4
6846568 C22H22FN3O3 N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1-(4-fluorophenyl)-2,5-dimethyl-pyrrole-3-carbohydrazide N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1-(4-fluorophenyl)-2,5-dimethyl-pyrrole-3-carbohydrazide 395.4

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.