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 6,417,601 - 6,417,650 of 6,571,471
Page 128353 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6833160 C21H20N4O3 N-(cinnamylideneamino)-3-(2,5-dimethoxyphenyl)-1H-pyrazole-5-carboxamide N-(cinnamylideneamino)-3-(2,5-dimethoxyphenyl)-1H-pyrazole-5-carboxamide 376.4
6833161 C22H26N4O4S N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]-3-[3-oxo-3-[2-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]hydrazino]propyl]sulfanyl-propanehydrazide N'-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]-3-[3-oxo-3-[2-[1-(6-oxocyclohexa-2,4-dien-1-ylidene)ethyl]hydrazino]propyl]sulfanyl-propanehydrazide 442.5
6833162 C16H12BrCl2N3O3 3-[2-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(3,4-dichlorophenyl)-3-oxo-propanamide 3-[2-[(3-bromo-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(3,4-dichlorophenyl)-3-oxo-propanamide 445.1
6833163 C21H18N4O5S [3-cyano-3-(1,3-dihydrobenzimidazol-2-ylidene)-2-oxo-propyl] 2-(styrylsulfonylamino)acetate [3-cyano-3-(1,3-dihydrobenzimidazol-2-ylidene)-2-oxo-propyl] 2-(styrylsulfonylamino)acetate 438.5
6833164 C20H13F3N2O2 4-[(2-methyl-1H-indol-3-yl)methylene]-2-[4-(trifluoromethyl)phenyl]oxazol-5-one 4-[(2-methyl-1H-indol-3-yl)methylene]-2-[4-(trifluoromethyl)phenyl]oxazol-5-one 370.3
6833165 C24H24N2O4 N'-[(3-allyl-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-methoxy-naphthalene-2-carbohydrazide N'-[(3-allyl-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-methoxy-naphthalene-2-carbohydrazide 404.5
6833166 C19H15ClN2O3S 1-(4-chlorophenyl)-5-[(4-hydroxy-3,5-dimethyl-phenyl)methylene]-2-thioxo-hexahydropyrimidine-4,6-dione 1-(4-chlorophenyl)-5-[(4-hydroxy-3,5-dimethyl-phenyl)methylene]-2-thioxo-hexahydropyrimidine-4,6-dione 386.9
6833167 C9H6N6O5 2,4-dinitro-6-[(1,2,4-triazol-4-ylamino)methylene]cyclohexa-2,4-dien-1-one 2,4-dinitro-6-[(1,2,4-triazol-4-ylamino)methylene]cyclohexa-2,4-dien-1-one 278.18
6833168 C20H10Br2Cl2N2O2 2,4-dibromo-6-[[[2-(2,5-dichlorophenyl)-1,3-benzoxazol-5-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[2-(2,5-dichlorophenyl)-1,3-benzoxazol-5-yl]amino]methylene]cyclohexa-2,4-dien-1-one 541.0
6833169 C20H19N3O N'-[(2-methylindol-3-ylidene)methyl]-2-phenyl-cyclopropanecarbohydrazide N'-[(2-methylindol-3-ylidene)methyl]-2-phenyl-cyclopropanecarbohydrazide 317.4
6833170 C19H18N4O4S 4-[(2-methoxy-5-vinylsulfonyl-phenyl)hydrazono]-5-methyl-2-phenyl-pyrazol-3-one 4-[(2-methoxy-5-vinylsulfonyl-phenyl)hydrazono]-5-methyl-2-phenyl-pyrazol-3-one 398.4
6833171 C28H28N4O5S N-[4-[[2-[3-(diethylsulfamoyl)phenyl]-1,3-dioxo-4-isoquinolylidene]methylamino]phenyl]acetamide N-[4-[[2-[3-(diethylsulfamoyl)phenyl]-1,3-dioxo-4-isoquinolylidene]methylamino]phenyl]acetamide 532.6
6833172 C9H10N2O4 methyl N-[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamate methyl N-[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]carbamate 210.19
6833173 C17H13F4N3O 1-isopropyl-3-[(2,3,5,6-tetrafluorophenyl)hydrazono]indolin-2-one 1-isopropyl-3-[(2,3,5,6-tetrafluorophenyl)hydrazono]indolin-2-one 351.30
6833174 C18H19N3O6S N'-[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3-morpholinosulfonyl-benzohydrazide N'-[(5-hydroxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3-morpholinosulfonyl-benzohydrazide 405.4
6833175 C23H17BrClN5O2S 2-[[5-(3-bromophenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(3-bromophenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 542.8
6833176 C18H13N3O4S 3-[5-(2-methoxyanilino)-3H-1,3,4-thiadiazol-2-ylidene]chromene-2,7-dione 3-[5-(2-methoxyanilino)-3H-1,3,4-thiadiazol-2-ylidene]chromene-2,7-dione 367.4
6833177 C17H10ClN3O3S 3-[5-(3-chloroanilino)-3H-1,3,4-thiadiazol-2-ylidene]chromene-2,7-dione 3-[5-(3-chloroanilino)-3H-1,3,4-thiadiazol-2-ylidene]chromene-2,7-dione 371.8
6833178 C14H18N3O4+ 2-[[(2,4-dioxo-1H-quinolin-3-ylidene)-hydroxy-methyl]amino]ethyl-(2-hydroxyethyl)ammonium 2-[[(2,4-dioxo-1H-quinolin-3-ylidene)-hydroxy-methyl]amino]ethyl-(2-hydroxyethyl)ammonium 292.31
6833179 C14H17N3O4 3-[hydroxy-[2-(2-hydroxyethylamino)ethylamino]methylene]-1H-quinoline-2,4-dione 3-[hydroxy-[2-(2-hydroxyethylamino)ethylamino]methylene]-1H-quinoline-2,4-dione 291.30
6833180 C20H13Br2ClN2O2 2-chloro-N-[3-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 2-chloro-N-[3-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]benzamide 508.6
6833181 C17H13BrF2N4O3S 2-bromo-4-[[[3-[4-(difluoromethoxy)phenyl]-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]-6-methoxy-cyclohexa-2,5-dien-1-one 2-bromo-4-[[[3-[4-(difluoromethoxy)phenyl]-5-thioxo-1H-1,2,4-triazol-4-yl]amino]methylene]-6-methoxy-cyclohexa-2,5-dien-1-one 471.3
6833182 C12H7BrCl3N3O 4-bromo-6-[[2-(3,5,6-trichloro-2-pyridyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 4-bromo-6-[[2-(3,5,6-trichloro-2-pyridyl)hydrazino]methylene]cyclohexa-2,4-dien-1-one 395.5
6833183 C18H21N3O2 N'-[(3-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide N'-[(3-tert-butyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-6-methyl-pyridine-3-carbohydrazide 311.4
6833184 C20H18N4O3S 3-[7-(2-hydroxyphenyl)-3-thioxo-1,2,4-triazepan-5-ylidene]-1-methyl-quinoline-2,4-dione 3-[7-(2-hydroxyphenyl)-3-thioxo-1,2,4-triazepan-5-ylidene]-1-methyl-quinoline-2,4-dione 394.4
6833185 C26H22N4O5 N-[2-[2-(1-benzyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide N-[2-[2-(1-benzyl-2-oxo-indolin-3-ylidene)hydrazino]-2-oxo-ethyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide 470.5
6833186 C17H18BrN3O3 1-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(o-tolyl)urea 1-[(3-bromo-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-3-(o-tolyl)urea 392.2
6833187 C14H10BrCl3N4O3 4-amino-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3,5,6-trichloro-pyridine-2-carbohydrazide 4-amino-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3,5,6-trichloro-pyridine-2-carbohydrazide 468.5
6833188 C18H16Br3N3O2 N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,4,6-tribromoanilino)acetohydrazide N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,4,6-tribromoanilino)acetohydrazide 546.0
6833189 C15H13N3O6 6-[(5-ethyl-2-hydroxy-anilino)methylene]-2,4-dinitro-cyclohexa-2,4-dien-1-one 6-[(5-ethyl-2-hydroxy-anilino)methylene]-2,4-dinitro-cyclohexa-2,4-dien-1-one 331.28
6833190 C16H12Br2N4O5 2-bromo-N-[2-[2-[(5-bromo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 2-bromo-N-[2-[2-[(5-bromo-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]-2-oxo-ethyl]benzamide 500.1
6833191 C9H10BrN3O3 [(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]urea [(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]urea 288.10
6833192 C27H23NO3S 3-benzhydrylsulfanyl-2-[(2-oxo-1-naphthylidene)methylamino]propanoic acid 3-benzhydrylsulfanyl-2-[(2-oxo-1-naphthylidene)methylamino]propanoic acid 441.5
6833193 C13H8FI2NO 6-[(4-fluoroanilino)methylene]-2,4-diiodo-cyclohexa-2,4-dien-1-one 6-[(4-fluoroanilino)methylene]-2,4-diiodo-cyclohexa-2,4-dien-1-one 467.02
6833195 C16H12N2O5 3-[3-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]prop-2-enoic acid 3-[3-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]prop-2-enoic acid 312.28
6833196 C21H17N3O5 N-[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]ethyl]-1,3-benzodioxole-5-carboxamide N-[2-oxo-2-[2-[(2-oxo-1-naphthylidene)methyl]hydrazino]ethyl]-1,3-benzodioxole-5-carboxamide 391.4
6833197 C17H15I2NO3S methyl 2-[(3,5-diiodo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate methyl 2-[(3,5-diiodo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate 567.2
6833198 C24H20ClN3O2 N'-[(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-phenyl-methyl]-1-methyl-indole-2-carbohydrazide N'-[(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-phenyl-methyl]-1-methyl-indole-2-carbohydrazide 417.9
6833199 C21H19BrN2O4 N'-[(2-bromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-methoxy-naphthalene-2-carbohydrazide N'-[(2-bromo-5-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-3-methoxy-naphthalene-2-carbohydrazide 443.3
6833200 C19H23BrN2O3 2-bromo-4-nitro-6-[(3-tricyclo[4.3.1.13,8]undecanylmethylamino)methylene]cyclohexa-2,4-dien-1-one 2-bromo-4-nitro-6-[(3-tricyclo[4.3.1.13,8]undecanylmethylamino)methylene]cyclohexa-2,4-dien-1-one 407.3
6833201 C16H20N4O4S N,N-diethyl-6-[2-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]pyridine-3-sulfonamide N,N-diethyl-6-[2-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]pyridine-3-sulfonamide 364.4
6833202 C15H10BrN3O2 4-[[(5-bromo-2-pyridyl)amino]methylene]-2-phenyl-oxazol-5-one 4-[[(5-bromo-2-pyridyl)amino]methylene]-2-phenyl-oxazol-5-one 344.16
6833203 C22H25BrN5O5S+ N'-[(Z)-(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[5-(3,4-dimethoxyphenyl)-4-ethyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]acetohydrazide N'-[(Z)-(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[5-(3,4-dimethoxyphenyl)-4-ethyl-1H-1,2,4-triazol-4-ium-3-yl]sulfanyl]acetohydrazide 551.4
6833204 C21H23N3O4 4-[2-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-N-phenyl-butanamide 4-[2-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-N-phenyl-butanamide 381.4
6833205 C15H13BrN4O3 5-[(2-bromophenyl)hydrazono]-1-(2-hydroxyethyl)-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 5-[(2-bromophenyl)hydrazono]-1-(2-hydroxyethyl)-4-methyl-2,6-dioxo-pyridine-3-carbonitrile 377.19
6833206 C13H15N3O2 methyl N-[(7-ethylindol-3-ylidene)methylamino]carbamate methyl N-[(7-ethylindol-3-ylidene)methylamino]carbamate 245.28
6833207 C32H26N8O6S2 3-[[4-[4-[2,4-diamino-5-methyl-3-(4-sulfophenyl)azo-phenyl]azophenyl]sulfanylphenyl]hydrazono]-6-oxo-cyclohexa-1,4-diene-1-carboxylic acid 3-[[4-[4-[2,4-diamino-5-methyl-3-(4-sulfophenyl)azo-phenyl]azophenyl]sulfanylphenyl]hydrazono]-6-oxo-cyclohexa-1,4-diene-1-carboxylic acid 682.7
6833208 C14H22N2O2 4-[(hexylamino)methylene]-5-(hydroxymethyl)-2-methyl-pyridin-3-one 4-[(hexylamino)methylene]-5-(hydroxymethyl)-2-methyl-pyridin-3-one 250.34
6833209 C21H23N3O5 3-[2-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(4-methoxyphenyl)-3-oxo-propanamide 3-[2-[(3-allyl-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-N-(4-methoxyphenyl)-3-oxo-propanamide 397.4
6833210 C23H20N8O4 6-[[2-(4,6-dianilino-1,3,5-triazin-2-yl)hydrazino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 6-[[2-(4,6-dianilino-1,3,5-triazin-2-yl)hydrazino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 472.5

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.