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 6,361,301 - 6,361,350 of 6,571,471
Page 127227 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6775251 C28H26ClN3O4 (4R)-4-(4-benzyloxyphenyl)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-4-(4-benzyloxyphenyl)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 504.0
6775252 C16H14N4O N'-(indol-3-ylidenemethyl)-6-methyl-pyridine-3-carbohydrazide N'-(indol-3-ylidenemethyl)-6-methyl-pyridine-3-carbohydrazide 278.31
6775253 C18H16Cl2N2O5 (3R)-N'-[(2,3-dichloro-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide (3R)-N'-[(2,3-dichloro-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide 411.2
6775254 C18H16Cl2N2O5 (3R)-N'-[(2,3-dichloro-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide (3R)-N'-[(2,3-dichloro-5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2,3-dihydro-1,4-benzodioxine-3-carbohydrazide 411.2
6775255 C19H16N4O3S N-(6-methoxy-1,3-benzothiazol-2-yl)-5-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(6-methoxy-1,3-benzothiazol-2-yl)-5-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 380.4
6775256 C21H21N3O4 (4S)-5-(3-hydroxypropyl)-4-(4-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4S)-5-(3-hydroxypropyl)-4-(4-methoxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 379.4
6775257 C20H20BrN5O3S N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[(4-ethyl-5-phenyl-1,2,4-triazol-3-yl)sulfanyl]acetohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[(4-ethyl-5-phenyl-1,2,4-triazol-3-yl)sulfanyl]acetohydrazide 490.4
6775258 C17H15N3O3 4-methoxy-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 4-methoxy-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 309.32
6775259 C17H15N3O3 4-methoxy-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 4-methoxy-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-1H-indole-2-carbohydrazide 309.32
6775260 C23H23N5O3 5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)-1,2-dihydropyrazole-3-carboxamide 5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)-1,2-dihydropyrazole-3-carboxamide 417.5
6775261 C28H29N5O3S 2-[[5-(4-tert-butylphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(4-tert-butylphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 515.6
6775262 C28H29N5O3S 2-[[5-(4-tert-butylphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(4-tert-butylphenyl)-4-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 515.6
6775263 C21H21N3O3 (4R)-5-butyl-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-5-butyl-4-(3-hydroxyphenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 363.4
6775264 C25H17N3O4 N-(2-benzoylbenzofuran-3-yl)-5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(2-benzoylbenzofuran-3-yl)-5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 423.4
6775265 C26H21N5O2 2-(phenoxymethyl)-3-[[3-(p-tolyl)pyrazol-4-ylidene]methylamino]quinazolin-4-one 2-(phenoxymethyl)-3-[[3-(p-tolyl)pyrazol-4-ylidene]methylamino]quinazolin-4-one 435.5
6775266 C26H21N5O2 2-(phenoxymethyl)-3-[[3-(p-tolyl)pyrazol-4-ylidene]methylamino]quinazolin-4-one 2-(phenoxymethyl)-3-[[3-(p-tolyl)pyrazol-4-ylidene]methylamino]quinazolin-4-one 435.5
6775267 C23H17ClFN3O2 6-[2-amino-5-(4-chlorophenyl)-1H-pyrimidin-6-ylidene]-3-[(4-fluorophenyl)methoxy]cyclohexa-2,4-dien-1-one 6-[2-amino-5-(4-chlorophenyl)-1H-pyrimidin-6-ylidene]-3-[(4-fluorophenyl)methoxy]cyclohexa-2,4-dien-1-one 421.8
6775268 C19H18ClN3O3 N-(3-chloro-4-methoxy-phenyl)-5-(2,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(3-chloro-4-methoxy-phenyl)-5-(2,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 371.8
6775269 C15H11BrN4O2 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3H-benzimidazole-5-carbohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3H-benzimidazole-5-carbohydrazide 359.18
6775270 C15H11BrN4O2 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3H-benzimidazole-5-carbohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3H-benzimidazole-5-carbohydrazide 359.18
6775271 C24H20BrN5O3S N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 538.4
6775272 C24H20BrN5O3S N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-methoxyphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 538.4
6775273 C13H11O5- (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoate (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoate 247.22
6775274 C13H12O5 (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoic acid (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoic acid 248.23
6775275 C13H11O5- (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoate (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoate 247.22
6775276 C13H12O5 (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoic acid (5E)-2-hydroxy-6-(4-methoxyphenyl)-4-oxo-hexa-2,5-dienoic acid 248.23
6775277 C24H17ClF3N3O2 6-[2-amino-5-phenyl-6-(trifluoromethyl)-1H-pyrimidin-4-ylidene]-3-[(4-chlorophenyl)methoxy]cyclohexa-2,4-dien-1-one 6-[2-amino-5-phenyl-6-(trifluoromethyl)-1H-pyrimidin-4-ylidene]-3-[(4-chlorophenyl)methoxy]cyclohexa-2,4-dien-1-one 471.9
6775278 C19H16N4O4S2 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(6-methylsulfonyl-1,3-benzothiazol-2-yl)-1,2-dihydropyrazole-3-carboxamide 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(6-methylsulfonyl-1,3-benzothiazol-2-yl)-1,2-dihydropyrazole-3-carboxamide 428.5
6775279 C27H27N4O2+ (4S)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-ethylphenyl)-5-(pyridin-1-ium-3-ylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4S)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-ethylphenyl)-5-(pyridin-1-ium-3-ylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 439.5
6775280 C27H26N4O2 (4S)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-ethylphenyl)-5-(3-pyridylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4S)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(4-ethylphenyl)-5-(3-pyridylmethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 438.5
6775281 C26H22ClN3O3 (4R)-5-[(2-chlorophenyl)methyl]-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-hydroxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-5-[(2-chlorophenyl)methyl]-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-hydroxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 459.9
6775282 C18H13ClN4O2S N-(6-chloro-1,3-benzothiazol-2-yl)-5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(6-chloro-1,3-benzothiazol-2-yl)-5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 384.8
6775283 C32H35N3O3 (4R)-4-(4-tert-butylphenyl)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-[2-(4-methoxyphenyl)ethyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-4-(4-tert-butylphenyl)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-[2-(4-methoxyphenyl)ethyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 509.6
6775284 C29H23N3O2 4-(2-methyl-5-phenyl-pyrrol-1-yl)-N'-[(2-oxo-1-naphthylidene)methyl]benzohydrazide 4-(2-methyl-5-phenyl-pyrrol-1-yl)-N'-[(2-oxo-1-naphthylidene)methyl]benzohydrazide 445.5
6775285 C29H23N3O2 4-(2-methyl-5-phenyl-pyrrol-1-yl)-N'-[(2-oxo-1-naphthylidene)methyl]benzohydrazide 4-(2-methyl-5-phenyl-pyrrol-1-yl)-N'-[(2-oxo-1-naphthylidene)methyl]benzohydrazide 445.5
6775286 C20H24Br2N3O+ 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-4-ium-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-4-ium-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 482.2
6775287 C20H23Br2N3O 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 481.2
6775288 C20H24Br2N3O+ 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-4-ium-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-4-ium-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 482.2
6775289 C20H23Br2N3O 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[[[4-[(2,4-dimethylphenyl)methyl]piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 481.2
6775290 C27H27N5O2S 2-[[5-(4-tert-butylphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(4-tert-butylphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 485.6
6775291 C27H27N5O2S 2-[[5-(4-tert-butylphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 2-[[5-(4-tert-butylphenyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide 485.6
6775292 C18H16ClN3O2 N-(3-chloro-2-methyl-phenyl)-5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(3-chloro-2-methyl-phenyl)-5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 341.8
6775293 C12H20N5O3+ [6-[2-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hydrazino]-6-oxo-hexyl]ammonium [6-[2-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hydrazino]-6-oxo-hexyl]ammonium 282.32
6775294 C12H19N5O3 6-amino-N'-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hexanehydrazide 6-amino-N'-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hexanehydrazide 281.31
6775295 C12H20N5O3+ [6-[2-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hydrazino]-6-oxo-hexyl]ammonium [6-[2-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hydrazino]-6-oxo-hexyl]ammonium 282.32
6775296 C12H19N5O3 6-amino-N'-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hexanehydrazide 6-amino-N'-[(4-methyl-2,6-dioxo-pyrimidin-5-ylidene)methyl]hexanehydrazide 281.31
6775297 C28H26N6O4S N'-(indol-3-ylidenemethyl)-2-[[4-phenyl-5-(3,4,5-trimethoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-(indol-3-ylidenemethyl)-2-[[4-phenyl-5-(3,4,5-trimethoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 542.6
6775298 C20H25N3O3 2-ethoxy-6-[[[4-(2-methoxyphenyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 2-ethoxy-6-[[[4-(2-methoxyphenyl)piperazin-1-yl]amino]methylene]cyclohexa-2,4-dien-1-one 355.4
6775299 C23H20ClN4O3S+ 2-[[3-[(4-chlorophenyl)methyl]-1H-benzimidazol-3-ium-2-yl]sulfanyl]-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 2-[[3-[(4-chlorophenyl)methyl]-1H-benzimidazol-3-ium-2-yl]sulfanyl]-N'-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]acetohydrazide 467.9
6775300 C28H27N5O3S N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-(4-ethoxyphenyl)-5-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-(4-ethoxyphenyl)-5-phenyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide 513.6

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.