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 6,340,701 - 6,340,750 of 6,571,471
Page 126815 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6754081 C22H24N4O3 2-(4-isopropylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(4-isopropylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 392.5
6754082 C21H22N4O4 2-(3,4-dimethoxyphenyl)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(3,4-dimethoxyphenyl)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 394.4
6754083 C21H22N4O4 2-(3,4-dimethoxyphenyl)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(3,4-dimethoxyphenyl)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 394.4
6754084 C21H22N4O3 2-(2,4-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(2,4-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 378.4
6754085 C21H22N4O3 2-(2,4-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(2,4-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 378.4
6754086 C21H22N4O3 2-(2,3-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(2,3-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 378.4
6754087 C21H22N4O3 2-(2,3-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(2,3-dimethylphenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 378.4
6754088 C15H17N3O2 2-(2,3-dimethylphenoxy)-N'-(pyrrol-2-ylidenemethyl)acetohydrazide 2-(2,3-dimethylphenoxy)-N'-(pyrrol-2-ylidenemethyl)acetohydrazide 271.31
6754089 C15H17N3O2 2-(2,3-dimethylphenoxy)-N'-(pyrrol-2-ylidenemethyl)acetohydrazide 2-(2,3-dimethylphenoxy)-N'-(pyrrol-2-ylidenemethyl)acetohydrazide 271.31
6754090 C21H21BrN4O3 2-(4-bromo-2,6-dimethyl-phenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(4-bromo-2,6-dimethyl-phenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 457.3
6754091 C21H21BrN4O3 2-(4-bromo-2,6-dimethyl-phenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 2-(4-bromo-2,6-dimethyl-phenoxy)-N'-[(3-methyl-5-oxo-1-phenyl-pyrazol-4-ylidene)methyl]acetohydrazide 457.3
6754092 C12H10BrClN4O2 N'-[(5-bromo-3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-bromo-3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 357.59
6754093 C12H10BrClN4O2 N'-[(5-bromo-3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide N'-[(5-bromo-3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-5-methyl-1H-pyrazole-3-carbohydrazide 357.59
6754094 C14H10IN3O 6-[(1H-indazol-5-ylamino)methylene]-4-iodo-cyclohexa-2,4-dien-1-one 6-[(1H-indazol-5-ylamino)methylene]-4-iodo-cyclohexa-2,4-dien-1-one 363.15
6754095 C20H21N3O3 2-(2,3-dimethylphenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 2-(2,3-dimethylphenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 351.4
6754096 C19H16ClN3O3 N-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-2-(2-chlorophenoxy)acetamide N-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-2-(2-chlorophenoxy)acetamide 369.8
6754097 C20H20BrN3O3 2-(2-bromo-4,6-dimethyl-phenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 2-(2-bromo-4,6-dimethyl-phenoxy)-N-[(1-ethyl-2-oxo-indolin-3-ylidene)amino]acetamide 430.3
6754098 C19H15N3O4 N-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-1,3-benzodioxole-5-carboxamide N-[(1-allyl-2-oxo-indolin-3-ylidene)amino]-1,3-benzodioxole-5-carboxamide 349.3
6754099 C15H12BrClN2O2 N-[3-[(3-bromo-5-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]acetamide N-[3-[(3-bromo-5-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]phenyl]acetamide 367.62
6754100 C20H13Br2N3O2 2,4-dibromo-6-[(2-methyl-5-oxazolo[4,5-b]pyridin-2-yl-anilino)methylene]cyclohexa-2,4-dien-1-one 2,4-dibromo-6-[(2-methyl-5-oxazolo[4,5-b]pyridin-2-yl-anilino)methylene]cyclohexa-2,4-dien-1-one 487.1
6754101 C20H13BrClN3O2 2-bromo-4-chloro-6-[(2-methyl-5-oxazolo[4,5-b]pyridin-2-yl-anilino)methylene]cyclohexa-2,4-dien-1-one 2-bromo-4-chloro-6-[(2-methyl-5-oxazolo[4,5-b]pyridin-2-yl-anilino)methylene]cyclohexa-2,4-dien-1-one 442.7
6754102 C24H23N3O4 4-benzyl-6-[(4-morpholinoanilino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 4-benzyl-6-[(4-morpholinoanilino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 417.5
6754103 C21H18N2O4 4-benzyl-6-[(2-hydroxy-5-methyl-anilino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 4-benzyl-6-[(2-hydroxy-5-methyl-anilino)methylene]-2-nitro-cyclohexa-2,4-dien-1-one 362.4
6754104 C22H18N4O4 6-[[5-(1H-benzimidazol-2-yl)-2-methyl-anilino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 6-[[5-(1H-benzimidazol-2-yl)-2-methyl-anilino]methylene]-2-methoxy-4-nitro-cyclohexa-2,4-dien-1-one 402.4
6754105 C21H15Cl2N3O 6-[[5-(1H-benzimidazol-2-yl)-2-methyl-anilino]methylene]-2,4-dichloro-cyclohexa-2,4-dien-1-one 6-[[5-(1H-benzimidazol-2-yl)-2-methyl-anilino]methylene]-2,4-dichloro-cyclohexa-2,4-dien-1-one 396.3
6754106 C23H20N2O3 6-[[[3-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-4-oxo-cyclohexa-1,5-dien-1-yl]amino]methylene]-2-methyl-cyclohexa-2,4-dien-1-one 6-[[[3-(5-ethyl-3H-1,3-benzoxazol-2-ylidene)-4-oxo-cyclohexa-1,5-dien-1-yl]amino]methylene]-2-methyl-cyclohexa-2,4-dien-1-one 372.4
6754107 C19H20BrNO3S ethyl 2-[(3-bromo-5-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate ethyl 2-[(3-bromo-5-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-4,5,6,7-tetrahydrobenzothiophene-3-carboxylate 422.3
6754108 C17H16N2O 4-ethyl-6-(2-phenyl-1H-pyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 4-ethyl-6-(2-phenyl-1H-pyrazol-3-ylidene)cyclohexa-2,4-dien-1-one 264.32
6754109 C29H23ClN2O5 ethyl 2-[6-[6-(4-chlorophenyl)-4-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-pyridin-2-yl]-3-oxo-1,4-benzoxazin-4-yl]acetate ethyl 2-[6-[6-(4-chlorophenyl)-4-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-pyridin-2-yl]-3-oxo-1,4-benzoxazin-4-yl]acetate 515.0
6754110 C25H18N2O3 6-[6-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-1H-pyridin-2-yl]-4H-1,4-benzoxazin-3-one 6-[6-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-1H-pyridin-2-yl]-4H-1,4-benzoxazin-3-one 394.4
6754111 C15H11N3O3S N-[4-oxo-5-[(2-oxo-1H-quinolin-3-yl)methylene]thiazol-2-yl]acetamide N-[4-oxo-5-[(2-oxo-1H-quinolin-3-yl)methylene]thiazol-2-yl]acetamide 313.3
6754112 C21H19ClN2O2 (4E)-4-[[4-[2-chloroethyl(methyl)amino]phenyl]methylene]-2-styryl-oxazol-5-one (4E)-4-[[4-[2-chloroethyl(methyl)amino]phenyl]methylene]-2-styryl-oxazol-5-one 366.8
6754113 C19H24N4O3S N-(3-acetylphenyl)-2-[(5R)-4-oxo-2-[2-(1,2,2-trimethylpropylidene)hydrazino]thiazol-5-yl]acetamide N-(3-acetylphenyl)-2-[(5R)-4-oxo-2-[2-(1,2,2-trimethylpropylidene)hydrazino]thiazol-5-yl]acetamide 388.5
6754114 C19H16F2N4O2S N-(2-fluorophenyl)-2-[(5R)-2-[2-[1-(4-fluorophenyl)ethylidene]hydrazino]-4-oxo-thiazol-5-yl]acetamide N-(2-fluorophenyl)-2-[(5R)-2-[2-[1-(4-fluorophenyl)ethylidene]hydrazino]-4-oxo-thiazol-5-yl]acetamide 402.4
6754115 C20H23FN4O2S N-(2-fluorophenyl)-2-[(5R)-4-oxo-2-[2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)hydrazino]thiazol-5-yl]acetamide N-(2-fluorophenyl)-2-[(5R)-4-oxo-2-[2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)hydrazino]thiazol-5-yl]acetamide 402.5
6754116 C22H26N4O3S N-(3-acetylphenyl)-2-[(5R)-4-oxo-2-[2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)hydrazino]thiazol-5-yl]acetamide N-(3-acetylphenyl)-2-[(5R)-4-oxo-2-[2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)hydrazino]thiazol-5-yl]acetamide 426.5
6754117 C19H15F3N4O2S 2-[(5R)-2-(2-benzylidenehydrazino)-4-oxo-thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 2-[(5R)-2-(2-benzylidenehydrazino)-4-oxo-thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 420.4
6754118 C19H15F3N4O3S 2-[(5R)-2-[2-[(3-hydroxyphenyl)methylene]hydrazino]-4-oxo-thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 2-[(5R)-2-[2-[(3-hydroxyphenyl)methylene]hydrazino]-4-oxo-thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 436.4
6754119 C19H17FN4O4S N-(2-fluorophenyl)-2-[(5R)-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-thiazol-5-yl]acetamide N-(2-fluorophenyl)-2-[(5R)-2-[2-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]hydrazino]-4-oxo-thiazol-5-yl]acetamide 416.4
6754120 C17H15FN4O3S N-(2-fluorophenyl)-2-[(5R)-2-[2-[(5-methyl-2-furyl)methylene]hydrazino]-4-oxo-thiazol-5-yl]acetamide N-(2-fluorophenyl)-2-[(5R)-2-[2-[(5-methyl-2-furyl)methylene]hydrazino]-4-oxo-thiazol-5-yl]acetamide 374.4
6754121 C18H15F3N4O3S 2-[(5R)-2-[2-[1-(2-furyl)ethylidene]hydrazino]-4-oxo-thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 2-[(5R)-2-[2-[1-(2-furyl)ethylidene]hydrazino]-4-oxo-thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 424.4
6754122 C19H15F3N4O3S 2-[(5R)-4-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 2-[(5R)-4-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-5-yl]-N-[2-(trifluoromethyl)phenyl]acetamide 436.4
6754123 C19H15F3N4O3S 2-[(5R)-4-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-5-yl]-N-[3-(trifluoromethyl)phenyl]acetamide 2-[(5R)-4-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-5-yl]-N-[3-(trifluoromethyl)phenyl]acetamide 436.4
6754124 C19H14ClF3N4O3S N-[2-chloro-5-(trifluoromethyl)phenyl]-2-[(5R)-4-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-5-yl]acetamide N-[2-chloro-5-(trifluoromethyl)phenyl]-2-[(5R)-4-oxo-2-[2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]hydrazino]thiazol-5-yl]acetamide 470.9
6754125 C20H23FN4O2S N-(4-fluorophenyl)-2-[(5R)-4-oxo-2-[2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)hydrazino]thiazol-5-yl]acetamide N-(4-fluorophenyl)-2-[(5R)-4-oxo-2-[2-(3,5,5-trimethylcyclohex-2-en-1-ylidene)hydrazino]thiazol-5-yl]acetamide 402.5
6754126 C20H21N3O3 4-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-1,5-dimethyl-2-phenyl-pyrazol-3-one 4-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-1,5-dimethyl-2-phenyl-pyrazol-3-one 351.4
6754127 C21H16BrN3O 6-[[(1-benzylbenzimidazol-2-yl)amino]methylene]-4-bromo-cyclohexa-2,4-dien-1-one 6-[[(1-benzylbenzimidazol-2-yl)amino]methylene]-4-bromo-cyclohexa-2,4-dien-1-one 406.3
6754128 C19H17ClN4O3S 4-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide 4-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methylamino]-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide 416.9
6754129 C19H15NO3 2-[4-[(2-oxo-1-naphthylidene)methylamino]phenyl]acetic acid 2-[4-[(2-oxo-1-naphthylidene)methylamino]phenyl]acetic acid 305.3
6754130 C18H18ClN3O 4-chloro-6-[[(1-ethyl-5,6-dimethyl-benzimidazol-2-yl)amino]methylene]cyclohexa-2,4-dien-1-one 4-chloro-6-[[(1-ethyl-5,6-dimethyl-benzimidazol-2-yl)amino]methylene]cyclohexa-2,4-dien-1-one 327.8

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.