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 6,356,251 - 6,356,300 of 6,571,471
Page 127126 of 131,430
| CID | Formula | IUPAC Name | Traditional Name | Mol. Weight |
|---|---|---|---|---|
| 6770135 | C20H21N5O3S | N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[4-methyl-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide | N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-[[4-methyl-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide | 411.5 |
| 6770136 | C24H17Br2N3O3 | N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-bromophenyl)quinoline-4-carbohydrazide | N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-bromophenyl)quinoline-4-carbohydrazide | 555.2 |
| 6770137 | C24H17Br2N3O3 | N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-bromophenyl)quinoline-4-carbohydrazide | N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-bromophenyl)quinoline-4-carbohydrazide | 555.2 |
| 6770138 | C13H12BrClN4O2 | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-chloro-1,3-dimethyl-pyrazole-5-carbohydrazide | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-chloro-1,3-dimethyl-pyrazole-5-carbohydrazide | 371.62 |
| 6770139 | C25H20BrN3O4 | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,5-dimethoxyphenyl)quinoline-4-carbohydrazide | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,5-dimethoxyphenyl)quinoline-4-carbohydrazide | 506.3 |
| 6770140 | C25H20BrN3O4 | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,5-dimethoxyphenyl)quinoline-4-carbohydrazide | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(2,5-dimethoxyphenyl)quinoline-4-carbohydrazide | 506.3 |
| 6770141 | C18H16ClN3O2 | 5-chloro-2-methoxy-N'-[(2-methylindol-3-ylidene)methyl]benzohydrazide | 5-chloro-2-methoxy-N'-[(2-methylindol-3-ylidene)methyl]benzohydrazide | 341.8 |
| 6770142 | C21H20N2O3 | 2-(2,3-dimethylphenoxy)-N'-[(1-oxo-2-naphthylidene)methyl]acetohydrazide | 2-(2,3-dimethylphenoxy)-N'-[(1-oxo-2-naphthylidene)methyl]acetohydrazide | 348.4 |
| 6770143 | C19H20N4O4S | N'-[[3-(3,4-dimethoxyphenyl)pyrazol-4-ylidene]methyl]-4-methyl-benzenesulfonohydrazide | N'-[[3-(3,4-dimethoxyphenyl)pyrazol-4-ylidene]methyl]-4-methyl-benzenesulfonohydrazide | 400.5 |
| 6770144 | C13H12ClN5O4 | N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1,3-dimethyl-4-nitro-pyrazole-5-carbohydrazide | N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1,3-dimethyl-4-nitro-pyrazole-5-carbohydrazide | 337.72 |
| 6770145 | C27H25N3O4 | 2-(3-isopropoxyphenyl)-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(3-isopropoxyphenyl)-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 455.5 |
| 6770146 | C27H25N3O4 | 2-(3-isopropoxyphenyl)-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(3-isopropoxyphenyl)-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 455.5 |
| 6770147 | C17H15ClN4O2S | 4-chloro-N'-[[3-(p-tolyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 4-chloro-N'-[[3-(p-tolyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 374.8 |
| 6770148 | C17H12Cl2N2O3S | 3,4-dichloro-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzothiophene-2-carbohydrazide | 3,4-dichloro-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]benzothiophene-2-carbohydrazide | 395.3 |
| 6770149 | C18H15Cl2N5O2S | N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-chlorophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide | N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[5-(4-chlorophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide | 436.3 |
| 6770150 | C21H23IN6O3S | 2-[[4-ethyl-5-[(4-iodoanilino)methyl]-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide | 2-[[4-ethyl-5-[(4-iodoanilino)methyl]-1,2,4-triazol-3-yl]sulfanyl]-N'-[(3-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide | 566.4 |
| 6770151 | C25H20ClN3O4 | N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(3,4-dimethoxyphenyl)quinoline-4-carbohydrazide | N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(3,4-dimethoxyphenyl)quinoline-4-carbohydrazide | 461.9 |
| 6770152 | C18H16ClN5O6 | 5-[(4-chloro-5-methyl-3-nitro-pyrazol-1-yl)methyl]-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]furan-2-carbohydrazide | 5-[(4-chloro-5-methyl-3-nitro-pyrazol-1-yl)methyl]-N'-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]furan-2-carbohydrazide | 433.8 |
| 6770153 | C23H15Cl2N3O2 | 2-(2,4-dichlorophenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(2,4-dichlorophenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 436.3 |
| 6770154 | C23H15Cl2N3O2 | 2-(2,4-dichlorophenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(2,4-dichlorophenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 436.3 |
| 6770155 | C18H16BrN5O2S | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[(4-methyl-5-phenyl-1,2,4-triazol-3-yl)sulfanyl]acetohydrazide | N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[(4-methyl-5-phenyl-1,2,4-triazol-3-yl)sulfanyl]acetohydrazide | 446.3 |
| 6770156 | C24H19N3O2 | 2-(o-tolyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(o-tolyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 381.4 |
| 6770157 | C15H12N4OS | N'-[(3-phenylpyrazol-4-ylidene)methyl]thiophene-2-carbohydrazide | N'-[(3-phenylpyrazol-4-ylidene)methyl]thiophene-2-carbohydrazide | 296.3 |
| 6770158 | C28H27N3O4 | N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-isopropoxyphenyl)quinoline-4-carbohydrazide | N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-isopropoxyphenyl)quinoline-4-carbohydrazide | 469.5 |
| 6770159 | C28H27N3O4 | N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-isopropoxyphenyl)quinoline-4-carbohydrazide | N'-[(3-ethoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-(3-isopropoxyphenyl)quinoline-4-carbohydrazide | 469.5 |
| 6770160 | C18H17ClN4O2S | 4-chloro-N'-[[3-(4-ethylphenyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 4-chloro-N'-[[3-(4-ethylphenyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 388.9 |
| 6770161 | C21H15Cl2N5O2 | 3-(2,6-dichlorophenyl)-5-methyl-N'-[(3-phenylpyrazol-4-ylidene)methyl]isoxazole-4-carbohydrazide | 3-(2,6-dichlorophenyl)-5-methyl-N'-[(3-phenylpyrazol-4-ylidene)methyl]isoxazole-4-carbohydrazide | 440.3 |
| 6770162 | C17H14N2O2S | 3-methyl-N'-[(1-oxo-2-naphthylidene)methyl]thiophene-2-carbohydrazide | 3-methyl-N'-[(1-oxo-2-naphthylidene)methyl]thiophene-2-carbohydrazide | 310.4 |
| 6770163 | C26H23N3O4 | N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-methoxyphenyl)quinoline-4-carbohydrazide | N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-methoxyphenyl)quinoline-4-carbohydrazide | 441.5 |
| 6770164 | C26H23N3O4 | N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-methoxyphenyl)quinoline-4-carbohydrazide | N'-[(5-ethoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-(4-methoxyphenyl)quinoline-4-carbohydrazide | 441.5 |
| 6770165 | C24H20N4O2 | N'-[[3-(4-methoxyphenyl)pyrazol-4-ylidene]methyl]-4-phenyl-benzohydrazide | N'-[[3-(4-methoxyphenyl)pyrazol-4-ylidene]methyl]-4-phenyl-benzohydrazide | 396.4 |
| 6770166 | C21H19N5O4 | N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-benzyl-3-nitro-pyrazole-5-carbohydrazide | N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-benzyl-3-nitro-pyrazole-5-carbohydrazide | 405.4 |
| 6770167 | C24H25N5O6 | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | 479.5 |
| 6770168 | C24H25N5O6 | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | 479.5 |
| 6770169 | C24H25N5O6 | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | 479.5 |
| 6770170 | C24H25N5O6 | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | N2',N4'-bis[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-3,5-dimethyl-1H-pyrrole-2,4-dicarbohydrazide | 479.5 |
| 6770171 | C24H19N3O2 | 2-(m-tolyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(m-tolyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 381.4 |
| 6770172 | C25H21N3O2 | 2-(4-ethylphenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(4-ethylphenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 395.5 |
| 6770173 | C25H21N3O2 | 2-(4-ethylphenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(4-ethylphenyl)-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 395.5 |
| 6770174 | C16H11Cl3N4O2S | 2,5-dichloro-N'-[[3-(4-chlorophenyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 2,5-dichloro-N'-[[3-(4-chlorophenyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 429.7 |
| 6770175 | C17H15ClN4O3S | 4-chloro-N'-[[3-(4-methoxyphenyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 4-chloro-N'-[[3-(4-methoxyphenyl)pyrazol-4-ylidene]methyl]benzenesulfonohydrazide | 390.8 |
| 6770176 | C20H20BrN5O3S | N'-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-methyl-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide | N'-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-2-[[4-methyl-5-(p-tolyl)-1,2,4-triazol-3-yl]sulfanyl]acetohydrazide | 490.4 |
| 6770177 | C29H23N3O3 | 2-(4-ethoxyphenyl)-N'-[(2-oxo-1-naphthylidene)methyl]quinoline-4-carbohydrazide | 2-(4-ethoxyphenyl)-N'-[(2-oxo-1-naphthylidene)methyl]quinoline-4-carbohydrazide | 461.5 |
| 6770178 | C29H23N3O3 | 2-(4-ethoxyphenyl)-N'-[(2-oxo-1-naphthylidene)methyl]quinoline-4-carbohydrazide | 2-(4-ethoxyphenyl)-N'-[(2-oxo-1-naphthylidene)methyl]quinoline-4-carbohydrazide | 461.5 |
| 6770179 | C23H26N4O3 | 4-tert-butyl-N'-[[3-(3,4-dimethoxyphenyl)pyrazol-4-ylidene]methyl]benzohydrazide | 4-tert-butyl-N'-[[3-(3,4-dimethoxyphenyl)pyrazol-4-ylidene]methyl]benzohydrazide | 406.5 |
| 6770180 | C13H12Br2N4O2 | 4-bromo-N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1,3-dimethyl-pyrazole-5-carbohydrazide | 4-bromo-N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1,3-dimethyl-pyrazole-5-carbohydrazide | 416.07 |
| 6770181 | C20H19FN4O4 | N'-[[3-(4-fluorophenyl)pyrazol-4-ylidene]methyl]-3,4,5-trimethoxy-benzohydrazide | N'-[[3-(4-fluorophenyl)pyrazol-4-ylidene]methyl]-3,4,5-trimethoxy-benzohydrazide | 398.4 |
| 6770182 | C21H19ClN2O3 | (2S)-2-(4-chloro-3-methyl-phenoxy)-N'-[(2-oxo-1-naphthylidene)methyl]propanehydrazide | (2S)-2-(4-chloro-3-methyl-phenoxy)-N'-[(2-oxo-1-naphthylidene)methyl]propanehydrazide | 382.8 |
| 6770183 | C28H27N3O4 | 2-(3-isobutoxyphenyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(3-isobutoxyphenyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 469.5 |
| 6770184 | C28H27N3O4 | 2-(3-isobutoxyphenyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 2-(3-isobutoxyphenyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]quinoline-4-carbohydrazide | 469.5 |
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.