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 6,342,501 - 6,342,550 of 6,571,471
Page 126851 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6755909 C10H9NO2S2 6-[(4-hydroxy-2-thioxo-3H-thiazol-5-yl)methylene]cyclohex-2-en-1-one 6-[(4-hydroxy-2-thioxo-3H-thiazol-5-yl)methylene]cyclohex-2-en-1-one 239.3
6755910 C20H16N2O5S methyl (1R,9R,16S)-13-(3-furylmethylene)-9-methyl-14-oxo-8-oxa-12-thia-10,15-diazatetracyclo[7.6.1.02,7.011,15]hexadeca-2,4,6,10-tetraene-16-carboxylate methyl (1R,9R,16S)-13-(3-furylmethylene)-9-methyl-14-oxo-8-oxa-12-thia-10,15-diazatetracyclo[7.6.1.02,7.011,15]hexadeca-2,4,6,10-tetraene-16-carboxylate 396.4
6755911 C26H21N3O4S (1R,9R,16R)-13-(3-furylmethylene)-9-methyl-N-(o-tolyl)-14-oxo-8-oxa-12-thia-10,15-diazatetracyclo[7.6.1.02,7.011,15]hexadeca-2,4,6,10-tetraene-16-carboxamide (1R,9R,16R)-13-(3-furylmethylene)-9-methyl-N-(o-tolyl)-14-oxo-8-oxa-12-thia-10,15-diazatetracyclo[7.6.1.02,7.011,15]hexadeca-2,4,6,10-tetraene-16-carboxamide 471.5
6755912 C20H17N5O3 1-ethyl-3-[5-oxo-4-[(2-pyridylamino)methylene]pyrazolidin-3-ylidene]quinoline-2,4-dione 1-ethyl-3-[5-oxo-4-[(2-pyridylamino)methylene]pyrazolidin-3-ylidene]quinoline-2,4-dione 375.4
6755913 C19H20N4OS 1-[[(3-cyclohexyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]naphthalen-2-one 1-[[(3-cyclohexyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]naphthalen-2-one 352.5
6755914 C19H20N4OS 1-[[(3-cyclohexyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]naphthalen-2-one 1-[[(3-cyclohexyl-5-thioxo-1H-1,2,4-triazol-4-yl)amino]methylene]naphthalen-2-one 352.5
6755915 C20H19N5O3S 4-(indol-3-ylidenemethylamino)-3-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-5-thione 4-(indol-3-ylidenemethylamino)-3-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-5-thione 409.5
6755916 C20H19N5O3S 4-(indol-3-ylidenemethylamino)-3-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-5-thione 4-(indol-3-ylidenemethylamino)-3-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-5-thione 409.5
6755917 C19H20N4O4S 4-[(Z)-[3-(2-furyl)-2-methyl-prop-2-enylidene]amino]-3-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-5-thione 4-[(Z)-[3-(2-furyl)-2-methyl-prop-2-enylidene]amino]-3-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-5-thione 400.5
6755918 C13H9Br2N3O2 N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-4-carbohydrazide N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-4-carbohydrazide 399.04
6755919 C13H9Br2N3O2 N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-4-carbohydrazide N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyridine-4-carbohydrazide 399.04
6755920 C19H16BrN5O5 4-bromo-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 4-bromo-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 474.3
6755921 C19H16BrN5O5 4-bromo-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 4-bromo-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 474.3
6755922 C18H12BrCl2N5O4 4-bromo-N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 4-bromo-N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 513.1
6755923 C18H12BrCl2N5O4 4-bromo-N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 4-bromo-N'-[(3,5-dichloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 513.1
6755924 C21H18BrN5O4 N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-bromo-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-bromo-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 484.3
6755925 C21H18BrN5O4 N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-bromo-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide N'-[(5-allyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-bromo-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 484.3
6755926 C12H9Br3N4O2 4-bromo-N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 4-bromo-N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 480.94
6755927 C12H9Br3N4O2 4-bromo-N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 4-bromo-N'-[(3,5-dibromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 480.94
6755928 C20H21BrClN3O2 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-chlorophenyl)methyl]piperidine-4-carbohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-chlorophenyl)methyl]piperidine-4-carbohydrazide 450.8
6755929 C20H21BrClN3O2 N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-chlorophenyl)methyl]piperidine-4-carbohydrazide N'-[(3-bromo-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-chlorophenyl)methyl]piperidine-4-carbohydrazide 450.8
6755930 C21H23BrN4O5 N'-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]piperidine-4-carbohydrazide N'-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]piperidine-4-carbohydrazide 491.3
6755931 C21H23BrN4O5 N'-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]piperidine-4-carbohydrazide N'-[(3-bromo-5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-1-[(4-nitrophenyl)methyl]piperidine-4-carbohydrazide 491.3
6755932 C19H16BrN5O5 1-[(4-bromophenyl)methyl]-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 474.3
6755933 C19H16BrN5O5 1-[(4-bromophenyl)methyl]-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 474.3
6755934 C18H14BrN5O5 1-[(4-bromophenyl)methyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 460.2
6755935 C18H14BrN5O5 1-[(4-bromophenyl)methyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-[(2-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-4-nitro-pyrazole-3-carbohydrazide 460.2
6755936 C19H15BrClN5O5 4-bromo-1-[(4-chlorophenyl)methyl]-N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-chlorophenyl)methyl]-N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 508.7
6755937 C19H15BrClN5O5 4-bromo-1-[(4-chlorophenyl)methyl]-N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-chlorophenyl)methyl]-N'-[(5-methoxy-3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 508.7
6755938 C13H12Br2N4O3 4-bromo-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 4-bromo-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 432.07
6755939 C13H12Br2N4O3 4-bromo-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 4-bromo-N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1-methyl-pyrazole-3-carbohydrazide 432.07
6755940 C24H24ClN3O2 1-[(4-chlorophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]piperidine-4-carbohydrazide 1-[(4-chlorophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]piperidine-4-carbohydrazide 421.9
6755941 C24H24ClN3O2 1-[(4-chlorophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]piperidine-4-carbohydrazide 1-[(4-chlorophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]piperidine-4-carbohydrazide 421.9
6755942 C18H14BrClN4O2 1-[(4-bromophenyl)methyl]-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 433.7
6755943 C18H14BrClN4O2 1-[(4-bromophenyl)methyl]-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-[(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 433.7
6755944 C20H15BrN6O3 1-[(4-bromophenyl)methyl]-N'-(indol-3-ylidenemethyl)-4-nitro-pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-(indol-3-ylidenemethyl)-4-nitro-pyrazole-3-carbohydrazide 467.3
6755945 C20H15BrN6O3 1-[(4-bromophenyl)methyl]-N'-(indol-3-ylidenemethyl)-4-nitro-pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-N'-(indol-3-ylidenemethyl)-4-nitro-pyrazole-3-carbohydrazide 467.3
6755946 C20H16N6O3 N'-(indol-3-ylidenemethyl)-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide N'-(indol-3-ylidenemethyl)-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 388.4
6755947 C20H16N6O3 N'-(indol-3-ylidenemethyl)-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide N'-(indol-3-ylidenemethyl)-1-[(4-nitrophenyl)methyl]pyrazole-3-carbohydrazide 388.4
6755948 C22H16Br2N4O2 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]pyrazole-3-carbohydrazide 528.2
6755949 C22H16Br2N4O2 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(2-oxo-1-naphthylidene)methyl]pyrazole-3-carbohydrazide 528.2
6755950 C18H13Br2N5O4 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 523.1
6755951 C18H13Br2N5O4 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(3-nitro-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 523.1
6755952 C18H15N5O4 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 365.3
6755953 C18H15N5O4 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 365.3
6755954 C20H22N4O4 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-4-carbohydrazide 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-4-carbohydrazide 382.4
6755955 C20H22N4O4 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-4-carbohydrazide 1-[(4-nitrophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]piperidine-4-carbohydrazide 382.4
6755956 C18H14Br2N4O2 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 478.1
6755957 C18H14Br2N4O2 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 4-bromo-1-[(4-bromophenyl)methyl]-N'-[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]pyrazole-3-carbohydrazide 478.1
6755958 C22H16BrN5O4 1-[(4-bromophenyl)methyl]-4-nitro-N'-[(2-oxo-1-naphthylidene)methyl]pyrazole-3-carbohydrazide 1-[(4-bromophenyl)methyl]-4-nitro-N'-[(2-oxo-1-naphthylidene)methyl]pyrazole-3-carbohydrazide 494.3

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.