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 6,357,401 - 6,357,450 of 6,571,471
Page 127149 of 131,430
CID Formula IUPAC Name Traditional Name Mol. Weight
6771317 C18H16ClN3O3 N-(5-chloro-2-methoxy-phenyl)-5-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(5-chloro-2-methoxy-phenyl)-5-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 357.8
6771318 C24H27N3O5 (4R)-4-(3,4-dimethoxyphenyl)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-4-(3,4-dimethoxyphenyl)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-(3-hydroxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 437.5
6771319 C22H24N4O4S 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[4-(1-piperidylsulfonyl)phenyl]-1,2-dihydropyrazole-3-carboxamide 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[4-(1-piperidylsulfonyl)phenyl]-1,2-dihydropyrazole-3-carboxamide 440.5
6771320 C28H26ClN3O3 (4S)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-[2-(4-methoxyphenyl)ethyl]-4-(p-tolyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4S)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-[2-(4-methoxyphenyl)ethyl]-4-(p-tolyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 488.0
6771321 C25H18Cl2F3N3O3 6-[2-amino-5-(2-methoxyphenyl)-6-(trifluoromethyl)-1H-pyrimidin-4-ylidene]-3-[(2,4-dichlorophenyl)methoxy]cyclohexa-2,4-dien-1-one 6-[2-amino-5-(2-methoxyphenyl)-6-(trifluoromethyl)-1H-pyrimidin-4-ylidene]-3-[(2,4-dichlorophenyl)methoxy]cyclohexa-2,4-dien-1-one 536.3
6771322 C25H22N2O3 6-[4-(2-allyl-4-methyl-phenoxy)-1H-quinazolin-2-ylidene]-2-methoxy-cyclohexa-2,4-dien-1-one 6-[4-(2-allyl-4-methyl-phenoxy)-1H-quinazolin-2-ylidene]-2-methoxy-cyclohexa-2,4-dien-1-one 398.5
6771323 C26H19N3O4 N-[2-(4-methylbenzoyl)benzofuran-3-yl]-5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-[2-(4-methylbenzoyl)benzofuran-3-yl]-5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 437.4
6771324 C29H29N3O5 (4S)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-ethoxy-4-hydroxy-phenyl)-5-[(4-methoxyphenyl)methyl]-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-(3-ethoxy-4-hydroxy-phenyl)-5-[(4-methoxyphenyl)methyl]-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 499.6
6771325 C20H20N4O3 N-(4-acetamidophenyl)-5-(3,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(4-acetamidophenyl)-5-(3,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 364.4
6771326 C19H18ClN3O2 N-(3-chloro-4-methyl-phenyl)-5-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(3-chloro-4-methyl-phenyl)-5-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 355.8
6771327 C15H13N3O4 7-amino-6-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-methyl-isoxazolo[2,3-a]pyrimidin-5-one 7-amino-6-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-methyl-isoxazolo[2,3-a]pyrimidin-5-one 299.28
6771328 C15H13N3O4 7-amino-6-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-methyl-isoxazolo[2,3-a]pyrimidin-5-one 7-amino-6-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-2-methyl-isoxazolo[2,3-a]pyrimidin-5-one 299.28
6771329 C19H18ClN3O2 N-(3-chloro-2-methyl-phenyl)-5-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-(3-chloro-2-methyl-phenyl)-5-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 355.8
6771330 C20H19N9O4 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(anilinomethyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(anilinomethyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]triazole-4-carbohydrazide 449.4
6771331 C20H19N9O4 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(anilinomethyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]triazole-4-carbohydrazide 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(anilinomethyl)-N'-[(5-methoxy-6-oxo-cyclohexa-2,4-dien-1-ylidene)methyl]triazole-4-carbohydrazide 449.4
6771332 C22H24N4O3S 5-(3,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-(methylcarbamoyl)-4,5,6,7-tetrahydrobenzothiophen-2-yl]-1,2-dihydropyrazole-3-carboxamide 5-(3,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-(methylcarbamoyl)-4,5,6,7-tetrahydrobenzothiophen-2-yl]-1,2-dihydropyrazole-3-carboxamide 424.5
6771333 C24H26N4O4S 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-[[(2R)-tetrahydrofuran-2-yl]methylcarbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]-1,2-dihydropyrazole-3-carboxamide 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-[[(2R)-tetrahydrofuran-2-yl]methylcarbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]-1,2-dihydropyrazole-3-carboxamide 466.6
6771334 C27H33N3O5 (4S)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-ethoxy-4-hydroxy-phenyl)-5-(3-isopropoxypropyl)-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-(3-ethoxy-4-hydroxy-phenyl)-5-(3-isopropoxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 479.6
6771336 C22H23N3O4 (4R)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-hydroxyphenyl)-5-(3-hydroxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-hydroxyphenyl)-5-(3-hydroxypropyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 393.4
6771337 C21H18N5O4S2- [4-[[5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carbonyl]amino]phenyl]sulfonyl-thiazol-2-yl-azanide [4-[[5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carbonyl]amino]phenyl]sulfonyl-thiazol-2-yl-azanide 468.5
6771338 C21H19N5O4S2 5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[4-(thiazol-2-ylsulfamoyl)phenyl]-1,2-dihydropyrazole-3-carboxamide 5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[4-(thiazol-2-ylsulfamoyl)phenyl]-1,2-dihydropyrazole-3-carboxamide 469.5
6771339 C25H29N3O5 (4S)-5-(2-hydroxyethyl)-4-(4-isopentyloxy-3-methoxy-phenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4S)-5-(2-hydroxyethyl)-4-(4-isopentyloxy-3-methoxy-phenyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 451.5
6771340 C17H11ClF3N3O2 5-(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-(trifluoromethyl)phenyl]-1,2-dihydropyrazole-3-carboxamide 5-(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-(trifluoromethyl)phenyl]-1,2-dihydropyrazole-3-carboxamide 381.7
6771341 C25H21N3O2 (4R)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-5-(2-phenylethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-5-(2-phenylethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 395.5
6771342 C24H22N5O6S- 2-[(5S)-2-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)imino-3-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-4-oxo-thiazolidin-5-yl]acetate 2-[(5S)-2-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)imino-3-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-4-oxo-thiazolidin-5-yl]acetate 508.5
6771343 C24H23N5O6S 2-[(5S)-2-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)imino-3-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-4-oxo-thiazolidin-5-yl]acetic acid 2-[(5S)-2-(1,5-dimethyl-3-oxo-2-phenyl-pyrazol-4-yl)imino-3-[(3-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methylamino]-4-oxo-thiazolidin-5-yl]acetic acid 509.5
6771344 C28H29NO4 4-[8-(3,5-dimethylanilino)-4-ethoxy-1,3-dimethyl-cyclohepta[c]furan-6-ylidene]-2-methoxy-cyclohexa-2,5-dien-1-one 4-[8-(3,5-dimethylanilino)-4-ethoxy-1,3-dimethyl-cyclohepta[c]furan-6-ylidene]-2-methoxy-cyclohexa-2,5-dien-1-one 443.5
6771345 C24H28N4O4S 5-(2,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[4-[[(2S)-2-methyl-1-piperidyl]sulfonyl]phenyl]-1,2-dihydropyrazole-3-carboxamide 5-(2,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[4-[[(2S)-2-methyl-1-piperidyl]sulfonyl]phenyl]-1,2-dihydropyrazole-3-carboxamide 468.6
6771346 C24H26N4O4S 5-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-[[(2R)-tetrahydrofuran-2-yl]methylcarbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]-1,2-dihydropyrazole-3-carboxamide 5-(4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-[3-[[(2R)-tetrahydrofuran-2-yl]methylcarbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]-1,2-dihydropyrazole-3-carboxamide 466.6
6771347 C12H11BrN4O3 N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1H-pyrazole-5-carbohydrazide N'-[(3-bromo-5-methoxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]-1H-pyrazole-5-carbohydrazide 339.14
6771348 C18H15N3OS2 (5Z)-3-allyl-5-[(E)-3-phenylprop-2-enylidene]-2-thiazol-2-ylimino-thiazolidin-4-one (5Z)-3-allyl-5-[(E)-3-phenylprop-2-enylidene]-2-thiazol-2-ylimino-thiazolidin-4-one 353.5
6771349 C16H17N5O2S 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(5-propyl-1,3,4-thiadiazol-2-yl)-1,2-dihydropyrazole-3-carboxamide 5-(3-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(5-propyl-1,3,4-thiadiazol-2-yl)-1,2-dihydropyrazole-3-carboxamide 343.4
6771350 C23H16BrCl2N3O3 6-[2-amino-5-(2-bromophenoxy)-1H-pyrimidin-6-ylidene]-3-[(2,4-dichlorophenyl)methoxy]cyclohexa-2,4-dien-1-one 6-[2-amino-5-(2-bromophenoxy)-1H-pyrimidin-6-ylidene]-3-[(2,4-dichlorophenyl)methoxy]cyclohexa-2,4-dien-1-one 533.2
6771351 C16H14N4O4S 5-(6-oxocyclohexa-2,4-dien-1-ylidene)-N-(4-sulfamoylphenyl)-1,2-dihydropyrazole-3-carboxamide 5-(6-oxocyclohexa-2,4-dien-1-ylidene)-N-(4-sulfamoylphenyl)-1,2-dihydropyrazole-3-carboxamide 358.4
6771352 C18H16ClN3O4 5-(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(2,4-dimethoxyphenyl)-1,2-dihydropyrazole-3-carboxamide 5-(3-chloro-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(2,4-dimethoxyphenyl)-1,2-dihydropyrazole-3-carboxamide 373.8
6771353 C23H19N3O 6-[4-(3,4-dihydro-2H-quinolin-1-yl)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 6-[4-(3,4-dihydro-2H-quinolin-1-yl)-1H-quinazolin-2-ylidene]cyclohexa-2,4-dien-1-one 353.4
6771354 C21H16N2O3 3-(2-methoxyphenyl)-2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-quinazolin-4-one 3-(2-methoxyphenyl)-2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1H-quinazolin-4-one 344.4
6771355 C20H18N4O4S2 5-(3,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(6-methylsulfonyl-1,3-benzothiazol-2-yl)-1,2-dihydropyrazole-3-carboxamide 5-(3,4-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(6-methylsulfonyl-1,3-benzothiazol-2-yl)-1,2-dihydropyrazole-3-carboxamide 442.5
6771356 C21H18N6O2 6-[10-(2,4-dimethylphenyl)-3,4,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,7,11-tetraen-5-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 6-[10-(2,4-dimethylphenyl)-3,4,6,8,10,11-hexazatricyclo[7.3.0.02,6]dodeca-1(9),2,7,11-tetraen-5-ylidene]-3-methoxy-cyclohexa-2,4-dien-1-one 386.4
6771357 C20H21N3O2 5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(3,4-dimethylphenyl)-1,2-dihydropyrazole-3-carboxamide 5-(4,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-N-(3,4-dimethylphenyl)-1,2-dihydropyrazole-3-carboxamide 335.4
6771358 C17H15N3O2 N-benzyl-5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide N-benzyl-5-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydropyrazole-3-carboxamide 293.32
6771359 C17H11N3O3S 4-amino-3-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]pyrimido[2,1-b][1,3]benzothiazol-2-one 4-amino-3-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]pyrimido[2,1-b][1,3]benzothiazol-2-one 337.4
6771360 C17H11N3O3S 4-amino-3-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]pyrimido[2,1-b][1,3]benzothiazol-2-one 4-amino-3-[(3-hydroxy-4-oxo-cyclohexa-2,5-dien-1-ylidene)methyl]pyrimido[2,1-b][1,3]benzothiazol-2-one 337.4
6771361 C15H13N4O2+ 5-(6-oxocyclohexa-2,4-dien-1-ylidene)-N-pyridin-1-ium-3-yl-1,2-dihydropyrazole-3-carboxamide 5-(6-oxocyclohexa-2,4-dien-1-ylidene)-N-pyridin-1-ium-3-yl-1,2-dihydropyrazole-3-carboxamide 281.29
6771362 C15H12N4O2 5-(6-oxocyclohexa-2,4-dien-1-ylidene)-N-(3-pyridyl)-1,2-dihydropyrazole-3-carboxamide 5-(6-oxocyclohexa-2,4-dien-1-ylidene)-N-(3-pyridyl)-1,2-dihydropyrazole-3-carboxamide 280.28
6771363 C30H31N3O5 (4R)-5-[2-(3,4-dimethoxyphenyl)ethyl]-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-methoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-5-[2-(3,4-dimethoxyphenyl)ethyl]-3-(3,5-dimethyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3-methoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 513.6
6771364 C22H22ClN3O5 (4R)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3,4-dimethoxyphenyl)-5-(2-hydroxyethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-4-(3,4-dimethoxyphenyl)-5-(2-hydroxyethyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 443.9
6771365 C23H17BrFN3O3 6-[2-amino-5-(2-bromophenoxy)-1H-pyrimidin-6-ylidene]-3-[(4-fluorophenyl)methoxy]cyclohexa-2,4-dien-1-one 6-[2-amino-5-(2-bromophenoxy)-1H-pyrimidin-6-ylidene]-3-[(4-fluorophenyl)methoxy]cyclohexa-2,4-dien-1-one 482.3
6771366 C21H20ClN3O4 (4R)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-(2-hydroxyethyl)-4-(4-methoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-3-(3-chloro-4-methyl-6-oxo-cyclohexa-2,4-dien-1-ylidene)-5-(2-hydroxyethyl)-4-(4-methoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 413.9
6771367 C24H27N3O6 (4R)-5-(3-methoxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3,4,5-trimethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one (4R)-5-(3-methoxypropyl)-3-(6-oxocyclohexa-2,4-dien-1-ylidene)-4-(3,4,5-trimethoxyphenyl)-2,4-dihydro-1H-pyrrolo[3,4-c]pyrazol-6-one 453.5

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.