Molecular formula
C18H12N2O4
89 compounds have this formula on CompoundList.
- Molar mass
- 320.30g/mol
- Monoisotopic mass
- 320.0797Da
- Atoms
- 36
- Elements
- 4
- Rings plus double bonds
- 14
The formula C18H12N2O4 describes a molecule made of 18 carbon atoms, 12 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1867.50%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 123.78%1.008 × 12 = 12.096 g/mol
- N Nitrogen × 28.75%14.007 × 2 = 28.014 g/mol
- O Oxygen × 419.98%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H12N2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 89 of 89 compounds
p-Terphenyl, 4,4''-dinitro-
CAS 3282-11-9C18H12N2O4
1,4-Phenylene diisonicotinate
CAS 154306-50-0C18H12N2O4
8-Methoxy-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one
CAS 325804-24-8C18H12N2O4
![N-[3-(1,3-Benzoxazol-2-yl)-4-hydroxyphenyl]-2-furamide chemical structure, C18H12N2O4, CAS 327051-25-2](/s/OXFBYHHYNPLBGQ-UHFFFAOYSA-N.svg)
N-[3-(1,3-Benzoxazol-2-yl)-4-hydroxyphenyl]-2-furamide
CAS 327051-25-2C18H12N2O4
![3-[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]-2H-chromen-2-one chemical structure, C18H12N2O4, CAS 98986-43-7](/s/RGZMEEKLEBLKGO-UHFFFAOYSA-N.svg)
3-[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]-2H-chromen-2-one
CAS 98986-43-7C18H12N2O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1H-indol-3-yl)acetate
CAS 145917-81-3C18H12N2O4
Hyrtiosin B
CAS 862200-48-4C18H12N2O4
N,N'-Ethylenediphthalimide
CAS 607-26-1C18H12N2O4
6-Methoxy-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one
CAS 180403-58-1C18H12N2O4
N-(2-Methyl-1,3-dioxoisoindol-5-yl)-1-benzofuran-2-carboxamide
CAS 433242-33-2C18H12N2O4
![1-[2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl]-1H-indole-2,3-dione chemical structure, C18H12N2O4, CAS 303065-17-0](/s/TXVSPUSIUGUYPS-UHFFFAOYSA-N.svg)
1-[2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl]-1H-indole-2,3-dione
CAS 303065-17-0C18H12N2O4
4-Cyanophenyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate
CAS 727980-91-8C18H12N2O4
2-(6-Methoxy-2-oxo-2H-chromen-3-yl)-3,4-dihydroquinazolin-4-one
CAS 212207-05-1C18H12N2O4
![3-[3-(3-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]chromen-2-one chemical structure, C18H12N2O4, CAS 724446-47-3](/s/IXQVZFBJFFNKRT-UHFFFAOYSA-N.svg)
3-[3-(3-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]chromen-2-one
CAS 724446-47-3C18H12N2O4
Xanthocillin Y2
CAS 38965-70-7C18H12N2O4
2,6-DI(4-Carboxyphenyl)pyrazine
CAS 623157-25-5C18H12N2O4
4-(2-Oxo-2H-chromene-3-carbonyl)-3,4-dihydroquinoxalin-2(1H)-one
CAS 371141-86-5C18H12N2O4
![Methyl 6-(2-furyl)-3-phenylisoxazolo[5,4-b]pyridine-4-carboxylate chemical structure, C18H12N2O4, CAS 938022-16-3](/s/IARVTPJLTJSEDJ-UHFFFAOYSA-N.svg)
Methyl 6-(2-furyl)-3-phenylisoxazolo[5,4-b]pyridine-4-carboxylate
CAS 938022-16-3C18H12N2O4
2,2'-Dimethyl(6,6'-bi-4H-3,1-benzoxazine)-4,4'-dione
CAS 2130-57-6C18H12N2O4
![1-[4-(4-Oxo-3,1-benzoxazin-2-yl)phenyl]pyrrolidine-2,5-dione chemical structure, C18H12N2O4, CAS 166388-11-0](/s/NDSAJCWPDOCOLO-UHFFFAOYSA-N.svg)
1-[4-(4-Oxo-3,1-benzoxazin-2-yl)phenyl]pyrrolidine-2,5-dione
CAS 166388-11-0C18H12N2O4
1-(3-(4-Oxo-4H-3,1-benzoxazin-2-yl)phenyl)-2,5-pyrrolidinedione
CAS 294891-82-0C18H12N2O4
2,4-Dinitro-5-phenylbiphenyl
CAS 150758-05-7C18H12N2O4
4,6-DI(4-Carboxyphenyl)pyrimidine
CAS 609356-00-5C18H12N2O4
![N-[4-(1,3-Benzoxazol-2-yl)-3-hydroxyphenyl]-2-furamide chemical structure, C18H12N2O4, CAS 327051-52-5](/s/NNZDARODPSSTBP-UHFFFAOYSA-N.svg)
N-[4-(1,3-Benzoxazol-2-yl)-3-hydroxyphenyl]-2-furamide
CAS 327051-52-5C18H12N2O4
- N-(4-Methyl-5-oxo-5H-chromeno[4,3-b]pyridin-2-yl)furan-2-carboxamide851411-44-4C18H12N2O4
- 5,6-Diphenyl-3,4-pyridazinedicarboxylic acid253144-69-3C18H12N2O4
- 9-Methoxy-4-((4-pyridinylmethylene)amino)-7H-furo(3,2-g)chromen-7-one78439-67-5C18H12N2O4
- 9-Methoxy-4-((2-pyridinylmethylene)amino)-7H-furo(3,2-g)chromen-7-one78439-65-3C18H12N2O4
- 2-(2,5-Dioxo-1-phenyl-3-pyrrolidinyl)-1H-isoindole-1,3(2H)-dione52604-93-0C18H12N2O4
- (E)-3-[5-(2-Nitrophenyl)furan-2-yl]-1-pyridin-3-ylprop-2-en-1-one461682-55-3C18H12N2O4
- 2,2'-(1,4-Phenylene)dinicotinic Acid2375195-96-1C18H12N2O4
- 2-[(6-Methyl-4-oxo-3,1-benzoxazin-2-yl)methyl]isoindole-1,3-dione298212-63-2C18H12N2O4
- 7-Methoxy 3-(3-phenyl 1,2,4-oxadiazol-5-yl) coumarin51868-52-1C18H12N2O4
- 2,5-Di(2-pyridyl)terephthalic Acid1858269-69-8C18H12N2O4
- 2,5-Di(pyridin-4-yl)terephthalic acid2055880-12-9C18H12N2O4
- N'-(2-Furylcarbonyl)naphtho[2,1-b]furan-2-carbohydrazide478259-88-0C18H12N2O4
- N-(11-Oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)furan-2-carboxamide922108-71-2C18H12N2O4
- 8-Hydroxy-3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-2H-chromen-2-one931717-78-1C18H12N2O4
- 1~4~,2~4~-Dinitro-1~1~,2~1~:2~3~,3~1~-terphenyl60366-29-2C18H12N2O4
- 1H-Indole-2-carboxylic acid, 5-[(2-benzofuranylcarbonyl)amino]-110314-42-6C18H12N2O4
- 2-Oxo-N-(2-oxoindolin-5-yl)-2H-chromene-3-carboxamide921774-77-8C18H12N2O4
- 5,5'-(1,4-Phenylene)di(pyridine-2-carboxylic acid)99568-12-4C18H12N2O4
- 2-(N-Methylanilino)pyrano[3,2-g][1,3]benzoxazine-4,8-dione60432-52-2C18H12N2O4
- 4-([1]Benzofuro[3,2-d]pyrimidin-4-yloxy)-3-methoxybenzaldehyde721409-55-8C18H12N2O4
- 1,3-Dibenzoyl-1,2,3,4-tetrahydropyrimidine-2,4-dione4330-14-7C18H12N2O4
- 3-(Benzofuran-2-carboxamido)benzofuran-2-carboxamide898355-08-3C18H12N2O4
- 3-(1H-Benzimidazol-2-yl)-4-oxo-4H-1-benzopyran-7-yl acetate185382-44-9C18H12N2O4
- Methyl 2-(2-oxo-2H-chromen-3-yl)imidazo[1,2-a]pyridine-8-carboxylate1325305-54-1C18H12N2O4
- 4,4'-(Pyrimidine-2,5-diyl)dibenzoic acid126676-00-4C18H12N2O4
- 4-[3-(3-Hydroxy-quinoxalin-2-yl) acryloyl] benzoic acid867166-54-9C18H12N2O4
- 2-(8-Methoxy-2-oxo-2H-chromen-3-yl)quinazolin-4(3H)-one2319877-30-8C18H12N2O4
- 2-Propenoic acid, 3-phenyl-, 7-nitro-8-quinolinyl ester29007-27-0C18H12N2O4
- [5-(Furan-2-yl)-1,2-oxazol-3-yl]methyl quinoline-2-carboxylate1208754-38-4C18H12N2O4
- Succinimidyl acridine-9-carboxylate114932-59-1C18H12N2O4
- 7-Methoxy-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one51867-57-3C18H12N2O4
- 1,3-Bis(5-carboxypyridin-2-yl)benzene908297-79-0C18H12N2O4
- Methyl 4-(4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)benzoate1169550-09-7C18H12N2O4
- Di(pyridin-2-yl) terephthalate901763-85-7C18H12N2O4
- 1-Pyrenamine, N-(acetyloxy)-8-nitro-104544-40-3C18H12N2O4
- 3,3'-(Pyrazine-2,6-diyl)dibenzoic acid623157-24-4C18H12N2O4
- 1H,1'H-[3,3'-Biindole]-2,2'-dicarboxylic acid83894-22-8C18H12N2O4
- 3-(2-(p-Tolyl)oxazol-4-yl)benzo[d]isoxazole-5-carboxylic acid1422066-11-2C18H12N2O4
- YT4Wfv7rba167905-71-7C18H12N2O4
- 2,3-Bis(4-cyanophenyl)butanedioic acid849139-21-5C18H12N2O4
- 2,5-Bis(4-carboxyphenyl)pyrazine122665-53-6C18H12N2O4
- 3,6-Bis(4-hydroxyphenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione247079-10-3C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methyl-1H-indole-3-carboxylate2248339-17-3C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-methyl-1H-indole-3-carboxylate2248335-16-0C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-cyano-2,6-dimethylbenzoate2248269-55-6C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-1H-indole-3-carboxylate2248368-18-3C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-methyl-1H-indole-2-carboxylate2248325-77-9C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-methyl-1H-indole-2-carboxylate2248409-52-9C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(4-cyanophenyl)propanoate2248327-34-4C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1H-indol-1-yl)acetate2248319-81-3C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-1H-indole-2-carboxylate2248361-41-1C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-methyl-1H-indole-3-carboxylate2248325-81-5C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-1H-indole-3-carboxylate2248410-24-2C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[2-(cyanomethyl)phenyl]acetate2248317-07-7C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-1H-indole-4-carboxylate2248334-83-8C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 8-methylindolizine-2-carboxylate2248398-22-1C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-1H-indole-5-carboxylate2248289-46-3C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-1H-indole-6-carboxylate2248289-49-6C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1H-indol-5-yl)acetate2248366-94-9C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-1H-indole-7-carboxylate2248414-70-0C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2-cyanophenyl)propanoate2248309-99-9C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-cyano-3,5-dimethylbenzoate2248414-53-9C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-1H-indole-2-carboxylate2248406-45-1C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-methylindolizine-6-carboxylate2248314-54-5C18H12N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-cyano-2-phenylpropanoate2248386-72-1C18H12N2O4
Frequently asked questions
What is the molar mass of C18H12N2O4?
The molar mass of C18H12N2O4 is 320.30 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 320.0797 Da.
How many compounds have the formula C18H12N2O4?
CompoundList lists 89 compounds with the molecular formula C18H12N2O4, including p-Terphenyl, 4,4''-dinitro-, 1,4-Phenylene diisonicotinate, 8-Methoxy-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C18H12N2O4?
C18H12N2O4 has a degree of unsaturation of 14. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.