Molecular formula
C18H13N3O4
83 compounds have this formula on CompoundList.
- Molar mass
- 335.32g/mol
- Monoisotopic mass
- 335.0906Da
- Atoms
- 38
- Elements
- 4
- Rings plus double bonds
- 14
The formula C18H13N3O4 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 3 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 × 1864.48%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 133.91%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 312.53%14.007 × 3 = 42.021 g/mol
- O Oxygen × 419.09%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H13N3O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 83 of 83 compounds
![[4-[(E)-(Pyridine-2-carbonylhydrazinylidene)methyl]phenyl] furan-2-carboxylate chemical structure, C18H13N3O4, CAS 341981-90-6](/s/WHGZGSVMCJFTBI-UDWIEESQSA-N.svg)
[4-[(E)-(Pyridine-2-carbonylhydrazinylidene)methyl]phenyl] furan-2-carboxylate
CAS 341981-90-6C18H13N3O4
![2-{[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H-isoindole-1,3(2H)-dione chemical structure, C18H13N3O4, CAS 219611-79-7](/s/LEZMJMGYBFDCRT-UHFFFAOYSA-N.svg)
2-{[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H-isoindole-1,3(2H)-dione
CAS 219611-79-7C18H13N3O4
3-(1H-Pyrrol-1-yl)-2-benzofurancarboxylic acid 2-(2-furanylcarbonyl)hydrazide
CAS 866040-19-9C18H13N3O4
![3-[3-(3-Nitrophenyl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enoic acid chemical structure, C18H13N3O4, CAS 381214-35-3](/s/SXEMOKJMUGXOSV-MDZDMXLPSA-N.svg)
3-[3-(3-Nitrophenyl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enoic acid
CAS 381214-35-3C18H13N3O4
![2-(2,4-Dioxo-3-phenyl-[1]benzofuro[3,2-d]pyrimidin-1-yl)acetamide chemical structure, C18H13N3O4, CAS 877656-68-3](/s/QXEJJGOSPUEZIG-UHFFFAOYSA-N.svg)
2-(2,4-Dioxo-3-phenyl-[1]benzofuro[3,2-d]pyrimidin-1-yl)acetamide
CAS 877656-68-3C18H13N3O4
3-(2-Furyl)-1-(2-pyridinylmethoxy)-2(1H)-quinoxalinone 4-oxide
CAS 700861-11-6C18H13N3O4
![N-[2-Methoxy-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]furan-2-carboxamide chemical structure, C18H13N3O4, CAS 885001-36-5](/s/NLXZYSODFOAMSB-UHFFFAOYSA-N.svg)
N-[2-Methoxy-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]furan-2-carboxamide
CAS 885001-36-5C18H13N3O4
(E)-N'-((5-(4-Nitrophenyl)furan-2-yl)methylene)benzohydrazide
CAS 19934-26-0C18H13N3O4
![3-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(1,2-oxazol-3-yl)propanamide chemical structure, C18H13N3O4, CAS 609792-13-4](/s/VHDWLJGVPWNNIJ-UHFFFAOYSA-N.svg)
3-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(1,2-oxazol-3-yl)propanamide
CAS 609792-13-4C18H13N3O4
(E)-N'-((5-(2-Nitrophenyl)furan-2-yl)methylene)benzohydrazide
CAS 20924-95-2C18H13N3O4
![4-{(E)-[2-(Pyridin-4-ylcarbonyl)hydrazinylidene]methyl}phenyl furan-2-carboxylate chemical structure, C18H13N3O4, CAS 339225-55-7](/s/KHRDTAFEKWFWTA-UDWIEESQSA-N.svg)
4-{(E)-[2-(Pyridin-4-ylcarbonyl)hydrazinylidene]methyl}phenyl furan-2-carboxylate
CAS 339225-55-7C18H13N3O4
![N-[(E)-[5-(3-Nitrophenyl)furan-2-yl]methylideneamino]benzamide chemical structure, C18H13N3O4, CAS 19934-30-6](/s/DQBCUDBHHDKMAO-XDHOZWIPSA-N.svg)
N-[(E)-[5-(3-Nitrophenyl)furan-2-yl]methylideneamino]benzamide
CAS 19934-30-6C18H13N3O4
(E)-N-((((9H-Fluoren-9-yl)methoxy)carbonyl)oxy)-2-amino-2-oxoacetimidoyl cyanide
CAS 1370440-28-0C18H13N3O4
![N'-[(5-Nitro-2-furyl)methylene]-4-biphenylcarbohydrazide chemical structure, C18H13N3O4, CAS 316136-67-1](/s/BFJUUCOLKWTLJX-XDHOZWIPSA-N.svg)
N'-[(5-Nitro-2-furyl)methylene]-4-biphenylcarbohydrazide
CAS 316136-67-1C18H13N3O4
![N'-[(2-Hydroxy-1-naphthyl)methylene]-3-nitrobenzohydrazide chemical structure, C18H13N3O4, CAS 316131-61-0](/s/IGTUDPHMTXCFBF-YBFXNURJSA-N.svg)
N'-[(2-Hydroxy-1-naphthyl)methylene]-3-nitrobenzohydrazide
CAS 316131-61-0C18H13N3O4
2-(1,3-Dioxoisoindolin-2-yl)-N-(2-oxoindolin-5-yl)acetamide
CAS 921865-69-2C18H13N3O4
![N-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)cinnamamide chemical structure, C18H13N3O4, CAS 1006810-92-9](/s/CHGBNZNLQMQPPZ-RMKNXTFCSA-N.svg)
N-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)cinnamamide
CAS 1006810-92-9C18H13N3O4
4,4'-Dinitrotriphenylamine
CAS 1100-10-3C18H13N3O4
1H-Naphth(2,3-f)isoindole-1,3,5,10(2H)-tetrone, 4,11-diamino-2-ethyl-
CAS 65121-70-2C18H13N3O4
![2-[2-(1H-Indol-3-yl)ethyl]-4-nitroisoindole-1,3-dione chemical structure, C18H13N3O4, CAS 293324-73-9](/s/BHNSAAKOBFHENT-UHFFFAOYSA-N.svg)
2-[2-(1H-Indol-3-yl)ethyl]-4-nitroisoindole-1,3-dione
CAS 293324-73-9C18H13N3O4
![N-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]-3-methoxynaphthalene-2-carboxamide chemical structure, C18H13N3O4, CAS 887884-96-0](/s/POFHIXDOMVHCER-UHFFFAOYSA-N.svg)
N-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]-3-methoxynaphthalene-2-carboxamide
CAS 887884-96-0C18H13N3O4
3-Hydroxy-N'-(2-nitrobenzylidene)-2-naphthohydrazide
CAS 1448325-03-8C18H13N3O4
![2-[2-(5-Nitro-1H-indol-3-yl)ethyl]-1H-isoindole-1,3(2H)-dione chemical structure, C18H13N3O4, CAS 55747-70-1](/s/WWHZNYPUDWFMNV-UHFFFAOYSA-N.svg)
2-[2-(5-Nitro-1H-indol-3-yl)ethyl]-1H-isoindole-1,3(2H)-dione
CAS 55747-70-1C18H13N3O4
2,4-Dinitro-N,N-diphenylaniline
CAS 68522-81-6C18H13N3O4
- 3-[5-[(E)-(Pyridine-4-carbonylhydrazinylidene)methyl]furan-2-yl]benzoic acid301809-37-0C18H13N3O4
- Menadione mono-p-nitrobenzoylhydrazone3161-55-5C18H13N3O4
- (3E)-2-Acetyl-3-[(E)-(4-nitrophenyl)methylidenehydrazinylidene]inden-1-one351371-99-8C18H13N3O4
- Bis-(2-nitrophenyl)phenylamine127074-39-9C18H13N3O4
- 5-(Furan-2-yl)-N-(4-methyl-2-oxo-1,2-dihydroquinolin-7-yl)isoxazole-3-carboxamide1251679-75-0C18H13N3O4
- N-(2-(6-Oxo-1,6-dihydropyridazin-3-yl)phenyl)benzo[d][1,3]dioxole-5-carboxamide1428372-66-0C18H13N3O4
- 5-Methyl-N-{10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}-1,2-oxazole-4-carboxamide1428356-57-3C18H13N3O4
- 4-Hydroxy-3-(3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)quinolin-2(1H)-one1251546-76-5C18H13N3O4
- (1)Benzopyrano(2,3-b)(1,5)benzodiazepin-13(6H)-one, 6-ethyl-9-nitro-115396-38-8C18H13N3O4
- (1)Benzopyrano(2,3-b)(1,5)benzodiazepin-13(6H)-one, 2,6-dimethyl-9-nitro-115396-42-4C18H13N3O4
- 2-{[3-(3-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H-isoindole-1,3(2H)-dione899517-58-9C18H13N3O4
- 8-Ethoxy-3-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]-2H-chromen-2-one892754-99-3C18H13N3O4
- 8-Ethoxy-3-[3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]-2H-chromen-2-one892755-19-0C18H13N3O4
- 2-Nitrophenyl-(4-nitrophenyl)phenylamine887407-14-9C18H13N3O4
- N-(8-Methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)isoxazole-5-carboxamide1211713-36-8C18H13N3O4
- 2-(2,4-Dioxo-1,2-dihydrobenzofuro[3,2-d]pyrimidin-3(4H)-yl)-N-phenylacetamide1251630-33-7C18H13N3O4
- 3-Nitro-N-(3-nitrophenyl)-N-phenylbenzenamine105391-34-2C18H13N3O4
- 5-[2-(4-Amino-1-naphthalenyl)diazenyl]-1,3-benzenedicarboxylic acid132736-02-8C18H13N3O4
- 3-Methyl-4-oxo-N-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)-3,4-dihydrophthalazine-1-carboxamide1020242-97-0C18H13N3O4
- N-((5-(Furan-2-yl)isoxazol-3-yl)methyl)-2-(1H-indol-3-yl)-2-oxoacetamide1105241-85-7C18H13N3O4
- N-(5-(7-Methoxybenzofuran-2-yl)-1,3,4-oxadiazol-2-yl)benzamide921991-05-1C18H13N3O4
- N-((5-(Furan-2-yl)isoxazol-3-yl)methyl)-5-phenyloxazole-2-carboxamide1208789-75-6C18H13N3O4
- N-((5-(Benzofuran-2-yl)isoxazol-3-yl)methyl)-2-oxo-1,2-dihydropyridine-3-carboxamide1210466-63-9C18H13N3O4
- 2-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)isoindoline-1,3-dione1208724-70-2C18H13N3O4
- N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)furan-2-carboxamide1797603-21-4C18H13N3O4
- N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)furan-3-carboxamide1797963-03-1C18H13N3O4
- N1-([2,2'-bifuran]-5-ylmethyl)-N2-(2-cyanophenyl)oxalamide2034339-76-7C18H13N3O4
- N1-([2,3'-bifuran]-5-ylmethyl)-N2-(2-cyanophenyl)oxalamide2034442-75-4C18H13N3O4
- 3-[5-(2-Aminophenyl)-1,3,4-oxadiazol-2-yl]-7-methoxy-2H-chromen-2-one2309625-19-0C18H13N3O4
- 1-[5-(Pyridin-4-yl)-1,2-oxazole-3-carbonyl]-2,3-dihydro-1H-indole-3-carboxylic acid2249242-03-1C18H13N3O4
- 3-[2-(1,3-Dioxoisoindol-2-yl)ethyl]-2H-phthalazine-1,4-dione87365-29-5C18H13N3O4
- 2-Oxo-2-(2-((4-oxo-4H-chromen-3-yl)methylene)hydrazinyl)-N-phenylacetamide881468-16-2C18H13N3O4
- 5-Amino-4,6-dicyanobiphenyl-2,3-dicarboxylic acid dimethyl ester960224-24-2C18H13N3O4
- N-(3-Methyl-2-oxo-3H-benzooxazol-5-yl)-4-oxo-1H-quinoline-3-carboxamide873054-84-3C18H13N3O4
- 5-(2-Nitrobenzoyl)-5,6,7,8-tetrahydro-9H-pyrido[3,2-b]indol-9-one1255717-96-4C18H13N3O4
- 1-[5-(Pyridin-3-yl)-1,2-oxazole-3-carbonyl]-2,3-dihydro-1H-indole-3-carboxylic acid1830597-88-0C18H13N3O4
- 4-[(4-Nitrophenyl)diazenyl]naphthalen-1-yl acetate74324-61-1C18H13N3O4
- 4,4'-(3-Methyl-1,2,4-triazine-5,6-diyl)dibenzoic acid109424-71-7C18H13N3O4
- 3,3'-Azanediylbis(4-hydroxyquinolin-2(1H)-one)90061-38-4C18H13N3O4
- 1-[2-(4-Acetyl-2-nitrophenyl)hydrazinylidene]naphthalen-2(1H)-one88638-69-1C18H13N3O4
- 4-Hydroxy-3-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]-1H-quinolin-2-one2415628-34-9C18H13N3O4
- 2,4-Dibenzoyl-6-methyl-1,2,4-triazine-3,5(2H,4H)-dione4330-09-0C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1H-1,3-benzodiazol-2-yl)propanoate2248293-94-7C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-ethyl-1H-1,3-benzodiazole-2-carboxylate2248406-66-6C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1,2-dimethyl-1H-1,3-benzodiazole-6-carboxylate2248345-61-9C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-{1H-pyrrolo[2,3-b]pyridin-1-yl}propanoate2248306-81-0C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1H-1,3-benzodiazol-1-yl)propanoate753489-52-0C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{8-methylimidazo[1,2-a]pyridin-2-yl}acetate2248393-75-9C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1H-indazol-3-yl)propanoate2248280-14-8C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1-methyl-1H-indazol-3-yl)acetate2248325-36-0C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(2-methyl-1H-1,3-benzodiazol-1-yl)acetate753489-53-1C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{8-methylimidazo[1,2-a]pyridin-3-yl}acetate2248304-35-8C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1H-1,3-benzodiazol-1-yl)propanoate2248272-71-9C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyano-5,6,7,8-tetrahydroindolizine-3-carboxylate2248366-66-5C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,4-dimethylpyrrolo[1,2-a]pyrimidine-8-carboxylate2248289-30-5C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1-methyl-1H-indazol-5-yl)acetate2248382-24-1C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-ethylimidazo[1,2-a]pyridine-5-carboxylate2248297-00-7C18H13N3O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-cyano-5-(dimethylamino)benzoate2248342-82-5C18H13N3O4
- 2-(2,6-Dioxopiperidin-3-yl)-5-(pyridin-3-yl)isoindoline-1,3-dione2924858-31-9C18H13N3O4
Frequently asked questions
What is the molar mass of C18H13N3O4?
The molar mass of C18H13N3O4 is 335.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 335.0906 Da.
How many compounds have the formula C18H13N3O4?
CompoundList lists 83 compounds with the molecular formula C18H13N3O4, including [4-[(E)-(Pyridine-2-carbonylhydrazinylidene)methyl]phenyl] furan-2-carboxylate, 2-{[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1H-isoindole-1,3(2H)-dione, 3-(1H-Pyrrol-1-yl)-2-benzofurancarboxylic acid 2-(2-furanylcarbonyl)hydrazide. 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 C18H13N3O4?
C18H13N3O4 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.