Molecular formula
C18H13NO4
114 compounds have this formula on CompoundList.
- Molar mass
- 307.30g/mol
- Monoisotopic mass
- 307.0845Da
- Atoms
- 36
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H13NO4 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom 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 × 1870.35%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.26%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 14.56%14.007 × 1 = 14.007 g/mol
- O Oxygen × 420.82%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H13NO4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 114 compounds
2-(2,3-Dihydro-1,4-benzodioxin-6-yl)quinoline-4-carboxylic acid
CAS 302936-17-0C18H13NO4
Methyl 2-((3,4-dihydro-3,4-dioxo-1-naphthalenyl)amino)benzoate
CAS 114832-13-2C18H13NO4
Norcepharadione B
CAS 57576-41-7C18H13NO4
2-Oxo-2-phenylethyl 2-hydroxyquinoline-4-carboxylate
CAS 312272-35-8C18H13NO4
![[4-Oxo-2-[(E)-2-phenylethenyl]-3,1-benzoxazin-6-yl] acetate chemical structure, C18H13NO4, CAS 330448-07-2](/s/LUDVEULFEIKDQU-JXMROGBWSA-N.svg)
[4-Oxo-2-[(E)-2-phenylethenyl]-3,1-benzoxazin-6-yl] acetate
CAS 330448-07-2C18H13NO4
(1,3-Dioxoisoindol-2-yl)methyl (E)-3-phenylprop-2-enoate
CAS 748812-30-8C18H13NO4
2-(1-Naphthamido)-5-hydroxybenzoic acid
CAS 376625-73-9C18H13NO4
![4-[(E)-2-(4-Oxo-4H-3,1-benzoxazin-2-yl)ethenyl]phenyl acetate chemical structure, C18H13NO4, CAS 64758-98-1](/s/AKSYEMYLRVYKAX-DHZHZOJOSA-N.svg)
4-[(E)-2-(4-Oxo-4H-3,1-benzoxazin-2-yl)ethenyl]phenyl acetate
CAS 64758-98-1C18H13NO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-phenylcyclopropane-1-carboxylate
CAS 1993468-83-9C18H13NO4
1,2-Dihydro-1,2-dihydroxy-6-nitrochrysene
CAS 91828-72-7C18H13NO4
![3-[2-(1-Benzofuran-2-yl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-one chemical structure, C18H13NO4, CAS 83393-66-2](/s/KSWJCIJABFIRIM-UHFFFAOYSA-N.svg)
3-[2-(1-Benzofuran-2-yl)-2-oxoethyl]-3-hydroxy-1,3-dihydro-2H-indol-2-one
CAS 83393-66-2C18H13NO4
4,11-Dimethoxynaphtho(2,3-f)indole-5,10-dione
CAS 184529-69-9C18H13NO4
Pareirubrine B
CAS 152845-78-8C18H13NO4
N-(3-Hydroxy-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-N-phenylacetamide
CAS 332102-48-4C18H13NO4
2-((3-(2-Methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)acetonitrile
CAS 610764-16-4C18H13NO4
1,3-Dioxolo(4,5-g)isoquinoline, 5-piperonyl-
CAS 16658-48-3C18H13NO4
2-((3-(4-Methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)acetonitrile
CAS 845809-52-1C18H13NO4
Artabonatine D
CAS 368422-65-5C18H13NO4
Naphthalen-2-yl 3-methyl-4-nitrobenzoate
CAS 313250-81-6C18H13NO4
Aristolodione
CAS 109771-09-7C18H13NO4
Hallacridone
CAS 109897-77-0C18H13NO4
5-(N-Carbobenzyloxyamino)-1,4-naphthoquinone
CAS 129112-30-7C18H13NO4
7H-Dibenzo(de,g)quinolin-7-one, 3-hydroxy-1,2-dimethoxy-
CAS 83375-15-9C18H13NO4
2-(1,3-Benzodioxol-5-yl)-6-methylquinoline-4-carboxylic acid
CAS 438220-99-6C18H13NO4
- 3-Methoxy-4-phenyl-4H-furo[3,2-b]indole-2-carboxylic acid89224-62-4C18H13NO4
- (2z)-6-Hydroxy-2-[(5-methoxy-1H-indol-3-yl)methylene]-1-benzofuran-3(2H)-one1200534-45-7C18H13NO4
- 4-{[(1-Hydroxynaphthalen-2-yl)carbonyl]amino}benzoic acid439094-47-0C18H13NO4
- N-(4-Acetylphenyl)-2-oxo-2H-chromene-3-carboxamide142818-76-6C18H13NO4
- Prop-2-ynyl 3-(1,3-dioxobenzo[de]isoquinolin-2-yl)propanoate325851-03-4C18H13NO4
- 7-Nitrobenz(a)anthracene-trans-3,4-dihydrodiol87261-28-7C18H13NO4
- Isopropyl 6-oxo-6H-anthra[1,9-cd]isoxazole-3-carboxylate312505-79-6C18H13NO4
- N-(3-Acetylphenyl)-2-oxochromene-3-carboxamide301818-00-8C18H13NO4
- Methyl 4-{[(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)methyl]amino}benzoate300808-83-7C18H13NO4
- 7H-Dibenzo(de,g)quinolin-7-one, 9-hydroxy-1,2-dimethoxy-78416-87-2C18H13NO4
- trans-9,10-Dihydro-9,10-dihydroxy-6-nitrochrysene117760-92-6C18H13NO4
- 7H-Dibenzo(de,h)quinolin-7-one, 5,10-dimethoxy-6-hydroxy-88741-67-7C18H13NO4
- (Z)-3-Oxo-2-(pyridin-3-ylmethylene)-2,3-dihydrobenzofuran-6-yl cyclopropanecarboxylate622798-86-1C18H13NO4
- 3,4-Diphenyl-5-nitro-2-acetylfuran52101-49-2C18H13NO4
- 2-(2,3-Dihydro-6-methoxy-1-oxo-1H-inden-2-yl)-1H-isoindole-1,3(2H)-dione111320-47-9C18H13NO4
- (Z)-2-((2-(3-Methoxybenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetonitrile623120-29-6C18H13NO4
- (Z)-2-((2-(2-Methoxybenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetonitrile623120-19-4C18H13NO4
- 2-[1-(1,3-Benzodioxol-5-ylamino)ethylidene]-1H-indene-1,3(2H)-dione1024232-32-3C18H13NO4
- 4-((((1,3-Dioxoindan-2-ylidene)methyl)amino)methyl)benzoic acid1022362-21-5C18H13NO4
- 2-(((1,3-Dioxoindan-2-ylidene)methyl)amino)-5-methylbenzoic acid959579-16-9C18H13NO4
- Naphthalen-2-yl 2-methyl-3-nitrobenzoate313250-83-8C18H13NO4
- (Z)-3-Oxo-2-(pyridin-4-ylmethylene)-2,3-dihydrobenzofuran-6-yl cyclopropanecarboxylate622799-46-6C18H13NO4
- 4-[(3-Hydroxynaphthalene-2-carbonyl)amino]benzoic acid61504-01-6C18H13NO4
- 2-(4-Phenoxyphenoxy)isonicotinic acid1199215-62-7C18H13NO4
- 3-(1,3-Benzodioxol-5-ylcarbonyl)-6-methylquinolin-4(1H)-one1326903-86-9C18H13NO4
- 2-(4-(Methoxycarbonyl)phenyl)quinoline-4-carboxylic acid1165799-99-4C18H13NO4
- 2-Hydroxy-1,3-dimethoxy-7H-dibenzo[de,g]quinolin-7-one5574-23-2C18H13NO4
- Benz(a)anthracene-3,4-diol, 3,4-dihydro-7-nitro-, trans-106624-77-5C18H13NO4
- 2-(((1,3-Dioxoindan-2-ylidene)methyl)amino)-6-methylbenzoic acid1024126-55-3C18H13NO4
- 8-(Acetyloxy)-2-phenyl-4-quinolinecarboxylic acid174636-92-1C18H13NO4
- 4-[(Furan-2-ylcarbonyl)amino]phenyl benzoate823837-03-2C18H13NO4
- N-(2-Methoxydibenzofuran-3-yl)furan-2-carboxamide446858-74-8C18H13NO4
- 1-Naphthylacetic acid 4-nitrophenyl ester51537-87-2C18H13NO4
- 7-[(Benzyloxy)methoxy]-2-oxo-2H-chromene-3-carbonitrile277309-34-9C18H13NO4
- (4Z)-4-[[3-(Acetyloxy)phenyl]methylene]-2-phenyl-5(4H)-oxazolone500221-96-5C18H13NO4
- 6-(4-Phenoxyphenoxy)pyridine-3-carboxylic acid1181458-42-3C18H13NO4
- Methyl 2-{[(4E)-5-oxo-2-phenyl-4,5-dihydro-1,3-oxazol-4-ylidene]methyl}benzoate88590-43-6C18H13NO4
- 7-Nitrobenz(a)anthracene-trans-8,9-dihydrodiol87259-00-5C18H13NO4
- (4Z)-4-(2H-1,3-Benzodioxol-5-ylmethylidene)-2-(4-methylphenyl)-4,5-dihydro-1,3-oxazol-5-one16352-78-6C18H13NO4
- 3,4-Diphenyl-1H-pyrrole-2,5-dicarboxylic acid1632-49-1C18H13NO4
- 2-(1,3-Benzodioxol-5-yl)-8-methylquinoline-4-carboxylic acid932796-11-7C18H13NO4
- 2-[(3-Hydroxynaphthalene-2-carbonyl)amino]benzoic acid95731-13-8C18H13NO4
- 1,3-Dioxoisoindolin-2-yl 2,3-dihydro-1H-indene-2-carboxylate1872262-67-3C18H13NO4
- Benz(a)anthracene-5,6-diol, 5,6-dihydro-7-nitro-, cis-119056-55-2C18H13NO4
- 1-(3-Hydroxyphenyl)-2-methyl-1H-chromeno[2,3-c]pyrrole-3,9-dione866238-62-2C18H13NO4
- 4-Carboxy-2-phenyl-3-quinolineacetic acid43071-31-4C18H13NO4
- 2-Hydroxy-3-phenylaminocarbonyl-6-hydroxycarbonylnaphthalene183962-84-7C18H13NO4
- 4,5-Diphenylpyrrole-2,3-dicarboxylic acid73799-66-3C18H13NO4
- N-(3-Acetylphenyl)-4-oxo-4H-chromene-3-carboxamide477555-28-5C18H13NO4
- 3-[(1-Hydroxynaphthalene-2-carbonyl)amino]benzoic acid20119-22-6C18H13NO4
- N-([2,2'-Bifuran]-5-ylmethyl)benzofuran-2-carboxamide2034594-01-7C18H13NO4
- N-([2,3'-Bifuran]-5-ylmethyl)benzofuran-2-carboxamide2034566-08-8C18H13NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,2R)-2-phenylcyclopropane-1-carboxylate2152645-21-9C18H13NO4
- 5-(4-Methylphenyl)-3-[(3-nitrophenyl)methylidene]furan-2-one419545-79-2C18H13NO4
- [(Z)-(2-Benzyl-5-oxo-1,3-oxazol-4-ylidene)methyl] benzoate7251-80-1C18H13NO4
- 4-{(E)-[2-(3-Methylphenyl)-5-oxo-1,3-oxazol-4(5H)-ylidene]methyl}benzoic acid369637-23-0C18H13NO4
- 2-((5-Oxo-2-phenyloxazol-4(5H)-ylidene)methyl)phenyl acetate52900-70-6C18H13NO4
- Benzo[d]oxazol-2-ylmethyl 2H-chromene-3-carboxylate1090751-54-4C18H13NO4
- Methyl 2-(naphthalen-1-yl)-3-nitrobenzoate857539-88-9C18H13NO4
- 2-Naphthalenecarboxylic acid, 3-hydroxy-7-[(phenylamino)carbonyl]-205522-30-1C18H13NO4
- 2-Phenyl-4-[(Z)-2-acetoxybenzylidene]-4,5-dihydrooxazole-5-oneC18H13NO4
- 4-Quinolinecarboxylic acid,2-(2-carboxyphenyl)-6-methyl-153465-48-6C18H13NO4
- (5-Phenyl-1,3-oxazol-2-yl)methyl 2-formylbenzoate930711-93-6C18H13NO4
- Methyl 2-[(5-oxo-2-phenyl-4,5-dihydro-1,3-oxazol-4-ylidene)methyl]benzoateC18H13NO4
- 2-[[3-(3-Methoxyphenyl)-2-propyn-1-yl]oxy]-1H-isoindole-1,3(2H)-dione208183-96-4C18H13NO4
- 2H-1-Benzopyran-2-one, 3-(2H-1,4-benzoxazin-3-yl)-8-methoxy-106578-19-2C18H13NO4
- 2-Hydroxy-8-methoxy-11H-benzo[a]carbazole-3-carboxylic acid114608-53-6C18H13NO4
- 7-Methoxy-2-(4-methoxyphenyl)-4-oxo-4H-1-benzopyran-3-carbonitrile648434-19-9C18H13NO4
- Methyl 3-(naphthalen-1-yl)-5-nitrobenzoate1820642-15-6C18H13NO4
- 6-Acetyl-2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,2-dihydroquinoline-4-carboxylic acid89684-57-1C18H13NO4
- 2-Propen-1-one, 1-(2-furyl)-3-[5-[N-(o-hydroxyphenyl)formimidoyl]-2-furyl]-6575-30-0C18H13NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-methylbicyclo[4.2.0]octa-1(6),2,4-triene-7-carboxylate2248339-42-4C18H13NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3-dihydro-1H-indene-1-carboxylate2248342-87-0C18H13NO4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1S,2S)-2-phenylcyclopropane-1-carboxylate2248175-07-5C18H13NO4
- Methyl 5-benzoyl-2-phenyloxazole-4-carboxylate1923190-22-0C18H13NO4
- Methyl 4-(4-hydroxyisoquinoline-1-carbonyl)benzoate1374249-68-9C18H13NO4
Frequently asked questions
What is the molar mass of C18H13NO4?
The molar mass of C18H13NO4 is 307.30 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 307.0845 Da.
How many compounds have the formula C18H13NO4?
CompoundList lists 114 compounds with the molecular formula C18H13NO4, including 2-(2,3-Dihydro-1,4-benzodioxin-6-yl)quinoline-4-carboxylic acid, Methyl 2-((3,4-dihydro-3,4-dioxo-1-naphthalenyl)amino)benzoate, Norcepharadione B. 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 C18H13NO4?
C18H13NO4 has a degree of unsaturation of 13. 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.