Molecular formula
C18H13NO3
106 compounds have this formula on CompoundList.
- Molar mass
- 291.31g/mol
- Monoisotopic mass
- 291.0895Da
- Atoms
- 35
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H13NO3 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 3 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 × 1874.22%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.50%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 14.81%14.007 × 1 = 14.007 g/mol
- O Oxygen × 316.48%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H13NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 106 compounds
Naptalam
CAS 132-66-1C18H13NO3
4-(2-Hydroxy-1-naphthylmethyleneamino)benzoic acid
CAS 796-48-5C18H13NO3
Lysicamine
CAS 15444-20-9C18H13NO3
4-Nitro-2,6-diphenylphenol
CAS 2423-73-6C18H13NO3
2-(2-Hydroxy-1-naphthylmethyleneamino)benzoic acid
CAS 796-47-4C18H13NO3
3-(2-Hydroxy-1-naphthylmethyleneamino)benzoic acid
CAS 88826-07-7C18H13NO3
![6-(2-Hydroxyethyl)-5H-indeno[1,2-c]isoquinoline-5,11(6H)-dione chemical structure, C18H13NO3, CAS 81721-79-1](/s/UHXGJXGJNJTBRV-UHFFFAOYSA-N.svg)
6-(2-Hydroxyethyl)-5H-indeno[1,2-c]isoquinoline-5,11(6H)-dione
CAS 81721-79-1C18H13NO3
![1H-Benzo[a]carbazole-1,4(11H)-dione, 8-methoxy-11-methyl- chemical structure, C18H13NO3, CAS 605685-94-7](/s/NJELFFLROCNKMT-UHFFFAOYSA-N.svg)
1H-Benzo[a]carbazole-1,4(11H)-dione, 8-methoxy-11-methyl-
CAS 605685-94-7C18H13NO3
2-((2-Naphthylamino)carbonyl)benzoic acid
CAS 7554-84-9C18H13NO3
N-(3-Benzoylphenyl)furan-2-carboxamide
CAS 194289-55-9C18H13NO3
2-Oxo-2-phenylethyl quinoline-2-carboxylate
CAS 508231-63-8C18H13NO3
3-((Furan-2-yl)methylidene)-1H,2H,3H-cyclopenta(b)quinoline-9-carboxylic acid
CAS 22311-77-9C18H13NO3
8-Hydroxy-2-styrylquinoline-7-carboxylic acid
CAS 281207-48-5C18H13NO3
![17-Hydroxy-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaene-16,18-dione chemical structure, C18H13NO3, CAS 121386-99-0](/s/DDUDCIJMSQNCKW-UHFFFAOYSA-N.svg)
17-Hydroxy-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaene-16,18-dione
CAS 121386-99-0C18H13NO3
4-(4-Nitrophenoxy)-1,1'-biphenyl
CAS 6641-61-8C18H13NO3
Pareitropone
CAS 164176-12-9C18H13NO3
Bianfugecine
CAS 96681-50-4C18H13NO3
![2-[(4-Methyl-2-oxo-3-phenyl-2H-chromen-7-yl)oxy]acetonitrile chemical structure, C18H13NO3, CAS 869079-65-2](/s/FINLDXCYRXKLCE-UHFFFAOYSA-N.svg)
2-[(4-Methyl-2-oxo-3-phenyl-2H-chromen-7-yl)oxy]acetonitrile
CAS 869079-65-2C18H13NO3
N-Dibenzofuran-3-yl-5-methylfuran-2-carboxamide
CAS 383164-59-8C18H13NO3
2-(2-Naphthyl)-2-oxoethyl isonicotinate
CAS 516468-64-7C18H13NO3
2-(Indoline-1-carbonyl)-4H-chromen-4-one
CAS 361166-59-8C18H13NO3
RefChem:345344
CAS 60072-40-4C18H13NO3
7-(Benzyloxy)-4-methyl-2-oxo-2H-chromene-3-carbonitrile
CAS 331651-91-3C18H13NO3
2-(2-Naphthamido)benzoic acid
CAS 106696-36-0C18H13NO3
- (2Z)-6-Hydroxy-2-[(1-methyl-1H-indol-3-yl)methylene]-1-benzofuran-3(2H)-one929339-21-9C18H13NO3
- Methyl 2-hydroxy-11H-benzo[a]carbazole-3-carboxylate93632-10-1C18H13NO3
- N-(2-Oxo-6-phenyl-2H-pyran-3-yl)benzamide21316-75-6C18H13NO3
- N-Naphthalen-1-yl-1,3-benzodioxole-5-carboxamide544684-02-8C18H13NO3
- Benzo[j]phenanthridine-1,7,12(2H)-trione, 3,4-dihydro-6-methyl-918437-53-3C18H13NO3
- 2-(2-Hydroxystyryl)quinoline-5-carboxylic acid927421-59-8C18H13NO3
- 4H-3,1-Benzoxazin-4-one, 2-(4-(4-hydroxyphenyl)-1,3-butadienyl)-78214-15-0C18H13NO3
- N-(1,3-Benzodioxol-5-yl)naphthalene-2-carboxamide306745-36-8C18H13NO3
- 1-Nitro-2-(4-phenylphenoxy)benzene153815-63-5C18H13NO3
- N-{4-[(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)methyl]phenyl}acetamide31060-55-6C18H13NO3
- 3-(2,3-Dihydroindole-1-carbonyl)chromen-2-one312588-75-3C18H13NO3
- 3a,4,7,7a-Tetrahydro-2-(1-naphthalenyl)-4,7-epoxy-1H-isoindole-1,3(2H)-dione32620-93-2C18H13NO3
- 4-(3-Amino-1-benzofuran-2-yl)-7-methyl-2H-chromen-2-one863288-73-7C18H13NO3
- 2-((2-Methyl-4-oxo-3-phenyl-4H-chromen-7-yl)oxy)acetonitrile19360-58-8C18H13NO3
- 2H-Furo[2,3-h]-1-benzopyran-2-one, 4-methyl-8-(phenylamino)-440111-05-7C18H13NO3
- 3-Cinnamoyl-4-hydroxyquinolin-2(1H)-one384364-82-3C18H13NO3
- 2-(((3-Acetylphenyl)amino)methylene)indane-1,3-dione1023482-45-2C18H13NO3
- 4H-Pyran-4-one, 2-(carbazol-9-ylmethyl)-5-hydroxy-101605-39-4C18H13NO3
- (E)-4-(2-(Pyridin-4-yl)vinyl)phenyl furan-2-carboxylate1351284-31-5C18H13NO3
- 2-(((4-Acetylphenyl)amino)methylene)indane-1,3-dione366021-93-4C18H13NO3
- N-Naphthalen-2-yl-1,3-benzodioxole-5-carboxamide549479-02-9C18H13NO3
- (2-Methyl-3-nitrophenyl)(naphthalen-1-yl)methanone117321-84-3C18H13NO3
- N-(2-Benzoylphenyl)-2-furamide163064-51-5C18H13NO3
- 4-[(1-Naphthalenylcarbonyl)amino]benzoic acid70204-57-8C18H13NO3
- 1-Keto-7-nitrotetrahydrobenz(a)anthracene272438-30-9C18H13NO3
- 4-Keto-7-nitrotetrahydrobenz(a)anthracene272438-31-0C18H13NO3
- 8-Keto-5-nitrotetrahydrobenz(a)anthracene272438-28-5C18H13NO3
- 8-Keto-6-nitrotetrahydrobenz(a)anthracene272438-29-6C18H13NO3
- [(E)-Furan-2-ylmethylideneamino] 4-phenylbenzoate1351352-85-6C18H13NO3
- 3-(5-Formyl-6-hydroxy-2-naphthalenyl)benzamide1093119-35-7C18H13NO3
- 4-(5-Formyl-6-hydroxy-2-naphthalenyl)benzamide1093119-19-7C18H13NO3
- 1-(2-Hydroxyphenyl)-3-quinolin-2-ylpropane-1,3-dione6296-06-6C18H13NO3
- 3-(4-Nitrophenyl)-5-phenylphenol98124-35-7C18H13NO3
- 2(3H)-Benzoxazolone, 6-(1-oxo-5-phenyl-2,4-pentadienyl)-54903-27-4C18H13NO3
- 2-Propenamide, N-(9,10-dihydro-9,10-dioxo-1-anthracenyl)-2-methyl-10261-22-0C18H13NO3
- 1-(Naphthalen-2-yl)-2-(4-nitrophenyl)ethanone873411-80-4C18H13NO3
- 1,4-Naphthalenedione, 2-acetyl-3-(phenylamino)-61416-92-0C18H13NO3
- N-(9H-Xanthen-9-yl)furan-2-carboxamide6325-75-3C18H13NO3
- 3-Oxo-5-phenyl-2,3-dihydro-1H-pyrrolo[2,1-a]isoindole-1-carboxylic acid88894-22-8C18H13NO3
- Naphthalen-1-yl benzoylcarbamate13562-06-6C18H13NO3
- Ethyl cyano(9H-xanthen-9-ylidene)acetate65714-65-0C18H13NO3
- [1,4]Oxazepino[5,4-a]isoindole-2,7-dione, 4,5-dihydro-1-phenyl-205243-92-1C18H13NO3
- 4,4'-(Furan-2-ylazanediyl)dibenzaldehyde139606-25-0C18H13NO3
- 1-(2-Benzofuranylmethyl)-1H-indole-7-carboxylic acid1196050-15-3C18H13NO3
- 2-(7-Oxo-5,6,7,8-tetrahydronaphthalen-2-yl)-1H-isoindole-1,3(2H)-dione1374357-94-4C18H13NO3
- 7-Methoxy-2-(4-methylphenyl)-4-oxo-4H-1-benzopyran-3-carbonitrile648434-16-6C18H13NO3
- 8-Methoxy-2-phenylbenzofuro[3,2-b]pyridin-4-ol1421603-84-0C18H13NO3
- 2-{[(3-Oxonaphthalen-2(3H)-ylidene)methyl]amino}benzoic acid51951-01-0C18H13NO3
- 4-Cyanobenzyl 2H-chromene-3-carboxylate869871-56-7C18H13NO3
- 1-(5-Oxopyrrolidin-3-yl)anthracene-9,10-dione844873-59-2C18H13NO3
- 11H-Indeno[1,2-b]quinolin-11-one, 7,8-dimethoxy-39597-33-6C18H13NO3
- 4H-[1]Benzopyrano[3,4-d]oxazol-4-one, 8-methyl-2-(3-methylphenyl)-63153-40-2C18H13NO3
- 2,5-Dimethyl-6H-[1]benzopyrano[3,2-c]quinoline-6,7(5H)-dione63304-24-5C18H13NO3
- 6-Acetyl-2-phenylquinoline-4-carboxylic acid89702-42-1C18H13NO3
- 4-Formyl-3-hydroxy-N-phenylnaphthalene-2-carboxamide52084-73-8C18H13NO3
- 2-[3-(3-Methoxyphenyl)prop-2-yn-1-yl]-1H-isoindole-1,3(2H)-dione922190-45-2C18H13NO3
- 5,6-Dimethyl-3-(naphthalen-1-yl)-1H-furo[3,4-c]pyrrole-1,4(5H)-dione918413-25-9C18H13NO3
- 1-{4-[2-(4-Hydroxyphenyl)ethenyl]phenyl}-1H-pyrrole-2,5-dione140380-40-1C18H13NO3
- 4-(1-Benzofuran-2-yl)-1-methoxyisoquinolin-5-ol656234-09-2C18H13NO3
- 2-(2-Nitro-2-phenylethenyl)-5-phenylfuran918429-32-0C18H13NO3
- 3-Hydroxy-4-[(phenylimino)methyl]-2-naphthalenecarboxylic acid38399-47-2C18H13NO3
- 4-Hydroxy-3-(iminophenylmethyl)-6-phenyl-2H-pyran-2-one74443-48-4C18H13NO3
- 2-(2-Nitrophenoxy)-1,1'-biphenyl2688-91-7C18H13NO3
- 5-Phenyl-4-(1-(phenylimino)ethyl)-2,3-furandione88556-36-9C18H13NO3
- 8-Methoxy-5-methyl-5H-benzo[b]carbazole-6,11-dione88207-07-2C18H13NO3
- 4-Benzoyl-1-methyl-5-phenyl-1H-pyrrole-2,3-dione61350-44-5C18H13NO3
- 6-(Furan-2-yl)-2-(3-methoxyphenyl)-1,3-benzoxazole537026-88-3C18H13NO3
- 2-Hydroxy-8-methyl-11H-benzo[a]carbazole-3-carboxylic acid114608-54-7C18H13NO3
- N-(6,8-Dihydroxypyren-1-yl)acetamide91598-93-5C18H13NO3
- 4-[(Anthracen-1-yl)amino]-4-oxobut-2-enoic acid66185-46-4C18H13NO3
- 5-Formyl-6-hydroxy-N-phenylnaphthalene-2-carboxamide62420-27-3C18H13NO3
- (6-Methoxy-4H-furo[3,2-b]indol-2-yl)(phenyl)methanone62144-25-6C18H13NO3
- 2-[3-(2-Methoxyphenyl)prop-2-yn-1-yl]-1H-isoindole-1,3(2H)-dione922190-44-1C18H13NO3
- 2-(3-Oxo-3H-naphtho[2,1-b]pyran-1-yl)-N-(prop-2-yn-1-yl)acetamide923289-87-6C18H13NO3
- 3-[Anilino(phenyl)methylidene]-2H-pyran-2,6(3H)-dione89736-83-4C18H13NO3
- 3-(2,3-Dihydro-1H-isoindole-2-carbonyl)-1H-isochromen-1-one2772499-12-2C18H13NO3
Frequently asked questions
What is the molar mass of C18H13NO3?
The molar mass of C18H13NO3 is 291.31 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 291.0895 Da.
How many compounds have the formula C18H13NO3?
CompoundList lists 106 compounds with the molecular formula C18H13NO3, including Naptalam, 4-(2-Hydroxy-1-naphthylmethyleneamino)benzoic acid, Lysicamine. 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 C18H13NO3?
C18H13NO3 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.