Molecular formula
C18H15NO3
356 compounds have this formula on CompoundList.
- Molar mass
- 293.32g/mol
- Monoisotopic mass
- 298.1366Da
- Atoms
- 37
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H15NO3 describes a molecule made of 18 carbon atoms, 15 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 × 1873.71%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 155.15%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 14.78%14.007 × 1 = 14.007 g/mol
- O Oxygen × 316.36%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H15NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 356 compounds
Oxaprozin
CAS 21256-18-8C18H15NO3
3-Hydroxy-4'-methoxy-2-naphthanilide
CAS 92-79-5C18H15NO3
2-(1H-Indol-3-yl)-4-oxo-4-phenylbutanoic acid
CAS 6266-66-6C18H15NO3
2-(4-Ethoxyphenyl)quinoline-4-carboxylic acid
CAS 51842-68-3C18H15NO3
4-Methyl-7-(phenylacetamido)coumarin
CAS 104145-34-8C18H15NO3
Napthol asol
CAS 135-62-6C18H15NO3
N-(2,3-Dimethylphenyl)-2-oxo-2H-chromene-3-carboxamide
CAS 304887-42-1C18H15NO3
N-(3,4-Dimethylphenyl)-2-oxo-2H-chromene-3-carboxamide
CAS 304887-43-2C18H15NO3
N-(3,5-Dimethylphenyl)-2-oxo-2H-chromene-3-carboxamide
CAS 304887-44-3C18H15NO3
2-Oxo-N-(2-phenylethyl)-2H-chromene-3-carboxamide
CAS 307524-67-0C18H15NO3
4-(Morpholine-4-carbonyl)-fluoren-9-one
CAS 252280-76-5C18H15NO3
2-Oxo-N-(1-phenylethyl)-2H-chromene-3-carboxamide
CAS 304887-47-6C18H15NO3
2-(6-Methyl-2-oxo-4-phenyl-1,2-dihydroquinolin-3-yl)acetic acid
CAS 65418-08-8C18H15NO3
GNF-Pf-4475
CAS 90033-86-6C18H15NO3
4-Cyanophenyl 4-(3-butenyloxy)benzoate
CAS 114482-57-4C18H15NO3
1-Morpholin-4-yl-anthraquinone
CAS 7114-31-0C18H15NO3
N-Ethyl-2-oxo-N-phenyl-2H-chromene-3-carboxamide
CAS 313494-13-2C18H15NO3
4-(4-Ethoxyanilino)-1,2-naphthalenedione
CAS 75140-06-6C18H15NO3
![(4E)-4-[Hydroxy(phenyl)methylidene]-1-methyl-5-phenylpyrrolidine-2,3-dione chemical structure, C18H15NO3, CAS 332148-96-6](/s/NHLYHDFULMCMHJ-JQIJEIRASA-N.svg)
(4E)-4-[Hydroxy(phenyl)methylidene]-1-methyl-5-phenylpyrrolidine-2,3-dione
CAS 332148-96-6C18H15NO3
Methyl 1-(3-methylbenzoyl)-1H-indole-3-carboxylate
CAS 189006-33-5C18H15NO3
N-(2,5-Dimethylphenyl)-4-oxo-4H-chromene-2-carboxamide
CAS 477545-78-1C18H15NO3
Methyl 1-(4-methylbenzoyl)-1H-indole-3-carboxylate
CAS 154477-37-9C18H15NO3
3-Acetyl-1-benzyl-4-hydroxy-2(1H)-quinolinone
CAS 161185-40-6C18H15NO3
2-Methyl-3-quinolin-2-yl-2H-1,4-benzodioxin-3-ol
CAS 300698-79-7C18H15NO3
- N-(4-Methylbenzyl)-4-oxo-4H-chromene-2-carboxamide879351-28-7C18H15NO3
- N-(9,10-Dioxo-9,10-dihydro-1-anthracenyl)butanamide90466-58-3C18H15NO3
- Methyl 2-(1-methyl-4-oxo-1,4-dihydro-3-quinolinyl)benzenecarboxylate294184-16-0C18H15NO3
- 1-[1-(4-Methoxybenzoyl)-1H-indol-3-yl]-1-ethanone336188-02-4C18H15NO3
- N-(2,4-Dimethylphenyl)-4-oxo-4H-chromene-2-carboxamide361166-41-8C18H15NO3
- N-(4-Methylbenzyl)-2-oxo-2H-chromene-3-carboxamide389077-68-3C18H15NO3
- 5-Methyl-N-(2-phenoxyphenyl)furan-2-carboxamide5727-45-7C18H15NO3
- (E)-2-(4-Ethoxystyryl)-4H-benzo[e][1,3]oxazin-4-one380643-54-9C18H15NO3
- 3-Hydroxy-3-(1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)-1,3-dihydro-2H-indol-2-one19579-63-6C18H15NO3
- N-(3,5-Dimethylphenyl)-4-oxo-4H-chromene-2-carboxamide361166-53-2C18H15NO3
- 1-(9H-Fluoren-2-yl)-5-oxopyrrolidine-3-carboxylic acid1019109-76-2C18H15NO3
- N-[4-(4-Methylphenoxy)phenyl]furan-2-carboxamide356093-15-7C18H15NO3
- (3E)-6-Methyl-3-[2-(4-methylphenyl)-2-oxoethylidene]-3,4-dihydro-2H-1,4-benzoxazin-2-one488851-01-0C18H15NO3
- N-(5-Hydroxy-1-naphthyl)-2-phenoxyacetamide303092-46-8C18H15NO3
- 2-(4-Methoxyphenyl)-6-methylquinoline-4-carboxylic acid116734-22-6C18H15NO3
- 7H-Pyrano(2,3-c)acridin-7-one, 3,12-dihydro-6-hydroxy-3,3-dimethyl-13396-93-5C18H15NO3
- 7H-Benzo(g)-1,3-benzodioxolo(6,5,4-de)quinoline-7-carboxaldehyde,5,6,7a,8-tetrahydro-, (7aR)-83459-45-4C18H15NO3
- 2-(2-Hydroxy-3-methoxystyryl)quinolin-8-ol1036287-21-4C18H15NO3
- 1-(4-Methoxybenzyl)-6,7-methylenedioxyisoquinoline55857-56-2C18H15NO3
- 4-Acetyl-1,5-dihydro-3-hydroxy-1,5-diphenyl-2H-pyrrol-2-one113629-73-5C18H15NO3
- 1 suppliersDelmetacin16401-80-2C18H15NO3
- 3-(2-Quinolinylmethoxy)benzeneacetic acid104325-55-5C18H15NO3
- Clausamine A205116-59-2C18H15NO3
- (E)-3-(1-(Benzylimino)ethyl)-4-hydroxy-2H-chromen-2-one30408-07-2C18H15NO3
- N-(2,5-Dimethylphenyl)-2-oxo-2H-chromene-3-carboxamide94905-44-9C18H15NO3
- (E)-Methyl 2-methyl-5-(naphthalen-1-ylmethylene)-4-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate352452-34-7C18H15NO3
- 2-(2,6-Dimethylanilino)-3-hydroxy-naphthalene-1,4-dione1448684-75-0C18H15NO3
- 1-[4-(2,3-Dimethylphenoxy)phenyl]pyrrole-2,5-dione305349-66-0C18H15NO3
- 1-Hydroxy-N-(4-methoxyphenyl)naphthalene-2-carboxamide98621-48-8C18H15NO3
- N-(2,4-Dimethylphenyl)-2-oxo-2H-chromene-3-carboxamide301234-67-3C18H15NO3
- N-(2,6-Dimethylphenyl)-2-oxo-2H-chromene-3-carboxamide325807-51-0C18H15NO3
- 1-Hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide26675-52-5C18H15NO3
- N-Acetoxy-N-2-acetylaminophenanthrene26541-57-1C18H15NO3
- N-(2-Benzoyl-3-methylbenzofuran-5-yl)acetamide919746-48-8C18H15NO3
- 2-Naphthalenecarboxamide, 1-hydroxy-N-(3-methoxyphenyl)-110677-79-7C18H15NO3
- 2-Methyl-5-phenacyloxyisoquinolin-1-one898457-18-6C18H15NO3
- Methyl 4-(2-quinolinylmethoxy)benzoate137426-86-9C18H15NO3
- 6-(2-(Hydroxy(oxido)amino)benzylidene)-6,7,8,9-tetrahydro-5H-benzo(a)cyclohepten-5-one52223-78-6C18H15NO3
- N-Benzyl-N-methyl-2-oxo-2H-chromene-3-carboxamide404019-99-4C18H15NO3
- 3-Hydroxy-7,8-dimethyl-2-phenylquinoline-4-carboxylic acid924633-64-7C18H15NO3
- N-(4-Hydroxyphenyl)-2-naphthalen-1-yloxyacetamide667411-06-5C18H15NO3
- N-[2-(4-Methylphenyl)-4-oxochromen-7-yl]acetamide923673-80-7C18H15NO3
- 4 suppliers5-(2R)-2-Oxiranyl-8-(phenylmethoxy)-2(1H)-quinolinone173140-90-4C18H15NO3
- 4-Benzoyl-1-benzylpyrrolidine-2,3-dione7399-20-4C18H15NO3
- 4-Methoxy-3-[(quinolin-8-yloxy)methyl]benzaldehyde438530-70-2C18H15NO3
- 2-(2-Ethoxyphenyl)quinoline-4-carboxylic acid444565-52-0C18H15NO3
- 4-((4-Methoxyphenyl)(methyl)amino)naphthalene-1,2-dione209680-12-6C18H15NO3
- Ethyl 4-oxo-6-phenyl-1,4-dihydroquinoline-2-carboxylate5428-31-9C18H15NO3
- 1 suppliers2-(4-Methoxyphenyl)-8-methylquinoline-4-carboxylic acid107027-47-4C18H15NO3
- Ethyl 4-oxo-2-phenyl-1H-quinoline-3-carboxylate13180-36-4C18H15NO3
- 2-(4-Methoxyphenyl)-3-methylquinoline-4-carboxylic acid108717-24-4C18H15NO3
- 2-(3-Methoxyphenyl)-6-methylquinoline-4-carboxylic acid438213-44-6C18H15NO3
- 1 suppliers5-Acetyl-8-(benzyloxy)-1,2-dihydroquinolin-2-one93609-84-8C18H15NO3
- 2-(3-Methoxyphenyl)-8-methylquinoline-4-carboxylic acid107027-41-8C18H15NO3
- N-(4-(Phenylmethoxy)phenyl)-2-furancarboxamide329939-25-5C18H15NO3
- 8-(Benzyloxy)-5-(oxiran-2-yl)quinolin-2(1H)-one112281-28-4C18H15NO3
- 8-Hydroxy-9-methoxy-11,12-dihydrobenzo[5,6]cyclohepta[1,2-b]indol-6(5H)-one71007-82-4C18H15NO3
- Methyl 3-(quinolin-2-ylmethoxy)benzoate119515-00-3C18H15NO3
- 2-(3-Ethoxyphenyl)quinoline-4-carboxylic acid350989-62-7C18H15NO3
- 2-(2-Methoxyphenyl)-8-methylquinoline-4-carboxylic acid884497-38-5C18H15NO3
- 2-Naphthalenecarboxamide, 3-hydroxy-7-methoxy-N-phenyl-41611-98-7C18H15NO3
- Methyl 3-[(3-formyl-1H-indol-1-yl)methyl]benzoate667435-96-3C18H15NO3
- N-(4,7-Dimethyl-2-oxo-chromen-6-yl)benzamide6152-81-4C18H15NO3
- 2-(2-Methoxyphenyl)-6-methylquinoline-4-carboxylic acid667435-77-0C18H15NO3
- 4-Methoxy-3-[(quinolin-7-yloxy)methyl]benzaldehyde1338495-12-7C18H15NO3
- 2-(((4-Ethoxyphenyl)amino)methylene)indane-1,3-dione1020252-57-6C18H15NO3
- 1-Indolizinecarboxylic acid, 3-benzoyl-, ethyl ester40624-43-9C18H15NO3
- 4-([1,1'-Biphenyl]-4-ylamino)-5-methyl-2-furancarboxylic acid1609015-84-0C18H15NO3
- Clauszoline B185508-03-6C18H15NO3
- 6-Methoxy-2-(4-methylphenyl)quinoline-4-carboxylic acid18193-09-4C18H15NO3
- Phthalimide, N-(3-benzoylpropyl)-7347-68-4C18H15NO3
- N-(2-Acetyl-1-benzofuran-3-yl)-2-phenylacetamide78993-50-7C18H15NO3
- 1H-Indol-3-yl[3-(4-methoxyphenyl)oxiran-2-yl]methanone15849-58-8C18H15NO3
- 8-Oxo-5,8,13,13a-tetrahydro-6H-isoquino[3,2-a]isoquinoline-13-carboxylic acid1119452-84-4C18H15NO3
- 5-(Phenoxymethyl)-N-phenylfuran-2-carboxamide862386-89-8C18H15NO3
- 3-Hydroxy-N-(3-methoxyphenyl)-2-naphthamide62553-86-0C18H15NO3
Frequently asked questions
What is the molar mass of C18H15NO3?
The molar mass of C18H15NO3 is 293.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 298.1366 Da.
How many compounds have the formula C18H15NO3?
CompoundList lists 356 compounds with the molecular formula C18H15NO3, including Oxaprozin, 3-Hydroxy-4'-methoxy-2-naphthanilide, 2-(1H-Indol-3-yl)-4-oxo-4-phenylbutanoic acid. 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 C18H15NO3?
C18H15NO3 has a degree of unsaturation of 12. 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.