Molecular formula
C18H15NO4
321 compounds have this formula on CompoundList.
- Molar mass
- 309.32g/mol
- Monoisotopic mass
- 309.1001Da
- Atoms
- 38
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H15NO4 describes a molecule made of 18 carbon atoms, 15 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 × 1869.89%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.89%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 14.53%14.007 × 1 = 14.007 g/mol
- O Oxygen × 420.69%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H15NO4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 321 compounds
1-(4-Methoxybenzyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
CAS 338747-41-4C18H15NO4
Aminaphthone
CAS 14748-94-8C18H15NO4
Ethyl 4-(1,3-dioxo-1,2,3,4-tetrahydroisoquinolin-2-yl)benzoate
CAS 130872-48-9C18H15NO4
2-(3,4-Dimethoxyphenyl)quinoline-4-carboxylic acid
CAS 133676-16-1C18H15NO4
4-(2,5-Dimethoxybenzylidene)-2-phenyl-2-oxazolin-5-one
CAS 109876-87-1C18H15NO4
![2-[4-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)phenyl]ethyl acetate chemical structure, C18H15NO4, CAS 250296-64-1](/s/RVCBIKBWDIMUDC-UHFFFAOYSA-N.svg)
2-[4-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)phenyl]ethyl acetate
CAS 250296-64-1C18H15NO4
![N-[2-(4-Methoxybenzoyl)-1-benzofuran-3-yl]acetamide chemical structure, C18H15NO4, CAS 696655-62-6](/s/NQZBUYPGHZTWIR-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxybenzoyl)-1-benzofuran-3-yl]acetamide
CAS 696655-62-6C18H15NO4
4-(2,4-Dimethoxybenzylidene)-2-phenyl-2-oxazolin-5-one
C18H15NO4
N-(2,3-Dihydro-1,4-benzodioxin-2-ylmethyl)-1-benzofuran-2-carboxamide
CAS 313702-79-3C18H15NO4
3-Isoquinolinecarboxylic acid, 4-hydroxy-1-methyl-7-phenoxy-, methyl ester
CAS 1421312-34-6C18H15NO4
5-Oxo-1-(9H-xanthen-9-yl)pyrrolidine-2-carboxylic acid
CAS 1082905-31-4C18H15NO4
7-(N-Benzyl-N-methylamino)-2-oxo-2H-chromene-3-carboxylic acid
CAS 1472624-85-3C18H15NO4
Methyl (5E)-5-(furan-2-ylmethylidene)-2-methyl-4-oxo-1-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylate
CAS 357937-11-2C18H15NO4
Methyl (3E)-2,3-dihydro-3-(methoxyphenylmethylene)-2-oxo-1H-indole-6-carboxylate
CAS 1168150-46-6C18H15NO4
2-(2,4-Dimethoxyphenyl)quinoline-4-carboxylic acid
CAS 313704-08-4C18H15NO4
N-(1,3-Benzodioxol-5-ylmethyl)-3-methyl-1-benzofuran-2-carboxamide
CAS 380582-05-8C18H15NO4
![4-(1,3-Dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)benzoic acid chemical structure, C18H15NO4, CAS 354812-64-9](/s/MFXRVNBWYHSTOY-UHFFFAOYSA-N.svg)
4-(1,3-Dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)benzoic acid
CAS 354812-64-9C18H15NO4
N-Benzyl-6-methoxy-2-oxochromene-3-carboxamide
CAS 313497-13-1C18H15NO4
N-(2-Ethoxyphenyl)-2-oxo-2H-chromene-3-carboxamide
CAS 78095-60-0C18H15NO4
![(3E)-3-[(4-Ethoxyanilino)methylidene]chromene-2,4-dione chemical structure, C18H15NO4, CAS 364597-24-0](/s/BJRQPCUIVKSONE-UHFFFAOYSA-N.svg)
(3E)-3-[(4-Ethoxyanilino)methylidene]chromene-2,4-dione
CAS 364597-24-0C18H15NO4
Aristolactam biii
CAS 53948-10-0C18H15NO4
Ethyl 4-(1-benzofuran-2-carbonylamino)benzoate
CAS 304889-38-1C18H15NO4
1,2,3-Trimethoxydibenz(cd,f)indol-4(5H)-one
CAS 116064-76-7C18H15NO4
2-(8-Methyl-2-oxo-4-phenylchromen-7-yl)oxyacetamide
CAS 304896-94-4C18H15NO4
- 1H-Pyrrole-3-acetic acid, 2,5-dihydro-1,2-diphenyl-4-hydroxy-5-oxo-148930-27-2C18H15NO4
- 6-Methoxy-2-oxo-N-(m-tolyl)-2H-chromene-3-carboxamide325472-06-8C18H15NO4
- (E)-3-(1,3-Benzoxazol-2-yl)-4-(4-methoxyphenyl)but-3-enoic acid958266-87-0C18H15NO4
- (3E)-3-[2-(2,4-Dimethoxyphenyl)-2-oxoethylidene]-1H-indol-2-one906261-60-7C18H15NO4
- 6-Methoxy-N-(2-methylphenyl)-2-oxochromene-3-carboxamide324065-47-6C18H15NO4
- Propyl 4-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoate315670-23-6C18H15NO4
- 4-Acetyl-3-hydroxy-1-(4-hydroxyphenyl)-5-phenyl-1,5-dihydro-2H-pyrrol-2-one332149-53-8C18H15NO4
- 4-(3-Benzyl-2,5-dioxopyrrolidin-1-yl)benzoic acid6252-89-7C18H15NO4
- N-(4-Methoxybenzyl)-4-oxo-4H-chromene-2-carboxamide868238-77-1C18H15NO4
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-4-phenylbutanoic acid6343-01-7C18H15NO4
- Methyl 1-(4-methoxybenzoyl)-1H-indole-3-carboxylate189006-31-3C18H15NO4
- N-(2-Ethoxyphenyl)-4-oxo-4H-chromene-2-carboxamide3957-66-2C18H15NO4
- 2-(4-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)phenyl)butyric acid94232-67-4C18H15NO4
- 4-(3,4-Dimethoxy-benzylidene)-3-phenyl-4H-isoxazol-5-one1164546-98-8C18H15NO4
- (Z)-2-Benzylidene-3-oxo-2,3-dihydrobenzofuran-6-yl dimethylcarbamate844462-80-2C18H15NO4
- 2-(4-Methylphenoxy)-N-(2-oxo-2H-chromen-6-yl)acetamide708999-97-7C18H15NO4
- [2-(2-Methyl-1H-indol-3-yl)-2-oxoethyl] 2-hydroxybenzoate875910-66-0C18H15NO4
- 6,11-Dihydroxy-3,3-dimethyl-12H-pyrano[2,3-c]acridin-7-one57959-88-3C18H15NO4
- 3-(1,3-Dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)benzoic acid354812-58-1C18H15NO4
- Ethyl 4-hydroxy-2-oxo-1-phenyl-1,2-dihydroquinoline-3-carboxylate64675-79-2C18H15NO4
- (4Z)-4-[(3,4-Dimethoxyphenyl)methylidene]-3-phenyl-1,2-oxazol-5-one153390-65-9C18H15NO4
- 3-Methoxy-N-(4-methyl-2-oxochromen-7-yl)benzamide775299-01-9C18H15NO4
- 2-(1,3-Benzodioxol-5-yl)-5-methoxy-8-quinolinyl methyl ether860784-11-8C18H15NO4
- [2-(1H-Indol-3-yl)-2-oxoethyl] 2-phenoxyacetate571932-52-0C18H15NO4
- 1-(2,3-Dihydro-1,4-benzodioxin-2-ylmethyl)-5-methyl-1H-indole-2,3-dione904511-86-0C18H15NO4
- 4-Methoxy-5-[(4-phenoxyanilino)methylene]-2(5H)-furanone1164540-79-7C18H15NO4
- 4-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-phenylbutanoic acid83256-45-5C18H15NO4
- (3E)-3-[2-(3,4-Dimethoxyphenyl)-2-oxoethylidene]-1H-indol-2-one370577-17-6C18H15NO4
- N-[(2-Methoxyphenyl)methyl]-4-oxochromene-2-carboxamide851413-25-7C18H15NO4
- 2-(1,3-Dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)benzoic acid1024580-09-3C18H15NO4
- 2,5-Dimethylphenyl (1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)acetate667409-33-8C18H15NO4
- 1'-(2-Oxo-2-phenylethyl)spiro[[1,3]dioxolane-2,3'-indolin]-2'-one320741-30-8C18H15NO4
- 2-[(4-Methyl-2-oxo-2H-chromen-7-yl)oxy]-N-phenylacetamide303122-37-4C18H15NO4
- 2-(1,3-Dioxoisoindolin-2-yl)ethyl 4-methylbenzoate441313-63-9C18H15NO4
- 2-Methoxy-3-(2-methoxyanilino)naphthalene-1,4-dione716340-10-2C18H15NO4
- (4Z)-4-(3,4-Dimethoxybenzylidene)-2-phenyl-1,3-oxazol-5(4H)-one25349-37-5C18H15NO4
- 4,5,6-Trimethoxyindeno[1,2,3-ij]isoquinolin-9-ol58189-34-7C18H15NO4
- N-(2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl)acetamide80881-76-1C18H15NO4
- 2-(2,6-Dioxo-4-phenylpiperidin-1-yl)benzoic acid654634-89-6C18H15NO4
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)ethyl 3-methylbenzoate452927-49-0C18H15NO4
- 2-Oxo-3-phenyl-2H-chromen-7-yl dimethylcarbamate869080-46-6C18H15NO4
- 3,4-Bis(4-methoxyphenyl)pyrrole-2,5-dione108774-82-9C18H15NO4
- (E)-N-(3-Acetylphenyl)-3-(1,3-benzodioxol-5-yl)prop-2-enamide300825-72-3C18H15NO4
- 2-(1,3-Benzodioxol-5-yl)-7-methoxy-1-methyl-4(1H)-quinolinone483-52-3C18H15NO4
- 4-Oxo-3-phenyl-4H-chromen-7-yl dimethylcarbamate858765-51-2C18H15NO4
- N-[2-(2-Methoxyphenyl)-4-oxochromen-6-yl]acetamide923164-48-1C18H15NO4
- 4-(3,4-Dimethoxybenzylidene)-2-phenyl-1,3-oxazol-5(4H)-one5415-56-5C18H15NO4
- N-(4-Acetyl-phenyl)-3-benzo[1,3]dioxol-5-yl-acrylamide5362-44-7C18H15NO4
- Oxosarcophylline95377-97-2C18H15NO4
- 7-Hydroxy-2-oxo-N-(2-phenylethyl)-2H-chromene-3-carboxamide692744-87-9C18H15NO4
- N-(4-Ethoxyphenyl)-2-oxo-2H-chromene-3-carboxamide4527-55-3C18H15NO4
- Quinolin-8-yl 3,4-dimethoxybenzoate27037-42-9C18H15NO4
- 2-(2-Methyl-4-oxo-3-phenylchromen-7-yl)oxyacetamide19360-57-7C18H15NO4
- Benzyl 2-(5-methyl-2,3-dioxoindol-1-yl)acetate867042-83-9C18H15NO4
- N-(4-Ethoxyphenyl)-4-oxochromene-2-carboxamide3845-18-9C18H15NO4
- 3-(3-(1,3-Dioxoisoindolin-2-yl)propoxy)benzaldehyde69383-92-2C18H15NO4
- 1-(Benzyloxycarbonyl)indol-3-yl acetic Acid187244-70-8C18H15NO4
- Methyl 5-(hydroxyamino)-3,4-diphenyl-2-furancarboxylate111205-70-0C18H15NO4
- (4Z)-4-[(2,4-Dimethoxyphenyl)methylidene]-3-phenyl-1,2-oxazol-5-one153390-66-0C18H15NO4
- 7-Anilino-4-methylcoumarin-3-acetic acid82412-16-6C18H15NO4
- 2-[(7-Methyl-2-oxo-4-phenyl-2H-chromen-5-yl)oxy]acetamide314743-46-9C18H15NO4
- 4-Oxo-7-phenethyloxy-1H-quinoline-3-carboxylic acid78105-11-0C18H15NO4
- Carbamic acid, dimethyl-, 2-oxo-4-phenyl-2H-1-benzopyran-7-yl ester92704-85-3C18H15NO4
- Cryptodorine41787-55-7C18H15NO4
- Oriciacridone C886227-03-8C18H15NO4
- (4Z)-4-[(3,5-Dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5-one1097-21-8C18H15NO4
- Methyl 1,3-dioxo-2-(2-phenylethyl)-2,3-dihydro-1H-isoindole-5-carboxylate1211830-53-3C18H15NO4
- 1 suppliers2-(((9H-Fluoren-9-yl)methoxy)carbonylamino)acrylic acid261522-33-2C18H15NO4
- 4-[2-(4-Methylphenyl)-2-oxoethyl]-1,4-benzoxazepine-3,5(2H,4H)-dione898642-63-2C18H15NO4
- Anti-inflammatory agent 632347694-79-3C18H15NO4
- Methyl 2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-phenylpropanoate7146-63-6C18H15NO4
- 2-[(E)-2-(2,3-Dimethoxyphenyl)ethenyl]-1,3-benzoxazin-4-one312527-99-4C18H15NO4
- 3-[(2E)-2-(Hydroxyimino)propoxy]-2-phenyl-4H-1-benzopyran-4-one866778-46-3C18H15NO4
- 4-(2,6-Dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one7149-97-5C18H15NO4
- Ethyl 5-(4-phenoxyphenyl)isoxazole-3-carboxylate925001-25-8C18H15NO4
- Methyl 3-(methoxy(phenyl)methylene)-2-oxoindoline-6-carboxylate1438271-13-6C18H15NO4
Frequently asked questions
What is the molar mass of C18H15NO4?
The molar mass of C18H15NO4 is 309.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 309.1001 Da.
How many compounds have the formula C18H15NO4?
CompoundList lists 321 compounds with the molecular formula C18H15NO4, including 1-(4-Methoxybenzyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, Aminaphthone, Ethyl 4-(1,3-dioxo-1,2,3,4-tetrahydroisoquinolin-2-yl)benzoate. 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 C18H15NO4?
C18H15NO4 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.