Molecular formula
C18H20N2O3
591 compounds have this formula on CompoundList.
- Molar mass
- 312.37g/mol
- Monoisotopic mass
- 312.1474Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H20N2O3 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms 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 × 1869.21%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 206.45%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.97%14.007 × 2 = 28.014 g/mol
- O Oxygen × 315.37%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H20N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 500 of 591 compounds
![3-[3-(6-Amino-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester chemical structure, C18H20N2O3, CAS 579475-49-3](/s/GVSYZOLMZXQDIP-UHFFFAOYSA-N.svg)
3-[3-(6-Amino-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester
CAS 579475-49-3C18H20N2O3
![3-[3-(6-Methyl-pyrimidin-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester chemical structure, C18H20N2O3, CAS 579476-11-2](/s/JUCXDMIFZCZHPQ-UHFFFAOYSA-N.svg)
3-[3-(6-Methyl-pyrimidin-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester
CAS 579476-11-2C18H20N2O3
2-(4-Isopropoxyphenyl)-7-methoxy-1,2-dihydroquinazolin-4-ol
CAS 1409950-41-9C18H20N2O3
5-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethoxy)-1,2-dimethylpyridin-4(1H)-one
CAS 1436000-50-8C18H20N2O3
N-(2-Hydroxy-2-(1-methyl-1H-indol-3-yl)ethyl)-2,5-dimethylfuran-3-carboxamide
CAS 1448076-56-9C18H20N2O3
(E)-3-(Furan-2-yl)-N-(4-(3-methoxypyrrolidin-1-yl)phenyl)acrylamide
CAS 1798423-29-6C18H20N2O3
N-(2-Cyano-1-methoxypropan-2-yl)-2-(7-methoxynaphthalen-1-yl)acetamide
CAS 1465353-95-0C18H20N2O3
![2-Methoxy-6-(4-methoxy-benzyl)-7,7-dimethyl-6,7-dihydro-pyrrolo[3,4-b]pyridin-5-one chemical structure, C18H20N2O3, CAS 1440519-78-7](/s/MGTAHIPKAWDRFW-UHFFFAOYSA-N.svg)
2-Methoxy-6-(4-methoxy-benzyl)-7,7-dimethyl-6,7-dihydro-pyrrolo[3,4-b]pyridin-5-one
CAS 1440519-78-7C18H20N2O3
(E)-3-(Furan-2-yl)-N-(2-hydroxy-2-(1-methylindolin-5-yl)ethyl)acrylamide
CAS 1706498-64-7C18H20N2O3
(E)-3-(Furan-3-yl)-N-(2-hydroxy-2-(1-methylindolin-5-yl)ethyl)acrylamide
CAS 1706502-46-6C18H20N2O3
5-Cyclopropyl-N-(isochroman-3-ylmethyl)-N-methylisoxazole-3-carboxamide
CAS 2034448-42-3C18H20N2O3
N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 2034449-82-4C18H20N2O3
N-(1-Phenylethyl)-6-((tetrahydrofuran-3-yl)oxy)nicotinamide
CAS 2034428-12-9C18H20N2O3
![N-[2-Hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl]-2,5-dimethylfuran-3-carboxamide chemical structure, C18H20N2O3, CAS 2034258-21-2](/s/RSFAUSSIBXWUTA-UHFFFAOYSA-N.svg)
N-[2-Hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl]-2,5-dimethylfuran-3-carboxamide
CAS 2034258-21-2C18H20N2O3
2-(Cyclopropylmethoxy)-N-(2-methoxybenzyl)isonicotinamide
CAS 2034470-31-8C18H20N2O3
2-(2-Methoxyphenyl)-1-(3-(pyridin-2-yloxy)pyrrolidin-1-yl)ethanone
CAS 1903656-16-5C18H20N2O3
2-(Benzyloxy)-1-(3-(pyridin-2-yloxy)pyrrolidin-1-yl)ethanone
CAS 1903032-99-4C18H20N2O3
Benzyl 2-(2-oxo-1,2-dihydropyridin-3-yl)piperidine-1-carboxylate
CAS 1352528-18-7C18H20N2O3
2-Hydroxy-2-phenyl-1-(4-(pyridin-4-yloxy)piperidin-1-yl)ethanone
CAS 2034314-63-9C18H20N2O3
2-(2-Methoxyphenyl)-1-(3-(pyridin-4-yloxy)pyrrolidin-1-yl)ethanone
CAS 2034432-07-8C18H20N2O3
2-(Benzyloxy)-1-(3-(pyridin-4-yloxy)pyrrolidin-1-yl)ethanone
CAS 2034495-32-2C18H20N2O3
Phenyl 3-tert-butyl-5-carbamoylphenylcarbamate
CAS 1630205-84-3C18H20N2O3
3-(Isobutyrylamino)-N-(4-methoxyphenyl)benzamide
CAS 587845-88-3C18H20N2O3
3,6,6-Trimethyl-N-(4-methylpyridin-2-yl)-4-oxo-4,5,6,7-tetrahydro-1-benzofuran-2-carboxamide
CAS 627843-57-6C18H20N2O3
- N-[2-(Butanoylamino)phenyl]-2-methoxybenzamide694499-39-3C18H20N2O3
- 2-Cyano-N-cyclohexyl-3-(2,3-dihydro-1,4-benzodioxin-6-yl)prop-2-enamide903178-51-8C18H20N2O3
- 1-(Furan-2-ylmethyl)-5-oxo-N-(1-phenylethyl)pyrrolidine-2-carboxamide1796902-09-4C18H20N2O3
- [(1-Cyanocyclopentyl)carbamoyl]methyl 1-phenylcyclopropane-1-carboxylate1252344-26-5C18H20N2O3
- N'-(2,5-Dimethoxybenzylidene)-3,5-dimethylbenzohydrazide353470-47-0C18H20N2O3
- alpha-(5-Ethyl-2-methoxy-6-methyl-3-pyridinyl)-2-benzoxazoleethanol139393-87-6C18H20N2O3
- (5-Aminoisoindolin-2-yl)(2,4-dihydroxy-5-isopropylphenyl) methanone912999-33-8C18H20N2O3
- N-[4-(2-Methoxybenzoyl)-3-pyridinyl]-2,2-dimethylpropanamide125867-33-6C18H20N2O3
- N-(1-Butyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)furan-2-carboxamide941953-69-1C18H20N2O3
- N-(1H-Indol-4-ylmethyl)-3,4,5-trimethoxyaniline944896-45-1C18H20N2O3
- N,N-Dimethyl-3-{[(4-methylphenoxy)acetyl]amino}benzamide941437-72-5C18H20N2O3
- N-[3-(Acetylamino)phenyl]-4-ethoxy-3-methylbenzamide928747-44-8C18H20N2O3
- 1,1-Dimethylethyl 2,3-dihydro-2-hydroxy-2-phenyl-1H-pyrrolo[2,3-c]pyridine-1-carboxylate185139-02-0C18H20N2O3
- 1-[(4-Nitrophenyl)methyl]-4-phenylpiperidin-4-ol1139454-71-9C18H20N2O3
- N-{2-[(2,6-Dimethylphenyl)amino]-2-oxoethyl}-3-methoxybenzamide1089403-84-8C18H20N2O3
- N-[2-(2-Methoxy-5-methylanilino)-2-oxoethyl]-2-methylbenzamide1089386-59-3C18H20N2O3
- 4-[(3-Ethoxybenzoyl)amino]-N-methylbenzeneacetamide1158576-20-5C18H20N2O3
- 3-[(3-Methoxybenzoyl)amino]-N-propan-2-ylbenzamide1266379-80-9C18H20N2O3
- 3-Methoxy-N-{2-oxo-2-[(1-phenylethyl)amino]ethyl}benzamide335097-86-4C18H20N2O3
- 2-Methylpropyl N-(3-benzamidophenyl)carbamate1152493-35-0C18H20N2O3
- N-[2-(2,3-Dimethylanilino)-2-oxoethyl]-2-methoxybenzamide1089369-82-3C18H20N2O3
- N-[3-(Acetylmethylamino)phenyl]-2-ethoxybenzamide1158608-92-4C18H20N2O3
- 3-{[2-(2-Ethylphenoxy)propanoyl]amino}benzamide1311031-46-5C18H20N2O3
- 3-{[2-(3,4-Dimethylphenoxy)propanoyl]amino}benzamide1310970-48-9C18H20N2O3
- 1-(3,4-Dihydroxyphenyl)-2-(4-phenylpiperazin-1-yl)ethanone15534-40-4C18H20N2O3
- 6-(3,5-Dipropoxyphenyl)-1,2-dihydro-2-oxo-3-pyridinecarbonitrile142499-57-8C18H20N2O3
- (4-Benzoylamino-phenyl)-carbamic acid tert-butyl ester914489-91-1C18H20N2O3
- 4-Methoxy-N-{4-[3-(methylamino)-3-oxopropyl]phenyl}benzamide1332108-87-8C18H20N2O3
- 1-Benzyl-3-(4-methoxyphenyl)-4-nitropyrrolidine2326219-35-4C18H20N2O3
- tert-Butyl benzyl(3-formylpyridin-2-yl)carbamate945607-62-5C18H20N2O3
- 5-[1-(2-Oxo-piperidin-1-yl)-vinyl]-1H-indole-2-carboxylic acid ethyl ester1603833-98-2C18H20N2O3
- 5-Cyclopropyl-N-(1-(2,3-dihydrobenzofuran-5-yl)propan-2-yl)isoxazole-3-carboxamide2034574-21-3C18H20N2O3
- N-(3,4-Dimethylphenyl)-2-((tetrahydrofuran-3-yl)oxy)nicotinamide2034443-95-1C18H20N2O3
- 2-(Cyclopropylmethoxy)-N-(2-phenoxyethyl)isonicotinamide2034359-22-1C18H20N2O3
- tert-Butyl 3-(6-formylpyridin-2-yl)benzylcarbamate1646557-52-9C18H20N2O3
- N-(1-(Benzofuran-2-yl)propan-2-yl)-2-(3,5-dimethylisoxazol-4-yl)acetamide2034331-19-4C18H20N2O3
- N-[(5-Cyclopropylpyridin-3-yl)methyl]-2-(2-methoxyphenoxy)acetamide2034312-04-2C18H20N2O3
- 4-[3-(2,3-Dihydro-1-benzofuran-5-yl)pyrrolidine-1-carbonyl]-3,5-dimethyl-1,2-oxazole2097902-16-2C18H20N2O3
- N-(4-Cyanooxan-4-yl)-5-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulene-2-carboxamide2224401-10-7C18H20N2O3
- (Z)-3-(1,3-Benzodioxol-5-yl)-2-(2,6-dimethylpiperidine-1-carbonyl)prop-2-enenitrile380560-95-2C18H20N2O3
- Ethyl 1-(cyanomethyl)-5-(tetrahydro-2H-pyran-4-yl)-1H-indole-2-carboxylate2685824-95-5C18H20N2O3
- 2-(4-Ethylphenoxy)acetic acid 2-[(3-methoxyphenyl)methylene]hydrazide351992-04-6C18H20N2O3
- 3-(1,3-Benzodioxol-5-yl)-2-(2,6-dimethylpiperidine-1-carbonyl)prop-2-enenitrileC18H20N2O3
- N-[5-(Cyclopentylcarbamoyl)-2-methylphenyl]furan-2-carboxamide915872-94-5C18H20N2O3
- 3-Cyclopentyl-1-[2-(naphthalen-2-yloxy)acetyl]urea871921-25-4C18H20N2O3
- 3-Benzyloxy-1-cyclopropyl-6-methyl-4-oxo-1,4-dihydro-pyridine-2-carboxylic acid methylamide887774-86-9C18H20N2O3
- 1H-Pyrazole, 4,5-dihydro-1-phenyl-3-(3,4,5-trimethoxyphenyl)-65684-98-2C18H20N2O3
- 2H-Indol-2-one, 3-[bis(2-hydroxyethyl)amino]-1,3-dihydro-3-phenyl-62095-31-2C18H20N2O3
- N,N-Dimethyl-N'-{3-[2-(4-methylphenyl)-2-oxoethoxy]phenyl}urea87475-99-8C18H20N2O3
- Carbamic acid, [3-amino-3-oxo-1-(phenylmethyl)propyl]-, phenylmethyl ester, (S)-118247-95-3C18H20N2O3
- N-(2-Ethylphenyl)-N'-(2-methoxyphenyl)propanediamide954355-98-7C18H20N2O3
- 2,6-Bis(anilinooxy)cyclohexan-1-one682746-12-9C18H20N2O3
- 3-(4-Aminophenoxy)-N-[(tetrahydro-2-furanyl)methyl]benzamide284462-95-9C18H20N2O3
- 2-Hydroxy-N-[2-methyl-1-(2-methylanilino)-1-oxopropan-2-yl]benzamide400743-99-9C18H20N2O3
- 2-[Benzyl(ethyl)amino]-5-acetamidobenzoic acid1223976-33-7C18H20N2O3
- 2-(2-Boc-amino-4-pyridyl)-1-phenylethanone178383-09-0C18H20N2O3
- (2S)-2-(4-Nitrophenyl)-4-[(1R)-1-phenylethyl]morpholine920798-94-3C18H20N2O3
- (2R)-2-(4-Nitrophenyl)-4-(2-phenylethyl)morpholine920802-55-7C18H20N2O3
- (2R)-2-(4-Nitrophenyl)-4-[(1R)-1-phenylethyl]morpholine920802-53-5C18H20N2O3
- (2s)-2-(4-Nitrophenyl)-4-(2-phenylethyl)morpholine920798-96-5C18H20N2O3
- (2S)-2-(4-Nitrophenyl)-4-[(1S)-1-phenylethyl]morpholine920798-95-4C18H20N2O3
- (2R)-2-(4-Nitrophenyl)-4-[(1S)-1-phenylethyl]morpholine920802-54-6C18H20N2O3
- 3-[2-(2-Benzoxazolyl)ethyl]-5-ethyl-6-(methoxymethyl)-2(1H)-pyridinone139548-43-9C18H20N2O3
- (1-(2-Ethoxyethyl)-6-phenoxy-1H-benzo[d]imidazol-2-yl)methanol1233231-55-4C18H20N2O3
- 5-(Diethylamino)-2-[2-(4-nitrophenyl)ethenyl]phenol334709-94-3C18H20N2O3
- 4-Methoxy-3-(dimethylaminopropyl)naphthalimide47268-66-6C18H20N2O3
- Methyl 6-(3,4-diethylbenzamido)pyridine-3-carboxylate186253-13-4C18H20N2O3
- 1-[4-(1,3-Benzodioxol-5-ylmethoxy)phenyl]piperazine862471-99-6C18H20N2O3
- Methyl 5-[4-(4-morpholinyl)phenyl]-2-pyridineacetate1571072-93-9C18H20N2O3
- 3-Amino-4-(3,4-dimethoxyphenyl)-1-(m-tolyl)azetidin-2-one1291487-46-1C18H20N2O3
- Benzyl 2-(2-methoxypyridin-3-yl)pyrrolidine-1-carboxylate1352534-98-5C18H20N2O3
- Benzyl 2-(6-hydroxypyridin-3-yl)piperidine-1-carboxylate1352511-38-6C18H20N2O3
- 2-(2,5-Dimethoxyphenyl)-I+/-,6-dimethylimidazo[1,2-a]pyridine-3-methanol1176780-00-9C18H20N2O3
- 2-Isopentyl-7-methoxy-6-(oxazol-5-yl)quinolin-4-ol1802703-22-5C18H20N2O3
- 1-Benzyl-3-(3-methoxyphenyl)-4-nitropyrrolidine2326067-75-6C18H20N2O3
- Benzyl 6-(1-methyl-1H-pyrrol-2-yl)-7-oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate2059974-57-9C18H20N2O3
Frequently asked questions
What is the molar mass of C18H20N2O3?
The molar mass of C18H20N2O3 is 312.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 312.1474 Da.
How many compounds have the formula C18H20N2O3?
CompoundList lists 591 compounds with the molecular formula C18H20N2O3, including 3-[3-(6-Amino-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester, 3-[3-(6-Methyl-pyrimidin-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester, 2-(4-Isopropoxyphenyl)-7-methoxy-1,2-dihydroquinazolin-4-ol. 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 C18H20N2O3?
C18H20N2O3 has a degree of unsaturation of 10. 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.