CompoundList
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 101 to 200 of 591 compounds

N-(4-Ethylphenyl)-N'-(4-methoxybenzyl)ethanediamide chemical structure, C18H20N2O3, CAS 433250-76-1
N-(4-Ethylphenyl)-N'-(4-methoxybenzyl)ethanediamide
CAS 433250-76-1C18H20N2O3
1-Ethyl-2-(3,4,5-trimethoxyphenyl)-1H-benzimidazole chemical structure, C18H20N2O3, CAS 838867-54-2
1-Ethyl-2-(3,4,5-trimethoxyphenyl)-1H-benzimidazole
CAS 838867-54-2C18H20N2O3
N'-(4-Ethoxyphenyl)-N-[(2-methylphenyl)methyl]oxamide chemical structure, C18H20N2O3, CAS 591211-96-0
N'-(4-Ethoxyphenyl)-N-[(2-methylphenyl)methyl]oxamide
CAS 591211-96-0C18H20N2O3
N'-(2,3-Dimethylphenyl)-N-[(2-methoxyphenyl)methyl]oxamide chemical structure, C18H20N2O3, CAS 669696-56-4
N'-(2,3-Dimethylphenyl)-N-[(2-methoxyphenyl)methyl]oxamide
CAS 669696-56-4C18H20N2O3
N'-(2-Ethoxyphenyl)-N-[(2-methylphenyl)methyl]oxamide chemical structure, C18H20N2O3, CAS 591212-05-4
N'-(2-Ethoxyphenyl)-N-[(2-methylphenyl)methyl]oxamide
CAS 591212-05-4C18H20N2O3
4-tert-Butyl-N-(4-methyl-2-nitrophenyl)benzamide chemical structure, C18H20N2O3, CAS 5533-31-3
4-tert-Butyl-N-(4-methyl-2-nitrophenyl)benzamide
CAS 5533-31-3C18H20N2O3
2-Methoxy-N-(4-morpholinophenyl)benzamide chemical structure, C18H20N2O3, CAS 304675-36-3
2-Methoxy-N-(4-morpholinophenyl)benzamide
CAS 304675-36-3C18H20N2O3
Methyl 4-[2-cyano-2-(cyclohexylcarbamoyl)eth-1-en-1-yl]benzoate chemical structure, C18H20N2O3, CAS 340287-12-9
Methyl 4-[2-cyano-2-(cyclohexylcarbamoyl)eth-1-en-1-yl]benzoate
CAS 340287-12-9C18H20N2O3
3-(2,5-Dimethylfuran-3-carbonyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-one chemical structure, C18H20N2O3, CAS 1024363-35-6
3-(2,5-Dimethylfuran-3-carbonyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-one
CAS 1024363-35-6C18H20N2O3
2-Methyl-N-[4-(piperidine-1-carbonyl)phenyl]furan-3-carboxamide chemical structure, C18H20N2O3, CAS 895946-43-7
2-Methyl-N-[4-(piperidine-1-carbonyl)phenyl]furan-3-carboxamide
CAS 895946-43-7C18H20N2O3
N-(Furan-2-carbonyl)-N-(p-tolyl)piperidine-1-carboxamide chemical structure, C18H20N2O3, CAS 899755-41-0
N-(Furan-2-carbonyl)-N-(p-tolyl)piperidine-1-carboxamide
CAS 899755-41-0C18H20N2O3
2-(Benzo[d]isoxazol-3-yl)-1-(4-((prop-2-yn-1-yloxy)methyl)piperidin-1-yl)ethanone chemical structure, C18H20N2O3, CAS 1251692-09-7
2-(Benzo[d]isoxazol-3-yl)-1-(4-((prop-2-yn-1-yloxy)methyl)piperidin-1-yl)ethanone
CAS 1251692-09-7C18H20N2O3
N,N-Dimethyl-2-{[(4-methylphenoxy)acetyl]amino}benzamide chemical structure, C18H20N2O3, CAS 815613-86-6
N,N-Dimethyl-2-{[(4-methylphenoxy)acetyl]amino}benzamide
CAS 815613-86-6C18H20N2O3
N-Hydroxy-4-[(4-phenylbutanoylamino)methyl]benzamide chemical structure, C18H20N2O3, CAS 656261-21-1
N-Hydroxy-4-[(4-phenylbutanoylamino)methyl]benzamide
CAS 656261-21-1C18H20N2O3
Methyl 4-(cyclopropyl((1-methyl-1H-pyrrol-2-yl)methyl)carbamoyl)benzoate chemical structure, C18H20N2O3, CAS 1286722-43-7
Methyl 4-(cyclopropyl((1-methyl-1H-pyrrol-2-yl)methyl)carbamoyl)benzoate
CAS 1286722-43-7C18H20N2O3
L-Phenylalanyl-D-phenylalanine chemical structure, C18H20N2O3, CAS 2577-12-0
L-Phenylalanyl-D-phenylalanine
CAS 2577-12-0C18H20N2O3
4-tert-Butyl-N'-[(E)-(2,4-dihydroxyphenyl)methylidene]benzohydrazide chemical structure, C18H20N2O3, CAS 328921-32-0
4-tert-Butyl-N'-[(E)-(2,4-dihydroxyphenyl)methylidene]benzohydrazide
CAS 328921-32-0C18H20N2O3
N-(4-Hydroxyphenyl)-4-(3-methylbutanoylamino)benzamide chemical structure, C18H20N2O3, CAS 831214-57-4
N-(4-Hydroxyphenyl)-4-(3-methylbutanoylamino)benzamide
CAS 831214-57-4C18H20N2O3
2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-(pyridin-4-ylmethyl)acetamide chemical structure, C18H20N2O3, CAS 941943-84-6
2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-(pyridin-4-ylmethyl)acetamide
CAS 941943-84-6C18H20N2O3
2-Methoxy-4-[(4-morpholin-4-ylanilino)methylidene]cyclohexa-2,5-dien-1-one chemical structure, C18H20N2O3, CAS 7144-84-5
2-Methoxy-4-[(4-morpholin-4-ylanilino)methylidene]cyclohexa-2,5-dien-1-one
CAS 7144-84-5C18H20N2O3
2-[(2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]-N-[(pyridin-2-yl)methyl]acetamide chemical structure, C18H20N2O3, CAS 941985-31-5
2-[(2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]-N-[(pyridin-2-yl)methyl]acetamide
CAS 941985-31-5C18H20N2O3
1-((2-(Dimethylamino)ethyl)amino)-7-methoxy-9H-xanthen-9-one chemical structure, C18H20N2O3, CAS 86456-16-8
1-((2-(Dimethylamino)ethyl)amino)-7-methoxy-9H-xanthen-9-one
CAS 86456-16-8C18H20N2O3
tert-Butyl 2-(2-methyl-3-oxoisoindolin-4-yl)-1H-pyrrole-1-carboxylate chemical structure, C18H20N2O3, CAS 935269-08-2
tert-Butyl 2-(2-methyl-3-oxoisoindolin-4-yl)-1H-pyrrole-1-carboxylate
CAS 935269-08-2C18H20N2O3
Tjn-598 chemical structure, C18H20N2O3, CAS 785046-87-9
Tjn-598
CAS 785046-87-9C18H20N2O3

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 N-(4-Ethylphenyl)-N'-(4-methoxybenzyl)ethanediamide, 1-Ethyl-2-(3,4,5-trimethoxyphenyl)-1H-benzimidazole, N'-(4-Ethoxyphenyl)-N-[(2-methylphenyl)methyl]oxamide. 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.