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Molecular formula

C18H20N2O

336 compounds have this formula on CompoundList.

Molar mass
280.37g/mol
Monoisotopic mass
283.1764Da
Atoms
41
Elements
4
Rings plus double bonds
10

The formula C18H20N2O describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. 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 × 1877.11%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 207.19%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 29.99%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 15.71%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H20N2O

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 301 to 336 of 336 compounds

[2-({[2-(1H-Indol-3-yl)ethyl]amino}methyl)phenyl]methanol chemical structure, C18H20N2O, CAS 62580-25-0
[2-({[2-(1H-Indol-3-yl)ethyl]amino}methyl)phenyl]methanol
CAS 62580-25-0C18H20N2O
N-(8-Methyl-3,4-dihydroquinolin-1(2H)-yl)-2-phenylacetamide chemical structure, C18H20N2O, CAS 62441-28-5
N-(8-Methyl-3,4-dihydroquinolin-1(2H)-yl)-2-phenylacetamide
CAS 62441-28-5C18H20N2O
4-{(3E)-3-[(4-Methoxyphenyl)imino]prop-1-en-1-yl}-N,N-dimethylaniline chemical structure, C18H20N2O, CAS 87025-12-5
4-{(3E)-3-[(4-Methoxyphenyl)imino]prop-1-en-1-yl}-N,N-dimethylaniline
CAS 87025-12-5C18H20N2O
N~2~-(Diphenylmethylidene)isovalinamide chemical structure, C18H20N2O, CAS 922704-90-3
N~2~-(Diphenylmethylidene)isovalinamide
CAS 922704-90-3C18H20N2O
Propanamide, 2,2-dimethyl-N-[2-(2-phenylethenyl)-3-pyridinyl]- chemical structure, C18H20N2O, CAS 209798-44-7
Propanamide, 2,2-dimethyl-N-[2-(2-phenylethenyl)-3-pyridinyl]-
CAS 209798-44-7C18H20N2O
1-[2-(2,4,6-Trimethylphenoxy)ethyl]-1H-benzimidazole chemical structure, C18H20N2O, CAS 1225499-46-6
1-[2-(2,4,6-Trimethylphenoxy)ethyl]-1H-benzimidazole
CAS 1225499-46-6C18H20N2O
(3AS,8aS)-1-Benzyl-3a-methyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-ol chemical structure, C18H20N2O, CAS 290294-28-9
(3AS,8aS)-1-Benzyl-3a-methyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-5-ol
CAS 290294-28-9C18H20N2O
(2-(4-Methylpyridin-2-yl)piperidin-1-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1352499-56-9
(2-(4-Methylpyridin-2-yl)piperidin-1-yl)(phenyl)methanone
CAS 1352499-56-9C18H20N2O
(2-(2-Methylpyridin-3-yl)piperidin-1-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1352542-04-1
(2-(2-Methylpyridin-3-yl)piperidin-1-yl)(phenyl)methanone
CAS 1352542-04-1C18H20N2O
(2-(2-Methylpyridin-4-yl)piperidin-1-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1352493-64-1
(2-(2-Methylpyridin-4-yl)piperidin-1-yl)(phenyl)methanone
CAS 1352493-64-1C18H20N2O
(2-(3-Methylpyridin-4-yl)piperidin-1-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1352523-36-4
(2-(3-Methylpyridin-4-yl)piperidin-1-yl)(phenyl)methanone
CAS 1352523-36-4C18H20N2O
(5-Methyl-6-(piperidin-1-yl)pyridin-3-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1355182-20-5
(5-Methyl-6-(piperidin-1-yl)pyridin-3-yl)(phenyl)methanone
CAS 1355182-20-5C18H20N2O
1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)-5-methylpyridin-3-yl)propan-1-one chemical structure, C18H20N2O, CAS 1355189-78-4
1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)-5-methylpyridin-3-yl)propan-1-one
CAS 1355189-78-4C18H20N2O
1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)-4-methylpyridin-3-yl)propan-1-one chemical structure, C18H20N2O, CAS 1355181-96-2
1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)-4-methylpyridin-3-yl)propan-1-one
CAS 1355181-96-2C18H20N2O
(2-Methyl-6-(piperidin-1-yl)pyridin-3-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1355223-25-4
(2-Methyl-6-(piperidin-1-yl)pyridin-3-yl)(phenyl)methanone
CAS 1355223-25-4C18H20N2O
1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-methylpyridin-3-yl)propan-1-one chemical structure, C18H20N2O, CAS 1355217-54-7
1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-methylpyridin-3-yl)propan-1-one
CAS 1355217-54-7C18H20N2O
(6-(Azepan-1-yl)pyridin-3-yl)(phenyl)methanone chemical structure, C18H20N2O, CAS 1355223-67-4
(6-(Azepan-1-yl)pyridin-3-yl)(phenyl)methanone
CAS 1355223-67-4C18H20N2O
1-Benzyl-4-phenylpyrrolidine-3-carboxamide chemical structure, C18H20N2O, CAS 1823800-26-5
1-Benzyl-4-phenylpyrrolidine-3-carboxamide
CAS 1823800-26-5C18H20N2O
6-(5,5-Dimethyl-1-phenylpyrazolidin-3-ylidene)-4-methylcyclohexa-2,4-dien-1-one chemical structure, C18H20N2O, CAS 357914-26-2
6-(5,5-Dimethyl-1-phenylpyrazolidin-3-ylidene)-4-methylcyclohexa-2,4-dien-1-one
CAS 357914-26-2C18H20N2O
1'-[(4-Methoxyphenyl)methyl]-1',2'-dihydrospiro[azetidine-3,3'-indole] chemical structure, C18H20N2O, CAS 2402830-02-6
1'-[(4-Methoxyphenyl)methyl]-1',2'-dihydrospiro[azetidine-3,3'-indole]
CAS 2402830-02-6C18H20N2O
4-({[2-(4-Methoxyphenyl)ethyl](methyl)amino}methyl)benzonitrile chemical structure, C18H20N2O, CAS 2742065-77-4
4-({[2-(4-Methoxyphenyl)ethyl](methyl)amino}methyl)benzonitrile
CAS 2742065-77-4C18H20N2O
2-Methyl-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine-3-carboxamide chemical structure, C18H20N2O, CAS 2408959-06-6
2-Methyl-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine-3-carboxamide
CAS 2408959-06-6C18H20N2O
6-(1-Cyclohexyl-1H-pyrazol-4-yl)-2,3-dihydro-1H-inden-1-one chemical structure, C18H20N2O, CAS 3078434-04-2
6-(1-Cyclohexyl-1H-pyrazol-4-yl)-2,3-dihydro-1H-inden-1-one
CAS 3078434-04-2C18H20N2O
5-(1-Cyclohexyl-1H-pyrazol-4-yl)-2,3-dihydro-1H-inden-1-one chemical structure, C18H20N2O, CAS 3078434-19-9
5-(1-Cyclohexyl-1H-pyrazol-4-yl)-2,3-dihydro-1H-inden-1-one
CAS 3078434-19-9C18H20N2O

Frequently asked questions

What is the molar mass of C18H20N2O?

The molar mass of C18H20N2O is 280.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 283.1764 Da.

How many compounds have the formula C18H20N2O?

CompoundList lists 336 compounds with the molecular formula C18H20N2O, including [2-({[2-(1H-Indol-3-yl)ethyl]amino}methyl)phenyl]methanol, N-(8-Methyl-3,4-dihydroquinolin-1(2H)-yl)-2-phenylacetamide, 4-{(3E)-3-[(4-Methoxyphenyl)imino]prop-1-en-1-yl}-N,N-dimethylaniline. 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 C18H20N2O?

C18H20N2O 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.