CompoundList
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 1 to 100 of 336 compounds

N,N-Dimethyl-5-(phenylmethoxy)-1H-indole-3-methanamine chemical structure, C18H20N2O, CAS 1453-97-0
N,N-Dimethyl-5-(phenylmethoxy)-1H-indole-3-methanamine
CAS 1453-97-0C18H20N2O
2,6-Bis((1-methyl-1H-pyrrol-2-yl)methylene)cyclohexan-1-one chemical structure, C18H20N2O, CAS 94386-21-7
2,6-Bis((1-methyl-1H-pyrrol-2-yl)methylene)cyclohexan-1-one
CAS 94386-21-7C18H20N2O
Biphenyl-4-yl-(4-methyl-piperazin-1-yl)-methanone chemical structure, C18H20N2O, CAS 5254-05-7
Biphenyl-4-yl-(4-methyl-piperazin-1-yl)-methanone
CAS 5254-05-7C18H20N2O
ER-27319 free base chemical structure, C18H20N2O, CAS 175281-16-0
ER-27319 free base
CAS 175281-16-0C18H20N2O
3-Propyl-2-p-tolyl-2,3-dihydro-1H-quinazolin-4-one chemical structure, C18H20N2O, CAS 361186-69-8
3-Propyl-2-p-tolyl-2,3-dihydro-1H-quinazolin-4-one
CAS 361186-69-8C18H20N2O
3-[1-(1-Phenylethyl)benzimidazol-2-yl]propan-1-ol chemical structure, C18H20N2O, CAS 380869-94-3
3-[1-(1-Phenylethyl)benzimidazol-2-yl]propan-1-ol
CAS 380869-94-3C18H20N2O
2-Phenyl-N-(4-pyrrolidin-1-ylphenyl)acetamide chemical structure, C18H20N2O, CAS 431980-48-2
2-Phenyl-N-(4-pyrrolidin-1-ylphenyl)acetamide
CAS 431980-48-2C18H20N2O
7-Benzyloxygramine chemical structure, C18H20N2O, CAS 94067-27-3
7-Benzyloxygramine
CAS 94067-27-3C18H20N2O
2-(1H-Indol-3-yl)-N-(3-methoxybenzyl)ethanamine chemical structure, C18H20N2O, CAS 355816-90-9
2-(1H-Indol-3-yl)-N-(3-methoxybenzyl)ethanamine
CAS 355816-90-9C18H20N2O
N-(4-Piperidinophenyl)benzamide chemical structure, C18H20N2O, CAS 301305-78-2
N-(4-Piperidinophenyl)benzamide
CAS 301305-78-2C18H20N2O
2-Phenyl-N-[2-(pyrrolidin-1-yl)phenyl]acetamide chemical structure, C18H20N2O, CAS 531548-34-2
2-Phenyl-N-[2-(pyrrolidin-1-yl)phenyl]acetamide
CAS 531548-34-2C18H20N2O
(3-Methyl-2-propan-2-ylimidazol-4-yl)-naphthalen-1-ylmethanol chemical structure, C18H20N2O, CAS 309724-79-6
(3-Methyl-2-propan-2-ylimidazol-4-yl)-naphthalen-1-ylmethanol
CAS 309724-79-6C18H20N2O
8-Hydroxymianserin chemical structure, C18H20N2O, CAS 57257-81-5
8-Hydroxymianserin
CAS 57257-81-5C18H20N2O
5-(1-Adamantyl)-3-phenyl-1,2,4-oxadiazole chemical structure, C18H20N2O, CAS 55241-30-0
5-(1-Adamantyl)-3-phenyl-1,2,4-oxadiazole
CAS 55241-30-0C18H20N2O
1-(2-Phenoxyethyl)-2-propylbenzimidazole chemical structure, C18H20N2O, CAS 431931-75-8
1-(2-Phenoxyethyl)-2-propylbenzimidazole
CAS 431931-75-8C18H20N2O
3-[1-[(4-Methylphenyl)methyl]benzimidazol-2-yl]propan-1-ol chemical structure, C18H20N2O, CAS 380352-47-6
3-[1-[(4-Methylphenyl)methyl]benzimidazol-2-yl]propan-1-ol
CAS 380352-47-6C18H20N2O
N-(9-Ethyl-9H-carbazol-3-yl)butanamide chemical structure, C18H20N2O, CAS 430463-88-0
N-(9-Ethyl-9H-carbazol-3-yl)butanamide
CAS 430463-88-0C18H20N2O
4-Benzoyl-6,7-dimethyl-4-azatricyclo[4.3.0.0~3,7~]nonane-3-carbonitrile chemical structure, C18H20N2O, CAS 1005272-77-4
4-Benzoyl-6,7-dimethyl-4-azatricyclo[4.3.0.0~3,7~]nonane-3-carbonitrile
CAS 1005272-77-4C18H20N2O
(4-Methylphenyl)(4-phenylpiperazin-1-yl)methanone chemical structure, C18H20N2O, CAS 219989-26-1
(4-Methylphenyl)(4-phenylpiperazin-1-yl)methanone
CAS 219989-26-1C18H20N2O
Phenyl(4-(phenylmethyl)-1-piperazinyl)methanone chemical structure, C18H20N2O, CAS 63991-67-3
Phenyl(4-(phenylmethyl)-1-piperazinyl)methanone
CAS 63991-67-3C18H20N2O
1-[1-(3-Phenylpropyl)-1H-1,3-benzodiazol-2-yl]ethan-1-ol chemical structure, C18H20N2O, CAS 853752-46-2
1-[1-(3-Phenylpropyl)-1H-1,3-benzodiazol-2-yl]ethan-1-ol
CAS 853752-46-2C18H20N2O
Dibenzo(c,f)pyrazino(1,2-a)azepine, 1,2,3,4,10,14b-hexahydro-2-methyl-, 2-oxide chemical structure, C18H20N2O, CAS 62510-46-7
Dibenzo(c,f)pyrazino(1,2-a)azepine, 1,2,3,4,10,14b-hexahydro-2-methyl-, 2-oxide
CAS 62510-46-7C18H20N2O
2(1H)-Isoquinolineacetamide, 3,4-dihydro-N-(4-methylphenyl)- chemical structure, C18H20N2O, CAS 89474-24-8
2(1H)-Isoquinolineacetamide, 3,4-dihydro-N-(4-methylphenyl)-
CAS 89474-24-8C18H20N2O
(2Z)-2-(2,2-Dimethyl-1,3-dihydrobenzo[f]isoquinolin-4-ylidene)-N-methylacetamide chemical structure, C18H20N2O, CAS 1164565-74-5
(2Z)-2-(2,2-Dimethyl-1,3-dihydrobenzo[f]isoquinolin-4-ylidene)-N-methylacetamide
CAS 1164565-74-5C18H20N2O

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 N,N-Dimethyl-5-(phenylmethoxy)-1H-indole-3-methanamine, 2,6-Bis((1-methyl-1H-pyrrol-2-yl)methylene)cyclohexan-1-one, Biphenyl-4-yl-(4-methyl-piperazin-1-yl)-methanone. 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.