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Molecular formula

C18H20N4O2

337 compounds have this formula on CompoundList.

Molar mass
324.38g/mol
Monoisotopic mass
324.1586Da
Atoms
44
Elements
4
Rings plus double bonds
11

The formula C18H20N4O2 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 2 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 × 1866.65%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 206.21%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 417.27%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 29.86%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C18H20N4O2

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

Showing 301 to 337 of 337 compounds

N-[2-Amino-1-(naphthalen-2-yl)ethyl]-1,3-dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxamide chemical structure, C18H20N4O2, CAS 2445791-26-2
N-[2-Amino-1-(naphthalen-2-yl)ethyl]-1,3-dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxamide
CAS 2445791-26-2C18H20N4O2
1-(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-4-phenylpiperidine-4-carbonitrile chemical structure, C18H20N4O2, CAS 2741931-36-0
1-(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-4-phenylpiperidine-4-carbonitrile
CAS 2741931-36-0C18H20N4O2
N-[(2,3-Dihydro-1,4-benzodioxin-6-yl)methyl]-N,2,5-trimethylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C18H20N4O2, CAS 2742023-28-3
N-[(2,3-Dihydro-1,4-benzodioxin-6-yl)methyl]-N,2,5-trimethylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 2742023-28-3C18H20N4O2
5-[4-(1,8-Naphthyridin-2-yl)piperidine-1-carbonyl]pyrrolidin-2-one chemical structure, C18H20N4O2, CAS 2640814-75-9
5-[4-(1,8-Naphthyridin-2-yl)piperidine-1-carbonyl]pyrrolidin-2-one
CAS 2640814-75-9C18H20N4O2
2-[5-(2-Methoxybenzoyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyrimidine chemical structure, C18H20N4O2, CAS 2415453-17-5
2-[5-(2-Methoxybenzoyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyrimidine
CAS 2415453-17-5C18H20N4O2
2-{4-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-1,3-benzoxazole chemical structure, C18H20N4O2, CAS 2415628-75-8
2-{4-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-1,3-benzoxazole
CAS 2415628-75-8C18H20N4O2
6,7-Dimethoxy-2-{6-methyl-5H-pyrrolo[3,2-d]pyrimidin-4-yl}-1,2,3,4-tetrahydroisoquinoline chemical structure, C18H20N4O2, CAS 2741944-17-0
6,7-Dimethoxy-2-{6-methyl-5H-pyrrolo[3,2-d]pyrimidin-4-yl}-1,2,3,4-tetrahydroisoquinoline
CAS 2741944-17-0C18H20N4O2
1-(1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-4-phenylpiperidine-4-carbonitrile chemical structure, C18H20N4O2, CAS 2742041-39-8
1-(1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-4-phenylpiperidine-4-carbonitrile
CAS 2742041-39-8C18H20N4O2
1-(4,6-Dimethoxypyrimidin-2-yl)-4-phenylpiperidine-4-carbonitrile chemical structure, C18H20N4O2, CAS 2742029-37-2
1-(4,6-Dimethoxypyrimidin-2-yl)-4-phenylpiperidine-4-carbonitrile
CAS 2742029-37-2C18H20N4O2
3-[(1-{Furo[3,2-c]pyridin-4-yl}piperidin-4-yl)oxy]-2,5-dimethylpyrazine chemical structure, C18H20N4O2, CAS 2742044-40-0
3-[(1-{Furo[3,2-c]pyridin-4-yl}piperidin-4-yl)oxy]-2,5-dimethylpyrazine
CAS 2742044-40-0C18H20N4O2
2-{4-[(3,6-Dimethylpyrazin-2-yl)oxy]piperidin-1-yl}-1,3-benzoxazole chemical structure, C18H20N4O2, CAS 2742006-86-4
2-{4-[(3,6-Dimethylpyrazin-2-yl)oxy]piperidin-1-yl}-1,3-benzoxazole
CAS 2742006-86-4C18H20N4O2
2-{4-[(6-Methoxypyridin-3-yl)methyl]piperazin-1-yl}-1,3-benzoxazole chemical structure, C18H20N4O2, CAS 2770632-56-7
2-{4-[(6-Methoxypyridin-3-yl)methyl]piperazin-1-yl}-1,3-benzoxazole
CAS 2770632-56-7C18H20N4O2
2-(5-Cyano-4-methyl-3-methylidene-6-oxo-1,2,3,6-tetrahydropyridazin-1-yl)-N-methyl-N-[(4-methylphenyl)methyl]acetamide chemical structure, C18H20N4O2, CAS 2411295-75-3
2-(5-Cyano-4-methyl-3-methylidene-6-oxo-1,2,3,6-tetrahydropyridazin-1-yl)-N-methyl-N-[(4-methylphenyl)methyl]acetamide
CAS 2411295-75-3C18H20N4O2
Benzyl N-(4-cyano-1-cyclohexyl-1H-pyrazol-5-yl)carbamate chemical structure, C18H20N4O2, CAS 2680886-23-9
Benzyl N-(4-cyano-1-cyclohexyl-1H-pyrazol-5-yl)carbamate
CAS 2680886-23-9C18H20N4O2
2-Pyridinemethanol,alpha-(4-ethoxyphenyl)-6-[(5-methyl-1H-pyrazol-3-yl)amino]- chemical structure, C18H20N4O2, CAS 2054921-15-0
2-Pyridinemethanol,alpha-(4-ethoxyphenyl)-6-[(5-methyl-1H-pyrazol-3-yl)amino]-
CAS 2054921-15-0C18H20N4O2
2-(Cyclobutylmethyl)-7-(3,4-dimethylphenyl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione chemical structure, C18H20N4O2, CAS 3030783-30-0
2-(Cyclobutylmethyl)-7-(3,4-dimethylphenyl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione
CAS 3030783-30-0C18H20N4O2
2-(Cyclobutylmethyl)-7-(2,4-dimethylphenyl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione chemical structure, C18H20N4O2, CAS 3054546-95-8
2-(Cyclobutylmethyl)-7-(2,4-dimethylphenyl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione
CAS 3054546-95-8C18H20N4O2
1-[4-(6-Methylpyrimidin-4-yl)morpholine-2-carbonyl]-2,3-dihydro-1H-indole chemical structure, C18H20N4O2, CAS 3054590-45-0
1-[4-(6-Methylpyrimidin-4-yl)morpholine-2-carbonyl]-2,3-dihydro-1H-indole
CAS 3054590-45-0C18H20N4O2
1-[4-(4-Methylpyrimidin-2-yl)morpholine-2-carbonyl]-2,3-dihydro-1H-indole chemical structure, C18H20N4O2, CAS 3054629-80-7
1-[4-(4-Methylpyrimidin-2-yl)morpholine-2-carbonyl]-2,3-dihydro-1H-indole
CAS 3054629-80-7C18H20N4O2
1-[4-(6-Methylpyrazin-2-yl)morpholine-2-carbonyl]-2,3-dihydro-1H-indole chemical structure, C18H20N4O2, CAS 3054621-13-2
1-[4-(6-Methylpyrazin-2-yl)morpholine-2-carbonyl]-2,3-dihydro-1H-indole
CAS 3054621-13-2C18H20N4O2
2-[4-(Pyrazin-2-yl)morpholine-2-carbonyl]-1,2,3,4-tetrahydroisoquinoline chemical structure, C18H20N4O2, CAS 3054559-99-5
2-[4-(Pyrazin-2-yl)morpholine-2-carbonyl]-1,2,3,4-tetrahydroisoquinoline
CAS 3054559-99-5C18H20N4O2
2-[4-(Pyrimidin-2-yl)morpholine-2-carbonyl]-1,2,3,4-tetrahydroisoquinoline chemical structure, C18H20N4O2, CAS 3054620-27-5
2-[4-(Pyrimidin-2-yl)morpholine-2-carbonyl]-1,2,3,4-tetrahydroisoquinoline
CAS 3054620-27-5C18H20N4O2
6-(4-Methoxybenzoyl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane chemical structure, C18H20N4O2, CAS 3054443-79-4
6-(4-Methoxybenzoyl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane
CAS 3054443-79-4C18H20N4O2
6-(2-Methoxybenzoyl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane chemical structure, C18H20N4O2, CAS 3054601-40-7
6-(2-Methoxybenzoyl)-3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptane
CAS 3054601-40-7C18H20N4O2

Frequently asked questions

What is the molar mass of C18H20N4O2?

The molar mass of C18H20N4O2 is 324.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 324.1586 Da.

How many compounds have the formula C18H20N4O2?

CompoundList lists 337 compounds with the molecular formula C18H20N4O2, including N-[2-Amino-1-(naphthalen-2-yl)ethyl]-1,3-dimethyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxamide, 1-(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-4-phenylpiperidine-4-carbonitrile, N-[(2,3-Dihydro-1,4-benzodioxin-6-yl)methyl]-N,2,5-trimethylpyrazolo[1,5-a]pyrimidin-7-amine. 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 C18H20N4O2?

C18H20N4O2 has a degree of unsaturation of 11. 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.