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Molecular formula

C18H21BrN4O

23 compounds have this formula on CompoundList.

Molar mass
389.30g/mol
Monoisotopic mass
388.0899Da
Atoms
45
Elements
5
Rings plus double bonds
10

The formula C18H21BrN4O describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 4 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 × 1855.54%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 215.44%
    1.008 × 21 = 21.168 g/mol
  • Br Bromine × 120.53%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 414.39%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 14.11%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H21BrN4O

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

Showing 1 to 23 of 23 compounds

N-(4-Bromo-3-methylphenyl)-2-[4-(2-pyridinyl)piperazino]acetamide chemical structure, C18H21BrN4O, CAS 329779-66-0
N-(4-Bromo-3-methylphenyl)-2-[4-(2-pyridinyl)piperazino]acetamide
CAS 329779-66-0C18H21BrN4O
N-(4-Bromo-2-methylphenyl)-2-[4-(2-pyridinyl)piperazino]acetamide chemical structure, C18H21BrN4O, CAS 380626-12-0
N-(4-Bromo-2-methylphenyl)-2-[4-(2-pyridinyl)piperazino]acetamide
CAS 380626-12-0C18H21BrN4O
1-(2-(2-Naphthyl)-2-oxoethyl)-3,5,7-triaza-1-azoniatricyclo(3.3.1.1[3,7])decane bromide chemical structure, C18H21BrN4O, CAS 14153-76-5
1-(2-(2-Naphthyl)-2-oxoethyl)-3,5,7-triaza-1-azoniatricyclo(3.3.1.1[3,7])decane bromide
CAS 14153-76-5C18H21BrN4O
3-Bromo-N-(2-(4-(pyridin-2-yl)piperazin-1-yl)ethyl)benzamide chemical structure, C18H21BrN4O, CAS 941912-86-3
3-Bromo-N-(2-(4-(pyridin-2-yl)piperazin-1-yl)ethyl)benzamide
CAS 941912-86-3C18H21BrN4O
2-(4-Bromophenyl)-N-[6-(4-methylpiperidin-1-yl)pyrimidin-4-yl]acetamide chemical structure, C18H21BrN4O, CAS 1396812-84-2
2-(4-Bromophenyl)-N-[6-(4-methylpiperidin-1-yl)pyrimidin-4-yl]acetamide
CAS 1396812-84-2C18H21BrN4O
(2-Bromophenyl)(4-(3-cyclopropyl-1-methyl-1H-pyrazol-5-yl)piperazin-1-yl)methanone chemical structure, C18H21BrN4O, CAS 2034582-15-3
(2-Bromophenyl)(4-(3-cyclopropyl-1-methyl-1H-pyrazol-5-yl)piperazin-1-yl)methanone
CAS 2034582-15-3C18H21BrN4O
1-((1R,5S)-3-(2H-1,2,3-Triazol-2-yl)-8-azabicyclo[3.2.1]octan-8-yl)-3-(2-bromophenyl)propan-1-one chemical structure, C18H21BrN4O, CAS 2109239-64-5
1-((1R,5S)-3-(2H-1,2,3-Triazol-2-yl)-8-azabicyclo[3.2.1]octan-8-yl)-3-(2-bromophenyl)propan-1-one
CAS 2109239-64-5C18H21BrN4O
3-(2-Bromophenyl)-1-[3-(1H-1,2,4-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one chemical structure, C18H21BrN4O, CAS 2320850-87-9
3-(2-Bromophenyl)-1-[3-(1H-1,2,4-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one
CAS 2320850-87-9C18H21BrN4O
1-[2-(Naphthalen-1-yl)-2-oxoethyl]-1,3,5,7-tetraazatricyclo[3.3.1.1~3,7~]decan-1-ium bromide chemical structure, C18H21BrN4O, CAS 7595-41-7
1-[2-(Naphthalen-1-yl)-2-oxoethyl]-1,3,5,7-tetraazatricyclo[3.3.1.1~3,7~]decan-1-ium bromide
CAS 7595-41-7C18H21BrN4O
3-(6-Bromo-1H-indol-1-yl)-N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)methyl]propanamide chemical structure, C18H21BrN4O, CAS 1435991-41-5
3-(6-Bromo-1H-indol-1-yl)-N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)methyl]propanamide
CAS 1435991-41-5C18H21BrN4O
3-(2-Bromophenyl)-1-(3-(4-cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)propan-1-one chemical structure, C18H21BrN4O, CAS 2034612-51-4
3-(2-Bromophenyl)-1-(3-(4-cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)propan-1-one
CAS 2034612-51-4C18H21BrN4O
3-(2-Bromophenyl)-1-[3-(1H-1,2,3-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one chemical structure, C18H21BrN4O, CAS 2320889-72-1
3-(2-Bromophenyl)-1-[3-(1H-1,2,3-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one
CAS 2320889-72-1C18H21BrN4O
N-(4-Bromo-3-methylphenyl)-1-(6-methylpyridazin-3-yl)piperidine-3-carboxamide chemical structure, C18H21BrN4O, CAS 1421477-46-4
N-(4-Bromo-3-methylphenyl)-1-(6-methylpyridazin-3-yl)piperidine-3-carboxamide
CAS 1421477-46-4C18H21BrN4O
2-Bromo-N-[1-(5-cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]benzamide chemical structure, C18H21BrN4O, CAS 1902900-24-6
2-Bromo-N-[1-(5-cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]benzamide
CAS 1902900-24-6C18H21BrN4O
1-[(6aR,9S)-5-Bromo-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinolin-9-yl]-3-ethylurea chemical structure, C18H21BrN4O, CAS 110429-51-1
1-[(6aR,9S)-5-Bromo-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinolin-9-yl]-3-ethylurea
CAS 110429-51-1C18H21BrN4O
N-(4-Bromo-2-methylphenyl)-1-(6-methylpyridazin-3-yl)piperidine-3-carboxamide chemical structure, C18H21BrN4O, CAS 2176201-71-9
N-(4-Bromo-2-methylphenyl)-1-(6-methylpyridazin-3-yl)piperidine-3-carboxamide
CAS 2176201-71-9C18H21BrN4O
[4-(6-Amino-3-pyridazinyl)-1-piperidinyl](4-bromo-3-ethylphenyl)methanone chemical structure, C18H21BrN4O, CAS 2374834-35-0
[4-(6-Amino-3-pyridazinyl)-1-piperidinyl](4-bromo-3-ethylphenyl)methanone
CAS 2374834-35-0C18H21BrN4O
N-[1-(2-Bromobenzoyl)piperidin-4-yl]-N,6-dimethylpyrimidin-4-amine chemical structure, C18H21BrN4O, CAS 2415552-17-7
N-[1-(2-Bromobenzoyl)piperidin-4-yl]-N,6-dimethylpyrimidin-4-amine
CAS 2415552-17-7C18H21BrN4O
2-[4-(5-Bromopyridin-2-yl)piperazin-1-yl]-N-(4-methylphenyl)acetamide chemical structure, C18H21BrN4O, CAS 2770597-17-4
2-[4-(5-Bromopyridin-2-yl)piperazin-1-yl]-N-(4-methylphenyl)acetamide
CAS 2770597-17-4C18H21BrN4O
N-[1-(2-Bromobenzoyl)piperidin-3-yl]-N,5-dimethylpyrimidin-2-amine chemical structure, C18H21BrN4O, CAS 2741914-04-3
N-[1-(2-Bromobenzoyl)piperidin-3-yl]-N,5-dimethylpyrimidin-2-amine
CAS 2741914-04-3C18H21BrN4O
N-[1-(3-Bromobenzoyl)piperidin-3-yl]-N,5-dimethylpyrimidin-2-amine chemical structure, C18H21BrN4O, CAS 2640893-07-6
N-[1-(3-Bromobenzoyl)piperidin-3-yl]-N,5-dimethylpyrimidin-2-amine
CAS 2640893-07-6C18H21BrN4O
4-{[5-(5-Bromopyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]methyl}-1-methyl-1,2-dihydropyridin-2-one chemical structure, C18H21BrN4O, CAS 2770599-58-9
4-{[5-(5-Bromopyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]methyl}-1-methyl-1,2-dihydropyridin-2-one
CAS 2770599-58-9C18H21BrN4O
3-{3-Bromo-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}-1-methylpiperidine chemical structure, C18H21BrN4O, CAS 2770622-82-5
3-{3-Bromo-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}-1-methylpiperidine
CAS 2770622-82-5C18H21BrN4O

Frequently asked questions

What is the molar mass of C18H21BrN4O?

The molar mass of C18H21BrN4O is 389.30 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 388.0899 Da.

How many compounds have the formula C18H21BrN4O?

CompoundList lists 23 compounds with the molecular formula C18H21BrN4O, including N-(4-Bromo-3-methylphenyl)-2-[4-(2-pyridinyl)piperazino]acetamide, N-(4-Bromo-2-methylphenyl)-2-[4-(2-pyridinyl)piperazino]acetamide, 1-(2-(2-Naphthyl)-2-oxoethyl)-3,5,7-triaza-1-azoniatricyclo(3.3.1.1[3,7])decane bromide. 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 C18H21BrN4O?

C18H21BrN4O 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.