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Molecular formula

C21H21BrN4O3

13 compounds have this formula on CompoundList.

Molar mass
457.33g/mol
Monoisotopic mass
456.0797Da
Atoms
50
Elements
5
Rings plus double bonds
13

The formula C21H21BrN4O3 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 4 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 × 2155.15%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.63%
    1.008 × 21 = 21.168 g/mol
  • Br Bromine × 117.47%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 412.25%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 310.50%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H21BrN4O3

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

Showing 1 to 13 of 13 compounds

(E)-2-Bromo-N-(6-oxo-6-(2-(2-oxoindolin-3-ylidene)hydrazinyl)hexyl)benzamide chemical structure, C21H21BrN4O3, CAS 330847-54-6
(E)-2-Bromo-N-(6-oxo-6-(2-(2-oxoindolin-3-ylidene)hydrazinyl)hexyl)benzamide
CAS 330847-54-6C21H21BrN4O3
N'-[4-(Benzyloxy)-3-ethoxybenzylidene]-4-bromo-1-methyl-1H-pyrazole-3-carbohydrazide chemical structure, C21H21BrN4O3, CAS 489410-17-5
N'-[4-(Benzyloxy)-3-ethoxybenzylidene]-4-bromo-1-methyl-1H-pyrazole-3-carbohydrazide
CAS 489410-17-5C21H21BrN4O3
N-{4-[3-(2-Amino-4-oxo-6-phenyl-1,4-dihydropyrimidin-5-yl)propoxy]phenyl}-2-bromoacetamide chemical structure, C21H21BrN4O3, CAS 7631-39-2
N-{4-[3-(2-Amino-4-oxo-6-phenyl-1,4-dihydropyrimidin-5-yl)propoxy]phenyl}-2-bromoacetamide
CAS 7631-39-2C21H21BrN4O3
3-(4-Bromophenyl)-6-(4-(2-methoxyphenyl)piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione chemical structure, C21H21BrN4O3, CAS 847398-89-4
3-(4-Bromophenyl)-6-(4-(2-methoxyphenyl)piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione
CAS 847398-89-4C21H21BrN4O3
3-(4-Bromophenyl)-6-[4-(4-methoxyphenyl)piperazin-1-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione chemical structure, C21H21BrN4O3, CAS 847398-88-3
3-(4-Bromophenyl)-6-[4-(4-methoxyphenyl)piperazin-1-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione
CAS 847398-88-3C21H21BrN4O3
N-[(Z)-[5-Bromo-2-oxo-1-(pyrrolidin-1-ylmethyl)indol-3-ylidene]amino]-4-methoxybenzamide chemical structure, C21H21BrN4O3, CAS 424811-10-9
N-[(Z)-[5-Bromo-2-oxo-1-(pyrrolidin-1-ylmethyl)indol-3-ylidene]amino]-4-methoxybenzamide
CAS 424811-10-9C21H21BrN4O3
2-(4-Bromo-2,6-dimethylphenoxy)-N'-[(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]acetohydrazide chemical structure, C21H21BrN4O3, CAS 413605-32-0
2-(4-Bromo-2,6-dimethylphenoxy)-N'-[(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]acetohydrazide
CAS 413605-32-0C21H21BrN4O3
3-[4-(5-Bromofuran-2-carbonyl)piperazin-1-yl]-6-(4-ethoxyphenyl)pyridazine chemical structure, C21H21BrN4O3, CAS 1049339-22-1
3-[4-(5-Bromofuran-2-carbonyl)piperazin-1-yl]-6-(4-ethoxyphenyl)pyridazine
CAS 1049339-22-1C21H21BrN4O3
1-(6-Bromo-1H-indazol-3-yl)-N-(4-methoxyphenethyl)-5-oxo-3-pyrrolidinecarboxamide chemical structure, C21H21BrN4O3, CAS 1435984-64-7
1-(6-Bromo-1H-indazol-3-yl)-N-(4-methoxyphenethyl)-5-oxo-3-pyrrolidinecarboxamide
CAS 1435984-64-7C21H21BrN4O3
N-[(E)-[3-[(4-Bromo-3,5-dimethylpyrazol-1-yl)methyl]-4-methoxyphenyl]methylideneamino]-2-hydroxybenzamide chemical structure, C21H21BrN4O3, CAS 311813-64-6
N-[(E)-[3-[(4-Bromo-3,5-dimethylpyrazol-1-yl)methyl]-4-methoxyphenyl]methylideneamino]-2-hydroxybenzamide
CAS 311813-64-6C21H21BrN4O3
N-[(E)-(3-Bromo-5-methoxy-4-{2-[2-(prop-2-en-1-yl)phenoxy]ethoxy}phenyl)methylidene]-4H-1,2,4-triazol-4-amine chemical structure, C21H21BrN4O3, CAS 425418-88-8
N-[(E)-(3-Bromo-5-methoxy-4-{2-[2-(prop-2-en-1-yl)phenoxy]ethoxy}phenyl)methylidene]-4H-1,2,4-triazol-4-amine
CAS 425418-88-8C21H21BrN4O3
(3-((3-Bromopyridin-2-yl)oxy)pyrrolidin-1-yl)(3-(3-methoxyphenyl)-1-methyl-1H-pyrazol-5-yl)methanone chemical structure, C21H21BrN4O3, CAS 1903038-62-9
(3-((3-Bromopyridin-2-yl)oxy)pyrrolidin-1-yl)(3-(3-methoxyphenyl)-1-methyl-1H-pyrazol-5-yl)methanone
CAS 1903038-62-9C21H21BrN4O3
(S)-Methyl 3-(7-bromo-2-((2-oxopropyl)amino)-5-(pyridin-2-yl)-3H-benzo[e][1,4]diazepin-3-yl)propanoate chemical structure, C21H21BrN4O3, CAS 1275616-61-9
(S)-Methyl 3-(7-bromo-2-((2-oxopropyl)amino)-5-(pyridin-2-yl)-3H-benzo[e][1,4]diazepin-3-yl)propanoate
CAS 1275616-61-9C21H21BrN4O3

Frequently asked questions

What is the molar mass of C21H21BrN4O3?

The molar mass of C21H21BrN4O3 is 457.33 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 456.0797 Da.

How many compounds have the formula C21H21BrN4O3?

CompoundList lists 13 compounds with the molecular formula C21H21BrN4O3, including (E)-2-Bromo-N-(6-oxo-6-(2-(2-oxoindolin-3-ylidene)hydrazinyl)hexyl)benzamide, N'-[4-(Benzyloxy)-3-ethoxybenzylidene]-4-bromo-1-methyl-1H-pyrazole-3-carbohydrazide, N-{4-[3-(2-Amino-4-oxo-6-phenyl-1,4-dihydropyrimidin-5-yl)propoxy]phenyl}-2-bromoacetamide. 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 C21H21BrN4O3?

C21H21BrN4O3 has a degree of unsaturation of 13. 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.