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Molecular formula

C21H16BrN3O3

24 compounds have this formula on CompoundList.

Molar mass
438.28g/mol
Monoisotopic mass
437.0375Da
Atoms
44
Elements
5
Rings plus double bonds
15

The formula C21H16BrN3O3 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 3 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 × 2157.55%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.68%
    1.008 × 16 = 16.128 g/mol
  • Br Bromine × 118.23%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 39.59%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 310.95%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H16BrN3O3

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

Showing 1 to 24 of 24 compounds

2-(4-Bromophenoxy)-N-(2-methyl-3-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)acetamide chemical structure, C21H16BrN3O3, CAS 353465-59-5
2-(4-Bromophenoxy)-N-(2-methyl-3-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)acetamide
CAS 353465-59-5C21H16BrN3O3
3-Bromo-4-methoxy-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H16BrN3O3, CAS 331866-22-9
3-Bromo-4-methoxy-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide
CAS 331866-22-9C21H16BrN3O3
4-Bromo-2-(2-(3-pyridinylcarbonyl)carbohydrazonoyl)phenyl 2-methylbenzoate chemical structure, C21H16BrN3O3, CAS 765275-82-9
4-Bromo-2-(2-(3-pyridinylcarbonyl)carbohydrazonoyl)phenyl 2-methylbenzoate
CAS 765275-82-9C21H16BrN3O3
4-Bromo-2-(2-(3-pyridinylcarbonyl)carbohydrazonoyl)phenyl 3-methylbenzoate chemical structure, C21H16BrN3O3, CAS 765274-93-9
4-Bromo-2-(2-(3-pyridinylcarbonyl)carbohydrazonoyl)phenyl 3-methylbenzoate
CAS 765274-93-9C21H16BrN3O3
N-(6-Bromo-2-methylquinolin-4-yl)-4-(2,5-dioxopyrrolidin-1-yl)benzamide chemical structure, C21H16BrN3O3, CAS 940983-87-9
N-(6-Bromo-2-methylquinolin-4-yl)-4-(2,5-dioxopyrrolidin-1-yl)benzamide
CAS 940983-87-9C21H16BrN3O3
5-Bromo-2-methoxy-N-(2-methyl-4-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)benzamide chemical structure, C21H16BrN3O3, CAS 833434-15-4
5-Bromo-2-methoxy-N-(2-methyl-4-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)benzamide
CAS 833434-15-4C21H16BrN3O3
3-[5-(2-Bromophenyl)-1,2,4-oxadiazol-3-yl]-2-methoxy-6-(3-methoxyphenyl)pyridine chemical structure, C21H16BrN3O3, CAS 708218-52-4
3-[5-(2-Bromophenyl)-1,2,4-oxadiazol-3-yl]-2-methoxy-6-(3-methoxyphenyl)pyridine
CAS 708218-52-4C21H16BrN3O3
2-(4-Bromophenoxy)-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]acetamide chemical structure, C21H16BrN3O3, CAS 354157-08-7
2-(4-Bromophenoxy)-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]acetamide
CAS 354157-08-7C21H16BrN3O3
3-Bromo-4-ethoxy-N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H16BrN3O3, CAS 330470-12-7
3-Bromo-4-ethoxy-N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide
CAS 330470-12-7C21H16BrN3O3
5-Bromo-2-methoxy-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H16BrN3O3, CAS 431917-03-2
5-Bromo-2-methoxy-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide
CAS 431917-03-2C21H16BrN3O3
(5E)-1-(4-Bromophenyl)-5-[(1-ethylindol-3-yl)methylidene]-1,3-diazinane-2,4,6-trione chemical structure, C21H16BrN3O3, CAS 343343-40-8
(5E)-1-(4-Bromophenyl)-5-[(1-ethylindol-3-yl)methylidene]-1,3-diazinane-2,4,6-trione
CAS 343343-40-8C21H16BrN3O3
2-Amino-4-(4-bromophenyl)-6-(furan-2-ylmethyl)-7-methyl-5-oxo-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H16BrN3O3, CAS 758701-65-4
2-Amino-4-(4-bromophenyl)-6-(furan-2-ylmethyl)-7-methyl-5-oxo-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 758701-65-4C21H16BrN3O3
N-[2-(5-Bromo-2-hydroxyphenyl)-4-oxo-1,2-dihydroquinazolin-3-yl]benzamide chemical structure, C21H16BrN3O3, CAS 353769-92-3
N-[2-(5-Bromo-2-hydroxyphenyl)-4-oxo-1,2-dihydroquinazolin-3-yl]benzamide
CAS 353769-92-3C21H16BrN3O3
N-[2-(5-Bromopyridin-3-yl)-1,3-benzoxazol-5-yl]-2-(4-methylphenoxy)acetamide chemical structure, C21H16BrN3O3, CAS 835890-81-8
N-[2-(5-Bromopyridin-3-yl)-1,3-benzoxazol-5-yl]-2-(4-methylphenoxy)acetamide
CAS 835890-81-8C21H16BrN3O3
2-Bromo-5-methoxy-N-(5-methyl-2-phenyloxazolo[5,4-b]pyridin-6-yl)benzamide chemical structure, C21H16BrN3O3, CAS 2034423-38-4
2-Bromo-5-methoxy-N-(5-methyl-2-phenyloxazolo[5,4-b]pyridin-6-yl)benzamide
CAS 2034423-38-4C21H16BrN3O3
4(3H)-Quinazolinone, 6-bromo-2-((4-methoxyphenyl)methoxy)-3-(2-pyridinyl)- chemical structure, C21H16BrN3O3, CAS 85178-75-2
4(3H)-Quinazolinone, 6-bromo-2-((4-methoxyphenyl)methoxy)-3-(2-pyridinyl)-
CAS 85178-75-2C21H16BrN3O3
N-[4-[[(2-Bromobenzoyl)amino]carbamoyl]phenyl]benzamide chemical structure, C21H16BrN3O3, CAS 651709-33-0
N-[4-[[(2-Bromobenzoyl)amino]carbamoyl]phenyl]benzamide
CAS 651709-33-0C21H16BrN3O3
5-Bromo-2-methoxy-3-methyl-N-(2-pyridin-3-yl-1,3-benzoxazol-5-yl)benzamide chemical structure, C21H16BrN3O3, CAS 708293-90-7
5-Bromo-2-methoxy-3-methyl-N-(2-pyridin-3-yl-1,3-benzoxazol-5-yl)benzamide
CAS 708293-90-7C21H16BrN3O3
1-(2-(4-Nitrophenyl)-2-oxoethyl)-2-phenylimidazo[1,2-a]pyridin-1-ium bromide chemical structure, C21H16BrN3O3, CAS 476411-27-5
1-(2-(4-Nitrophenyl)-2-oxoethyl)-2-phenylimidazo[1,2-a]pyridin-1-ium bromide
CAS 476411-27-5C21H16BrN3O3
1-(3-Bromobenzyl)-5-(3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one chemical structure, C21H16BrN3O3, CAS 1251552-45-0
1-(3-Bromobenzyl)-5-(3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one
CAS 1251552-45-0C21H16BrN3O3
4-(9-Bromo-5-(pyridin-4-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)benzene-1,3-diol chemical structure, C21H16BrN3O3, CAS 899729-04-5
4-(9-Bromo-5-(pyridin-4-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)benzene-1,3-diol
CAS 899729-04-5C21H16BrN3O3
3-(4-Bromo-3-methylphenyl)-2-(3-nitrophenyl)-1,2-dihydroquinazolin-4-one chemical structure, C21H16BrN3O3, CAS 592477-70-8
3-(4-Bromo-3-methylphenyl)-2-(3-nitrophenyl)-1,2-dihydroquinazolin-4-one
CAS 592477-70-8C21H16BrN3O3
({4-[(E)-(4-Bromobenzoyl)diazenyl]anilino}oxy)(4-methylphenyl)methanone chemical structure, C21H16BrN3O3, CAS 6938-74-5
({4-[(E)-(4-Bromobenzoyl)diazenyl]anilino}oxy)(4-methylphenyl)methanone
CAS 6938-74-5C21H16BrN3O3
3-[5-[(3-Bromo-2-pyridinyl)methoxy]-2-methylphenyl]-1H-quinazoline-2,4-dione chemical structure, C21H16BrN3O3, CAS 1569308-22-0
3-[5-[(3-Bromo-2-pyridinyl)methoxy]-2-methylphenyl]-1H-quinazoline-2,4-dione
CAS 1569308-22-0C21H16BrN3O3

Frequently asked questions

What is the molar mass of C21H16BrN3O3?

The molar mass of C21H16BrN3O3 is 438.28 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 437.0375 Da.

How many compounds have the formula C21H16BrN3O3?

CompoundList lists 24 compounds with the molecular formula C21H16BrN3O3, including 2-(4-Bromophenoxy)-N-(2-methyl-3-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)acetamide, 3-Bromo-4-methoxy-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide, 4-Bromo-2-(2-(3-pyridinylcarbonyl)carbohydrazonoyl)phenyl 2-methylbenzoate. 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 C21H16BrN3O3?

C21H16BrN3O3 has a degree of unsaturation of 15. 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.