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Molecular formula

C21H16BrN3O3S2

5 compounds have this formula on CompoundList.

Molar mass
502.40g/mol
Monoisotopic mass
500.9816Da
Atoms
46
Elements
6
Rings plus double bonds
15

The formula C21H16BrN3O3S2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur 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 × 2150.21%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.21%
    1.008 × 16 = 16.128 g/mol
  • Br Bromine × 115.90%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 38.36%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 39.55%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 212.76%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H16BrN3O3S2

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

Showing 1 to 5 of 5 compounds

N-(3-Bromophenyl)-2-((3Z)-3-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl)acetamide chemical structure, C21H16BrN3O3S2, CAS 618075-10-8
N-(3-Bromophenyl)-2-((3Z)-3-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl)acetamide
CAS 618075-10-8C21H16BrN3O3S2
N-(4-Bromo-1,3-benzothiazol-2-yl)-2-(4-methylbenzenesulfonamido)benzamide chemical structure, C21H16BrN3O3S2, CAS 921067-30-3
N-(4-Bromo-1,3-benzothiazol-2-yl)-2-(4-methylbenzenesulfonamido)benzamide
CAS 921067-30-3C21H16BrN3O3S2
4-Bromo-N-[5-(2-naphthalen-2-ylsulfonylethyl)-1,3,4-thiadiazol-2-yl]benzamide chemical structure, C21H16BrN3O3S2, CAS 5658-29-7
4-Bromo-N-[5-(2-naphthalen-2-ylsulfonylethyl)-1,3,4-thiadiazol-2-yl]benzamide
CAS 5658-29-7C21H16BrN3O3S2
2-(4-Bromophenoxy)-3-{(Z)-[4-oxo-3-(propan-2-yl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H16BrN3O3S2, CAS 799771-57-6
2-(4-Bromophenoxy)-3-{(Z)-[4-oxo-3-(propan-2-yl)-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 799771-57-6C21H16BrN3O3S2
2-(4-Bromophenoxy)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H16BrN3O3S2, CAS 799772-76-2
2-(4-Bromophenoxy)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 799772-76-2C21H16BrN3O3S2

Frequently asked questions

What is the molar mass of C21H16BrN3O3S2?

The molar mass of C21H16BrN3O3S2 is 502.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 500.9816 Da.

How many compounds have the formula C21H16BrN3O3S2?

CompoundList lists 5 compounds with the molecular formula C21H16BrN3O3S2, including N-(3-Bromophenyl)-2-((3Z)-3-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl)acetamide, N-(4-Bromo-1,3-benzothiazol-2-yl)-2-(4-methylbenzenesulfonamido)benzamide, 4-Bromo-N-[5-(2-naphthalen-2-ylsulfonylethyl)-1,3,4-thiadiazol-2-yl]benzamide. 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 C21H16BrN3O3S2?

C21H16BrN3O3S2 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.