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Molecular formula

C21H16BrN3O4S

8 compounds have this formula on CompoundList.

Molar mass
486.34g/mol
Monoisotopic mass
485.0045Da
Atoms
46
Elements
6
Rings plus double bonds
15

The formula C21H16BrN3O4S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur 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 × 2151.86%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.32%
    1.008 × 16 = 16.128 g/mol
  • Br Bromine × 116.43%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 38.64%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 413.16%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 16.59%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H16BrN3O4S

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

Showing 1 to 8 of 8 compounds

2-Bromo-6-methoxy-4-((E)-(2-(4-methylphenyl)-6-oxo(1,3)thiazolo(3,2-B)(1,2,4)triazol-5(6H)-ylidene)methyl)phenyl acetate chemical structure, C21H16BrN3O4S, CAS 606953-11-1
2-Bromo-6-methoxy-4-((E)-(2-(4-methylphenyl)-6-oxo(1,3)thiazolo(3,2-B)(1,2,4)triazol-5(6H)-ylidene)methyl)phenyl acetate
CAS 606953-11-1C21H16BrN3O4S
4-[(E)-(2-(4-Bromophenyl)-6-oxo[1,3]thiazolo[3,2-B][1,2,4]triazol-5(6H)-ylidene)methyl]-2-ethoxyphenyl acetate chemical structure, C21H16BrN3O4S, CAS 606959-54-0
4-[(E)-(2-(4-Bromophenyl)-6-oxo[1,3]thiazolo[3,2-B][1,2,4]triazol-5(6H)-ylidene)methyl]-2-ethoxyphenyl acetate
CAS 606959-54-0C21H16BrN3O4S
2-((4-(Benzo[d][1,3]dioxol-5-yl)-3-cyano-6-oxo-1,4,5,6-tetrahydropyridin-2-yl)thio)-N-(4-bromophenyl)acetamide chemical structure, C21H16BrN3O4S, CAS 384358-58-1
2-((4-(Benzo[d][1,3]dioxol-5-yl)-3-cyano-6-oxo-1,4,5,6-tetrahydropyridin-2-yl)thio)-N-(4-bromophenyl)acetamide
CAS 384358-58-1C21H16BrN3O4S
3-(4-Bromophenyl)-5-(3-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole chemical structure, C21H16BrN3O4S, CAS 362490-89-9
3-(4-Bromophenyl)-5-(3-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole
CAS 362490-89-9C21H16BrN3O4S
(2Z)-2-(3-Bromobenzylidene)-6-(3,4-dimethoxybenzyl)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione chemical structure, C21H16BrN3O4S, CAS 638133-40-1
(2Z)-2-(3-Bromobenzylidene)-6-(3,4-dimethoxybenzyl)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione
CAS 638133-40-1C21H16BrN3O4S
(2Z)-2-(4-Bromobenzylidene)-6-(3,4-dimethoxybenzyl)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione chemical structure, C21H16BrN3O4S, CAS 638133-50-3
(2Z)-2-(4-Bromobenzylidene)-6-(3,4-dimethoxybenzyl)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione
CAS 638133-50-3C21H16BrN3O4S
2-Bromo-6-methoxy-4-{(Z)-[2-(3-methylphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}phenyl acetate chemical structure, C21H16BrN3O4S, CAS 578718-50-0
2-Bromo-6-methoxy-4-{(Z)-[2-(3-methylphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}phenyl acetate
CAS 578718-50-0C21H16BrN3O4S
4-{(Z)-[2-(2-Bromophenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}-2-ethoxyphenyl acetate chemical structure, C21H16BrN3O4S, CAS 618853-11-5
4-{(Z)-[2-(2-Bromophenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]methyl}-2-ethoxyphenyl acetate
CAS 618853-11-5C21H16BrN3O4S

Frequently asked questions

What is the molar mass of C21H16BrN3O4S?

The molar mass of C21H16BrN3O4S is 486.34 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 bromine atom, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 485.0045 Da.

How many compounds have the formula C21H16BrN3O4S?

CompoundList lists 8 compounds with the molecular formula C21H16BrN3O4S, including 2-Bromo-6-methoxy-4-((E)-(2-(4-methylphenyl)-6-oxo(1,3)thiazolo(3,2-B)(1,2,4)triazol-5(6H)-ylidene)methyl)phenyl acetate, 4-[(E)-(2-(4-Bromophenyl)-6-oxo[1,3]thiazolo[3,2-B][1,2,4]triazol-5(6H)-ylidene)methyl]-2-ethoxyphenyl acetate, 2-((4-(Benzo[d][1,3]dioxol-5-yl)-3-cyano-6-oxo-1,4,5,6-tetrahydropyridin-2-yl)thio)-N-(4-bromophenyl)acetamide. 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 C21H16BrN3O4S?

C21H16BrN3O4S 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.