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Molecular formula

C21H19BrO4

6 compounds have this formula on CompoundList.

Molar mass
415.28g/mol
Monoisotopic mass
414.0467Da
Atoms
45
Elements
4
Rings plus double bonds
12

The formula C21H19BrO4 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 bromine atom and 4 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 × 2160.74%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.61%
    1.008 × 19 = 19.152 g/mol
  • Br Bromine × 119.24%
    79.904 × 1 = 79.904 g/mol
  • O Oxygen × 415.41%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H19BrO4

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

Showing 1 to 6 of 6 compounds

3,3,5-Trimethyl-6-oxo-2-phenyl-3,6-dihydro-2H-pyran-4-yl 4-bromobenzoate chemical structure, C21H19BrO4, CAS 381170-77-0
3,3,5-Trimethyl-6-oxo-2-phenyl-3,6-dihydro-2H-pyran-4-yl 4-bromobenzoate
CAS 381170-77-0C21H19BrO4
2-(4-Bromophenyl)-3,3,5-trimethyl-6-oxo-3,6-dihydro-2H-pyran-4-yl benzoate chemical structure, C21H19BrO4, CAS 378220-41-8
2-(4-Bromophenyl)-3,3,5-trimethyl-6-oxo-3,6-dihydro-2H-pyran-4-yl benzoate
CAS 378220-41-8C21H19BrO4
Ethyl 6-bromo-2-methyl-5-{[(2E)-3-phenylprop-2-en-1-yl]oxy}-1-benzofuran-3-carboxylate chemical structure, C21H19BrO4, CAS 308295-64-9
Ethyl 6-bromo-2-methyl-5-{[(2E)-3-phenylprop-2-en-1-yl]oxy}-1-benzofuran-3-carboxylate
CAS 308295-64-9C21H19BrO4
7-[2-(4-Bromophenyl)-2-oxoethoxy]-8-methyl-4-propyl-2H-chromen-2-one chemical structure, C21H19BrO4, CAS 690681-84-6
7-[2-(4-Bromophenyl)-2-oxoethoxy]-8-methyl-4-propyl-2H-chromen-2-one
CAS 690681-84-6C21H19BrO4
7-[2-(4-Bromophenyl)-2-oxoethoxy]-4-butyl-2H-chromen-2-one chemical structure, C21H19BrO4, CAS 433249-22-0
7-[2-(4-Bromophenyl)-2-oxoethoxy]-4-butyl-2H-chromen-2-one
CAS 433249-22-0C21H19BrO4
7-[2-(4-Bromophenyl)-2-oxoethoxy]-3-ethyl-4,8-dimethyl-2H-chromen-2-one chemical structure, C21H19BrO4, CAS 670243-83-1
7-[2-(4-Bromophenyl)-2-oxoethoxy]-3-ethyl-4,8-dimethyl-2H-chromen-2-one
CAS 670243-83-1C21H19BrO4

Frequently asked questions

What is the molar mass of C21H19BrO4?

The molar mass of C21H19BrO4 is 415.28 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 bromine atom and 4 oxygen atoms. The monoisotopic mass is 414.0467 Da.

How many compounds have the formula C21H19BrO4?

CompoundList lists 6 compounds with the molecular formula C21H19BrO4, including 3,3,5-Trimethyl-6-oxo-2-phenyl-3,6-dihydro-2H-pyran-4-yl 4-bromobenzoate, 2-(4-Bromophenyl)-3,3,5-trimethyl-6-oxo-3,6-dihydro-2H-pyran-4-yl benzoate, Ethyl 6-bromo-2-methyl-5-{[(2E)-3-phenylprop-2-en-1-yl]oxy}-1-benzofuran-3-carboxylate. 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 C21H19BrO4?

C21H19BrO4 has a degree of unsaturation of 12. 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.