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Molecular formula

C21H31BrO4

4 compounds have this formula on CompoundList.

Molar mass
427.38g/mol
Monoisotopic mass
426.1406Da
Atoms
57
Elements
4
Rings plus double bonds
6

The formula C21H31BrO4 describes a molecule made of 21 carbon atoms, 31 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 × 2159.02%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 317.31%
    1.008 × 31 = 31.248 g/mol
  • Br Bromine × 118.70%
    79.904 × 1 = 79.904 g/mol
  • O Oxygen × 414.97%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H31BrO4

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

Showing 1 to 4 of 4 compounds

5alpha-Bromo-3beta-acetoxy-6beta-hydroxyandrostan-17-one chemical structure, C21H31BrO4, CAS 4229-69-0
5alpha-Bromo-3beta-acetoxy-6beta-hydroxyandrostan-17-one
CAS 4229-69-0C21H31BrO4
2-Bromo-2-cycloundecenyl camphanate chemical structure, C21H31BrO4, CAS 112927-19-2
2-Bromo-2-cycloundecenyl camphanate
CAS 112927-19-2C21H31BrO4
16beta-Bromo-3beta,17alpha-dihydroxy-5alpha-pregnane-11,20-dione chemical structure, C21H31BrO4, CAS 1780-98-9
16beta-Bromo-3beta,17alpha-dihydroxy-5alpha-pregnane-11,20-dione
CAS 1780-98-9C21H31BrO4
(3S,5S,8S,9S,10S,13S,14S,17R)-17-(2-Bromoacetyl)-3,17-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-11-one chemical structure, C21H31BrO4, CAS 20703-79-1
(3S,5S,8S,9S,10S,13S,14S,17R)-17-(2-Bromoacetyl)-3,17-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-11-one
CAS 20703-79-1C21H31BrO4

Frequently asked questions

What is the molar mass of C21H31BrO4?

The molar mass of C21H31BrO4 is 427.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 31 hydrogen atoms, 1 bromine atom and 4 oxygen atoms. The monoisotopic mass is 426.1406 Da.

How many compounds have the formula C21H31BrO4?

CompoundList lists 4 compounds with the molecular formula C21H31BrO4, including 5alpha-Bromo-3beta-acetoxy-6beta-hydroxyandrostan-17-one, 2-Bromo-2-cycloundecenyl camphanate, 16beta-Bromo-3beta,17alpha-dihydroxy-5alpha-pregnane-11,20-dione. 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 C21H31BrO4?

C21H31BrO4 has a degree of unsaturation of 6. 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.