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Molecular formula

C7H9IO3

5 compounds have this formula on CompoundList.

Molar mass
268.05g/mol
Monoisotopic mass
267.9596Da
Atoms
20
Elements
4
Rings plus double bonds
3

The formula C7H9IO3 describes a molecule made of 7 carbon atoms, 9 hydrogen atoms, 1 iodine atom 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 × 731.37%
    12.011 × 7 = 84.077 g/mol
  • H Hydrogen × 93.38%
    1.008 × 9 = 9.072 g/mol
  • I Iodine × 147.34%
    126.9 × 1 = 126.900 g/mol
  • O Oxygen × 317.91%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C7H9IO3

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

Showing 1 to 5 of 5 compounds

4H-1,3-Dioxin-4-one, 5-iodo-2,2,6-trimethyl- chemical structure, C7H9IO3, CAS 142779-83-7
4H-1,3-Dioxin-4-one, 5-iodo-2,2,6-trimethyl-
CAS 142779-83-7C7H9IO3
4-Iodo-2-methoxy-6-methyl-2H-pyran-5-one chemical structure, C7H9IO3, CAS 55533-63-6
4-Iodo-2-methoxy-6-methyl-2H-pyran-5-one
CAS 55533-63-6C7H9IO3
1-(Iodomethyl)-2-oxabicyclo[2.1.1]hexane-4-carboxylic acid chemical structure, C7H9IO3, CAS 2168145-64-8
1-(Iodomethyl)-2-oxabicyclo[2.1.1]hexane-4-carboxylic acid
CAS 2168145-64-8C7H9IO3
5-(Iodomethyl)-2,6-dioxaspiro[3.4]octan-7-one chemical structure, C7H9IO3, CAS 2138296-07-6
5-(Iodomethyl)-2,6-dioxaspiro[3.4]octan-7-one
CAS 2138296-07-6C7H9IO3
(3aS,7S,7aS)-7-Iodo-3,3a,4,6,7,7a-hexahydrofuro[3,2-c]pyran-2-one chemical structure, C7H9IO3, CAS 87614-56-0
(3aS,7S,7aS)-7-Iodo-3,3a,4,6,7,7a-hexahydrofuro[3,2-c]pyran-2-one
CAS 87614-56-0C7H9IO3

Frequently asked questions

What is the molar mass of C7H9IO3?

The molar mass of C7H9IO3 is 268.05 g/mol, calculated from standard atomic weights for 7 carbon atoms, 9 hydrogen atoms, 1 iodine atom and 3 oxygen atoms. The monoisotopic mass is 267.9596 Da.

How many compounds have the formula C7H9IO3?

CompoundList lists 5 compounds with the molecular formula C7H9IO3, including 4H-1,3-Dioxin-4-one, 5-iodo-2,2,6-trimethyl-, 4-Iodo-2-methoxy-6-methyl-2H-pyran-5-one, 1-(Iodomethyl)-2-oxabicyclo[2.1.1]hexane-4-carboxylic acid. 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 C7H9IO3?

C7H9IO3 has a degree of unsaturation of 3. 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.