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Molecular formula

C21H13NO6S

7 compounds have this formula on CompoundList.

Molar mass
407.40g/mol
Monoisotopic mass
407.0464Da
Atoms
42
Elements
5
Rings plus double bonds
16

The formula C21H13NO6S describes a molecule made of 21 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom, 6 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 × 2161.91%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 133.22%
    1.008 × 13 = 13.104 g/mol
  • N Nitrogen × 13.44%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 623.56%
    15.999 × 6 = 95.994 g/mol
  • S Sulfur × 17.87%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H13NO6S

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

Showing 1 to 7 of 7 compounds

Fluorescein isothiocyanate-dextran chemical structure, C21H13NO6S, CAS 60842-46-8
Fluorescein isothiocyanate-dextran
CAS 60842-46-8C21H13NO6S
2-Anthracenesulfonic acid, 9,10-dihydro-1-amino-4-benzoyl-9,10-dioxo- chemical structure, C21H13NO6S, CAS 65894-78-2
2-Anthracenesulfonic acid, 9,10-dihydro-1-amino-4-benzoyl-9,10-dioxo-
CAS 65894-78-2C21H13NO6S
2-{[(9,10-Dioxo-9,10-dihydro-2-anthracenyl)sulfonyl]amino}benzoic acid chemical structure, C21H13NO6S, CAS 791786-24-8
2-{[(9,10-Dioxo-9,10-dihydro-2-anthracenyl)sulfonyl]amino}benzoic acid
CAS 791786-24-8C21H13NO6S
(Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl 4-nitrobenzoate chemical structure, C21H13NO6S, CAS 622366-25-0
(Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl 4-nitrobenzoate
CAS 622366-25-0C21H13NO6S
(Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl 3-nitrobenzoate chemical structure, C21H13NO6S, CAS 622366-49-8
(Z)-2-((3-Methylthiophen-2-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl 3-nitrobenzoate
CAS 622366-49-8C21H13NO6S
10-(4-Carboxyphenyl)phenothiazine-3,7-dicarboxylic acid chemical structure, C21H13NO6S, CAS 2639785-07-0
10-(4-Carboxyphenyl)phenothiazine-3,7-dicarboxylic acid
CAS 2639785-07-0C21H13NO6S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-(2,3-dihydro-1,4-benzodioxin-6-yl)thiophene-2-carboxylate chemical structure, C21H13NO6S, CAS 2248380-76-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-(2,3-dihydro-1,4-benzodioxin-6-yl)thiophene-2-carboxylate
CAS 2248380-76-7C21H13NO6S

Frequently asked questions

What is the molar mass of C21H13NO6S?

The molar mass of C21H13NO6S is 407.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom, 6 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 407.0464 Da.

How many compounds have the formula C21H13NO6S?

CompoundList lists 7 compounds with the molecular formula C21H13NO6S, including Fluorescein isothiocyanate-dextran, 2-Anthracenesulfonic acid, 9,10-dihydro-1-amino-4-benzoyl-9,10-dioxo-, 2-{[(9,10-Dioxo-9,10-dihydro-2-anthracenyl)sulfonyl]amino}benzoic 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 C21H13NO6S?

C21H13NO6S has a degree of unsaturation of 16. 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.