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Molecular formula

C26H21Cl4NO9S

2 compounds have this formula on CompoundList.

Molar mass
665.31g/mol
Monoisotopic mass
662.9691Da
Atoms
62
Elements
6
Rings plus double bonds
15

The formula C26H21Cl4NO9S describes a molecule made of 26 carbon atoms, 21 hydrogen atoms, 4 chlorine atoms, 1 nitrogen atom, 9 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 × 2646.94%
    12.011 × 26 = 312.286 g/mol
  • H Hydrogen × 213.18%
    1.008 × 21 = 21.168 g/mol
  • Cl Chlorine × 421.31%
    35.45 × 4 = 141.800 g/mol
  • N Nitrogen × 12.11%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 921.64%
    15.999 × 9 = 143.991 g/mol
  • S Sulfur × 14.82%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C26H21Cl4NO9S

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

Showing 1 to 2 of 2 compounds

Keropur chemical structure, C26H21Cl4NO9S, CAS 37341-07-4
Keropur
CAS 37341-07-4C26H21Cl4NO9S
[(2S,3R,4S,5S,6R)-3,4-Diacetyloxy-6-phenylsulfanyl-5-(4,5,6,7-tetrachloro-1,3-dioxoisoindol-2-yl)oxan-2-yl]methyl acetate chemical structure, C26H21Cl4NO9S, CAS 217814-68-1
[(2S,3R,4S,5S,6R)-3,4-Diacetyloxy-6-phenylsulfanyl-5-(4,5,6,7-tetrachloro-1,3-dioxoisoindol-2-yl)oxan-2-yl]methyl acetate
CAS 217814-68-1C26H21Cl4NO9S

Frequently asked questions

What is the molar mass of C26H21Cl4NO9S?

The molar mass of C26H21Cl4NO9S is 665.31 g/mol, calculated from standard atomic weights for 26 carbon atoms, 21 hydrogen atoms, 4 chlorine atoms, 1 nitrogen atom, 9 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 662.9691 Da.

How many compounds have the formula C26H21Cl4NO9S?

CompoundList lists 2 compounds with the molecular formula C26H21Cl4NO9S, including Keropur, [(2S,3R,4S,5S,6R)-3,4-Diacetyloxy-6-phenylsulfanyl-5-(4,5,6,7-tetrachloro-1,3-dioxoisoindol-2-yl)oxan-2-yl]methyl acetate. 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 C26H21Cl4NO9S?

C26H21Cl4NO9S 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.