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Molecular formula

C128H205N45O39S2

3 compounds have this formula on CompoundList.

Molar mass
3062.44g/mol
Monoisotopic mass
3060.4883Da
Atoms
419
Elements
5
Rings plus double bonds
49

The formula C128H205N45O39S2 describes a molecule made of 128 carbon atoms, 205 hydrogen atoms, 45 nitrogen atoms, 39 oxygen atoms and 2 sulfur 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 × 12850.20%
    12.011 × 128 = 1537.408 g/mol
  • H Hydrogen × 2056.75%
    1.008 × 205 = 206.640 g/mol
  • N Nitrogen × 4520.58%
    14.007 × 45 = 630.315 g/mol
  • O Oxygen × 3920.37%
    15.999 × 39 = 623.961 g/mol
  • S Sulfur × 22.09%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C128H205N45O39S2

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

Showing 1 to 3 of 3 compounds

Cardiodilatin chemical structure, C128H205N45O39S2, CAS 92047-08-0
Cardiodilatin
CAS 92047-08-0C128H205N45O39S2
Atrial Natriuretic Peptide (ANP) (1-28), rat chemical structure, C128H205N45O39S2, CAS 88898-17-3
Atrial Natriuretic Peptide (ANP) (1-28), rat
CAS 88898-17-3C128H205N45O39S2
H-Ser-Leu-Arg-Arg-Ser-Ser-Cys(1)-Phe-Gly-Gly-Arg-xiIle-Asp-Arg-xiIle-Gly-Ala-Gln-Ser-Gly-Leu-Gly-Cys(1)-Asn-Ser-Phe-Arg-Tyr-OH chemical structure, C128H205N45O39S2
H-Ser-Leu-Arg-Arg-Ser-Ser-Cys(1)-Phe-Gly-Gly-Arg-xiIle-Asp-Arg-xiIle-Gly-Ala-Gln-Ser-Gly-Leu-Gly-Cys(1)-Asn-Ser-Phe-Arg-Tyr-OH
C128H205N45O39S2

Frequently asked questions

What is the molar mass of C128H205N45O39S2?

The molar mass of C128H205N45O39S2 is 3062.44 g/mol, calculated from standard atomic weights for 128 carbon atoms, 205 hydrogen atoms, 45 nitrogen atoms, 39 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 3060.4883 Da.

How many compounds have the formula C128H205N45O39S2?

CompoundList lists 3 compounds with the molecular formula C128H205N45O39S2, including Cardiodilatin, Atrial Natriuretic Peptide (ANP) (1-28), rat, H-Ser-Leu-Arg-Arg-Ser-Ser-Cys(1)-Phe-Gly-Gly-Arg-xiIle-Asp-Arg-xiIle-Gly-Ala-Gln-Ser-Gly-Leu-Gly-Cys(1)-Asn-Ser-Phe-Arg-Tyr-OH. 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 C128H205N45O39S2?

C128H205N45O39S2 has a degree of unsaturation of 49. 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.