CompoundList
Molecular formula

C78H121N21O20

3 compounds have this formula on CompoundList.

Molar mass
1672.95g/mol
Monoisotopic mass
1671.9097Da
Atoms
240
Elements
4
Rings plus double bonds
29

The formula C78H121N21O20 describes a molecule made of 78 carbon atoms, 121 hydrogen atoms, 21 nitrogen atoms and 20 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 × 7856.00%
    12.011 × 78 = 936.858 g/mol
  • H Hydrogen × 1217.29%
    1.008 × 121 = 121.968 g/mol
  • N Nitrogen × 2117.58%
    14.007 × 21 = 294.147 g/mol
  • O Oxygen × 2019.13%
    15.999 × 20 = 319.980 g/mol
Look up another formula

Compounds with the formula C78H121N21O20

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

Showing 1 to 3 of 3 compounds

Frequently asked questions

What is the molar mass of C78H121N21O20?

The molar mass of C78H121N21O20 is 1672.95 g/mol, calculated from standard atomic weights for 78 carbon atoms, 121 hydrogen atoms, 21 nitrogen atoms and 20 oxygen atoms. The monoisotopic mass is 1671.9097 Da.

How many compounds have the formula C78H121N21O20?

CompoundList lists 3 compounds with the molecular formula C78H121N21O20, including Neurotensin, (D-Tyr11)-neurotensin, Neurotensin, arg(9)-. 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 C78H121N21O20?

C78H121N21O20 has a degree of unsaturation of 29. 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.