CompoundList
Molecular formula

C4H9NO2S

93 compounds have this formula on CompoundList.

Molar mass
135.18g/mol
Monoisotopic mass
143.0856Da
Atoms
17
Elements
5
Rings plus double bonds
1

The formula C4H9NO2S describes a molecule made of 4 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 2 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 × 435.54%
    12.011 × 4 = 48.044 g/mol
  • H Hydrogen × 96.71%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 110.36%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 223.67%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 123.72%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C4H9NO2S

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

Showing 1 to 93 of 93 compounds

Frequently asked questions

What is the molar mass of C4H9NO2S?

The molar mass of C4H9NO2S is 135.18 g/mol, calculated from standard atomic weights for 4 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 143.0856 Da.

How many compounds have the formula C4H9NO2S?

CompoundList lists 93 compounds with the molecular formula C4H9NO2S, including L-Homocysteine, (±)-Homocysteine, (-)-S-Methyl-L-cysteine. 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 C4H9NO2S?

C4H9NO2S has a degree of unsaturation of 1. 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.