C21H18O15S
1 compound has this formula on CompoundList.
- Molar mass
- 542.42g/mol
- Monoisotopic mass
- 542.0366Da
- Atoms
- 55
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H18O15S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 15 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 × 2146.50%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 183.35%1.008 × 18 = 18.144 g/mol
- O Oxygen × 1544.24%15.999 × 15 = 239.985 g/mol
- S Sulfur × 15.91%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H18O15S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 1 of 1 compounds
Frequently asked questions
What is the molar mass of C21H18O15S?
The molar mass of C21H18O15S is 542.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 15 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 542.0366 Da.
How many compounds have the formula C21H18O15S?
CompoundList lists 1 compound with the molecular formula C21H18O15S, including Theograndin I. 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 C21H18O15S?
C21H18O15S has a degree of unsaturation of 13. 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.