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Molecular formula

C21H20N2O3S

204 compounds have this formula on CompoundList.

Molar mass
380.46g/mol
Monoisotopic mass
380.1195Da
Atoms
47
Elements
5
Rings plus double bonds
13

The formula C21H20N2O3S describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 3 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 × 2166.30%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.30%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 27.36%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 312.62%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.43%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H20N2O3S

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

Showing 201 to 204 of 204 compounds

(9H-Fluoren-9-yl)methyl N-[5-(2-hydroxypropan-2-yl)-1,3-thiazol-2-yl]carbamate chemical structure, C21H20N2O3S, CAS 2764013-32-1
(9H-Fluoren-9-yl)methyl N-[5-(2-hydroxypropan-2-yl)-1,3-thiazol-2-yl]carbamate
CAS 2764013-32-1C21H20N2O3S
(9H-Fluoren-9-yl)methyl N-[1-hydroxy-3-(1,3-thiazol-2-yl)propan-2-yl]carbamate chemical structure, C21H20N2O3S, CAS 2763965-76-8
(9H-Fluoren-9-yl)methyl N-[1-hydroxy-3-(1,3-thiazol-2-yl)propan-2-yl]carbamate
CAS 2763965-76-8C21H20N2O3S
(9H-Fluoren-9-yl)methyl N-[(1R)-3-hydroxy-1-(1,3-thiazol-2-yl)propyl]carbamate chemical structure, C21H20N2O3S, CAS 2770451-80-2
(9H-Fluoren-9-yl)methyl N-[(1R)-3-hydroxy-1-(1,3-thiazol-2-yl)propyl]carbamate
CAS 2770451-80-2C21H20N2O3S
5-((4-([1,1'-Biphenyl]-4-yl)-6-oxo-1,6-dihydropyrimidin-2-yl)thio)pentanoic acid chemical structure, C21H20N2O3S, CAS 1023694-81-6
5-((4-([1,1'-Biphenyl]-4-yl)-6-oxo-1,6-dihydropyrimidin-2-yl)thio)pentanoic acid
CAS 1023694-81-6C21H20N2O3S

Frequently asked questions

What is the molar mass of C21H20N2O3S?

The molar mass of C21H20N2O3S is 380.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 380.1195 Da.

How many compounds have the formula C21H20N2O3S?

CompoundList lists 204 compounds with the molecular formula C21H20N2O3S, including (9H-Fluoren-9-yl)methyl N-[5-(2-hydroxypropan-2-yl)-1,3-thiazol-2-yl]carbamate, (9H-Fluoren-9-yl)methyl N-[1-hydroxy-3-(1,3-thiazol-2-yl)propan-2-yl]carbamate, (9H-Fluoren-9-yl)methyl N-[(1R)-3-hydroxy-1-(1,3-thiazol-2-yl)propyl]carbamate. 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 C21H20N2O3S?

C21H20N2O3S 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.