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Molecular formula

C21H23NO3S

103 compounds have this formula on CompoundList.

Molar mass
369.48g/mol
Monoisotopic mass
369.1399Da
Atoms
49
Elements
5
Rings plus double bonds
11

The formula C21H23NO3S describes a molecule made of 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom, 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 × 2168.27%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 236.27%
    1.008 × 23 = 23.184 g/mol
  • N Nitrogen × 13.79%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 312.99%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.68%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H23NO3S

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

Showing 101 to 103 of 103 compounds

(9H-Fluoren-9-yl)methyl 3-(methanesulfinylmethyl)-3-methylazetidine-1-carboxylate chemical structure, C21H23NO3S, CAS 2913416-80-3
(9H-Fluoren-9-yl)methyl 3-(methanesulfinylmethyl)-3-methylazetidine-1-carboxylate
CAS 2913416-80-3C21H23NO3S
2-(4-Ethylphenyl)-4-[(3,4,5-trimethoxyphenyl)methyl]thiazole chemical structure, C21H23NO3S, CAS 1202517-63-2
2-(4-Ethylphenyl)-4-[(3,4,5-trimethoxyphenyl)methyl]thiazole
CAS 1202517-63-2C21H23NO3S
N-(3,5-Dimethylphenyl)-4-propoxynaphthalene-1-sulfonamide chemical structure, C21H23NO3S, CAS 3054563-30-0
N-(3,5-Dimethylphenyl)-4-propoxynaphthalene-1-sulfonamide
CAS 3054563-30-0C21H23NO3S

Frequently asked questions

What is the molar mass of C21H23NO3S?

The molar mass of C21H23NO3S is 369.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 369.1399 Da.

How many compounds have the formula C21H23NO3S?

CompoundList lists 103 compounds with the molecular formula C21H23NO3S, including (9H-Fluoren-9-yl)methyl 3-(methanesulfinylmethyl)-3-methylazetidine-1-carboxylate, 2-(4-Ethylphenyl)-4-[(3,4,5-trimethoxyphenyl)methyl]thiazole, N-(3,5-Dimethylphenyl)-4-propoxynaphthalene-1-sulfonamide. 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 C21H23NO3S?

C21H23NO3S has a degree of unsaturation of 11. 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.