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Molecular formula

C21H18N2O4S3

6 compounds have this formula on CompoundList.

Molar mass
458.56g/mol
Monoisotopic mass
458.0429Da
Atoms
48
Elements
5
Rings plus double bonds
14

The formula C21H18N2O4S3 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 4 oxygen atoms and 3 sulfur 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 × 2155.00%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 183.96%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 26.11%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 413.96%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 320.97%
    32.06 × 3 = 96.180 g/mol
Look up another formula

Compounds with the formula C21H18N2O4S3

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

Showing 1 to 6 of 6 compounds

Dibenzyl (4-nitrophenyl)sulfonyldithioimidocarbonate chemical structure, C21H18N2O4S3, CAS 292644-14-5
Dibenzyl (4-nitrophenyl)sulfonyldithioimidocarbonate
CAS 292644-14-5C21H18N2O4S3
(8-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(4-nitrophenyl)methanone chemical structure, C21H18N2O4S3, CAS 301655-54-9
(8-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(4-nitrophenyl)methanone
CAS 301655-54-9C21H18N2O4S3
(8-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(3-nitrophenyl)methanone chemical structure, C21H18N2O4S3, CAS 301655-56-1
(8-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(3-nitrophenyl)methanone
CAS 301655-56-1C21H18N2O4S3
(6-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(4-nitrophenyl)methanone chemical structure, C21H18N2O4S3, CAS 327168-95-6
(6-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(4-nitrophenyl)methanone
CAS 327168-95-6C21H18N2O4S3
(6-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(3-nitrophenyl)methanone chemical structure, C21H18N2O4S3, CAS 330180-62-6
(6-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(3-nitrophenyl)methanone
CAS 330180-62-6C21H18N2O4S3
N-(3-Morpholin-4-ylsulfonylphenyl)thieno[3,2-b][1]benzothiole-2-carboxamide chemical structure, C21H18N2O4S3, CAS 380557-24-4
N-(3-Morpholin-4-ylsulfonylphenyl)thieno[3,2-b][1]benzothiole-2-carboxamide
CAS 380557-24-4C21H18N2O4S3

Frequently asked questions

What is the molar mass of C21H18N2O4S3?

The molar mass of C21H18N2O4S3 is 458.56 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 4 oxygen atoms and 3 sulfur atoms. The monoisotopic mass is 458.0429 Da.

How many compounds have the formula C21H18N2O4S3?

CompoundList lists 6 compounds with the molecular formula C21H18N2O4S3, including Dibenzyl (4-nitrophenyl)sulfonyldithioimidocarbonate, (8-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(4-nitrophenyl)methanone, (8-Ethoxy-4,4-dimethyl-1-sulfanylidenedithiolo[3,4-c]quinolin-5-yl)-(3-nitrophenyl)methanone. 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 C21H18N2O4S3?

C21H18N2O4S3 has a degree of unsaturation of 14. 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.