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Molecular formula

C21H16N2O2S2

19 compounds have this formula on CompoundList.

Molar mass
392.49g/mol
Monoisotopic mass
392.0653Da
Atoms
43
Elements
5
Rings plus double bonds
15

The formula C21H16N2O2S2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 2 oxygen atoms and 2 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 × 2164.26%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.11%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 27.14%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 28.15%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 216.34%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H16N2O2S2

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

Showing 1 to 19 of 19 compounds

(3Z)-1-Allyl-3-(3-benzyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-1,3-dihydro-2H-indol-2-one chemical structure, C21H16N2O2S2, CAS 324565-26-6
(3Z)-1-Allyl-3-(3-benzyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-1,3-dihydro-2H-indol-2-one
CAS 324565-26-6C21H16N2O2S2
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-4-(methylthio)benzamide chemical structure, C21H16N2O2S2, CAS 896349-25-0
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-4-(methylthio)benzamide
CAS 896349-25-0C21H16N2O2S2
N-[5-(4-Methylbenzyl)-1,3-thiazol-2-yl]-1-oxo-1H-isothiochromene-3-carboxamide chemical structure, C21H16N2O2S2, CAS 950383-21-8
N-[5-(4-Methylbenzyl)-1,3-thiazol-2-yl]-1-oxo-1H-isothiochromene-3-carboxamide
CAS 950383-21-8C21H16N2O2S2
2-(4-(Indolin-1-ylsulfonyl)phenyl)benzo[d]thiazole chemical structure, C21H16N2O2S2, CAS 394227-19-1
2-(4-(Indolin-1-ylsulfonyl)phenyl)benzo[d]thiazole
CAS 394227-19-1C21H16N2O2S2
3-Allyl-5-(4-phenoxyphenyl)-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one chemical structure, C21H16N2O2S2, CAS 315693-80-2
3-Allyl-5-(4-phenoxyphenyl)-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one
CAS 315693-80-2C21H16N2O2S2
N-[2-(2-Naphthalen-2-yl-2-oxoethyl)sulfanyl-1,3-benzothiazol-6-yl]acetamide chemical structure, C21H16N2O2S2, CAS 500264-93-7
N-[2-(2-Naphthalen-2-yl-2-oxoethyl)sulfanyl-1,3-benzothiazol-6-yl]acetamide
CAS 500264-93-7C21H16N2O2S2
N-(3-Carbamoyl-5-methyl-4-phenylthiophen-2-yl)-1-benzothiophene-3-carboxamide chemical structure, C21H16N2O2S2, CAS 444907-59-9
N-(3-Carbamoyl-5-methyl-4-phenylthiophen-2-yl)-1-benzothiophene-3-carboxamide
CAS 444907-59-9C21H16N2O2S2
2-(1,3-Benzothiazol-2-ylsulfanyl)-N-(4-phenoxyphenyl)acetamide chemical structure, C21H16N2O2S2, CAS 444165-35-9
2-(1,3-Benzothiazol-2-ylsulfanyl)-N-(4-phenoxyphenyl)acetamide
CAS 444165-35-9C21H16N2O2S2
4-(2,3-Dihydro-1,4-benzodioxin-6-ylsulfanyl)-2-methyl-6-phenylthieno[2,3-d]pyrimidine chemical structure, C21H16N2O2S2, CAS 379245-15-5
4-(2,3-Dihydro-1,4-benzodioxin-6-ylsulfanyl)-2-methyl-6-phenylthieno[2,3-d]pyrimidine
CAS 379245-15-5C21H16N2O2S2
(5Z)-5-(1-Benzyl-2-oxoindol-3-ylidene)-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one chemical structure, C21H16N2O2S2, CAS 692769-58-7
(5Z)-5-(1-Benzyl-2-oxoindol-3-ylidene)-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one
CAS 692769-58-7C21H16N2O2S2
N-(4-(Thiazol-2-yloxy)benzyl)-4-(thiophen-3-yl)benzamide chemical structure, C21H16N2O2S2, CAS 2034318-43-7
N-(4-(Thiazol-2-yloxy)benzyl)-4-(thiophen-3-yl)benzamide
CAS 2034318-43-7C21H16N2O2S2
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-(phenylthio)acetamide chemical structure, C21H16N2O2S2, CAS 895481-62-6
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-(phenylthio)acetamide
CAS 895481-62-6C21H16N2O2S2
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-2-(phenylthio)acetamide chemical structure, C21H16N2O2S2, CAS 895481-93-3
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-2-(phenylthio)acetamide
CAS 895481-93-3C21H16N2O2S2
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-(methylthio)benzamide chemical structure, C21H16N2O2S2, CAS 896344-24-4
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-(methylthio)benzamide
CAS 896344-24-4C21H16N2O2S2
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-3-(methylthio)benzamide chemical structure, C21H16N2O2S2, CAS 896026-71-4
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-3-(methylthio)benzamide
CAS 896026-71-4C21H16N2O2S2
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-4-(methylthio)benzamide chemical structure, C21H16N2O2S2, CAS 896348-90-6
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-4-(methylthio)benzamide
CAS 896348-90-6C21H16N2O2S2
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-2-(methylthio)benzamide chemical structure, C21H16N2O2S2, CAS 896344-62-0
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-2-(methylthio)benzamide
CAS 896344-62-0C21H16N2O2S2
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-3-(methylthio)benzamide chemical structure, C21H16N2O2S2, CAS 946346-31-2
N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-3-(methylthio)benzamide
CAS 946346-31-2C21H16N2O2S2
3-(3,4-Dimethyl-phenyl)-5-[2-(1H-indol-3-yl)-2-oxo-ethylidene]-2-thioxo-thiazolidin-4-one chemical structure, C21H16N2O2S2, CAS 1380572-36-0
3-(3,4-Dimethyl-phenyl)-5-[2-(1H-indol-3-yl)-2-oxo-ethylidene]-2-thioxo-thiazolidin-4-one
CAS 1380572-36-0C21H16N2O2S2

Frequently asked questions

What is the molar mass of C21H16N2O2S2?

The molar mass of C21H16N2O2S2 is 392.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 392.0653 Da.

How many compounds have the formula C21H16N2O2S2?

CompoundList lists 19 compounds with the molecular formula C21H16N2O2S2, including (3Z)-1-Allyl-3-(3-benzyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-1,3-dihydro-2H-indol-2-one, N-(4-(Benzo[d]thiazol-2-yl)-3-hydroxyphenyl)-4-(methylthio)benzamide, N-[5-(4-Methylbenzyl)-1,3-thiazol-2-yl]-1-oxo-1H-isothiochromene-3-carboxamide. 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 C21H16N2O2S2?

C21H16N2O2S2 has a degree of unsaturation of 15. 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.