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Molecular formula

C21H16N2O3S2

48 compounds have this formula on CompoundList.

Molar mass
408.49g/mol
Monoisotopic mass
408.0602Da
Atoms
44
Elements
5
Rings plus double bonds
15

The formula C21H16N2O3S2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 3 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 × 2161.75%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.95%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 26.86%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 311.75%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 215.70%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H16N2O3S2

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

Showing 1 to 48 of 48 compounds

6-(4-Methylphenyl)-8-phenyl-3,4a,7a,8-tetrahydropyrrolo[3',4':5,6]thiopyrano[2,3-d][1,3]thiazole-2,5,7(6H)-trione chemical structure, C21H16N2O3S2, CAS 1005106-26-2
6-(4-Methylphenyl)-8-phenyl-3,4a,7a,8-tetrahydropyrrolo[3',4':5,6]thiopyrano[2,3-d][1,3]thiazole-2,5,7(6H)-trione
CAS 1005106-26-2C21H16N2O3S2
(Z)-5-Phenyl-2-(phenylimino)-3-(phenylsulfonyl)thiazolidin-4-one chemical structure, C21H16N2O3S2, CAS 1164483-37-7
(Z)-5-Phenyl-2-(phenylimino)-3-(phenylsulfonyl)thiazolidin-4-one
CAS 1164483-37-7C21H16N2O3S2
Cambridge id 7169832 chemical structure, C21H16N2O3S2, CAS 379251-43-1
Cambridge id 7169832
CAS 379251-43-1C21H16N2O3S2
3-Allyl-5-(2-furyl)-2-[(2-oxo-2-phenylethyl)sulfanyl]thieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C21H16N2O3S2, CAS 671200-60-5
3-Allyl-5-(2-furyl)-2-[(2-oxo-2-phenylethyl)sulfanyl]thieno[2,3-d]pyrimidin-4(3H)-one
CAS 671200-60-5C21H16N2O3S2
N-(6-Methylsulfonyl-1,3-benzothiazol-2-yl)-4-phenylbenzamide chemical structure, C21H16N2O3S2, CAS 349621-87-0
N-(6-Methylsulfonyl-1,3-benzothiazol-2-yl)-4-phenylbenzamide
CAS 349621-87-0C21H16N2O3S2
Ethyl 4-(5-(benzo[d]thiazol-2-yl)thiophene-2-carboxamido)benzoate chemical structure, C21H16N2O3S2, CAS 622344-74-5
Ethyl 4-(5-(benzo[d]thiazol-2-yl)thiophene-2-carboxamido)benzoate
CAS 622344-74-5C21H16N2O3S2
2-(Benzenesulfonyl)-N-[2-(1,3-benzothiazol-2-yl)phenyl]acetamide chemical structure, C21H16N2O3S2, CAS 898405-95-3
2-(Benzenesulfonyl)-N-[2-(1,3-benzothiazol-2-yl)phenyl]acetamide
CAS 898405-95-3C21H16N2O3S2
N-(4-(Phenylsulfonyl)benzyl)thieno[2,3-c]pyridine-2-carboxamide chemical structure, C21H16N2O3S2, CAS 1362139-42-1
N-(4-(Phenylsulfonyl)benzyl)thieno[2,3-c]pyridine-2-carboxamide
CAS 1362139-42-1C21H16N2O3S2
N-(4-(Phenylsulfonyl)benzyl)thieno[3,2-b]pyridine-2-carboxamide chemical structure, C21H16N2O3S2, CAS 1362159-64-5
N-(4-(Phenylsulfonyl)benzyl)thieno[3,2-b]pyridine-2-carboxamide
CAS 1362159-64-5C21H16N2O3S2
4-{[1-(Naphthalen-2-ylsulfonyl)-1H-benzimidazol-2-yl]sulfanyl}but-2-yn-1-ol chemical structure, C21H16N2O3S2, CAS 727386-35-8
4-{[1-(Naphthalen-2-ylsulfonyl)-1H-benzimidazol-2-yl]sulfanyl}but-2-yn-1-ol
CAS 727386-35-8C21H16N2O3S2
3-[(5E)-5-(Furan-2-ylmethylidene)-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-N-naphthalen-1-ylpropanamide chemical structure, C21H16N2O3S2, CAS 682783-72-8
3-[(5E)-5-(Furan-2-ylmethylidene)-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-N-naphthalen-1-ylpropanamide
CAS 682783-72-8C21H16N2O3S2
(E)-3-(5-(Furan-2-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(naphthalen-2-yl)propanamide chemical structure, C21H16N2O3S2, CAS 682783-73-9
(E)-3-(5-(Furan-2-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(naphthalen-2-yl)propanamide
CAS 682783-73-9C21H16N2O3S2
Methyl 3-[[2-(5-methylthiophen-2-yl)quinoline-4-carbonyl]amino]thiophene-2-carboxylate chemical structure, C21H16N2O3S2, CAS 353468-83-4
Methyl 3-[[2-(5-methylthiophen-2-yl)quinoline-4-carbonyl]amino]thiophene-2-carboxylate
CAS 353468-83-4C21H16N2O3S2
(E)-Ethyl 2-(2-cyano-3-(thiophen-2-yl)acrylamido)-4-phenylthiophene-3-carboxylate chemical structure, C21H16N2O3S2, CAS 327075-57-0
(E)-Ethyl 2-(2-cyano-3-(thiophen-2-yl)acrylamido)-4-phenylthiophene-3-carboxylate
CAS 327075-57-0C21H16N2O3S2
N-(4-(2-Oxo-2H-chromen-3-yl)thiazol-2-yl)-3-(phenylthio)propanamide chemical structure, C21H16N2O3S2, CAS 441289-64-1
N-(4-(2-Oxo-2H-chromen-3-yl)thiazol-2-yl)-3-(phenylthio)propanamide
CAS 441289-64-1C21H16N2O3S2
(Z)-3-(5-Benzylidene-4-oxo-2-thioxothiazolidin-3-yl)-1-(p-tolyl)pyrrolidine-2,5-dione chemical structure, C21H16N2O3S2, CAS 536727-78-3
(Z)-3-(5-Benzylidene-4-oxo-2-thioxothiazolidin-3-yl)-1-(p-tolyl)pyrrolidine-2,5-dione
CAS 536727-78-3C21H16N2O3S2
2-((4-Oxo-3-phenyl-5-(p-tolyl)-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid chemical structure, C21H16N2O3S2, CAS 374602-13-8
2-((4-Oxo-3-phenyl-5-(p-tolyl)-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetic acid
CAS 374602-13-8C21H16N2O3S2
2-({3-Benzyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetic acid chemical structure, C21H16N2O3S2, CAS 750607-14-8
2-({3-Benzyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetic acid
CAS 750607-14-8C21H16N2O3S2
Ethyl 2-(5-(benzo[d]thiazol-2-yl)thiophene-2-carboxamido)benzoate chemical structure, C21H16N2O3S2, CAS 867041-57-4
Ethyl 2-(5-(benzo[d]thiazol-2-yl)thiophene-2-carboxamido)benzoate
CAS 867041-57-4C21H16N2O3S2
N-(4-(Naphthalen-2-yl)thiazol-2-yl)-2-(phenylsulfonyl)acetamide chemical structure, C21H16N2O3S2, CAS 895456-74-3
N-(4-(Naphthalen-2-yl)thiazol-2-yl)-2-(phenylsulfonyl)acetamide
CAS 895456-74-3C21H16N2O3S2
2-Methylsulfonyl-N-(4-naphthalen-1-yl-1,3-thiazol-2-yl)benzamide chemical structure, C21H16N2O3S2, CAS 896363-01-2
2-Methylsulfonyl-N-(4-naphthalen-1-yl-1,3-thiazol-2-yl)benzamide
CAS 896363-01-2C21H16N2O3S2
2-(Methylsulfonyl)-N-(4-(naphthalen-2-yl)thiazol-2-yl)benzamide chemical structure, C21H16N2O3S2, CAS 896363-05-6
2-(Methylsulfonyl)-N-(4-(naphthalen-2-yl)thiazol-2-yl)benzamide
CAS 896363-05-6C21H16N2O3S2
9-(3-Methoxyphenyl)-7,7-dimethyl-10-thioxo-9,10-dihydro-7H-pyrrolo[3,2,1-ij][1,2]thiazolo[5,4-c]quinoline-4,5-dione chemical structure, C21H16N2O3S2, CAS 524056-18-6
9-(3-Methoxyphenyl)-7,7-dimethyl-10-thioxo-9,10-dihydro-7H-pyrrolo[3,2,1-ij][1,2]thiazolo[5,4-c]quinoline-4,5-dione
CAS 524056-18-6C21H16N2O3S2
(2-Oxo-2-phenothiazin-10-ylethyl) 2-methylsulfanylpyridine-3-carboxylate chemical structure, C21H16N2O3S2, CAS 491624-18-1
(2-Oxo-2-phenothiazin-10-ylethyl) 2-methylsulfanylpyridine-3-carboxylate
CAS 491624-18-1C21H16N2O3S2

Frequently asked questions

What is the molar mass of C21H16N2O3S2?

The molar mass of C21H16N2O3S2 is 408.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 408.0602 Da.

How many compounds have the formula C21H16N2O3S2?

CompoundList lists 48 compounds with the molecular formula C21H16N2O3S2, including 6-(4-Methylphenyl)-8-phenyl-3,4a,7a,8-tetrahydropyrrolo[3',4':5,6]thiopyrano[2,3-d][1,3]thiazole-2,5,7(6H)-trione, (Z)-5-Phenyl-2-(phenylimino)-3-(phenylsulfonyl)thiazolidin-4-one, Cambridge id 7169832. 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 C21H16N2O3S2?

C21H16N2O3S2 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.