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Molecular formula

C21H17N3O3S2

43 compounds have this formula on CompoundList.

Molar mass
423.51g/mol
Monoisotopic mass
423.0711Da
Atoms
46
Elements
5
Rings plus double bonds
15

The formula C21H17N3O3S2 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 3 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 × 2159.56%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.05%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 39.92%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 311.33%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 215.14%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H17N3O3S2

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

Showing 1 to 43 of 43 compounds

2-[(3Z)-3-(3-Methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]-N-(2-methylphenyl)acetamide chemical structure, C21H17N3O3S2, CAS 618072-75-6
2-[(3Z)-3-(3-Methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]-N-(2-methylphenyl)acetamide
CAS 618072-75-6C21H17N3O3S2
N-(Benzo[d]thiazol-2-yl)-2-(phenylsulfonyl)-N-(pyridin-2-ylmethyl)acetamide chemical structure, C21H17N3O3S2, CAS 898351-17-2
N-(Benzo[d]thiazol-2-yl)-2-(phenylsulfonyl)-N-(pyridin-2-ylmethyl)acetamide
CAS 898351-17-2C21H17N3O3S2
3-Benzenesulfonamido-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide chemical structure, C21H17N3O3S2, CAS 898440-74-9
3-Benzenesulfonamido-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide
CAS 898440-74-9C21H17N3O3S2
Methyl 4-(((4,5-dihydronaphtho[1,2-d]thiazol-2-yl)carbamothioyl)carbamoyl)benzoate chemical structure, C21H17N3O3S2, CAS 477506-28-8
Methyl 4-(((4,5-dihydronaphtho[1,2-d]thiazol-2-yl)carbamothioyl)carbamoyl)benzoate
CAS 477506-28-8C21H17N3O3S2
4-Acetyl-N-(2-methyl-5-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide chemical structure, C21H17N3O3S2, CAS 896679-72-4
4-Acetyl-N-(2-methyl-5-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide
CAS 896679-72-4C21H17N3O3S2
1-(2H-1,3-Benzodioxol-5-yl)-2-{[5-(3,4-dimethylphenyl)-[1,2,4]triazolo[3,4-b][1,3]thiazol-3-yl]sulfanyl}ethan-1-one chemical structure, C21H17N3O3S2, CAS 690645-48-8
1-(2H-1,3-Benzodioxol-5-yl)-2-{[5-(3,4-dimethylphenyl)-[1,2,4]triazolo[3,4-b][1,3]thiazol-3-yl]sulfanyl}ethan-1-one
CAS 690645-48-8C21H17N3O3S2
N-(Benzo[d]thiazol-2-yl)-3-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H17N3O3S2, CAS 886933-66-0
N-(Benzo[d]thiazol-2-yl)-3-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide
CAS 886933-66-0C21H17N3O3S2
N-(Benzo[d]thiazol-6-yl)-4-(N-methyl-N-phenylsulfamoyl)benzamide chemical structure, C21H17N3O3S2, CAS 941966-18-3
N-(Benzo[d]thiazol-6-yl)-4-(N-methyl-N-phenylsulfamoyl)benzamide
CAS 941966-18-3C21H17N3O3S2
(5Z)-5-{[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one chemical structure, C21H17N3O3S2, CAS 882218-76-0
(5Z)-5-{[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one
CAS 882218-76-0C21H17N3O3S2
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((5-(p-tolyl)thiazolo[2,3-c][1,2,4]triazol-3-yl)thio)ethanone chemical structure, C21H17N3O3S2, CAS 727689-50-1
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((5-(p-tolyl)thiazolo[2,3-c][1,2,4]triazol-3-yl)thio)ethanone
CAS 727689-50-1C21H17N3O3S2
(E)-N-((Z)-3-Ethyl-4-oxo-5-(quinolin-2-ylmethylene)thiazolidin-2-ylidene)benzenesulfonamide chemical structure, C21H17N3O3S2, CAS 867041-82-5
(E)-N-((Z)-3-Ethyl-4-oxo-5-(quinolin-2-ylmethylene)thiazolidin-2-ylidene)benzenesulfonamide
CAS 867041-82-5C21H17N3O3S2
N-(6-Acetyl-3-(benzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)furan-2-carboxamide chemical structure, C21H17N3O3S2, CAS 864859-52-9
N-(6-Acetyl-3-(benzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)furan-2-carboxamide
CAS 864859-52-9C21H17N3O3S2
N-(1,3-Benzothiazol-2-yl)-2-[(4-methylphenyl)sulfonylamino]benzamide chemical structure, C21H17N3O3S2, CAS 361469-58-1
N-(1,3-Benzothiazol-2-yl)-2-[(4-methylphenyl)sulfonylamino]benzamide
CAS 361469-58-1C21H17N3O3S2
3-(2-Benzothiazol-2-ylthio-5-nitrophenyl)-2-(2,2-dimethylpropanoyl)prop-2-enenitrile chemical structure, C21H17N3O3S2, CAS 1025575-51-2
3-(2-Benzothiazol-2-ylthio-5-nitrophenyl)-2-(2,2-dimethylpropanoyl)prop-2-enenitrile
CAS 1025575-51-2C21H17N3O3S2
(3-((4-Methoxybenzo[d]thiazol-2-yl)oxy)azetidin-1-yl)(2-phenylthiazol-4-yl)methanone chemical structure, C21H17N3O3S2, CAS 1421480-94-5
(3-((4-Methoxybenzo[d]thiazol-2-yl)oxy)azetidin-1-yl)(2-phenylthiazol-4-yl)methanone
CAS 1421480-94-5C21H17N3O3S2
N-[(5Z)-5-(1-Ethyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-2-methylbenzamide chemical structure, C21H17N3O3S2, CAS 301691-84-9
N-[(5Z)-5-(1-Ethyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-2-methylbenzamide
CAS 301691-84-9C21H17N3O3S2
(5Z)-3-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-5-[(4-hydroxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one chemical structure, C21H17N3O3S2, CAS 190653-56-6
(5Z)-3-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-5-[(4-hydroxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
CAS 190653-56-6C21H17N3O3S2
N-(3-Cyanothiophen-2-yl)-4-((3,4-dihydroquinolin-1(2H)-yl)sulfonyl)benzamide chemical structure, C21H17N3O3S2, CAS 865545-89-7
N-(3-Cyanothiophen-2-yl)-4-((3,4-dihydroquinolin-1(2H)-yl)sulfonyl)benzamide
CAS 865545-89-7C21H17N3O3S2
4-Benzyl-N-(6-sulfamoylbenzo[d]thiazol-2-yl)benzamide chemical structure, C21H17N3O3S2, CAS 329906-26-5
4-Benzyl-N-(6-sulfamoylbenzo[d]thiazol-2-yl)benzamide
CAS 329906-26-5C21H17N3O3S2
4-Acetyl-N-(2-methyl-4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide chemical structure, C21H17N3O3S2, CAS 896679-29-1
4-Acetyl-N-(2-methyl-4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide
CAS 896679-29-1C21H17N3O3S2
4-Acetyl-N-(2-methyl-3-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide chemical structure, C21H17N3O3S2, CAS 896679-47-3
4-Acetyl-N-(2-methyl-3-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzenesulfonamide
CAS 896679-47-3C21H17N3O3S2
N-(3-Cyanothiophen-2-yl)-4-((3,4-dihydroisoquinolin-2(1H)-yl)sulfonyl)benzamide chemical structure, C21H17N3O3S2, CAS 941937-90-2
N-(3-Cyanothiophen-2-yl)-4-((3,4-dihydroisoquinolin-2(1H)-yl)sulfonyl)benzamide
CAS 941937-90-2C21H17N3O3S2
N-[[2-(4-Ethoxyphenyl)-1,3-benzoxazol-5-yl]carbamothioyl]thiophene-2-carboxamide chemical structure, C21H17N3O3S2, CAS 428505-29-7
N-[[2-(4-Ethoxyphenyl)-1,3-benzoxazol-5-yl]carbamothioyl]thiophene-2-carboxamide
CAS 428505-29-7C21H17N3O3S2
3-Isopropyl-5-[(Z)-1-(4-oxo-2-phenoxy-4H-pyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-thioxo-1,3-thiazolan-4-one chemical structure, C21H17N3O3S2, CAS 796880-62-1
3-Isopropyl-5-[(Z)-1-(4-oxo-2-phenoxy-4H-pyrido[1,2-a]pyrimidin-3-yl)methylidene]-2-thioxo-1,3-thiazolan-4-one
CAS 796880-62-1C21H17N3O3S2

Frequently asked questions

What is the molar mass of C21H17N3O3S2?

The molar mass of C21H17N3O3S2 is 423.51 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 423.0711 Da.

How many compounds have the formula C21H17N3O3S2?

CompoundList lists 43 compounds with the molecular formula C21H17N3O3S2, including 2-[(3Z)-3-(3-Methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]-N-(2-methylphenyl)acetamide, N-(Benzo[d]thiazol-2-yl)-2-(phenylsulfonyl)-N-(pyridin-2-ylmethyl)acetamide, 3-Benzenesulfonamido-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide. 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 C21H17N3O3S2?

C21H17N3O3S2 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.