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Molecular formula

C21H19N5O4S2

18 compounds have this formula on CompoundList.

Molar mass
469.53g/mol
Monoisotopic mass
469.0878Da
Atoms
51
Elements
5
Rings plus double bonds
15

The formula C21H19N5O4S2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 4 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 × 2153.72%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.08%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 514.92%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 413.63%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 213.66%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H19N5O4S2

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

Showing 1 to 18 of 18 compounds

(E)-N-[[4-[(6-Methoxypyridazin-3-yl)sulfamoyl]phenyl]carbamothioyl]-3-phenylprop-2-enamide chemical structure, C21H19N5O4S2, CAS 1107648-17-8
(E)-N-[[4-[(6-Methoxypyridazin-3-yl)sulfamoyl]phenyl]carbamothioyl]-3-phenylprop-2-enamide
CAS 1107648-17-8C21H19N5O4S2
2-Methyl-5-(4-((4-sulfamoylphenyl)amino)phthalazin-1-yl)benzenesulfonamide chemical structure, C21H19N5O4S2, CAS 333413-02-8
2-Methyl-5-(4-((4-sulfamoylphenyl)amino)phthalazin-1-yl)benzenesulfonamide
CAS 333413-02-8C21H19N5O4S2
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H19N5O4S2, CAS 847400-62-8
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-62-8C21H19N5O4S2
2-((3-(3,4-Dimethoxybenzyl)-4-oxo-4H-[1,3,4]thiadiazolo[2,3-c][1,2,4]triazin-7-yl)thio)-N-phenylacetamide chemical structure, C21H19N5O4S2, CAS 877817-23-7
2-((3-(3,4-Dimethoxybenzyl)-4-oxo-4H-[1,3,4]thiadiazolo[2,3-c][1,2,4]triazin-7-yl)thio)-N-phenylacetamide
CAS 877817-23-7C21H19N5O4S2
Methyl 4-(2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamido)benzoate chemical structure, C21H19N5O4S2, CAS 847400-53-7
Methyl 4-(2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamido)benzoate
CAS 847400-53-7C21H19N5O4S2
N-(4-Acetamido-2-((2-(indolin-1-yl)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)thiophene-2-carboxamide chemical structure, C21H19N5O4S2, CAS 872608-88-3
N-(4-Acetamido-2-((2-(indolin-1-yl)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)thiophene-2-carboxamide
CAS 872608-88-3C21H19N5O4S2
N-(5-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-4-methyl-3-nitrobenzamide chemical structure, C21H19N5O4S2, CAS 389072-85-9
N-(5-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-4-methyl-3-nitrobenzamide
CAS 389072-85-9C21H19N5O4S2
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H19N5O4S2, CAS 847400-47-9
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-47-9C21H19N5O4S2
4-[[4-(3,4-Dihydroxyphenyl)-1,3-thiazol-2-yl]amino]-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide chemical structure, C21H19N5O4S2, CAS 690686-50-1
4-[[4-(3,4-Dihydroxyphenyl)-1,3-thiazol-2-yl]amino]-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide
CAS 690686-50-1C21H19N5O4S2
4-Methyl-N-[3-(4-sulfamoylanilino)quinoxalin-2-yl]benzenesulfonamide chemical structure, C21H19N5O4S2, CAS 301357-56-2
4-Methyl-N-[3-(4-sulfamoylanilino)quinoxalin-2-yl]benzenesulfonamide
CAS 301357-56-2C21H19N5O4S2
2-((6,8-Dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(4-methoxyphenyl)acetamide chemical structure, C21H19N5O4S2, CAS 847191-77-9
2-((6,8-Dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(4-methoxyphenyl)acetamide
CAS 847191-77-9C21H19N5O4S2
4-[Bis(2-cyanoethyl)sulfamoyl]-N-(4-methoxy-1,3-benzothiazol-2-yl)benzamide chemical structure, C21H19N5O4S2, CAS 476275-67-9
4-[Bis(2-cyanoethyl)sulfamoyl]-N-(4-methoxy-1,3-benzothiazol-2-yl)benzamide
CAS 476275-67-9C21H19N5O4S2
2-(1,3-Dimethyl-2,4-dioxo-7-thiophen-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanyl-N-(2-methoxyphenyl)acetamide chemical structure, C21H19N5O4S2, CAS 847191-75-7
2-(1,3-Dimethyl-2,4-dioxo-7-thiophen-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanyl-N-(2-methoxyphenyl)acetamide
CAS 847191-75-7C21H19N5O4S2
4-Methoxy-N-((5-((2-((6-methylbenzo[d]thiazol-2-yl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)benzamide chemical structure, C21H19N5O4S2, CAS 851783-64-7
4-Methoxy-N-((5-((2-((6-methylbenzo[d]thiazol-2-yl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)benzamide
CAS 851783-64-7C21H19N5O4S2
2-((6,8-Dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(3-methoxyphenyl)acetamide chemical structure, C21H19N5O4S2, CAS 847191-76-8
2-((6,8-Dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(3-methoxyphenyl)acetamide
CAS 847191-76-8C21H19N5O4S2
N-(4-Ethoxyphenyl)-2-{[3-(4-methoxyphenyl)-4-oxo-4H-[1,3,4]thiadiazolo[2,3-c][1,2,4]triazin-7-yl]sulfanyl}acetamide chemical structure, C21H19N5O4S2, CAS 896295-68-4
N-(4-Ethoxyphenyl)-2-{[3-(4-methoxyphenyl)-4-oxo-4H-[1,3,4]thiadiazolo[2,3-c][1,2,4]triazin-7-yl]sulfanyl}acetamide
CAS 896295-68-4C21H19N5O4S2
4-[Bis(2-cyanoethyl)sulfamoyl]-N-[4-(5-methylfuran-2-yl)-1,3-thiazol-2-yl]benzamide chemical structure, C21H19N5O4S2, CAS 476642-66-7
4-[Bis(2-cyanoethyl)sulfamoyl]-N-[4-(5-methylfuran-2-yl)-1,3-thiazol-2-yl]benzamide
CAS 476642-66-7C21H19N5O4S2
N'-(2-(3-((4-Methylthiazol-2-yl)methyl)-4-oxo-3,4-dihydrophthalazin-1-yl)acetyl)benzenesulfonohydrazide chemical structure, C21H19N5O4S2, CAS 1163729-74-5
N'-(2-(3-((4-Methylthiazol-2-yl)methyl)-4-oxo-3,4-dihydrophthalazin-1-yl)acetyl)benzenesulfonohydrazide
CAS 1163729-74-5C21H19N5O4S2

Frequently asked questions

What is the molar mass of C21H19N5O4S2?

The molar mass of C21H19N5O4S2 is 469.53 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 469.0878 Da.

How many compounds have the formula C21H19N5O4S2?

CompoundList lists 18 compounds with the molecular formula C21H19N5O4S2, including (E)-N-[[4-[(6-Methoxypyridazin-3-yl)sulfamoyl]phenyl]carbamothioyl]-3-phenylprop-2-enamide, 2-Methyl-5-(4-((4-sulfamoylphenyl)amino)phthalazin-1-yl)benzenesulfonamide, N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide. 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 C21H19N5O4S2?

C21H19N5O4S2 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.