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Molecular formula

C21H19N5O2S2

22 compounds have this formula on CompoundList.

Molar mass
437.54g/mol
Monoisotopic mass
437.0980Da
Atoms
49
Elements
5
Rings plus double bonds
15

The formula C21H19N5O2S2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 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 × 2157.65%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.38%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 516.01%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 27.31%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 214.65%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H19N5O2S2

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

Showing 1 to 22 of 22 compounds

3-((5-((2-(Indolin-1-yl)-2-oxoethyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)methyl)benzo[d]thiazol-2(3H)-one chemical structure, C21H19N5O2S2, CAS 847400-16-2
3-((5-((2-(Indolin-1-yl)-2-oxoethyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)methyl)benzo[d]thiazol-2(3H)-one
CAS 847400-16-2C21H19N5O2S2
N-(4-Methoxybenzyl)-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide chemical structure, C21H19N5O2S2, CAS 689266-99-7
N-(4-Methoxybenzyl)-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide
CAS 689266-99-7C21H19N5O2S2
5-Oxo-1-phenyl-N-(2-(2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)pyrrolidine-3-carboxamide chemical structure, C21H19N5O2S2, CAS 1211706-79-4
5-Oxo-1-phenyl-N-(2-(2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)pyrrolidine-3-carboxamide
CAS 1211706-79-4C21H19N5O2S2
N-(2-(3-(2,4-Dimethylthiazol-5-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-phenylthiazole-4-carboxamide chemical structure, C21H19N5O2S2, CAS 1251685-15-0
N-(2-(3-(2,4-Dimethylthiazol-5-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-phenylthiazole-4-carboxamide
CAS 1251685-15-0C21H19N5O2S2
N-(6-Methyl-1,3-benzothiazol-2-yl)-3-{2-[(phenylcarbamoyl)amino]-1,3-thiazol-4-yl}propanamide chemical structure, C21H19N5O2S2, CAS 1040665-07-3
N-(6-Methyl-1,3-benzothiazol-2-yl)-3-{2-[(phenylcarbamoyl)amino]-1,3-thiazol-4-yl}propanamide
CAS 1040665-07-3C21H19N5O2S2
2-(Benzylsulfanyl)-N-[1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]acetamide chemical structure, C21H19N5O2S2, CAS 1170392-41-2
2-(Benzylsulfanyl)-N-[1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]acetamide
CAS 1170392-41-2C21H19N5O2S2
2-(4-Oxo-1-(m-tolyl)-1,4,6,7-tetrahydropyrazolo[3,4-d]thiazolo[3,2-a]pyrimidin-6-yl)-N-(thiophen-2-ylmethyl)acetamide chemical structure, C21H19N5O2S2, CAS 952882-47-2
2-(4-Oxo-1-(m-tolyl)-1,4,6,7-tetrahydropyrazolo[3,4-d]thiazolo[3,2-a]pyrimidin-6-yl)-N-(thiophen-2-ylmethyl)acetamide
CAS 952882-47-2C21H19N5O2S2
N-[[2-(4-Ethoxyphenyl)-6-methylbenzotriazol-5-yl]carbamothioyl]thiophene-2-carboxamide chemical structure, C21H19N5O2S2, CAS 429640-75-5
N-[[2-(4-Ethoxyphenyl)-6-methylbenzotriazol-5-yl]carbamothioyl]thiophene-2-carboxamide
CAS 429640-75-5C21H19N5O2S2
N-[2-[(4-Amino-1,2,4-triazol-3-yl)sulfanyl]-1,2-dihydroacenaphthylen-1-yl]-4-methylbenzenesulfonamide chemical structure, C21H19N5O2S2, CAS 693242-31-8
N-[2-[(4-Amino-1,2,4-triazol-3-yl)sulfanyl]-1,2-dihydroacenaphthylen-1-yl]-4-methylbenzenesulfonamide
CAS 693242-31-8C21H19N5O2S2
N-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-N-methyl-3-(4-oxoquinazolin-3-yl)propanamide chemical structure, C21H19N5O2S2, CAS 831244-17-8
N-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-N-methyl-3-(4-oxoquinazolin-3-yl)propanamide
CAS 831244-17-8C21H19N5O2S2
2-(Benzo[d]thiazol-2-ylthio)-1-(4-(6-(furan-2-yl)pyridazin-3-yl)piperazin-1-yl)ethanone chemical structure, C21H19N5O2S2, CAS 1207051-75-9
2-(Benzo[d]thiazol-2-ylthio)-1-(4-(6-(furan-2-yl)pyridazin-3-yl)piperazin-1-yl)ethanone
CAS 1207051-75-9C21H19N5O2S2
2-((5-(4-Methoxyphenyl)-1-phenyl-1H-imidazol-2-yl)thio)-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide chemical structure, C21H19N5O2S2, CAS 1206988-68-2
2-((5-(4-Methoxyphenyl)-1-phenyl-1H-imidazol-2-yl)thio)-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide
CAS 1206988-68-2C21H19N5O2S2
N-(2-(4-Cyclopropyl-5-oxo-3-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-2-phenylthiazole-4-carboxamide chemical structure, C21H19N5O2S2, CAS 1448132-63-5
N-(2-(4-Cyclopropyl-5-oxo-3-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-2-phenylthiazole-4-carboxamide
CAS 1448132-63-5C21H19N5O2S2
2-{[6-Amino-1-(4-methylphenyl)-4-oxo-1,4-dihydropyrimidin-2-yl]sulfanyl}-N-(6-methyl-1,3-benzothiazol-2-yl)acetamide chemical structure, C21H19N5O2S2, CAS 872629-80-6
2-{[6-Amino-1-(4-methylphenyl)-4-oxo-1,4-dihydropyrimidin-2-yl]sulfanyl}-N-(6-methyl-1,3-benzothiazol-2-yl)acetamide
CAS 872629-80-6C21H19N5O2S2
N-(6-Acetyl-3-(benzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-1-methyl-1H-pyrazole-3-carboxamide chemical structure, C21H19N5O2S2, CAS 1172556-20-5
N-(6-Acetyl-3-(benzo[d]thiazol-2-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-1-methyl-1H-pyrazole-3-carboxamide
CAS 1172556-20-5C21H19N5O2S2
N-[1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]-2-(methylsulfanyl)benzamide chemical structure, C21H19N5O2S2, CAS 1172488-73-1
N-[1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]-2-(methylsulfanyl)benzamide
CAS 1172488-73-1C21H19N5O2S2
N,4-dimethyl-6-(methylsulfanyl)-N-[(4-oxo-3,4-dihydroquinazolin-2-yl)methyl]-2-(thiophen-2-yl)pyrimidine-5-carboxamide chemical structure, C21H19N5O2S2, CAS 1210187-07-7
N,4-dimethyl-6-(methylsulfanyl)-N-[(4-oxo-3,4-dihydroquinazolin-2-yl)methyl]-2-(thiophen-2-yl)pyrimidine-5-carboxamide
CAS 1210187-07-7C21H19N5O2S2
2-(Ethylsulfanyl)-N-[1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]benzamide chemical structure, C21H19N5O2S2, CAS 1171780-50-9
2-(Ethylsulfanyl)-N-[1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]benzamide
CAS 1171780-50-9C21H19N5O2S2
N-[(4-Methylphenyl)methyl]-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide chemical structure, C21H19N5O2S2, CAS 902858-63-3
N-[(4-Methylphenyl)methyl]-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide
CAS 902858-63-3C21H19N5O2S2
BChE-IN-34 chemical structure, C21H19N5O2S2, CAS 2215768-12-8
BChE-IN-34
CAS 2215768-12-8C21H19N5O2S2
N-(2,4-Dimethylphenyl)-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide chemical structure, C21H19N5O2S2, CAS 902858-79-1
N-(2,4-Dimethylphenyl)-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide
CAS 902858-79-1C21H19N5O2S2
N-(2,5-Dimethylphenyl)-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide chemical structure, C21H19N5O2S2, CAS 902858-91-7
N-(2,5-Dimethylphenyl)-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide
CAS 902858-91-7C21H19N5O2S2

Frequently asked questions

What is the molar mass of C21H19N5O2S2?

The molar mass of C21H19N5O2S2 is 437.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 437.0980 Da.

How many compounds have the formula C21H19N5O2S2?

CompoundList lists 22 compounds with the molecular formula C21H19N5O2S2, including 3-((5-((2-(Indolin-1-yl)-2-oxoethyl)thio)-4-methyl-4H-1,2,4-triazol-3-yl)methyl)benzo[d]thiazol-2(3H)-one, N-(4-Methoxybenzyl)-2-(2-((2-thioxo-1,2-dihydroquinazolin-4-yl)amino)thiazol-4-yl)acetamide, 5-Oxo-1-phenyl-N-(2-(2-(thiophen-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)pyrrolidine-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 C21H19N5O2S2?

C21H19N5O2S2 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.