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Molecular formula

C21H21N5O2S2

29 compounds have this formula on CompoundList.

Molar mass
439.55g/mol
Monoisotopic mass
439.1137Da
Atoms
51
Elements
5
Rings plus double bonds
14

The formula C21H21N5O2S2 describes a molecule made of 21 carbon atoms, 21 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 × 2157.38%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.82%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 515.93%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 27.28%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 214.59%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H21N5O2S2

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

Showing 1 to 29 of 29 compounds

N-(1,3-Benzothiazol-2-yl)-2-[[4-ethyl-5-[(4-methoxyphenyl)methyl]-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H21N5O2S2, CAS 694462-35-6
N-(1,3-Benzothiazol-2-yl)-2-[[4-ethyl-5-[(4-methoxyphenyl)methyl]-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 694462-35-6C21H21N5O2S2
2-((4-Methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)-N-phenethylacetamide chemical structure, C21H21N5O2S2, CAS 847400-66-2
2-((4-Methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)-N-phenethylacetamide
CAS 847400-66-2C21H21N5O2S2
N-(3,5-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 847400-25-3
N-(3,5-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-25-3C21H21N5O2S2
N-[4-(Dimethylamino)phenyl]-2-{[4-(furan-2-ylmethyl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H21N5O2S2, CAS 677766-97-1
N-[4-(Dimethylamino)phenyl]-2-{[4-(furan-2-ylmethyl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 677766-97-1C21H21N5O2S2
N-(4-Ethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 847400-27-5
N-(4-Ethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-27-5C21H21N5O2S2
N-[2-(6-{[(3-Methylphenyl)methyl]sulfanyl}-[1,2,4]triazolo[4,3-B]pyridazin-3-yl)ethyl]benzenesulfonamide chemical structure, C21H21N5O2S2, CAS 872997-01-8
N-[2-(6-{[(3-Methylphenyl)methyl]sulfanyl}-[1,2,4]triazolo[4,3-B]pyridazin-3-yl)ethyl]benzenesulfonamide
CAS 872997-01-8C21H21N5O2S2
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-((5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 379248-88-1
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-((5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)thio)acetamide
CAS 379248-88-1C21H21N5O2S2
N-[2-(6-{[(4-Methylphenyl)methyl]sulfanyl}-[1,2,4]triazolo[4,3-B]pyridazin-3-yl)ethyl]benzenesulfonamide chemical structure, C21H21N5O2S2, CAS 872997-04-1
N-[2-(6-{[(4-Methylphenyl)methyl]sulfanyl}-[1,2,4]triazolo[4,3-B]pyridazin-3-yl)ethyl]benzenesulfonamide
CAS 872997-04-1C21H21N5O2S2
2-((4-(2-Oxo-2-(4-(pyrimidin-2-yl)piperazin-1-yl)ethyl)thiazol-2-yl)thio)-1-phenylethanone chemical structure, C21H21N5O2S2, CAS 946199-42-4
2-((4-(2-Oxo-2-(4-(pyrimidin-2-yl)piperazin-1-yl)ethyl)thiazol-2-yl)thio)-1-phenylethanone
CAS 946199-42-4C21H21N5O2S2
N-(6-((2-Oxo-2-(4-phenylpiperazin-1-yl)ethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide chemical structure, C21H21N5O2S2, CAS 1021136-73-1
N-(6-((2-Oxo-2-(4-phenylpiperazin-1-yl)ethyl)thio)pyridazin-3-yl)thiophene-2-carboxamide
CAS 1021136-73-1C21H21N5O2S2
4-Methyl-N-(6-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)pyridazin-3-yl)-2-phenylthiazole-5-carboxamide chemical structure, C21H21N5O2S2, CAS 1021253-28-0
4-Methyl-N-(6-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)pyridazin-3-yl)-2-phenylthiazole-5-carboxamide
CAS 1021253-28-0C21H21N5O2S2
N-(2-Methylbenzo[d]thiazol-5-yl)-1-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidine-3-carboxamide chemical structure, C21H21N5O2S2, CAS 1334375-39-1
N-(2-Methylbenzo[d]thiazol-5-yl)-1-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidine-3-carboxamide
CAS 1334375-39-1C21H21N5O2S2
N-(6-Methylbenzo[d]thiazol-2-yl)-2-(4-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)acetamide chemical structure, C21H21N5O2S2, CAS 1448123-93-0
N-(6-Methylbenzo[d]thiazol-2-yl)-2-(4-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)acetamide
CAS 1448123-93-0C21H21N5O2S2
1-((4-(2-Oxopyrrolidin-1-yl)benzyl)thio)-4-propylthieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one chemical structure, C21H21N5O2S2, CAS 1185171-03-2
1-((4-(2-Oxopyrrolidin-1-yl)benzyl)thio)-4-propylthieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one
CAS 1185171-03-2C21H21N5O2S2
N2,N6-bis(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)pyridine-2,6-dicarboxamide chemical structure, C21H21N5O2S2, CAS 476309-04-3
N2,N6-bis(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)pyridine-2,6-dicarboxamide
CAS 476309-04-3C21H21N5O2S2
N-(2,3-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 847400-22-0
N-(2,3-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-22-0C21H21N5O2S2
N-(2,5-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 847400-23-1
N-(2,5-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-23-1C21H21N5O2S2
N-(2,4-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 847400-24-2
N-(2,4-Dimethylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 847400-24-2C21H21N5O2S2
N-Benzyl-2-(3-(2-(pyridin-4-ylthio)acetamido)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-2-yl)acetamide chemical structure, C21H21N5O2S2, CAS 1105249-09-9
N-Benzyl-2-(3-(2-(pyridin-4-ylthio)acetamido)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-2-yl)acetamide
CAS 1105249-09-9C21H21N5O2S2
2-((5-(4-([1,1'-Biphenyl]-4-carbonyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)acetamide chemical structure, C21H21N5O2S2, CAS 1105198-10-4
2-((5-(4-([1,1'-Biphenyl]-4-carbonyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)acetamide
CAS 1105198-10-4C21H21N5O2S2
2-(4-(5-(Furan-2-yl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide chemical structure, C21H21N5O2S2, CAS 1226454-18-7
2-(4-(5-(Furan-2-yl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide
CAS 1226454-18-7C21H21N5O2S2
2-({1-Ethyl-3-methyl-7-oxo-6-[(thiophen-2-yl)methyl]-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-5-yl}sulfanyl)-N-phenylacetamide chemical structure, C21H21N5O2S2, CAS 1358375-34-4
2-({1-Ethyl-3-methyl-7-oxo-6-[(thiophen-2-yl)methyl]-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-5-yl}sulfanyl)-N-phenylacetamide
CAS 1358375-34-4C21H21N5O2S2
4(3H)-Quinazolinone, 3-(5-((2-hydroxy-3-((4-methylphenyl)amino)propyl)thio)-1,3,4-thiadiazol-2-yl)-2-methyl- chemical structure, C21H21N5O2S2, CAS 135575-55-2
4(3H)-Quinazolinone, 3-(5-((2-hydroxy-3-((4-methylphenyl)amino)propyl)thio)-1,3,4-thiadiazol-2-yl)-2-methyl-
CAS 135575-55-2C21H21N5O2S2
4(3H)-Quinazolinone, 3-(5-((2-hydroxy-3-((2-methylphenyl)amino)propyl)thio)-1,3,4-thiadiazol-2-yl)-2-methyl- chemical structure, C21H21N5O2S2, CAS 135575-54-1
4(3H)-Quinazolinone, 3-(5-((2-hydroxy-3-((2-methylphenyl)amino)propyl)thio)-1,3,4-thiadiazol-2-yl)-2-methyl-
CAS 135575-54-1C21H21N5O2S2

Frequently asked questions

What is the molar mass of C21H21N5O2S2?

The molar mass of C21H21N5O2S2 is 439.55 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 439.1137 Da.

How many compounds have the formula C21H21N5O2S2?

CompoundList lists 29 compounds with the molecular formula C21H21N5O2S2, including N-(1,3-Benzothiazol-2-yl)-2-[[4-ethyl-5-[(4-methoxyphenyl)methyl]-1,2,4-triazol-3-yl]sulfanyl]acetamide, 2-((4-Methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)-N-phenethylacetamide, N-(3,5-Dimethylphenyl)-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 C21H21N5O2S2?

C21H21N5O2S2 has a degree of unsaturation of 14. 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.