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Molecular formula

C21H20N6O4S

19 compounds have this formula on CompoundList.

Molar mass
452.49g/mol
Monoisotopic mass
452.1267Da
Atoms
52
Elements
5
Rings plus double bonds
15

The formula C21H20N6O4S describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 6 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. 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 × 2155.74%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 204.46%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 618.57%
    14.007 × 6 = 84.042 g/mol
  • O Oxygen × 414.14%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 17.09%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H20N6O4S

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

Showing 1 to 19 of 19 compounds

2-[[1,3-Dimethyl-7-(4-methylphenyl)-2,4-dioxo-5-pyrimido[4,5-d]pyrimidinyl]thio]-N-(5-methyl-3-isoxazolyl)acetamide chemical structure, C21H20N6O4S, CAS 872694-53-6
2-[[1,3-Dimethyl-7-(4-methylphenyl)-2,4-dioxo-5-pyrimido[4,5-d]pyrimidinyl]thio]-N-(5-methyl-3-isoxazolyl)acetamide
CAS 872694-53-6C21H20N6O4S
2-[[5-[(2,4-Dioxo-1H-pyrimidin-6-yl)methyl]-4-(3-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide chemical structure, C21H20N6O4S, CAS 852047-74-6
2-[[5-[(2,4-Dioxo-1H-pyrimidin-6-yl)methyl]-4-(3-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide
CAS 852047-74-6C21H20N6O4S
2-{[6,8-Dimethyl-2-(2-methylphenyl)-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]thio}-N-(5-methylisoxazol-3-yl)acetamide chemical structure, C21H20N6O4S, CAS 872629-34-0
2-{[6,8-Dimethyl-2-(2-methylphenyl)-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]thio}-N-(5-methylisoxazol-3-yl)acetamide
CAS 872629-34-0C21H20N6O4S
2-((6,8-Dimethyl-5,7-dioxo-2-(m-tolyl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide chemical structure, C21H20N6O4S, CAS 872688-28-3
2-((6,8-Dimethyl-5,7-dioxo-2-(m-tolyl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide
CAS 872688-28-3C21H20N6O4S
2-((5-(1H-Indol-3-yl)-4-(2-methoxyethyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-nitrophenyl)acetamide chemical structure, C21H20N6O4S, CAS 852144-90-2
2-((5-(1H-Indol-3-yl)-4-(2-methoxyethyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-nitrophenyl)acetamide
CAS 852144-90-2C21H20N6O4S
N-(2-((2-((4-Acetamidophenyl)amino)-2-oxoethyl)thio)-4-amino-6-oxo-1,6-dihydropyrimidin-5-yl)benzamide chemical structure, C21H20N6O4S, CAS 888414-03-7
N-(2-((2-((4-Acetamidophenyl)amino)-2-oxoethyl)thio)-4-amino-6-oxo-1,6-dihydropyrimidin-5-yl)benzamide
CAS 888414-03-7C21H20N6O4S
N-(3,4-Dimethoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H20N6O4S, CAS 578750-67-1
N-(3,4-Dimethoxyphenyl)-2-{[4-(furan-2-ylmethyl)-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 578750-67-1C21H20N6O4S
N-(3,4-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide chemical structure, C21H20N6O4S, CAS 863500-46-3
N-(3,4-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide
CAS 863500-46-3C21H20N6O4S
3,5-Dimethoxy-N-{3-[1-(3-methoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}benzamide chemical structure, C21H20N6O4S, CAS 895107-79-6
3,5-Dimethoxy-N-{3-[1-(3-methoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}benzamide
CAS 895107-79-6C21H20N6O4S
N-{3-[1-(3,4-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-2-methoxybenzamide chemical structure, C21H20N6O4S, CAS 932300-36-2
N-{3-[1-(3,4-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-2-methoxybenzamide
CAS 932300-36-2C21H20N6O4S
N-{3-[1-(2,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-2-methoxybenzamide chemical structure, C21H20N6O4S, CAS 932487-84-8
N-{3-[1-(2,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-2-methoxybenzamide
CAS 932487-84-8C21H20N6O4S
N-{3-[1-(3,4-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-3-methoxybenzamide chemical structure, C21H20N6O4S, CAS 895117-90-5
N-{3-[1-(3,4-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-3-methoxybenzamide
CAS 895117-90-5C21H20N6O4S
N-{3-[1-(2,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-3-methoxybenzamide chemical structure, C21H20N6O4S, CAS 895117-95-0
N-{3-[1-(2,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-3-methoxybenzamide
CAS 895117-95-0C21H20N6O4S
N-{3-[1-(3,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-3-methoxybenzamide chemical structure, C21H20N6O4S, CAS 895118-70-4
N-{3-[1-(3,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-thiadiazol-5-yl}-3-methoxybenzamide
CAS 895118-70-4C21H20N6O4S
3,4-Dimethoxy-N-(4-{[6-(1H-pyrazol-1-yl)pyridazin-3-yl]amino}phenyl)benzene-1-sulfonamide chemical structure, C21H20N6O4S, CAS 1019098-55-5
3,4-Dimethoxy-N-(4-{[6-(1H-pyrazol-1-yl)pyridazin-3-yl]amino}phenyl)benzene-1-sulfonamide
CAS 1019098-55-5C21H20N6O4S
2-((5-(1H-Indol-3-yl)-4-(2-methoxyethyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-nitrophenyl)acetamide chemical structure, C21H20N6O4S, CAS 852144-89-9
2-((5-(1H-Indol-3-yl)-4-(2-methoxyethyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-nitrophenyl)acetamide
CAS 852144-89-9C21H20N6O4S
N-(2,4-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide chemical structure, C21H20N6O4S, CAS 863500-44-1
N-(2,4-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide
CAS 863500-44-1C21H20N6O4S
N-(2,5-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide chemical structure, C21H20N6O4S, CAS 863500-45-2
N-(2,5-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)acetamide
CAS 863500-45-2C21H20N6O4S
N-[2-({2-[(2-Methoxyphenyl)amino]-5-oxo-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-8-yl}formamido)ethyl]acetamide chemical structure, C21H20N6O4S, CAS 894252-63-2
N-[2-({2-[(2-Methoxyphenyl)amino]-5-oxo-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-8-yl}formamido)ethyl]acetamide
CAS 894252-63-2C21H20N6O4S

Frequently asked questions

What is the molar mass of C21H20N6O4S?

The molar mass of C21H20N6O4S is 452.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 6 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 452.1267 Da.

How many compounds have the formula C21H20N6O4S?

CompoundList lists 19 compounds with the molecular formula C21H20N6O4S, including 2-[[1,3-Dimethyl-7-(4-methylphenyl)-2,4-dioxo-5-pyrimido[4,5-d]pyrimidinyl]thio]-N-(5-methyl-3-isoxazolyl)acetamide, 2-[[5-[(2,4-Dioxo-1H-pyrimidin-6-yl)methyl]-4-(3-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide, 2-{[6,8-Dimethyl-2-(2-methylphenyl)-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl]thio}-N-(5-methylisoxazol-3-yl)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 C21H20N6O4S?

C21H20N6O4S 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.