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Molecular formula

C21H16ClN5O3S

18 compounds have this formula on CompoundList.

Molar mass
453.90g/mol
Monoisotopic mass
453.0662Da
Atoms
47
Elements
6
Rings plus double bonds
16

The formula C21H16ClN5O3S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms, 3 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 × 2155.57%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.55%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 17.81%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 515.43%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 310.57%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 17.06%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H16ClN5O3S

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

Showing 1 to 18 of 18 compounds

N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((1-(4-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H16ClN5O3S, CAS 872860-24-7
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((1-(4-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide
CAS 872860-24-7C21H16ClN5O3S
Methyl 4-(2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamido)benzoate chemical structure, C21H16ClN5O3S, CAS 893919-60-3
Methyl 4-(2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamido)benzoate
CAS 893919-60-3C21H16ClN5O3S
PolQi2 chemical structure, C21H16ClN5O3S, CAS 2565638-16-4
PolQi2
CAS 2565638-16-4C21H16ClN5O3S
1-[4-[(6-Chloropyridazin-3-yl)sulfamoyl]phenyl]-3-naphthalen-1-ylurea chemical structure, C21H16ClN5O3S, CAS 515830-39-4
1-[4-[(6-Chloropyridazin-3-yl)sulfamoyl]phenyl]-3-naphthalen-1-ylurea
CAS 515830-39-4C21H16ClN5O3S
2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide chemical structure, C21H16ClN5O3S, CAS 573929-93-8
2-((1-(4-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide
CAS 573929-93-8C21H16ClN5O3S
2-{[6-(2H-1,3-Benzodioxol-5-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}-N-[(2-chlorophenyl)methyl]acetamide chemical structure, C21H16ClN5O3S, CAS 894064-87-0
2-{[6-(2H-1,3-Benzodioxol-5-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}-N-[(2-chlorophenyl)methyl]acetamide
CAS 894064-87-0C21H16ClN5O3S
Methyl 4-(2-((1-(4-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamido)benzoate chemical structure, C21H16ClN5O3S, CAS 862126-70-3
Methyl 4-(2-((1-(4-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamido)benzoate
CAS 862126-70-3C21H16ClN5O3S
2-((3-(4-Chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide chemical structure, C21H16ClN5O3S, CAS 852373-30-9
2-((3-(4-Chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide
CAS 852373-30-9C21H16ClN5O3S
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((3-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H16ClN5O3S, CAS 852373-42-3
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((3-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide
CAS 852373-42-3C21H16ClN5O3S
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H16ClN5O3S, CAS 872861-76-2
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide
CAS 872861-76-2C21H16ClN5O3S
2-((1-(3-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide chemical structure, C21H16ClN5O3S, CAS 872860-45-2
2-((1-(3-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide
CAS 872860-45-2C21H16ClN5O3S
N-(1-(4-(4-Chlorophenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(4-nitrophenyl)acetamide chemical structure, C21H16ClN5O3S, CAS 1019102-18-1
N-(1-(4-(4-Chlorophenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(4-nitrophenyl)acetamide
CAS 1019102-18-1C21H16ClN5O3S
N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-{[6-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide chemical structure, C21H16ClN5O3S, CAS 894040-16-5
N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-{[6-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide
CAS 894040-16-5C21H16ClN5O3S
6-[[4-(4-Chlorophenyl)-5-phenacylsulfanyl-1,2,4-triazol-3-yl]methyl]-1H-pyrimidine-2,4-dione chemical structure, C21H16ClN5O3S, CAS 852155-11-4
6-[[4-(4-Chlorophenyl)-5-phenacylsulfanyl-1,2,4-triazol-3-yl]methyl]-1H-pyrimidine-2,4-dione
CAS 852155-11-4C21H16ClN5O3S
6-((5-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-4-phenyl-4H-1,2,4-triazol-3-yl)methyl)pyrimidine-2,4(1H,3H)-dione chemical structure, C21H16ClN5O3S, CAS 852047-29-1
6-((5-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-4-phenyl-4H-1,2,4-triazol-3-yl)methyl)pyrimidine-2,4(1H,3H)-dione
CAS 852047-29-1C21H16ClN5O3S
Methyl 4-(2-((3-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamido)benzoate chemical structure, C21H16ClN5O3S, CAS 852373-33-2
Methyl 4-(2-((3-(4-chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamido)benzoate
CAS 852373-33-2C21H16ClN5O3S
2-((6-(4-Chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide chemical structure, C21H16ClN5O3S, CAS 894039-26-0
2-((6-(4-Chlorophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide
CAS 894039-26-0C21H16ClN5O3S
N-(4-Acetylphenyl)-2-((1-(4-chlorophenyl)-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)acetamide chemical structure, C21H16ClN5O3S, CAS 946365-98-6
N-(4-Acetylphenyl)-2-((1-(4-chlorophenyl)-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)acetamide
CAS 946365-98-6C21H16ClN5O3S

Frequently asked questions

What is the molar mass of C21H16ClN5O3S?

The molar mass of C21H16ClN5O3S is 453.90 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 453.0662 Da.

How many compounds have the formula C21H16ClN5O3S?

CompoundList lists 18 compounds with the molecular formula C21H16ClN5O3S, including N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((1-(4-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide, Methyl 4-(2-((1-(3-chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamido)benzoate, PolQi2. 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 C21H16ClN5O3S?

C21H16ClN5O3S has a degree of unsaturation of 16. 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.