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Molecular formula

C21H18N6OS

20 compounds have this formula on CompoundList.

Molar mass
402.48g/mol
Monoisotopic mass
402.1263Da
Atoms
47
Elements
5
Rings plus double bonds
16

The formula C21H18N6OS describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 6 nitrogen atoms, 1 oxygen atom 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 × 2162.67%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.51%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 620.88%
    14.007 × 6 = 84.042 g/mol
  • O Oxygen × 13.98%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 17.97%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H18N6OS

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

Showing 1 to 20 of 20 compounds

N-(Naphthalen-1-yl)-2-{[4-(prop-2-en-1-yl)-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H18N6OS, CAS 578762-95-5
N-(Naphthalen-1-yl)-2-{[4-(prop-2-en-1-yl)-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 578762-95-5C21H18N6OS
PI3K-IN-26 chemical structure, C21H18N6OS, CAS 1918151-65-1
PI3K-IN-26
CAS 1918151-65-1C21H18N6OS
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone chemical structure, C21H18N6OS, CAS 894061-45-1
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone
CAS 894061-45-1C21H18N6OS
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-3-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone chemical structure, C21H18N6OS, CAS 877635-06-8
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-3-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone
CAS 877635-06-8C21H18N6OS
2-(4-Amino-5-(2-pyridyl)(1,2,4-triazol-3-ylthio))-N-(2-phenylphenyl)acetamide chemical structure, C21H18N6OS, CAS 577984-38-4
2-(4-Amino-5-(2-pyridyl)(1,2,4-triazol-3-ylthio))-N-(2-phenylphenyl)acetamide
CAS 577984-38-4C21H18N6OS
N-(Biphenyl-2-yl)-2-{[4-methyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H18N6OS, CAS 840499-16-3
N-(Biphenyl-2-yl)-2-{[4-methyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 840499-16-3C21H18N6OS
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(3-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]ethanone chemical structure, C21H18N6OS, CAS 868969-55-5
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(3-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]ethanone
CAS 868969-55-5C21H18N6OS
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone chemical structure, C21H18N6OS, CAS 894055-66-4
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone
CAS 894055-66-4C21H18N6OS
N-(4-Cyanophenyl)-2-{[1-(propan-2-yl)-[1,2,4]triazolo[4,3-a]quinoxalin-4-yl]sulfanyl}acetamide chemical structure, C21H18N6OS, CAS 1359015-61-4
N-(4-Cyanophenyl)-2-{[1-(propan-2-yl)-[1,2,4]triazolo[4,3-a]quinoxalin-4-yl]sulfanyl}acetamide
CAS 1359015-61-4C21H18N6OS
2-{[4-Amino-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(biphenyl-2-yl)acetamide chemical structure, C21H18N6OS, CAS 840482-85-1
2-{[4-Amino-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(biphenyl-2-yl)acetamide
CAS 840482-85-1C21H18N6OS
2-{[4-Amino-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(biphenyl-2-yl)acetamide chemical structure, C21H18N6OS, CAS 575458-93-4
2-{[4-Amino-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(biphenyl-2-yl)acetamide
CAS 575458-93-4C21H18N6OS
N-(4-(6-(Pyrrolidin-1-yl)pyridazin-3-yl)phenyl)benzo[c][1,2,5]thiadiazole-5-carboxamide chemical structure, C21H18N6OS, CAS 1203171-86-1
N-(4-(6-(Pyrrolidin-1-yl)pyridazin-3-yl)phenyl)benzo[c][1,2,5]thiadiazole-5-carboxamide
CAS 1203171-86-1C21H18N6OS
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(3-pyridin-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]ethanone chemical structure, C21H18N6OS, CAS 868967-20-8
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(3-pyridin-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]ethanone
CAS 868967-20-8C21H18N6OS
1-(3,4-Dihydroquinolin-1(2H)-yl)-2-((3-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethanone chemical structure, C21H18N6OS, CAS 868968-40-5
1-(3,4-Dihydroquinolin-1(2H)-yl)-2-((3-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethanone
CAS 868968-40-5C21H18N6OS
1-(3,4-Dihydroquinolin-1(2H)-yl)-2-((3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)ethanone chemical structure, C21H18N6OS, CAS 941906-04-3
1-(3,4-Dihydroquinolin-1(2H)-yl)-2-((3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)ethanone
CAS 941906-04-3C21H18N6OS
1-(Indolin-1-yl)-2-((3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)ethanone chemical structure, C21H18N6OS, CAS 863459-14-7
1-(Indolin-1-yl)-2-((3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)ethanone
CAS 863459-14-7C21H18N6OS
1-Ethyl-3-(4-(4-phenylthiazol-2-yl)-5-(pyrimidin-5-yl)pyridin-2-yl)urea chemical structure, C21H18N6OS, CAS 1186110-90-6
1-Ethyl-3-(4-(4-phenylthiazol-2-yl)-5-(pyrimidin-5-yl)pyridin-2-yl)urea
CAS 1186110-90-6C21H18N6OS
Acetamide, 2-[(5-cyano-2,6-dimethyl-4-pyrimidinyl)thio]-N-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C21H18N6OS, CAS 1015724-64-7
Acetamide, 2-[(5-cyano-2,6-dimethyl-4-pyrimidinyl)thio]-N-[4-(2-phenyldiazenyl)phenyl]-
CAS 1015724-64-7C21H18N6OS
3-(5-((Ethylazo)methyl)-1,3,4-thiadiazol-2-yl)-2-(2-phenylethenyl)-4(3H)-quinazolinone chemical structure, C21H18N6OS, CAS 103515-11-3
3-(5-((Ethylazo)methyl)-1,3,4-thiadiazol-2-yl)-2-(2-phenylethenyl)-4(3H)-quinazolinone
CAS 103515-11-3C21H18N6OS
Acetamide, 2-[(4-cyano-5,6-dimethyl-3-pyridazinyl)thio]-N-[4-(2-phenyldiazenyl)phenyl]- chemical structure, C21H18N6OS, CAS 1648564-74-2
Acetamide, 2-[(4-cyano-5,6-dimethyl-3-pyridazinyl)thio]-N-[4-(2-phenyldiazenyl)phenyl]-
CAS 1648564-74-2C21H18N6OS

Frequently asked questions

What is the molar mass of C21H18N6OS?

The molar mass of C21H18N6OS is 402.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 6 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 402.1263 Da.

How many compounds have the formula C21H18N6OS?

CompoundList lists 20 compounds with the molecular formula C21H18N6OS, including N-(Naphthalen-1-yl)-2-{[4-(prop-2-en-1-yl)-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide, PI3K-IN-26, 1-(3,4-Dihydro-2H-quinolin-1-yl)-2-[(6-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]ethanone. 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 C21H18N6OS?

C21H18N6OS 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.