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Molecular formula

C12H9N5S

22 compounds have this formula on CompoundList.

Molar mass
255.30g/mol
Monoisotopic mass
255.0579Da
Atoms
27
Elements
4
Rings plus double bonds
11

The formula C12H9N5S describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 5 nitrogen 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 × 1256.46%
    12.011 × 12 = 144.132 g/mol
  • H Hydrogen × 93.55%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 527.43%
    14.007 × 5 = 70.035 g/mol
  • S Sulfur × 112.56%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C12H9N5S

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

Showing 1 to 22 of 22 compounds

4-Phenyl-5-(pyrazin-2-yl)-4H-1,2,4-triazole-3-thiol chemical structure, C12H9N5S, CAS 98010-52-7
4-Phenyl-5-(pyrazin-2-yl)-4H-1,2,4-triazole-3-thiol
CAS 98010-52-7C12H9N5S
4-Pyridin-2-yl-N-pyrimidin-2-yl-1,3-thiazol-2-amine chemical structure, C12H9N5S, CAS 315702-93-3
4-Pyridin-2-yl-N-pyrimidin-2-yl-1,3-thiazol-2-amine
CAS 315702-93-3C12H9N5S
2,6-Diamino-4-pyridin-3-yl-4H-thiopyran-3,5-dicarbonitrile chemical structure, C12H9N5S, CAS 125219-61-6
2,6-Diamino-4-pyridin-3-yl-4H-thiopyran-3,5-dicarbonitrile
CAS 125219-61-6C12H9N5S
2-(2-Methyl-[1,2,4]triazolo[1,5-c]quinazolin-5-ylthio)acetonitrile chemical structure, C12H9N5S, CAS 443675-31-8
2-(2-Methyl-[1,2,4]triazolo[1,5-c]quinazolin-5-ylthio)acetonitrile
CAS 443675-31-8C12H9N5S
N-[3-(2-Pyridinyl)-1,2,4-thiadiazol-5-yl]-2-pyridinamine chemical structure, C12H9N5S, CAS 2516241-10-2
N-[3-(2-Pyridinyl)-1,2,4-thiadiazol-5-yl]-2-pyridinamine
CAS 2516241-10-2C12H9N5S
4-(Pyridin-3-yl)-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol chemical structure, C12H9N5S, CAS 893772-90-2
4-(Pyridin-3-yl)-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol
CAS 893772-90-2C12H9N5S
Pyridine, 4-(3-(2-pyridylmercapto)-5-(4H-1,2,4-triazolyl))- chemical structure, C12H9N5S, CAS 3652-27-5
Pyridine, 4-(3-(2-pyridylmercapto)-5-(4H-1,2,4-triazolyl))-
CAS 3652-27-5C12H9N5S
4-[2-(Pyridin-2-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine chemical structure, C12H9N5S, CAS 1823183-38-5
4-[2-(Pyridin-2-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine
CAS 1823183-38-5C12H9N5S
3-(2,2-Bipyridin-6-yl)-1,2,4-thiadiazol-5-amine chemical structure, C12H9N5S, CAS 1179362-70-9
3-(2,2-Bipyridin-6-yl)-1,2,4-thiadiazol-5-amine
CAS 1179362-70-9C12H9N5S
4-[2-(Pyridin-3-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine chemical structure, C12H9N5S, CAS 1823183-22-7
4-[2-(Pyridin-3-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine
CAS 1823183-22-7C12H9N5S
4-[2-(Pyridin-4-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine chemical structure, C12H9N5S, CAS 1823182-54-2
4-[2-(Pyridin-4-yl)-1,3-thiazol-5-yl]pyrimidin-2-amine
CAS 1823182-54-2C12H9N5S
3-(3-Methyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-1H-indole chemical structure, C12H9N5S, CAS 929842-79-5
3-(3-Methyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-1H-indole
CAS 929842-79-5C12H9N5S
5-(Benzylsulfanyl)pyrimido[5,4-e][1,2,4]triazine chemical structure, C12H9N5S, CAS 21308-98-5
5-(Benzylsulfanyl)pyrimido[5,4-e][1,2,4]triazine
CAS 21308-98-5C12H9N5S
5-Amino-1-(2-benzothiazolyl)-3-methyl-1H-pyrazole-4-carbonitrile chemical structure, C12H9N5S, CAS 929637-40-1
5-Amino-1-(2-benzothiazolyl)-3-methyl-1H-pyrazole-4-carbonitrile
CAS 929637-40-1C12H9N5S
N-[4-(Pyridin-2-yl)-1,3-thiazol-2-yl]pyrazin-2-amine chemical structure, C12H9N5S, CAS 156272-82-1
N-[4-(Pyridin-2-yl)-1,3-thiazol-2-yl]pyrazin-2-amine
CAS 156272-82-1C12H9N5S
9-[(E)-Benzylideneamino]-3,9-dihydro-6H-purine-6-thione chemical structure, C12H9N5S, CAS 37154-82-8
9-[(E)-Benzylideneamino]-3,9-dihydro-6H-purine-6-thione
CAS 37154-82-8C12H9N5S
3-(2,3-Bipyridin-6-yl)-1,2,4-thiadiazol-5-amine chemical structure, C12H9N5S, CAS 1179361-31-9
3-(2,3-Bipyridin-6-yl)-1,2,4-thiadiazol-5-amine
CAS 1179361-31-9C12H9N5S
3-(2,4-Bipyridin-6-yl)-1,2,4-thiadiazol-5-amine chemical structure, C12H9N5S, CAS 1179361-29-5
3-(2,4-Bipyridin-6-yl)-1,2,4-thiadiazol-5-amine
CAS 1179361-29-5C12H9N5S
2-[(5-Cyanoisoquinolin-1-yl)methylidene]hydrazine-1-carboximidothioic acid chemical structure, C12H9N5S, CAS 31181-00-7
2-[(5-Cyanoisoquinolin-1-yl)methylidene]hydrazine-1-carboximidothioic acid
CAS 31181-00-7C12H9N5S
[(Z)-(5-Cyanoisoquinolin-1-yl)methylideneamino]thiourea chemical structure, C12H9N5S
[(Z)-(5-Cyanoisoquinolin-1-yl)methylideneamino]thiourea
C12H9N5S
6-{1,3-Dimethyl-1H-thieno[2,3-c]pyrazol-5-yl}pyridazine-3-carbonitrile chemical structure, C12H9N5S, CAS 2171806-36-1
6-{1,3-Dimethyl-1H-thieno[2,3-c]pyrazol-5-yl}pyridazine-3-carbonitrile
CAS 2171806-36-1C12H9N5S
N-Pyridin-4-yl-4-thiophen-2-yl-1,3,5-triazin-2-amine chemical structure, C12H9N5S, CAS 333728-77-1
N-Pyridin-4-yl-4-thiophen-2-yl-1,3,5-triazin-2-amine
CAS 333728-77-1C12H9N5S

Frequently asked questions

What is the molar mass of C12H9N5S?

The molar mass of C12H9N5S is 255.30 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 255.0579 Da.

How many compounds have the formula C12H9N5S?

CompoundList lists 22 compounds with the molecular formula C12H9N5S, including 4-Phenyl-5-(pyrazin-2-yl)-4H-1,2,4-triazole-3-thiol, 4-Pyridin-2-yl-N-pyrimidin-2-yl-1,3-thiazol-2-amine, 2,6-Diamino-4-pyridin-3-yl-4H-thiopyran-3,5-dicarbonitrile. 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 C12H9N5S?

C12H9N5S has a degree of unsaturation of 11. 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.