Molecular formula

C₁₂H₉N₅OS

16 compounds have this formula on CompoundList.

Molar mass: 271.30g/mol
Monoisotopic mass: 271.0528Da
Atoms: 28
Elements: 5
Rings plus double bonds: 11

The formula C12H9N5OS describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 5 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 × 1253.13%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 93.34%
1.008 × 9 = 9.072 g/mol
N Nitrogen × 525.81%
14.007 × 5 = 70.035 g/mol
O Oxygen × 15.90%
15.999 × 1 = 15.999 g/mol
S Sulfur × 111.82%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C12H9N5OS

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

Showing 1 to 16 of 16 compounds

4-[(E)-Furan-2-ylmethylideneamino]-3-pyridin-3-yl-1H-1,2,4-triazole-5-thione

CAS 498535-88-9C₁₂H₉N₅OS

N-[3-(Tetrazol-1-yl)phenyl]thiophene-2-carboxamide

CAS 883294-53-9C₁₂H₉N₅OS

4-[(E)-Furan-2-ylmethylideneamino]-3-pyridin-2-yl-1H-1,2,4-triazole-5-thione

CAS 613248-37-6C₁₂H₉N₅OS

5-(2-Furyl)-4-[(2-pyridinylmethylene)amino]-4H-1,2,4-triazole-3-thiol

CAS 487035-35-8C₁₂H₉N₅OS

4-[(E)-Furan-2-ylmethylideneamino]-3-pyridin-4-yl-1H-1,2,4-triazole-5-thione

CAS 496971-67-6C₁₂H₉N₅OS

N-[4-(Tetrazol-1-yl)phenyl]thiophene-2-carboxamide

CAS 852901-05-4C₁₂H₉N₅OS

5-(Furan-2-yl)-4-{[(E)-pyridin-4-ylmethylidene]amino}-2,4-dihydro-3H-1,2,4-triazole-3-thione

CAS 478253-72-4C₁₂H₉N₅OS

N-(4-(1H-Tetrazol-1-yl)phenyl)thiophene-3-carboxamide

CAS 1207026-74-1C₁₂H₉N₅OS

3-(4-(Pyridin-3-yloxy)pyridin-2-yl)-1,2,4-thiadiazol-5-amine

CAS 1179360-69-0C₁₂H₉N₅OS

N-[2-(1H-Tetrazol-1-yl)phenyl]thiophene-2-carboxamide

CAS 1282098-79-6C₁₂H₉N₅OS

N-[2-(1H-Pyrazol-1-yl)pyrimidin-5-yl]thiophene-2-carboxamide

CAS 1421471-84-2C₁₂H₉N₅OS

N-(Benzo[c][1,2,5]thiadiazol-4-yl)-5-methylpyrazine-2-carboxamide

CAS 1219911-84-8C₁₂H₉N₅OS

6-[2-(2-Pyrimidinylamino)-4-thiazolyl]-2(1H)-pyridinone

CAS 1429551-39-2C₁₂H₉N₅OS

2-{5-[(3-Pyridinylmethyl)sulfanyl]-1,3,4-oxadiazol-2-yl}pyrazine

CAS 604740-28-5C₁₂H₉N₅OS

N-(2,1,3-Benzothiadiazol-4-yl)-6-methylpyrazine-2-carboxamide

CAS 2415604-06-5C₁₂H₉N₅OS

2-{5-[(4-Pyridinylmethyl)sulfanyl]-1,3,4-oxadiazol-2-yl}pyrazine

CAS 604740-27-4C₁₂H₉N₅OS

Frequently asked questions

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What is the molar mass of C12H9N5OS?

The molar mass of C12H9N5OS is 271.30 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 271.0528 Da.

How many compounds have the formula C12H9N5OS?

CompoundList lists 16 compounds with the molecular formula C12H9N5OS, including 4-[(E)-Furan-2-ylmethylideneamino]-3-pyridin-3-yl-1H-1,2,4-triazole-5-thione, N-[3-(Tetrazol-1-yl)phenyl]thiophene-2-carboxamide, 4-[(E)-Furan-2-ylmethylideneamino]-3-pyridin-2-yl-1H-1,2,4-triazole-5-thione. 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 C12H9N5OS?

C12H9N5OS 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.