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Molecular formula

C11H9N5O2S

19 compounds have this formula on CompoundList.

Molar mass
275.29g/mol
Monoisotopic mass
275.0477Da
Atoms
28
Elements
5
Rings plus double bonds
10

The formula C11H9N5O2S describes a molecule made of 11 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms, 2 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 × 1147.99%
    12.011 × 11 = 132.121 g/mol
  • H Hydrogen × 93.30%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 525.44%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 211.62%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 111.65%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C11H9N5O2S

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-(3-Methyl-5-nitroimidazol-4-yl)sulfanyl-1H-benzimidazole chemical structure, C11H9N5O2S, CAS 18383-84-1
2-(3-Methyl-5-nitroimidazol-4-yl)sulfanyl-1H-benzimidazole
CAS 18383-84-1C11H9N5O2S
2-{[6-(Furan-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide chemical structure, C11H9N5O2S, CAS 877634-75-8
2-{[6-(Furan-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide
CAS 877634-75-8C11H9N5O2S
1,6-Dimethyl-3-(thiophen-2-yl)pyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione chemical structure, C11H9N5O2S, CAS 32502-21-9
1,6-Dimethyl-3-(thiophen-2-yl)pyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione
CAS 32502-21-9C11H9N5O2S
1-Methyl-N-[5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl]-1H-pyrazole-3-carboxamide chemical structure, C11H9N5O2S, CAS 1170176-32-5
1-Methyl-N-[5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl]-1H-pyrazole-3-carboxamide
CAS 1170176-32-5C11H9N5O2S
1-Methyl-N-[5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl]-1H-pyrazole-5-carboxamide chemical structure, C11H9N5O2S, CAS 1171431-15-4
1-Methyl-N-[5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl]-1H-pyrazole-5-carboxamide
CAS 1171431-15-4C11H9N5O2S
2-(1,3-Benzoxazol-2-ylsulfanyl)-N-(4H-1,2,4-triazol-4-yl)acetamide chemical structure, C11H9N5O2S, CAS 498571-34-9
2-(1,3-Benzoxazol-2-ylsulfanyl)-N-(4H-1,2,4-triazol-4-yl)acetamide
CAS 498571-34-9C11H9N5O2S
1-Methyl-N-[5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl]-1H-pyrazole-3-carboxamide chemical structure, C11H9N5O2S, CAS 1251609-46-7
1-Methyl-N-[5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl]-1H-pyrazole-3-carboxamide
CAS 1251609-46-7C11H9N5O2S
3,6-Dimethyl-N-[(2E)-1,3,4-thiadiazol-2(3H)-ylidene][1,2]oxazolo[5,4-b]pyridine-4-carboxamide chemical structure, C11H9N5O2S, CAS 1282117-33-2
3,6-Dimethyl-N-[(2E)-1,3,4-thiadiazol-2(3H)-ylidene][1,2]oxazolo[5,4-b]pyridine-4-carboxamide
CAS 1282117-33-2C11H9N5O2S
N-((3-Methyl-1,2,4-oxadiazol-5-yl)methyl)benzo[c][1,2,5]thiadiazole-5-carboxamide chemical structure, C11H9N5O2S, CAS 1234867-89-0
N-((3-Methyl-1,2,4-oxadiazol-5-yl)methyl)benzo[c][1,2,5]thiadiazole-5-carboxamide
CAS 1234867-89-0C11H9N5O2S
6-Methyl-4-oxo-N-(thiazol-2-yl)-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide chemical structure, C11H9N5O2S, CAS 1787917-06-9
6-Methyl-4-oxo-N-(thiazol-2-yl)-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide
CAS 1787917-06-9C11H9N5O2S
Acetic acid, (tetrazolo[5,1-a]phthalazin-6-ylthio)-, ethyl ester chemical structure, C11H9N5O2S, CAS 62645-34-5
Acetic acid, (tetrazolo[5,1-a]phthalazin-6-ylthio)-, ethyl ester
CAS 62645-34-5C11H9N5O2S
5H-Thiazolo(3,2-a)pyrimidine-6-carboxamide, 2,3-dihydro-5-oxo-N-2-pyrimidinyl- chemical structure, C11H9N5O2S, CAS 93501-49-6
5H-Thiazolo(3,2-a)pyrimidine-6-carboxamide, 2,3-dihydro-5-oxo-N-2-pyrimidinyl-
CAS 93501-49-6C11H9N5O2S
N-(4-(Furan-2-yl)thiazol-2-yl)-1-methyl-1H-1,2,3-triazole-4-carboxamide chemical structure, C11H9N5O2S, CAS 1207008-33-0
N-(4-(Furan-2-yl)thiazol-2-yl)-1-methyl-1H-1,2,3-triazole-4-carboxamide
CAS 1207008-33-0C11H9N5O2S
2-{[5-(1H-Benzimidazol-6-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide chemical structure, C11H9N5O2S, CAS 606117-07-1
2-{[5-(1H-Benzimidazol-6-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide
CAS 606117-07-1C11H9N5O2S
3-[2-(Methylsulfonyl)-4-pyrimidinyl]pyrazolo[1,5-b]pyridazine chemical structure, C11H9N5O2S, CAS 681432-34-8
3-[2-(Methylsulfonyl)-4-pyrimidinyl]pyrazolo[1,5-b]pyridazine
CAS 681432-34-8C11H9N5O2S
2-Methanesulfonyl-4-[5-azabenzimidazol-1-yl]pyrimidine chemical structure, C11H9N5O2S, CAS 1426231-51-7
2-Methanesulfonyl-4-[5-azabenzimidazol-1-yl]pyrimidine
CAS 1426231-51-7C11H9N5O2S
4-(2-Methyl-8-nitroimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine chemical structure, C11H9N5O2S, CAS 886507-43-3
4-(2-Methyl-8-nitroimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine
CAS 886507-43-3C11H9N5O2S
N-((5-Methyl-1,3,4-oxadiazol-2-yl)methyl)benzo[c][1,2,5]thiadiazole-5-carboxamide chemical structure, C11H9N5O2S, CAS 1203356-94-8
N-((5-Methyl-1,3,4-oxadiazol-2-yl)methyl)benzo[c][1,2,5]thiadiazole-5-carboxamide
CAS 1203356-94-8C11H9N5O2S
6-(Phenylmethanesulfonyl)tetrazolo[1,5-b]pyridazine chemical structure, C11H9N5O2S, CAS 62645-25-4
6-(Phenylmethanesulfonyl)tetrazolo[1,5-b]pyridazine
CAS 62645-25-4C11H9N5O2S

Frequently asked questions

What is the molar mass of C11H9N5O2S?

The molar mass of C11H9N5O2S is 275.29 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 275.0477 Da.

How many compounds have the formula C11H9N5O2S?

CompoundList lists 19 compounds with the molecular formula C11H9N5O2S, including 2-(3-Methyl-5-nitroimidazol-4-yl)sulfanyl-1H-benzimidazole, 2-{[6-(Furan-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]sulfanyl}acetamide, 1,6-Dimethyl-3-(thiophen-2-yl)pyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione. 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 C11H9N5O2S?

C11H9N5O2S has a degree of unsaturation of 10. 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.