Molecular formula

C₁₂H₉N₅O₂S

25 compounds have this formula on CompoundList.

Molar mass: 287.30g/mol
Monoisotopic mass: 287.0477Da
Atoms: 29
Elements: 5
Rings plus double bonds: 11

The formula C12H9N5O2S describes a molecule made of 12 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 × 1250.17%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 93.16%
1.008 × 9 = 9.072 g/mol
N Nitrogen × 524.38%
14.007 × 5 = 70.035 g/mol
O Oxygen × 211.14%
15.999 × 2 = 31.998 g/mol
S Sulfur × 111.16%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C12H9N5O2S

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

Showing 1 to 25 of 25 compounds

2-((3-(Pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetic acid

CAS 868969-36-2C₁₂H₉N₅O₂S

1-(4-Methyl-3-nitrophenyl)-5-(2-thienyl)-1H-tetrazole

CAS 332906-73-7C₁₂H₉N₅O₂S

9-[(3-Nitrophenyl)methyl]-3H-purine-6-thione

CAS 6945-06-8C₁₂H₉N₅O₂S

5-Amino-1-[(4-methylphenyl)sulfonyl]-1H-pyrazole-3,4-dicarbonitrile

CAS 91394-44-4C₁₂H₉N₅O₂S

6-(4-Nitrobenzylthio)-purine

CAS 5434-26-4C₁₂H₉N₅O₂S

3-(Pyrazin-2-yl)-N-(thiophen-2-ylmethyl)-1,2,4-oxadiazole-5-carboxamide

CAS 1219914-25-6C₁₂H₉N₅O₂S

6-[(3-Nitrophenyl)methylsulfanyl]-7H-purine

CAS 5069-70-5C₁₂H₉N₅O₂S

Purine, 6-((o-nitrobenzyl)thio)-

CAS 5069-63-6C₁₂H₉N₅O₂S

8-[(4-Methyl-4H-1,2,4-triazol-3-yl)sulfanyl]-5-nitroquinoline

CAS 345991-02-8C₁₂H₉N₅O₂S

Thiazole, 2-(3,4-methylenedioxyphenyl)-4-(5(1H)-tetrazolylmethyl)-

CAS 55315-47-4C₁₂H₉N₅O₂S

2-(4-Oxo-1,2,3-benzotriazin-3(4H)-yl)-N-(1,3-thiazol-2-yl)acetamide

CAS 904011-80-9C₁₂H₉N₅O₂S

8-(Benzo[d][1,3]dioxol-5-ylthio)-9H-purin-6-amine

CAS 873436-88-5C₁₂H₉N₅O₂S

3-(2-Methyl-3-furyl)-6-(5-methyl-3-isoxazolyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole

CAS 954837-51-5C₁₂H₉N₅O₂S

3-Methyl-4-oxo-N-(1,3,4-thiadiazol-2-yl)-3,4-dihydrophthalazine-1-carboxamide

CAS 1061154-95-7C₁₂H₉N₅O₂S

2-(1-Oxophthalazin-2(1H)-yl)-N-(1,3,4-thiadiazol-2-yl)acetamide

CAS 1282102-75-3C₁₂H₉N₅O₂S

N-[2-(3-Methyl-1,2,4-oxadiazol-5-yl)thiophen-3-yl]pyrazine-2-carboxamide

CAS 1797076-40-4C₁₂H₉N₅O₂S

N-(Benzo[c][1,2,5]thiadiazol-4-yl)-1-methyl-6-oxo-1,6-dihydropyridazine-3-carboxamide

CAS 1219911-51-9C₁₂H₉N₅O₂S

N-(5-Methylisoxazol-3-yl)-2-(pyrazin-2-yl)thiazole-4-carboxamide

CAS 1235144-22-5C₁₂H₉N₅O₂S

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

CAS 2034633-89-9C₁₂H₉N₅O₂S

6-Methyl-1-(4-nitrophenyl)-1H-pyrazolo[3,4-D]pyrimidine-4-thiol

CAS 5399-42-8C₁₂H₉N₅O₂S

9-[(4-Nitrophenyl)methyl]-3H-purine-6-thione

CAS 6941-00-0C₁₂H₉N₅O₂S

3-(Methylthio)-6-(3-nitrophenyl)-[1,2,4]triazolo[4,3-b]pyridazine

CAS 894055-57-3C₁₂H₉N₅O₂S

4-Methyl-N-(5-phenyl-1,3,4-oxadiazol-2-yl)-1,2,3-thiadiazole-5-carboxamide

CAS 1207048-79-0C₁₂H₉N₅O₂S

N-(6-Methoxypyrimidin-4-yl)benzo[c][1,2,5]thiadiazole-5-carboxamide

CAS 1396851-41-4C₁₂H₉N₅O₂S

9-Methyl-6-[(4-nitrophenyl)sulfanyl]-9H-purine
51302-03-5C₁₂H₉N₅O₂S

Frequently asked questions

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What is the molar mass of C12H9N5O2S?

The molar mass of C12H9N5O2S is 287.30 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 287.0477 Da.

How many compounds have the formula C12H9N5O2S?

CompoundList lists 25 compounds with the molecular formula C12H9N5O2S, including 2-((3-(Pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetic acid, 1-(4-Methyl-3-nitrophenyl)-5-(2-thienyl)-1H-tetrazole, 9-[(3-Nitrophenyl)methyl]-3H-purine-6-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 C12H9N5O2S?

C12H9N5O2S 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.