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Molecular formula

C12H9NO3S2

19 compounds have this formula on CompoundList.

Molar mass
279.33g/mol
Monoisotopic mass
279.0024Da
Atoms
27
Elements
5
Rings plus double bonds
9

The formula C12H9NO3S2 describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 2 sulfur atoms. 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 × 1251.60%
    12.011 × 12 = 144.132 g/mol
  • H Hydrogen × 93.25%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 15.01%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 317.18%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 222.96%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C12H9NO3S2

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

Showing 1 to 19 of 19 compounds

[(5Z)-5-Benzylidene-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetic acid chemical structure, C12H9NO3S2, CAS 82159-06-6
[(5Z)-5-Benzylidene-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetic acid
CAS 82159-06-6C12H9NO3S2
1-(5-Phenylsulfanyl-4-nitro-2-thienyl)ethanone chemical structure, C12H9NO3S2, CAS 90680-28-7
1-(5-Phenylsulfanyl-4-nitro-2-thienyl)ethanone
CAS 90680-28-7C12H9NO3S2
(5-Benzylidene-4-oxo-2-thioxo-thiazolidin-3-yl)acetic acid chemical structure, C12H9NO3S2, CAS 1431637-29-4
(5-Benzylidene-4-oxo-2-thioxo-thiazolidin-3-yl)acetic acid
CAS 1431637-29-4C12H9NO3S2
Methyl 4-[(Z)-(4-oxo-2-sulfanyl-1,3-thiazol-5(4H)-ylidene)methyl]benzoate chemical structure, C12H9NO3S2, CAS 304861-41-4
Methyl 4-[(Z)-(4-oxo-2-sulfanyl-1,3-thiazol-5(4H)-ylidene)methyl]benzoate
CAS 304861-41-4C12H9NO3S2
Methyl 4-[(E)-(2-mercapto-4-oxo-1,3-thiazol-5(4H)-ylidene)methyl]benzoate chemical structure, C12H9NO3S2
Methyl 4-[(E)-(2-mercapto-4-oxo-1,3-thiazol-5(4H)-ylidene)methyl]benzoate
C12H9NO3S2
4-[(Z)-(4-Oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]phenyl acetate chemical structure, C12H9NO3S2, CAS 339283-50-0
4-[(Z)-(4-Oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]phenyl acetate
CAS 339283-50-0C12H9NO3S2
(Z)-4-((3-Methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzoic acid chemical structure, C12H9NO3S2, CAS 1474053-19-4
(Z)-4-((3-Methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzoic acid
CAS 1474053-19-4C12H9NO3S2
5H-1,4-Dithiino(2,3-c)pyrrole-5,7(6H)-dione, 2,3-dihydro-6-(4-hydroxyphenyl)- chemical structure, C12H9NO3S2, CAS 24519-41-3
5H-1,4-Dithiino(2,3-c)pyrrole-5,7(6H)-dione, 2,3-dihydro-6-(4-hydroxyphenyl)-
CAS 24519-41-3C12H9NO3S2
2-({4-Methyl-5,12-dithia-3-azatricyclo[7.3.0.0,2,6]dodeca-1,3,6,8,10-pentaen-8-yl}oxy)acetic acid chemical structure, C12H9NO3S2, CAS 926211-05-4
2-({4-Methyl-5,12-dithia-3-azatricyclo[7.3.0.0,2,6]dodeca-1,3,6,8,10-pentaen-8-yl}oxy)acetic acid
CAS 926211-05-4C12H9NO3S2
[2-[(Z)-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenyl] acetate chemical structure, C12H9NO3S2, CAS 99970-21-5
[2-[(Z)-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenyl] acetate
CAS 99970-21-5C12H9NO3S2
2-Thioxo-5-(2,3-dihydro-1,4-benzodioxin-6-ylmethylene)thiazolidine-4-one chemical structure, C12H9NO3S2, CAS 876546-80-4
2-Thioxo-5-(2,3-dihydro-1,4-benzodioxin-6-ylmethylene)thiazolidine-4-one
CAS 876546-80-4C12H9NO3S2
Thieno(3,2-C)(1)benzothiepin-10(4H)-one, 9-amino-, 5,5-dioxide chemical structure, C12H9NO3S2, CAS 1022179-00-5
Thieno(3,2-C)(1)benzothiepin-10(4H)-one, 9-amino-, 5,5-dioxide
CAS 1022179-00-5C12H9NO3S2
5-(2-Carboxy-alpha-methylbenzylidene)rhodanine chemical structure, C12H9NO3S2, CAS 56661-84-8
5-(2-Carboxy-alpha-methylbenzylidene)rhodanine
CAS 56661-84-8C12H9NO3S2
4-[(1,3-Benzothiazol-2-ylsulfanyl)methyl]-5-methyl-1,3-dioxol-2-one chemical structure, C12H9NO3S2, CAS 1020242-03-8
4-[(1,3-Benzothiazol-2-ylsulfanyl)methyl]-5-methyl-1,3-dioxol-2-one
CAS 1020242-03-8C12H9NO3S2
5-[(E)-1,3-Benzodioxol-5-ylmethylidene]-2-(methylsulfanyl)-1,3-thiazol-4(5H)-one chemical structure, C12H9NO3S2, CAS 719286-35-8
5-[(E)-1,3-Benzodioxol-5-ylmethylidene]-2-(methylsulfanyl)-1,3-thiazol-4(5H)-one
CAS 719286-35-8C12H9NO3S2
5-((4-Hydroxybenzo[b]thiophen-7-yl)methyl)thiazolidine-2,4-dione chemical structure, C12H9NO3S2, CAS 213455-13-1
5-((4-Hydroxybenzo[b]thiophen-7-yl)methyl)thiazolidine-2,4-dione
CAS 213455-13-1C12H9NO3S2
Methyl 4-[(4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]benzoate chemical structure, C12H9NO3S2
Methyl 4-[(4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]benzoate
C12H9NO3S2
4-[(2-Nitrophenyl)disulfanyl]phenol chemical structure, C12H9NO3S2, CAS 21101-58-6
4-[(2-Nitrophenyl)disulfanyl]phenol
CAS 21101-58-6C12H9NO3S2
4-[(1-Oxo-1lambda~5~-pyridin-2-yl)disulfanyl]benzoic acid chemical structure, C12H9NO3S2, CAS 90829-81-5
4-[(1-Oxo-1lambda~5~-pyridin-2-yl)disulfanyl]benzoic acid
CAS 90829-81-5C12H9NO3S2

Frequently asked questions

What is the molar mass of C12H9NO3S2?

The molar mass of C12H9NO3S2 is 279.33 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 279.0024 Da.

How many compounds have the formula C12H9NO3S2?

CompoundList lists 19 compounds with the molecular formula C12H9NO3S2, including [(5Z)-5-Benzylidene-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]acetic acid, 1-(5-Phenylsulfanyl-4-nitro-2-thienyl)ethanone, (5-Benzylidene-4-oxo-2-thioxo-thiazolidin-3-yl)acetic acid. 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 C12H9NO3S2?

C12H9NO3S2 has a degree of unsaturation of 9. 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.