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Molecular formula

C18H13NO4S2

21 compounds have this formula on CompoundList.

Molar mass
371.42g/mol
Monoisotopic mass
371.0286Da
Atoms
38
Elements
5
Rings plus double bonds
13

The formula C18H13NO4S2 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom, 4 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 × 1858.21%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 133.53%
    1.008 × 13 = 13.104 g/mol
  • N Nitrogen × 13.77%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 417.23%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 217.26%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H13NO4S2

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

Showing 1 to 21 of 21 compounds

1-(Furan-2-ylmethyl)-4-hydroxy-3-(thiophene-2-carbonyl)-2-thiophen-2-yl-2H-pyrrol-5-one chemical structure, C18H13NO4S2, CAS 618376-04-8
1-(Furan-2-ylmethyl)-4-hydroxy-3-(thiophene-2-carbonyl)-2-thiophen-2-yl-2H-pyrrol-5-one
CAS 618376-04-8C18H13NO4S2
(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-3-(4-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H13NO4S2, CAS 302823-86-5
(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-3-(4-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one
CAS 302823-86-5C18H13NO4S2
2-[4-[(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]acetic acid chemical structure, C18H13NO4S2, CAS 88590-46-9
2-[4-[(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]acetic acid
CAS 88590-46-9C18H13NO4S2
3-[5-[[4-Oxo-3-(2-propen-1-yl)-2-thioxo-5-thiazolidinylidene]methyl]-2-furanyl]benzoic Acid chemical structure, C18H13NO4S2, CAS 299904-95-3
3-[5-[[4-Oxo-3-(2-propen-1-yl)-2-thioxo-5-thiazolidinylidene]methyl]-2-furanyl]benzoic Acid
CAS 299904-95-3C18H13NO4S2
[4-Oxo-5-(3-phenoxybenzylidene)-2-thioxo-1,3-thiazolidin-3-yl]acetic acid chemical structure, C18H13NO4S2, CAS 1103516-15-9
[4-Oxo-5-(3-phenoxybenzylidene)-2-thioxo-1,3-thiazolidin-3-yl]acetic acid
CAS 1103516-15-9C18H13NO4S2
4-{(Z)-[3-(3-Methoxyphenyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}benzoic acid chemical structure, C18H13NO4S2, CAS 5854-80-8
4-{(Z)-[3-(3-Methoxyphenyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}benzoic acid
CAS 5854-80-8C18H13NO4S2
Methyl 4-{(Z)-[3-(3-hydroxyphenyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}benzoate chemical structure, C18H13NO4S2, CAS 307342-72-9
Methyl 4-{(Z)-[3-(3-hydroxyphenyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}benzoate
CAS 307342-72-9C18H13NO4S2
(Z)-Methyl 4-((3-(4-hydroxyphenyl)-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzoate chemical structure, C18H13NO4S2, CAS 306323-51-3
(Z)-Methyl 4-((3-(4-hydroxyphenyl)-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzoate
CAS 306323-51-3C18H13NO4S2
(Z)-2-((3-(3-Methoxyphenyl)-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzoic acid chemical structure, C18H13NO4S2, CAS 303056-63-5
(Z)-2-((3-(3-Methoxyphenyl)-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzoic acid
CAS 303056-63-5C18H13NO4S2
(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-3-(3-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H13NO4S2, CAS 314751-76-3
(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-3-(3-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one
CAS 314751-76-3C18H13NO4S2
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-5-(2-methoxybenzylidene)-2-thioxothiazolidin-4-one chemical structure, C18H13NO4S2, CAS 638140-06-4
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-5-(2-methoxybenzylidene)-2-thioxothiazolidin-4-one
CAS 638140-06-4C18H13NO4S2
(5Z)-5-(1,3-Benzodioxol-5-ylmethylene)-3-(2-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one chemical structure, C18H13NO4S2, CAS 308292-29-7
(5Z)-5-(1,3-Benzodioxol-5-ylmethylene)-3-(2-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one
CAS 308292-29-7C18H13NO4S2
4-({2-[(E)-(4-Oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]phenoxy}methyl)benzoic acid chemical structure, C18H13NO4S2, CAS 428482-30-8
4-({2-[(E)-(4-Oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]phenoxy}methyl)benzoic acid
CAS 428482-30-8C18H13NO4S2
3-[(5Z)-5-(2-Methoxybenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]benzoic acid chemical structure, C18H13NO4S2, CAS 6246-69-1
3-[(5Z)-5-(2-Methoxybenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]benzoic acid
CAS 6246-69-1C18H13NO4S2
4-{5-[(2-Methoxyphenyl)methylene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}benzoic acid chemical structure, C18H13NO4S2, CAS 638138-99-5
4-{5-[(2-Methoxyphenyl)methylene]-4-oxo-2-thioxo-1,3-thiazolidin-3-yl}benzoic acid
CAS 638138-99-5C18H13NO4S2
N-((5-(Thiophene-2-carbonyl)thiophen-2-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C18H13NO4S2, CAS 1421526-01-3
N-((5-(Thiophene-2-carbonyl)thiophen-2-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1421526-01-3C18H13NO4S2
2-[4-[(E)-(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]acetic acid chemical structure, C18H13NO4S2
2-[4-[(E)-(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]acetic acid
C18H13NO4S2
{2-[(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy}acetic acid chemical structure, C18H13NO4S2, CAS 88590-45-8
{2-[(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy}acetic acid
CAS 88590-45-8C18H13NO4S2
1-(Benzenesulfonyl)-4-[(4-nitrophenyl)sulfanyl]benzene chemical structure, C18H13NO4S2, CAS 62489-05-8
1-(Benzenesulfonyl)-4-[(4-nitrophenyl)sulfanyl]benzene
CAS 62489-05-8C18H13NO4S2
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(1,3-dithiolan-2-yl)benzoate chemical structure, C18H13NO4S2, CAS 2248400-46-4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(1,3-dithiolan-2-yl)benzoate
CAS 2248400-46-4C18H13NO4S2
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetate chemical structure, C18H13NO4S2, CAS 2248370-66-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetate
CAS 2248370-66-1C18H13NO4S2

Frequently asked questions

What is the molar mass of C18H13NO4S2?

The molar mass of C18H13NO4S2 is 371.42 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 371.0286 Da.

How many compounds have the formula C18H13NO4S2?

CompoundList lists 21 compounds with the molecular formula C18H13NO4S2, including 1-(Furan-2-ylmethyl)-4-hydroxy-3-(thiophene-2-carbonyl)-2-thiophen-2-yl-2H-pyrrol-5-one, (5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-3-(4-methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one, 2-[4-[(4-Oxo-3-phenyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]phenoxy]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 C18H13NO4S2?

C18H13NO4S2 has a degree of unsaturation of 13. 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.