CompoundList
Sign in
Molecular formula

C18H12N2O4S

30 compounds have this formula on CompoundList.

Molar mass
352.36g/mol
Monoisotopic mass
352.0518Da
Atoms
37
Elements
5
Rings plus double bonds
14

The formula C18H12N2O4S describes a molecule made of 18 carbon atoms, 12 hydrogen atoms, 2 nitrogen atoms, 4 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 × 1861.36%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.43%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 27.95%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 418.16%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 19.10%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H12N2O4S

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

Showing 1 to 30 of 30 compounds

2-(3-Cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-1,3-dioxoisoindoline-5-carboxylic acid chemical structure, C18H12N2O4S, CAS 847239-94-5
2-(3-Cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-1,3-dioxoisoindoline-5-carboxylic acid
CAS 847239-94-5C18H12N2O4S
N-(6-Methoxy-1,3-benzothiazol-2-yl)-4-oxo-4H-chromene-2-carboxamide chemical structure, C18H12N2O4S, CAS 477546-08-0
N-(6-Methoxy-1,3-benzothiazol-2-yl)-4-oxo-4H-chromene-2-carboxamide
CAS 477546-08-0C18H12N2O4S
N-(4-(5-Methylfuran-2-yl)thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide chemical structure, C18H12N2O4S, CAS 477551-95-4
N-(4-(5-Methylfuran-2-yl)thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide
CAS 477551-95-4C18H12N2O4S
YM 13650 chemical structure, C18H12N2O4S, CAS 87545-58-2
YM 13650
CAS 87545-58-2C18H12N2O4S
Benzo[d]thiazol-2-ylmethyl 2-(1,3-dioxoisoindolin-2-yl)acetate chemical structure, C18H12N2O4S, CAS 391866-90-3
Benzo[d]thiazol-2-ylmethyl 2-(1,3-dioxoisoindolin-2-yl)acetate
CAS 391866-90-3C18H12N2O4S
N-(4-Methoxybenzo[d]thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide chemical structure, C18H12N2O4S, CAS 477554-78-2
N-(4-Methoxybenzo[d]thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide
CAS 477554-78-2C18H12N2O4S
hCAIX-IN-6 chemical structure, C18H12N2O4S, CAS 2451479-86-8
hCAIX-IN-6
CAS 2451479-86-8C18H12N2O4S
4-Oxo-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)-4H-chromene-2-carboxamide chemical structure, C18H12N2O4S, CAS 946211-23-0
4-Oxo-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)-4H-chromene-2-carboxamide
CAS 946211-23-0C18H12N2O4S
(5-(Thiophen-2-yl)isoxazol-3-yl)methyl 2-(1H-indol-3-yl)-2-oxoacetate chemical structure, C18H12N2O4S, CAS 946286-68-6
(5-(Thiophen-2-yl)isoxazol-3-yl)methyl 2-(1H-indol-3-yl)-2-oxoacetate
CAS 946286-68-6C18H12N2O4S
(E)-3-(4-Methoxyphenyl)-5-(2-oxoindolin-3-ylidene)thiazolidine-2,4-dione chemical structure, C18H12N2O4S, CAS 301160-45-2
(E)-3-(4-Methoxyphenyl)-5-(2-oxoindolin-3-ylidene)thiazolidine-2,4-dione
CAS 301160-45-2C18H12N2O4S
5-[3-(4-Nitrophenyl)-2-propen-1-ylidene]-3-phenyl-1,3-thiazolidine-2,4-dione chemical structure, C18H12N2O4S, CAS 5578-12-1
5-[3-(4-Nitrophenyl)-2-propen-1-ylidene]-3-phenyl-1,3-thiazolidine-2,4-dione
CAS 5578-12-1C18H12N2O4S
(5Z)-3-(2-Methoxyphenyl)-5-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-1,3-thiazolidine-2,4-dione chemical structure, C18H12N2O4S, CAS 5620-95-1
(5Z)-3-(2-Methoxyphenyl)-5-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-1,3-thiazolidine-2,4-dione
CAS 5620-95-1C18H12N2O4S
3-(1,3-Benzodioxol-5-ylmethyl)-2-thioxo-2,3-dihydro[1]benzofuro[3,2-d]pyrimidin-4(1H)-one chemical structure, C18H12N2O4S, CAS 892287-67-1
3-(1,3-Benzodioxol-5-ylmethyl)-2-thioxo-2,3-dihydro[1]benzofuro[3,2-d]pyrimidin-4(1H)-one
CAS 892287-67-1C18H12N2O4S
6-(4-Nitrophenyl)pyrrolo[2,1-d][1,5]benzothiazepine 5,5-dioxide chemical structure, C18H12N2O4S, CAS 43093-01-2
6-(4-Nitrophenyl)pyrrolo[2,1-d][1,5]benzothiazepine 5,5-dioxide
CAS 43093-01-2C18H12N2O4S
N-(4-(5-Methylfuran-2-yl)thiazol-2-yl)-2-oxo-2H-chromene-3-carboxamide chemical structure, C18H12N2O4S, CAS 476642-39-4
N-(4-(5-Methylfuran-2-yl)thiazol-2-yl)-2-oxo-2H-chromene-3-carboxamide
CAS 476642-39-4C18H12N2O4S
6-(2-Nitrophenyl)pyrrolo[2,1-d][1,5]benzothiazepine 5,5-dioxide chemical structure, C18H12N2O4S, CAS 43093-00-1
6-(2-Nitrophenyl)pyrrolo[2,1-d][1,5]benzothiazepine 5,5-dioxide
CAS 43093-00-1C18H12N2O4S
5,5'-Sulfanediylbis(2-methyl-1H-isoindole-1,3(2H)-dione) chemical structure, C18H12N2O4S, CAS 91753-05-8
5,5'-Sulfanediylbis(2-methyl-1H-isoindole-1,3(2H)-dione)
CAS 91753-05-8C18H12N2O4S
[5-(Thiophen-2-yl)-1,2-oxazol-3-yl]methyl 5-phenyl-1,3-oxazole-2-carboxylate chemical structure, C18H12N2O4S, CAS 1208711-30-1
[5-(Thiophen-2-yl)-1,2-oxazol-3-yl]methyl 5-phenyl-1,3-oxazole-2-carboxylate
CAS 1208711-30-1C18H12N2O4S
4,4'-Sulfanediylbis(2-methyl-1H-isoindole-1,3(2H)-dione) chemical structure, C18H12N2O4S, CAS 92921-64-7
4,4'-Sulfanediylbis(2-methyl-1H-isoindole-1,3(2H)-dione)
CAS 92921-64-7C18H12N2O4S
2-Oxo-N-(quinolin-3-yl)-2H-chromene-6-sulfonamide chemical structure, C18H12N2O4S, CAS 1374685-05-8
2-Oxo-N-(quinolin-3-yl)-2H-chromene-6-sulfonamide
CAS 1374685-05-8C18H12N2O4S
3-(2-(4-Methoxyphenyl)thiazol-4-yl)benzo[d]isoxazole-5-carboxylic acid chemical structure, C18H12N2O4S, CAS 1422138-48-4
3-(2-(4-Methoxyphenyl)thiazol-4-yl)benzo[d]isoxazole-5-carboxylic acid
CAS 1422138-48-4C18H12N2O4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1,3-benzothiazol-2-yl)propanoate chemical structure, C18H12N2O4S, CAS 2248354-45-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1,3-benzothiazol-2-yl)propanoate
CAS 2248354-45-0C18H12N2O4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(5-methylthiophen-2-yl)-1H-pyrrole-3-carboxylate chemical structure, C18H12N2O4S, CAS 2248348-79-8
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(5-methylthiophen-2-yl)-1H-pyrrole-3-carboxylate
CAS 2248348-79-8C18H12N2O4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (4R)-2-phenyl-4,5-dihydro-1,3-thiazole-4-carboxylate chemical structure, C18H12N2O4S, CAS 2648902-24-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (4R)-2-phenyl-4,5-dihydro-1,3-thiazole-4-carboxylate
CAS 2648902-24-1C18H12N2O4S

Frequently asked questions

What is the molar mass of C18H12N2O4S?

The molar mass of C18H12N2O4S is 352.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 2 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 352.0518 Da.

How many compounds have the formula C18H12N2O4S?

CompoundList lists 30 compounds with the molecular formula C18H12N2O4S, including 2-(3-Cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-1,3-dioxoisoindoline-5-carboxylic acid, N-(6-Methoxy-1,3-benzothiazol-2-yl)-4-oxo-4H-chromene-2-carboxamide, N-(4-(5-Methylfuran-2-yl)thiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide. 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 C18H12N2O4S?

C18H12N2O4S has a degree of unsaturation of 14. 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.