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Molecular formula

C18H12N4O4S

19 compounds have this formula on CompoundList.

Molar mass
380.38g/mol
Monoisotopic mass
380.0579Da
Atoms
39
Elements
5
Rings plus double bonds
15

The formula C18H12N4O4S describes a molecule made of 18 carbon atoms, 12 hydrogen atoms, 4 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 × 1856.84%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.18%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 414.73%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 416.82%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 18.43%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H12N4O4S

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

Showing 1 to 19 of 19 compounds

6-(1,3-Benzodioxol-5-yl)-3-(2,3-dihydro-1,4-benzodioxin-3-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H12N4O4S, CAS 825606-72-2
6-(1,3-Benzodioxol-5-yl)-3-(2,3-dihydro-1,4-benzodioxin-3-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 825606-72-2C18H12N4O4S
N-(5-Methyl-2,1,3-benzothiadiazol-4-yl)-5-(4-nitrophenyl)furan-2-carboxamide chemical structure, C18H12N4O4S, CAS 353761-58-7
N-(5-Methyl-2,1,3-benzothiadiazol-4-yl)-5-(4-nitrophenyl)furan-2-carboxamide
CAS 353761-58-7C18H12N4O4S
2-(Benzofuro[3,2-d]pyrimidin-4-ylthio)-N-(4-nitrophenyl)acetamide chemical structure, C18H12N4O4S, CAS 714935-66-7
2-(Benzofuro[3,2-d]pyrimidin-4-ylthio)-N-(4-nitrophenyl)acetamide
CAS 714935-66-7C18H12N4O4S
N-[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]-1,3-benzothiazole-6-carboxamide chemical structure, C18H12N4O4S, CAS 862808-59-1
N-[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]-1,3-benzothiazole-6-carboxamide
CAS 862808-59-1C18H12N4O4S
N-{6-Nitro-1,3-benzothiazol-2-yl}-5-methyl-3-phenyl-4-isoxazolecarboxamide chemical structure, C18H12N4O4S, CAS 438466-97-8
N-{6-Nitro-1,3-benzothiazol-2-yl}-5-methyl-3-phenyl-4-isoxazolecarboxamide
CAS 438466-97-8C18H12N4O4S
4(3H)-Quinazolinone, 2-((p-nitrophenoxy)methyl)-3-(2-thiazolyl)- chemical structure, C18H12N4O4S, CAS 73342-55-9
4(3H)-Quinazolinone, 2-((p-nitrophenoxy)methyl)-3-(2-thiazolyl)-
CAS 73342-55-9C18H12N4O4S
6-(2H-1,3-Benzodioxol-5-yl)-2-{[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]methyl}-2,3-dihydropyridazin-3-one chemical structure, C18H12N4O4S, CAS 1105250-63-2
6-(2H-1,3-Benzodioxol-5-yl)-2-{[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]methyl}-2,3-dihydropyridazin-3-one
CAS 1105250-63-2C18H12N4O4S
4(3H)-Quinazolinone, 2-((4-nitrophenyl)methoxy)-3-(2-thiazolyl)- chemical structure, C18H12N4O4S, CAS 85178-69-4
4(3H)-Quinazolinone, 2-((4-nitrophenyl)methoxy)-3-(2-thiazolyl)-
CAS 85178-69-4C18H12N4O4S
5H-(1,3,4)Thiadiazolo(3,2-a)(1,3,5)triazine-5,7(6H)-dione, 2-(1,3-benzodioxol-5-yl)-6-(4-methylphenyl)- chemical structure, C18H12N4O4S, CAS 125766-45-2
5H-(1,3,4)Thiadiazolo(3,2-a)(1,3,5)triazine-5,7(6H)-dione, 2-(1,3-benzodioxol-5-yl)-6-(4-methylphenyl)-
CAS 125766-45-2C18H12N4O4S
2-[(5Z)-5-(Furan-2-ylmethylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]-N-(quinoxalin-6-yl)acetamide chemical structure, C18H12N4O4S, CAS 929810-45-7
2-[(5Z)-5-(Furan-2-ylmethylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]-N-(quinoxalin-6-yl)acetamide
CAS 929810-45-7C18H12N4O4S
N-[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]-1,3-benzothiazole-2-carboxamide chemical structure, C18H12N4O4S, CAS 887871-28-5
N-[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1,3,4-oxadiazol-2-yl]-1,3-benzothiazole-2-carboxamide
CAS 887871-28-5C18H12N4O4S
9-Methyl-N-(4-nitrophenyl)-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxamide chemical structure, C18H12N4O4S, CAS 690251-66-2
9-Methyl-N-(4-nitrophenyl)-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxamide
CAS 690251-66-2C18H12N4O4S
N-(Benzo[d]thiazol-2-yl)-5-nitro-N-(pyridin-2-ylmethyl)furan-2-carboxamide chemical structure, C18H12N4O4S, CAS 886902-77-8
N-(Benzo[d]thiazol-2-yl)-5-nitro-N-(pyridin-2-ylmethyl)furan-2-carboxamide
CAS 886902-77-8C18H12N4O4S
9-Methyl-N-(3-nitrophenyl)-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxamide chemical structure, C18H12N4O4S, CAS 690253-38-4
9-Methyl-N-(3-nitrophenyl)-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxamide
CAS 690253-38-4C18H12N4O4S
2-(2-Methylpyrazolo[1,5-a]pyridin-3-yl)-4-(2-nitrophenyl)-1,3-thiazole-5-carboxylic acid chemical structure, C18H12N4O4S, CAS 1239505-42-0
2-(2-Methylpyrazolo[1,5-a]pyridin-3-yl)-4-(2-nitrophenyl)-1,3-thiazole-5-carboxylic acid
CAS 1239505-42-0C18H12N4O4S
2-Cyano-3-(furan-2-yl)-N-{5-[(3-nitrophenyl)methyl]-1,3-thiazol-2-yl}prop-2-enamide chemical structure, C18H12N4O4S, CAS 6142-37-6
2-Cyano-3-(furan-2-yl)-N-{5-[(3-nitrophenyl)methyl]-1,3-thiazol-2-yl}prop-2-enamide
CAS 6142-37-6C18H12N4O4S
6-Nitro-3-[2-(2-phenylhydrazin-1-yl)-1,3-thiazol-4-yl]-2H-chromen-2-one chemical structure, C18H12N4O4S, CAS 676335-74-3
6-Nitro-3-[2-(2-phenylhydrazin-1-yl)-1,3-thiazol-4-yl]-2H-chromen-2-one
CAS 676335-74-3C18H12N4O4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(4H-1,2,4-triazol-3-ylsulfanyl)methyl]benzoate chemical structure, C18H12N4O4S, CAS 2248368-57-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(4H-1,2,4-triazol-3-ylsulfanyl)methyl]benzoate
CAS 2248368-57-0C18H12N4O4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(4H-1,2,4-triazol-3-ylsulfanyl)methyl]benzoate chemical structure, C18H12N4O4S, CAS 2248358-78-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(4H-1,2,4-triazol-3-ylsulfanyl)methyl]benzoate
CAS 2248358-78-1C18H12N4O4S

Frequently asked questions

What is the molar mass of C18H12N4O4S?

The molar mass of C18H12N4O4S is 380.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 4 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 380.0579 Da.

How many compounds have the formula C18H12N4O4S?

CompoundList lists 19 compounds with the molecular formula C18H12N4O4S, including 6-(1,3-Benzodioxol-5-yl)-3-(2,3-dihydro-1,4-benzodioxin-3-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole, N-(5-Methyl-2,1,3-benzothiadiazol-4-yl)-5-(4-nitrophenyl)furan-2-carboxamide, 2-(Benzofuro[3,2-d]pyrimidin-4-ylthio)-N-(4-nitrophenyl)acetamide. 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 C18H12N4O4S?

C18H12N4O4S has a degree of unsaturation of 15. 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.