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Molecular formula

C18H13Cl2N3O3S

15 compounds have this formula on CompoundList.

Molar mass
422.28g/mol
Monoisotopic mass
421.0055Da
Atoms
40
Elements
6
Rings plus double bonds
13

The formula C18H13Cl2N3O3S describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 2 chlorine atoms, 3 nitrogen atoms, 3 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 × 1851.20%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 133.10%
    1.008 × 13 = 13.104 g/mol
  • Cl Chlorine × 216.79%
    35.45 × 2 = 70.900 g/mol
  • N Nitrogen × 39.95%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 311.37%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 17.59%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H13Cl2N3O3S

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

Showing 1 to 15 of 15 compounds

Contrast agent CS-1000 chemical structure, C18H13Cl2N3O3S, CAS 1246086-78-1
Contrast agent CS-1000
CAS 1246086-78-1C18H13Cl2N3O3S
6-Chloro-N-[3-[(2-chlorophenyl)sulfamoyl]phenyl]-3-pyridinecarboxamide chemical structure, C18H13Cl2N3O3S, CAS 790706-49-9
6-Chloro-N-[3-[(2-chlorophenyl)sulfamoyl]phenyl]-3-pyridinecarboxamide
CAS 790706-49-9C18H13Cl2N3O3S
6-Chloro-N-{3-[(4-chlorophenyl)sulfamoyl]phenyl}pyridine-3-carboxamide chemical structure, C18H13Cl2N3O3S, CAS 326870-94-4
6-Chloro-N-{3-[(4-chlorophenyl)sulfamoyl]phenyl}pyridine-3-carboxamide
CAS 326870-94-4C18H13Cl2N3O3S
3-[[2-(2,4-Dichlorophenoxy)acetyl]amino]-N-(1,3-thiazol-2-yl)benzamide chemical structure, C18H13Cl2N3O3S, CAS 444116-44-3
3-[[2-(2,4-Dichlorophenoxy)acetyl]amino]-N-(1,3-thiazol-2-yl)benzamide
CAS 444116-44-3C18H13Cl2N3O3S
4-Chloro-N-[2-(3-chlorophenyl)-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide chemical structure, C18H13Cl2N3O3S, CAS 449789-28-0
4-Chloro-N-[2-(3-chlorophenyl)-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide
CAS 449789-28-0C18H13Cl2N3O3S
3-Chloro-N-(2-(3-chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide chemical structure, C18H13Cl2N3O3S, CAS 449789-25-7
3-Chloro-N-(2-(3-chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide
CAS 449789-25-7C18H13Cl2N3O3S
1-(3,4-Dichlorobenzyl)-2-oxo-N'-(thiophene-2-carbonyl)-1,2-dihydropyridine-3-carbohydrazide chemical structure, C18H13Cl2N3O3S, CAS 1105212-64-3
1-(3,4-Dichlorobenzyl)-2-oxo-N'-(thiophene-2-carbonyl)-1,2-dihydropyridine-3-carbohydrazide
CAS 1105212-64-3C18H13Cl2N3O3S
2-[[5-(1,3-Benzodioxol-5-yl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-1-(2,4-dichlorophenyl)ethanone chemical structure, C18H13Cl2N3O3S, CAS 496776-26-2
2-[[5-(1,3-Benzodioxol-5-yl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-1-(2,4-dichlorophenyl)ethanone
CAS 496776-26-2C18H13Cl2N3O3S
Methyl 4-(2,4-dichlorophenyl)-5-methyl-2-(pyrazine-2-carbonylamino)thiophene-3-carboxylate chemical structure, C18H13Cl2N3O3S, CAS 495377-89-4
Methyl 4-(2,4-dichlorophenyl)-5-methyl-2-(pyrazine-2-carbonylamino)thiophene-3-carboxylate
CAS 495377-89-4C18H13Cl2N3O3S
2,4-Dichloro-N-(5,5-dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide chemical structure, C18H13Cl2N3O3S, CAS 681265-73-6
2,4-Dichloro-N-(5,5-dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide
CAS 681265-73-6C18H13Cl2N3O3S
({3-[(2-Chlorophenyl)methyl]-2,3-dihydro-1,3-thiazol-2-ylidene}carbamoyl)methyl 2-chloropyridine-3-carboxylate chemical structure, C18H13Cl2N3O3S, CAS 926386-78-9
({3-[(2-Chlorophenyl)methyl]-2,3-dihydro-1,3-thiazol-2-ylidene}carbamoyl)methyl 2-chloropyridine-3-carboxylate
CAS 926386-78-9C18H13Cl2N3O3S
2,5-Dichloro-N-[3-(6-methanesulfonylpyridazin-3-yl)phenyl]benzamide chemical structure, C18H13Cl2N3O3S, CAS 946251-91-8
2,5-Dichloro-N-[3-(6-methanesulfonylpyridazin-3-yl)phenyl]benzamide
CAS 946251-91-8C18H13Cl2N3O3S
N-{5-[(2H-1,3-benzodioxol-5-yl)methyl]-4-methyl-1,3-thiazol-2-yl}-3,6-dichloropyridine-2-carboxamide chemical structure, C18H13Cl2N3O3S, CAS 1110962-46-3
N-{5-[(2H-1,3-benzodioxol-5-yl)methyl]-4-methyl-1,3-thiazol-2-yl}-3,6-dichloropyridine-2-carboxamide
CAS 1110962-46-3C18H13Cl2N3O3S
N-[4-[(3,4-Dichlorophenyl)sulfamoyl]phenyl]pyridine-3-carboxamide chemical structure, C18H13Cl2N3O3S, CAS 830339-47-4
N-[4-[(3,4-Dichlorophenyl)sulfamoyl]phenyl]pyridine-3-carboxamide
CAS 830339-47-4C18H13Cl2N3O3S
Methyl 2-{2-[(5,7-dichloroquinazolin-4-yl)sulfanyl]acetamido}benzoate chemical structure, C18H13Cl2N3O3S, CAS 2308096-84-4
Methyl 2-{2-[(5,7-dichloroquinazolin-4-yl)sulfanyl]acetamido}benzoate
CAS 2308096-84-4C18H13Cl2N3O3S

Frequently asked questions

What is the molar mass of C18H13Cl2N3O3S?

The molar mass of C18H13Cl2N3O3S is 422.28 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 2 chlorine atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 421.0055 Da.

How many compounds have the formula C18H13Cl2N3O3S?

CompoundList lists 15 compounds with the molecular formula C18H13Cl2N3O3S, including Contrast agent CS-1000, 6-Chloro-N-[3-[(2-chlorophenyl)sulfamoyl]phenyl]-3-pyridinecarboxamide, 6-Chloro-N-{3-[(4-chlorophenyl)sulfamoyl]phenyl}pyridine-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 C18H13Cl2N3O3S?

C18H13Cl2N3O3S 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.