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Molecular formula

C18H16N4O4S2

25 compounds have this formula on CompoundList.

Molar mass
416.47g/mol
Monoisotopic mass
416.0613Da
Atoms
44
Elements
5
Rings plus double bonds
13

The formula C18H16N4O4S2 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 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 × 1851.91%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 163.87%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 413.45%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 415.37%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 215.40%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H16N4O4S2

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

Showing 1 to 25 of 25 compounds

RefChem:382117 chemical structure, C18H16N4O4S2, CAS 5971-01-7
RefChem:382117
CAS 5971-01-7C18H16N4O4S2
N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-methyl-5-nitrobenzenesulfonamide chemical structure, C18H16N4O4S2, CAS 893987-95-6
N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-methyl-5-nitrobenzenesulfonamide
CAS 893987-95-6C18H16N4O4S2
4-[(4-Acetamidophenyl)sulfonylamino]-N-(1,3-thiazol-2-yl)benzamide chemical structure, C18H16N4O4S2, CAS 351424-28-7
4-[(4-Acetamidophenyl)sulfonylamino]-N-(1,3-thiazol-2-yl)benzamide
CAS 351424-28-7C18H16N4O4S2
2-((3-Allyl-6-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(3-nitrophenyl)acetamide chemical structure, C18H16N4O4S2, CAS 923250-03-7
2-((3-Allyl-6-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(3-nitrophenyl)acetamide
CAS 923250-03-7C18H16N4O4S2
N1-(benzo[d]thiazol-2-yl)-N2-(4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)oxalamide chemical structure, C18H16N4O4S2, CAS 941888-84-2
N1-(benzo[d]thiazol-2-yl)-N2-(4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)oxalamide
CAS 941888-84-2C18H16N4O4S2
2-({[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one chemical structure, C18H16N4O4S2, CAS 1040673-44-6
2-({[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one
CAS 1040673-44-6C18H16N4O4S2
N-(2-Carbamoylphenyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide chemical structure, C18H16N4O4S2, CAS 1171475-34-5
N-(2-Carbamoylphenyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide
CAS 1171475-34-5C18H16N4O4S2
N-(4-Carbamoylphenyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide chemical structure, C18H16N4O4S2, CAS 1170299-74-7
N-(4-Carbamoylphenyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide
CAS 1170299-74-7C18H16N4O4S2
3,5-Dimethyl-N-(4-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)isoxazole-4-sulfonamide chemical structure, C18H16N4O4S2, CAS 1172299-91-0
3,5-Dimethyl-N-(4-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)isoxazole-4-sulfonamide
CAS 1172299-91-0C18H16N4O4S2
N-(2-Methoxy-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)thiophene-2-sulfonamide chemical structure, C18H16N4O4S2, CAS 952998-19-5
N-(2-Methoxy-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)thiophene-2-sulfonamide
CAS 952998-19-5C18H16N4O4S2
N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-methylbenzo[d]thiazole-6-sulfonamide chemical structure, C18H16N4O4S2, CAS 946340-39-2
N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-methylbenzo[d]thiazole-6-sulfonamide
CAS 946340-39-2C18H16N4O4S2
Methyl 2-(benzo[d]thiazole-6-carboxamido)-3-carbamoyl-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate chemical structure, C18H16N4O4S2, CAS 886953-72-6
Methyl 2-(benzo[d]thiazole-6-carboxamido)-3-carbamoyl-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate
CAS 886953-72-6C18H16N4O4S2
4-Acetamido-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]benzamide chemical structure, C18H16N4O4S2, CAS 460045-27-6
4-Acetamido-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]benzamide
CAS 460045-27-6C18H16N4O4S2
N-[5-[(3-Methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-2-(4-nitrophenoxy)acetamide chemical structure, C18H16N4O4S2, CAS 826999-06-8
N-[5-[(3-Methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-2-(4-nitrophenoxy)acetamide
CAS 826999-06-8C18H16N4O4S2
N-[5-[(2-Methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-2-(2-nitrophenoxy)acetamide chemical structure, C18H16N4O4S2, CAS 874355-10-9
N-[5-[(2-Methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]-2-(2-nitrophenoxy)acetamide
CAS 874355-10-9C18H16N4O4S2
N1-(5,5-dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(thiophen-2-ylmethyl)oxalamide chemical structure, C18H16N4O4S2, CAS 899733-19-8
N1-(5,5-dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(thiophen-2-ylmethyl)oxalamide
CAS 899733-19-8C18H16N4O4S2
N-(6-(3-Oxopiperazine-1-carbonyl)benzo[d]thiazol-2-yl)benzenesulfonamide chemical structure, C18H16N4O4S2, CAS 1144437-15-9
N-(6-(3-Oxopiperazine-1-carbonyl)benzo[d]thiazol-2-yl)benzenesulfonamide
CAS 1144437-15-9C18H16N4O4S2
1,4-Bis(3-nitrobenzenecarbothioyl)piperazine chemical structure, C18H16N4O4S2, CAS 899351-27-0
1,4-Bis(3-nitrobenzenecarbothioyl)piperazine
CAS 899351-27-0C18H16N4O4S2
2-({[3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one chemical structure, C18H16N4O4S2, CAS 1040673-52-6
2-({[3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one
CAS 1040673-52-6C18H16N4O4S2
2-({[3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one chemical structure, C18H16N4O4S2, CAS 1040673-60-6
2-({[3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one
CAS 1040673-60-6C18H16N4O4S2
(Z)-4-Cyano-N-(3-(2-methoxyethyl)-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)benzamide chemical structure, C18H16N4O4S2, CAS 865159-82-6
(Z)-4-Cyano-N-(3-(2-methoxyethyl)-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)benzamide
CAS 865159-82-6C18H16N4O4S2
4-[2-(2-Benzenesulfonamido-1,3-thiazol-4-yl)acetamido]benzamide chemical structure, C18H16N4O4S2, CAS 921910-79-4
4-[2-(2-Benzenesulfonamido-1,3-thiazol-4-yl)acetamido]benzamide
CAS 921910-79-4C18H16N4O4S2
Methyl 2-(benzo[d]thiazole-2-carboxamido)-3-carbamoyl-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate chemical structure, C18H16N4O4S2, CAS 886951-02-6
Methyl 2-(benzo[d]thiazole-2-carboxamido)-3-carbamoyl-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate
CAS 886951-02-6C18H16N4O4S2
Benzyl 2-((5-(5-cyclopropylisoxazole-3-carboxamido)-1,3,4-thiadiazol-2-yl)thio)acetate chemical structure, C18H16N4O4S2, CAS 1351620-43-3
Benzyl 2-((5-(5-cyclopropylisoxazole-3-carboxamido)-1,3,4-thiadiazol-2-yl)thio)acetate
CAS 1351620-43-3C18H16N4O4S2

Frequently asked questions

What is the molar mass of C18H16N4O4S2?

The molar mass of C18H16N4O4S2 is 416.47 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 416.0613 Da.

How many compounds have the formula C18H16N4O4S2?

CompoundList lists 25 compounds with the molecular formula C18H16N4O4S2, including RefChem:382117, N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-methyl-5-nitrobenzenesulfonamide, 4-[(4-Acetamidophenyl)sulfonylamino]-N-(1,3-thiazol-2-yl)benzamide. 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 C18H16N4O4S2?

C18H16N4O4S2 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.