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Molecular formula

C18H18N2O3S2

131 compounds have this formula on CompoundList.

Molar mass
374.47g/mol
Monoisotopic mass
374.0759Da
Atoms
43
Elements
5
Rings plus double bonds
11

The formula C18H18N2O3S2 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 3 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 × 1857.73%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 184.85%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 27.48%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 312.82%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 217.12%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C18H18N2O3S2

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

Showing 101 to 131 of 131 compounds

4-(Benzenesulfonyl)-N-(4-methyl-1,3-benzothiazol-2-yl)butanamide chemical structure, C18H18N2O3S2, CAS 899988-85-3
4-(Benzenesulfonyl)-N-(4-methyl-1,3-benzothiazol-2-yl)butanamide
CAS 899988-85-3C18H18N2O3S2
N-(2-Methylbenzo[d]thiazol-5-yl)-4-(phenylsulfonyl)butanamide chemical structure, C18H18N2O3S2, CAS 941966-77-4
N-(2-Methylbenzo[d]thiazol-5-yl)-4-(phenylsulfonyl)butanamide
CAS 941966-77-4C18H18N2O3S2
N-(4,5-Dimethylbenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide chemical structure, C18H18N2O3S2, CAS 941883-70-1
N-(4,5-Dimethylbenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide
CAS 941883-70-1C18H18N2O3S2
N-(5,6-Dimethylbenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide chemical structure, C18H18N2O3S2, CAS 941931-27-7
N-(5,6-Dimethylbenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide
CAS 941931-27-7C18H18N2O3S2
2-(4-(Ethylsulfonyl)phenyl)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide chemical structure, C18H18N2O3S2, CAS 942009-11-2
2-(4-(Ethylsulfonyl)phenyl)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide
CAS 942009-11-2C18H18N2O3S2
2-(4-(Ethylsulfonyl)phenyl)-N-(2-methylbenzo[d]thiazol-6-yl)acetamide chemical structure, C18H18N2O3S2, CAS 941884-23-7
2-(4-(Ethylsulfonyl)phenyl)-N-(2-methylbenzo[d]thiazol-6-yl)acetamide
CAS 941884-23-7C18H18N2O3S2
N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-2-(4-(ethylsulfonyl)phenyl)acetamide chemical structure, C18H18N2O3S2, CAS 919757-85-0
N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-2-(4-(ethylsulfonyl)phenyl)acetamide
CAS 919757-85-0C18H18N2O3S2
2-(Benzylsulfonyl)-N-(4,7-dimethylbenzo[d]thiazol-2-yl)acetamide chemical structure, C18H18N2O3S2, CAS 922451-60-3
2-(Benzylsulfonyl)-N-(4,7-dimethylbenzo[d]thiazol-2-yl)acetamide
CAS 922451-60-3C18H18N2O3S2
Ethyl 3-methyl-4-thiocyanato-5-(2-(p-tolyl)acetamido)thiophene-2-carboxylate chemical structure, C18H18N2O3S2, CAS 923492-68-6
Ethyl 3-methyl-4-thiocyanato-5-(2-(p-tolyl)acetamido)thiophene-2-carboxylate
CAS 923492-68-6C18H18N2O3S2
3-{1-[(3-Methoxyphenyl)methyl]-2-oxo-4-(thiophen-3-yl)azetidin-3-yl}-1,3-thiazolidin-2-one chemical structure, C18H18N2O3S2, CAS 1252095-73-0
3-{1-[(3-Methoxyphenyl)methyl]-2-oxo-4-(thiophen-3-yl)azetidin-3-yl}-1,3-thiazolidin-2-one
CAS 1252095-73-0C18H18N2O3S2
3-Methoxy-N-((4-methyl-2-phenylthiazol-5-yl)methyl)benzenesulfonamide chemical structure, C18H18N2O3S2, CAS 1396860-50-6
3-Methoxy-N-((4-methyl-2-phenylthiazol-5-yl)methyl)benzenesulfonamide
CAS 1396860-50-6C18H18N2O3S2
1-(3,4-Dihydro-2H-1,4-benzothiazin-4-yl)-1-oxopropan-2-yl 2-(methylsulfanyl)pyridine-3-carboxylate chemical structure, C18H18N2O3S2, CAS 1424517-24-7
1-(3,4-Dihydro-2H-1,4-benzothiazin-4-yl)-1-oxopropan-2-yl 2-(methylsulfanyl)pyridine-3-carboxylate
CAS 1424517-24-7C18H18N2O3S2
4-Methoxy-3-methyl-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)benzenesulfonamide chemical structure, C18H18N2O3S2, CAS 1798674-76-6
4-Methoxy-3-methyl-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)benzenesulfonamide
CAS 1798674-76-6C18H18N2O3S2
N1-(2-(benzo[b]thiophen-2-yl)-2-hydroxypropyl)-N2-(thiophen-2-ylmethyl)oxalamide chemical structure, C18H18N2O3S2, CAS 2034569-51-0
N1-(2-(benzo[b]thiophen-2-yl)-2-hydroxypropyl)-N2-(thiophen-2-ylmethyl)oxalamide
CAS 2034569-51-0C18H18N2O3S2
3-(2-Oxo-2-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethyl)benzo[d]oxazol-2(3H)-one chemical structure, C18H18N2O3S2, CAS 1705215-93-5
3-(2-Oxo-2-(7-(thiophen-2-yl)-1,4-thiazepan-4-yl)ethyl)benzo[d]oxazol-2(3H)-one
CAS 1705215-93-5C18H18N2O3S2
8-({1-[(5-Methylthiophen-2-yl)sulfonyl]pyrrolidin-3-yl}oxy)quinoline chemical structure, C18H18N2O3S2, CAS 1902981-39-8
8-({1-[(5-Methylthiophen-2-yl)sulfonyl]pyrrolidin-3-yl}oxy)quinoline
CAS 1902981-39-8C18H18N2O3S2
N-(2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)ethyl)-4,5,6,7-tetrahydrobenzo[d]isoxazole-3-carboxamide chemical structure, C18H18N2O3S2, CAS 2034237-65-3
N-(2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)ethyl)-4,5,6,7-tetrahydrobenzo[d]isoxazole-3-carboxamide
CAS 2034237-65-3C18H18N2O3S2
1-(2,3-Dimethoxyphenyl)-3-(thiophen-2-yl(thiophen-3-yl)methyl)urea chemical structure, C18H18N2O3S2, CAS 2034307-18-9
1-(2,3-Dimethoxyphenyl)-3-(thiophen-2-yl(thiophen-3-yl)methyl)urea
CAS 2034307-18-9C18H18N2O3S2
N-(2-(2-Hydroxyethoxy)-2-(thiophen-3-yl)ethyl)-2-phenylthiazole-4-carboxamide chemical structure, C18H18N2O3S2, CAS 2034616-07-2
N-(2-(2-Hydroxyethoxy)-2-(thiophen-3-yl)ethyl)-2-phenylthiazole-4-carboxamide
CAS 2034616-07-2C18H18N2O3S2
4-(Cyclopropylmethyl)-2-(3-methylsulfanylphenyl)-1,1-dioxo-1lambda6,2,4-benzothiadiazin-3-one chemical structure, C18H18N2O3S2, CAS 2549006-72-4
4-(Cyclopropylmethyl)-2-(3-methylsulfanylphenyl)-1,1-dioxo-1lambda6,2,4-benzothiadiazin-3-one
CAS 2549006-72-4C18H18N2O3S2
3-(Benzenesulfonyl)-N-(4,6-dimethyl-1,3-benzothiazol-2-yl)propanamide chemical structure, C18H18N2O3S2, CAS 851456-70-7
3-(Benzenesulfonyl)-N-(4,6-dimethyl-1,3-benzothiazol-2-yl)propanamide
CAS 851456-70-7C18H18N2O3S2
Ethyl 5-amino-6-cyano-7-(2,5-dimethylthiophen-3-yl)-2-methyl-7H-thieno[3,2-b]pyran-3-carboxylate chemical structure, C18H18N2O3S2, CAS 728000-87-1
Ethyl 5-amino-6-cyano-7-(2,5-dimethylthiophen-3-yl)-2-methyl-7H-thieno[3,2-b]pyran-3-carboxylate
CAS 728000-87-1C18H18N2O3S2
3-(Benzenesulfonyl)-N-(4,5-dimethyl-1,3-benzothiazol-2-yl)propanamide chemical structure, C18H18N2O3S2, CAS 868676-73-7
3-(Benzenesulfonyl)-N-(4,5-dimethyl-1,3-benzothiazol-2-yl)propanamide
CAS 868676-73-7C18H18N2O3S2
3-(Benzenesulfonyl)-N-(4,7-dimethyl-1,3-benzothiazol-2-yl)propanamide chemical structure, C18H18N2O3S2, CAS 868677-66-1
3-(Benzenesulfonyl)-N-(4,7-dimethyl-1,3-benzothiazol-2-yl)propanamide
CAS 868677-66-1C18H18N2O3S2

Frequently asked questions

What is the molar mass of C18H18N2O3S2?

The molar mass of C18H18N2O3S2 is 374.47 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 374.0759 Da.

How many compounds have the formula C18H18N2O3S2?

CompoundList lists 131 compounds with the molecular formula C18H18N2O3S2, including 4-(Benzenesulfonyl)-N-(4-methyl-1,3-benzothiazol-2-yl)butanamide, N-(2-Methylbenzo[d]thiazol-5-yl)-4-(phenylsulfonyl)butanamide, N-(4,5-Dimethylbenzo[d]thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)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 C18H18N2O3S2?

C18H18N2O3S2 has a degree of unsaturation of 11. 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.