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Molecular formula

C20H18N2O3S

221 compounds have this formula on CompoundList.

Molar mass
366.44g/mol
Monoisotopic mass
366.1038Da
Atoms
44
Elements
5
Rings plus double bonds
13

The formula C20H18N2O3S describes a molecule made of 20 carbon atoms, 18 hydrogen atoms, 2 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 × 2065.56%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 184.95%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 27.65%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 313.10%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.75%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C20H18N2O3S

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

Showing 201 to 221 of 221 compounds

N-(2,5-Dimethylphenyl)-1-methyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide chemical structure, C20H18N2O3S, CAS 920117-99-3
N-(2,5-Dimethylphenyl)-1-methyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide
CAS 920117-99-3C20H18N2O3S
1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-{[(2-methylphenyl)methyl]sulfanyl}-1,2-dihydropyrazin-2-one chemical structure, C20H18N2O3S, CAS 899743-63-6
1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-{[(2-methylphenyl)methyl]sulfanyl}-1,2-dihydropyrazin-2-one
CAS 899743-63-6C20H18N2O3S
N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-2-(2-phenyl-1H-indol-1-yl)acetamide chemical structure, C20H18N2O3S, CAS 1081121-63-2
N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-2-(2-phenyl-1H-indol-1-yl)acetamide
CAS 1081121-63-2C20H18N2O3S
6-(Benzenesulfonyl)-2-phenyl-5,6,7,8-tetrahydro-3H-quinazolin-4-one chemical structure, C20H18N2O3S, CAS 908009-77-8
6-(Benzenesulfonyl)-2-phenyl-5,6,7,8-tetrahydro-3H-quinazolin-4-one
CAS 908009-77-8C20H18N2O3S
Methyl 2-{2-[(cyclopropylmethyl)sulfanyl]-4-oxo-3,4-dihydroquinazolin-3-yl}benzoate chemical structure, C20H18N2O3S, CAS 2877646-06-3
Methyl 2-{2-[(cyclopropylmethyl)sulfanyl]-4-oxo-3,4-dihydroquinazolin-3-yl}benzoate
CAS 2877646-06-3C20H18N2O3S
4-[5-(4-Nitrophenyl)-3-phenylthiophen-2-yl]morpholine chemical structure, C20H18N2O3S, CAS 86673-58-7
4-[5-(4-Nitrophenyl)-3-phenylthiophen-2-yl]morpholine
CAS 86673-58-7C20H18N2O3S
Toluene-4-sulfonic acid 6-cyano-2,3,4,9-tetrahydro-1H-carbazol-3-yl ester chemical structure, C20H18N2O3S, CAS 147009-32-3
Toluene-4-sulfonic acid 6-cyano-2,3,4,9-tetrahydro-1H-carbazol-3-yl ester
CAS 147009-32-3C20H18N2O3S
2-{[(2Z)-4-Methyl-2-[(3-methylbenzoyl)imino]-1,3-thiazol-3(2H)-yl]methyl}benzoic acid chemical structure, C20H18N2O3S, CAS 1047760-85-9
2-{[(2Z)-4-Methyl-2-[(3-methylbenzoyl)imino]-1,3-thiazol-3(2H)-yl]methyl}benzoic acid
CAS 1047760-85-9C20H18N2O3S
14-Benzylsulfanyl-4,6-dimethyl-8-oxa-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),10,12-tetraene-3,5-dione chemical structure, C20H18N2O3S, CAS 548475-63-4
14-Benzylsulfanyl-4,6-dimethyl-8-oxa-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),10,12-tetraene-3,5-dione
CAS 548475-63-4C20H18N2O3S
12-Benzylsulfanyl-4,6-dimethyl-8-oxa-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),10,13-tetraene-3,5-dione chemical structure, C20H18N2O3S, CAS 548475-64-5
12-Benzylsulfanyl-4,6-dimethyl-8-oxa-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),10,13-tetraene-3,5-dione
CAS 548475-64-5C20H18N2O3S
10-Benzylsulfanyl-4,6-dimethyl-8-oxa-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),11,13-tetraene-3,5-dione chemical structure, C20H18N2O3S, CAS 548475-65-6
10-Benzylsulfanyl-4,6-dimethyl-8-oxa-4,6-diazatricyclo[7.5.0.02,7]tetradeca-1(9),2(7),11,13-tetraene-3,5-dione
CAS 548475-65-6C20H18N2O3S
4-Thia-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic acid, 7-oxo-I+/--phenyl-3-(phenylmethyl)-, methyl ester, [1R-[1I+/-,5I+/-,6(R*)]]- chemical structure, C20H18N2O3S, CAS 69880-97-3
4-Thia-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic acid, 7-oxo-I+/--phenyl-3-(phenylmethyl)-, methyl ester, [1R-[1I+/-,5I+/-,6(R*)]]-
CAS 69880-97-3C20H18N2O3S
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1,3-thiazol-5-yl)ethyl]carbamate chemical structure, C20H18N2O3S, CAS 2764004-72-8
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1,3-thiazol-5-yl)ethyl]carbamate
CAS 2764004-72-8C20H18N2O3S
(9H-Fluoren-9-yl)methyl N-{[4-(hydroxymethyl)-1,3-thiazol-2-yl]methyl}carbamate chemical structure, C20H18N2O3S, CAS 2763921-91-9
(9H-Fluoren-9-yl)methyl N-{[4-(hydroxymethyl)-1,3-thiazol-2-yl]methyl}carbamate
CAS 2763921-91-9C20H18N2O3S
(9H-Fluoren-9-yl)methyl N-[4-(2-hydroxyethyl)-1,3-thiazol-2-yl]carbamate chemical structure, C20H18N2O3S, CAS 2763925-14-8
(9H-Fluoren-9-yl)methyl N-[4-(2-hydroxyethyl)-1,3-thiazol-2-yl]carbamate
CAS 2763925-14-8C20H18N2O3S
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1,3-thiazol-4-yl)ethyl]carbamate chemical structure, C20H18N2O3S, CAS 2763930-41-0
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1,3-thiazol-4-yl)ethyl]carbamate
CAS 2763930-41-0C20H18N2O3S
(9H-Fluoren-9-yl)methyl N-[5-(2-hydroxyethyl)-1,3-thiazol-2-yl]carbamate chemical structure, C20H18N2O3S, CAS 2763911-76-6
(9H-Fluoren-9-yl)methyl N-[5-(2-hydroxyethyl)-1,3-thiazol-2-yl]carbamate
CAS 2763911-76-6C20H18N2O3S
4-[4-[(3,4,5-Trimethoxyphenyl)methyl]-2-thiazolyl]benzonitrile chemical structure, C20H18N2O3S, CAS 1202517-58-5
4-[4-[(3,4,5-Trimethoxyphenyl)methyl]-2-thiazolyl]benzonitrile
CAS 1202517-58-5C20H18N2O3S
Benzhydryl (6S,7R)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chemical structure, C20H18N2O3S
Benzhydryl (6S,7R)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
C20H18N2O3S
N'-(Benzenesulfonyl)-N-(4-hydroxyphenyl)-N-methylbenzenecarboximidamide chemical structure, C20H18N2O3S
N'-(Benzenesulfonyl)-N-(4-hydroxyphenyl)-N-methylbenzenecarboximidamide
C20H18N2O3S
Benzhydryl (6S,7S)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chemical structure, C20H18N2O3S
Benzhydryl (6S,7S)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
C20H18N2O3S

Frequently asked questions

What is the molar mass of C20H18N2O3S?

The molar mass of C20H18N2O3S is 366.44 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 366.1038 Da.

How many compounds have the formula C20H18N2O3S?

CompoundList lists 221 compounds with the molecular formula C20H18N2O3S, including N-(2,5-Dimethylphenyl)-1-methyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide, 1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-{[(2-methylphenyl)methyl]sulfanyl}-1,2-dihydropyrazin-2-one, N-(1,1-Dioxido-2,3-dihydrothiophen-3-yl)-2-(2-phenyl-1H-indol-1-yl)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 C20H18N2O3S?

C20H18N2O3S 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.