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Molecular formula

C18H21NO5S

119 compounds have this formula on CompoundList.

Molar mass
363.43g/mol
Monoisotopic mass
363.1140Da
Atoms
46
Elements
5
Rings plus double bonds
9

The formula C18H21NO5S describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 5 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 × 1859.49%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 215.82%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 13.85%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 522.01%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 18.82%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H21NO5S

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

Showing 101 to 119 of 119 compounds

N-(2,4,6-Trimethoxyphenyl)indane-5-sulfonamide chemical structure, C18H21NO5S, CAS 2232877-40-4
N-(2,4,6-Trimethoxyphenyl)indane-5-sulfonamide
CAS 2232877-40-4C18H21NO5S
2-(3-(Ethoxycarbonyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid chemical structure, C18H21NO5S, CAS 2476465-11-7
2-(3-(Ethoxycarbonyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid
CAS 2476465-11-7C18H21NO5S
Methyl {(5E)-5-[4-methoxy-2-methyl-5-(propan-2-yl)benzylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}acetate chemical structure, C18H21NO5S, CAS 678155-71-0
Methyl {(5E)-5-[4-methoxy-2-methyl-5-(propan-2-yl)benzylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}acetate
CAS 678155-71-0C18H21NO5S
3-tert-Butoxycarbonylamino-5-(4-ethoxyphenyl) thiophene-2-carboxylic acid chemical structure, C18H21NO5S, CAS 688763-50-0
3-tert-Butoxycarbonylamino-5-(4-ethoxyphenyl) thiophene-2-carboxylic acid
CAS 688763-50-0C18H21NO5S
3-(Benzo[d][1,3]dioxol-5-yloxy)-N-(4-methylbenzyl)propane-1-sulfonamide chemical structure, C18H21NO5S, CAS 946286-06-2
3-(Benzo[d][1,3]dioxol-5-yloxy)-N-(4-methylbenzyl)propane-1-sulfonamide
CAS 946286-06-2C18H21NO5S
3-(4-t-Butylsulfamoylphenyl)-2-methoxybenzoic acid chemical structure, C18H21NO5S, CAS 1261972-53-5
3-(4-t-Butylsulfamoylphenyl)-2-methoxybenzoic acid
CAS 1261972-53-5C18H21NO5S
2-Methyl-4-(3-methyl-2-oxo-4-phenylpyridin-1(2H)-yl)-2-(methylsulfonyl)butanoic acid chemical structure, C18H21NO5S, CAS 1312479-37-0
2-Methyl-4-(3-methyl-2-oxo-4-phenylpyridin-1(2H)-yl)-2-(methylsulfonyl)butanoic acid
CAS 1312479-37-0C18H21NO5S
Benzyl azetidine-3-carboxylate toluene-4-sulfonic acid salt chemical structure, C18H21NO5S, CAS 2098031-52-6
Benzyl azetidine-3-carboxylate toluene-4-sulfonic acid salt
CAS 2098031-52-6C18H21NO5S
4-Acetamidophenyl 4-ethoxy-2,5-dimethylbenzene-1-sulfonate chemical structure, C18H21NO5S, CAS 2361750-71-0
4-Acetamidophenyl 4-ethoxy-2,5-dimethylbenzene-1-sulfonate
CAS 2361750-71-0C18H21NO5S
(2-Acetamidophenyl) 2-methoxy-5-propan-2-ylbenzenesulfonate chemical structure, C18H21NO5S, CAS 2728127-94-2
(2-Acetamidophenyl) 2-methoxy-5-propan-2-ylbenzenesulfonate
CAS 2728127-94-2C18H21NO5S
2-[4-(4-tert-Butylbenzenesulfonamido)phenoxy]acetic acid chemical structure, C18H21NO5S, CAS 681841-44-1
2-[4-(4-tert-Butylbenzenesulfonamido)phenoxy]acetic acid
CAS 681841-44-1C18H21NO5S
Ethyl beta-hydroxy-N-(4-methylbenzene-1-sulfonyl)phenylalaninate chemical structure, C18H21NO5S, CAS 108340-82-5
Ethyl beta-hydroxy-N-(4-methylbenzene-1-sulfonyl)phenylalaninate
CAS 108340-82-5C18H21NO5S
Methyl N-benzyl-N-(4-ethoxybenzene-1-sulfonyl)glycinate chemical structure, C18H21NO5S, CAS 1788565-21-8
Methyl N-benzyl-N-(4-ethoxybenzene-1-sulfonyl)glycinate
CAS 1788565-21-8C18H21NO5S
N-{[(3,4-Dimethoxyphenyl)sulfanyl]methyl}-3,4-dimethoxybenzamide chemical structure, C18H21NO5S, CAS 64460-73-7
N-{[(3,4-Dimethoxyphenyl)sulfanyl]methyl}-3,4-dimethoxybenzamide
CAS 64460-73-7C18H21NO5S
2-{[(tert-Butoxy)carbonyl]amino}-4-(4-methoxyphenyl)-5-methylthiophene-3-carboxylic acid chemical structure, C18H21NO5S, CAS 2639448-56-7
2-{[(tert-Butoxy)carbonyl]amino}-4-(4-methoxyphenyl)-5-methylthiophene-3-carboxylic acid
CAS 2639448-56-7C18H21NO5S
5-(5-(Ethoxycarbonyl)-4-methylthiazol-2-yl)-2-isobutoxybenzoic acid chemical structure, C18H21NO5S, CAS 2095166-41-7
5-(5-(Ethoxycarbonyl)-4-methylthiazol-2-yl)-2-isobutoxybenzoic acid
CAS 2095166-41-7C18H21NO5S
Diethyl 2-Acetamido-2-(benzo[b]thiophen-2-ylmethyl)malonate chemical structure, C18H21NO5S, CAS 1023290-68-7
Diethyl 2-Acetamido-2-(benzo[b]thiophen-2-ylmethyl)malonate
CAS 1023290-68-7C18H21NO5S
3-tert-Butoxycarbonylamino-5-(4-methoxyphenyl)-4-methylthiophene-2-carboxylicacid chemical structure, C18H21NO5S, CAS 691393-96-1
3-tert-Butoxycarbonylamino-5-(4-methoxyphenyl)-4-methylthiophene-2-carboxylicacid
CAS 691393-96-1C18H21NO5S
Methyl (S)-1,2,3,4-tetrahydroquinoline-2-carboxylate 4-methylbenzenesulfonate chemical structure, C18H21NO5S, CAS 165748-13-0
Methyl (S)-1,2,3,4-tetrahydroquinoline-2-carboxylate 4-methylbenzenesulfonate
CAS 165748-13-0C18H21NO5S

Frequently asked questions

What is the molar mass of C18H21NO5S?

The molar mass of C18H21NO5S is 363.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 363.1140 Da.

How many compounds have the formula C18H21NO5S?

CompoundList lists 119 compounds with the molecular formula C18H21NO5S, including N-(2,4,6-Trimethoxyphenyl)indane-5-sulfonamide, 2-(3-(Ethoxycarbonyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid, Methyl {(5E)-5-[4-methoxy-2-methyl-5-(propan-2-yl)benzylidene]-2,4-dioxo-1,3-thiazolidin-3-yl}acetate. 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 C18H21NO5S?

C18H21NO5S has a degree of unsaturation of 9. 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.