CompoundList
Molecular formula

C21H20N2O5S

128 compounds have this formula on CompoundList.

Molar mass
412.46g/mol
Monoisotopic mass
416.1344Da
Atoms
49
Elements
5
Rings plus double bonds
13

The formula C21H20N2O5S describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 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 × 2161.15%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 204.89%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 26.79%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 519.39%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.77%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H20N2O5S

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

Showing 1 to 100 of 128 compounds

Ethyl 2-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamido]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C21H20N2O5S, CAS 60442-43-5
Ethyl 2-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamido]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 60442-43-5C21H20N2O5S
2-Furanyl-[4-(4-phenoxyphenyl)sulfonyl-1-piperazinyl]methanone chemical structure, C21H20N2O5S, CAS 670272-53-4
2-Furanyl-[4-(4-phenoxyphenyl)sulfonyl-1-piperazinyl]methanone
CAS 670272-53-4C21H20N2O5S
N-(2,4-Dimethoxyphenyl)-1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide chemical structure, C21H20N2O5S, CAS 438488-85-8
N-(2,4-Dimethoxyphenyl)-1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide
CAS 438488-85-8C21H20N2O5S
N-(3-{[(3,4,5-Trimethoxyphenyl)carbonyl]amino}phenyl)thiophene-2-carboxamide chemical structure, C21H20N2O5S, CAS 384376-60-7
N-(3-{[(3,4,5-Trimethoxyphenyl)carbonyl]amino}phenyl)thiophene-2-carboxamide
CAS 384376-60-7C21H20N2O5S
[4-[(E)-2-Cyano-3-oxo-3-(prop-2-enylamino)prop-1-enyl]-2-methoxyphenyl] 4-methylbenzenesulfonate chemical structure, C21H20N2O5S, CAS 930764-00-4
[4-[(E)-2-Cyano-3-oxo-3-(prop-2-enylamino)prop-1-enyl]-2-methoxyphenyl] 4-methylbenzenesulfonate
CAS 930764-00-4C21H20N2O5S
N-(3,4-Dimethoxy-phenyl)-2-(1,1-dioxo-1H-1lambda*6*-naphtho[1,8-cd]isothiazol-2-yl)-propionamide chemical structure, C21H20N2O5S, CAS 717827-69-5
N-(3,4-Dimethoxy-phenyl)-2-(1,1-dioxo-1H-1lambda*6*-naphtho[1,8-cd]isothiazol-2-yl)-propionamide
CAS 717827-69-5C21H20N2O5S
3-(1,3-Benzothiazol-2-yl)-8-((bis(2-hydroxyethyl)amino)methyl)-7-hydroxy-2H-chromen-2-one chemical structure, C21H20N2O5S, CAS 384361-09-5
3-(1,3-Benzothiazol-2-yl)-8-((bis(2-hydroxyethyl)amino)methyl)-7-hydroxy-2H-chromen-2-one
CAS 384361-09-5C21H20N2O5S
N-(4-Benzenesulfonamidophenyl)-3,4-dimethoxybenzamide chemical structure, C21H20N2O5S, CAS 325736-03-6
N-(4-Benzenesulfonamidophenyl)-3,4-dimethoxybenzamide
CAS 325736-03-6C21H20N2O5S
Ethyl 2-(furan-2-carboxamido)-4-methyl-5-(o-tolylcarbamoyl)thiophene-3-carboxylate chemical structure, C21H20N2O5S, CAS 312586-50-8
Ethyl 2-(furan-2-carboxamido)-4-methyl-5-(o-tolylcarbamoyl)thiophene-3-carboxylate
CAS 312586-50-8C21H20N2O5S
4-Methoxy-3-[(4-methoxyphenyl)sulfamoyl]-N-phenylbenzamide chemical structure, C21H20N2O5S, CAS 313260-98-9
4-Methoxy-3-[(4-methoxyphenyl)sulfamoyl]-N-phenylbenzamide
CAS 313260-98-9C21H20N2O5S
2-({1-[4-(Morpholin-4-yl)phenyl]-2,5-dioxopyrrolidin-3-yl}sulfanyl)benzoic acid chemical structure, C21H20N2O5S, CAS 300673-00-1
2-({1-[4-(Morpholin-4-yl)phenyl]-2,5-dioxopyrrolidin-3-yl}sulfanyl)benzoic acid
CAS 300673-00-1C21H20N2O5S
2-(2,4-Dioxo-3-phenacyl-1,3-thiazolidin-5-yl)-N-(4-ethoxyphenyl)acetamide chemical structure, C21H20N2O5S, CAS 876721-87-8
2-(2,4-Dioxo-3-phenacyl-1,3-thiazolidin-5-yl)-N-(4-ethoxyphenyl)acetamide
CAS 876721-87-8C21H20N2O5S
(E)-N-(2-Hydroxyphenyl)-4-(5-(4-methoxybenzylidene)-2,4-dioxothiazolidin-3-yl)butanamide chemical structure, C21H20N2O5S, CAS 405919-81-5
(E)-N-(2-Hydroxyphenyl)-4-(5-(4-methoxybenzylidene)-2,4-dioxothiazolidin-3-yl)butanamide
CAS 405919-81-5C21H20N2O5S
4-(2H-1,3-Benzodioxol-5-yl)-2-(piperidine-1-carbonyl)-4H-1lambda6,4-benzothiazine-1,1-dione chemical structure, C21H20N2O5S, CAS 1251698-28-8
4-(2H-1,3-Benzodioxol-5-yl)-2-(piperidine-1-carbonyl)-4H-1lambda6,4-benzothiazine-1,1-dione
CAS 1251698-28-8C21H20N2O5S
N-[3-[(2,5-Dimethoxyphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]furan-2-carboxamide chemical structure, C21H20N2O5S, CAS 717870-44-5
N-[3-[(2,5-Dimethoxyphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]furan-2-carboxamide
CAS 717870-44-5C21H20N2O5S
4-Oxo-N-[4-(piperidin-1-ylsulfonyl)phenyl]-4H-chromene-2-carboxamide chemical structure, C21H20N2O5S, CAS 880784-90-7
4-Oxo-N-[4-(piperidin-1-ylsulfonyl)phenyl]-4H-chromene-2-carboxamide
CAS 880784-90-7C21H20N2O5S
9-Methoxy-2-(2,3,4-trimethoxyphenyl)-3H-chromeno[2,3-d]pyrimidine-4(5H)-thione chemical structure, C21H20N2O5S, CAS 895642-24-7
9-Methoxy-2-(2,3,4-trimethoxyphenyl)-3H-chromeno[2,3-d]pyrimidine-4(5H)-thione
CAS 895642-24-7C21H20N2O5S
Methyl 4-(((1-(benzo[d][1,3]dioxol-5-ylmethyl)-5-(hydroxymethyl)-1H-imidazol-2-yl)thio)methyl)benzoate chemical structure, C21H20N2O5S, CAS 921789-66-4
Methyl 4-(((1-(benzo[d][1,3]dioxol-5-ylmethyl)-5-(hydroxymethyl)-1H-imidazol-2-yl)thio)methyl)benzoate
CAS 921789-66-4C21H20N2O5S
Ethyl 2-[(2,4-dimethoxybenzoyl)amino]-4-phenyl-1,3-thiazole-5-carboxylate chemical structure, C21H20N2O5S, CAS 312605-03-1
Ethyl 2-[(2,4-dimethoxybenzoyl)amino]-4-phenyl-1,3-thiazole-5-carboxylate
CAS 312605-03-1C21H20N2O5S
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-butoxybenzoate chemical structure, C21H20N2O5S, CAS 877635-62-6
4-Oxo-6-((pyrimidin-2-ylthio)methyl)-4H-pyran-3-yl 4-butoxybenzoate
CAS 877635-62-6C21H20N2O5S
[6-[(4-Methylpyrimidin-2-yl)sulfanylmethyl]-4-oxopyran-3-yl] 2-(4-ethoxyphenyl)acetate chemical structure, C21H20N2O5S, CAS 877637-32-6
[6-[(4-Methylpyrimidin-2-yl)sulfanylmethyl]-4-oxopyran-3-yl] 2-(4-ethoxyphenyl)acetate
CAS 877637-32-6C21H20N2O5S
2-(4-Methoxybenzamido)-N-(2-methoxyethyl)-4-oxo-4H-thiochromene-3-carboxamide chemical structure, C21H20N2O5S, CAS 881556-86-1
2-(4-Methoxybenzamido)-N-(2-methoxyethyl)-4-oxo-4H-thiochromene-3-carboxamide
CAS 881556-86-1C21H20N2O5S
(5-Phenylisoxazol-3-yl)methyl 4-(pyrrolidin-1-ylsulfonyl)benzoate chemical structure, C21H20N2O5S, CAS 879772-23-3
(5-Phenylisoxazol-3-yl)methyl 4-(pyrrolidin-1-ylsulfonyl)benzoate
CAS 879772-23-3C21H20N2O5S
Ethyl 3-(2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamido)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxylate chemical structure, C21H20N2O5S, CAS 681174-53-8
Ethyl 3-(2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamido)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxylate
CAS 681174-53-8C21H20N2O5S

Frequently asked questions

What is the molar mass of C21H20N2O5S?

The molar mass of C21H20N2O5S is 412.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 416.1344 Da.

How many compounds have the formula C21H20N2O5S?

CompoundList lists 128 compounds with the molecular formula C21H20N2O5S, including Ethyl 2-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamido]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate, 2-Furanyl-[4-(4-phenoxyphenyl)sulfonyl-1-piperazinyl]methanone, N-(2,4-Dimethoxyphenyl)-1-ethyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamide. 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 C21H20N2O5S?

C21H20N2O5S 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.