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Molecular formula

C20H17NO4S2

16 compounds have this formula on CompoundList.

Molar mass
399.48g/mol
Monoisotopic mass
399.0599Da
Atoms
44
Elements
5
Rings plus double bonds
13

The formula C20H17NO4S2 describes a molecule made of 20 carbon atoms, 17 hydrogen atoms, 1 nitrogen atom, 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 × 2060.13%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 174.29%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 13.51%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 416.02%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 216.05%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C20H17NO4S2

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

Showing 1 to 16 of 16 compounds

2-[(5Z)-5-[(3-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-phenylpropanoic acid chemical structure, C20H17NO4S2, CAS 928339-96-2
2-[(5Z)-5-[(3-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-phenylpropanoic acid
CAS 928339-96-2C20H17NO4S2
2-[(5Z)-5-[(4-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-phenylpropanoic acid chemical structure, C20H17NO4S2, CAS 1414727-25-5
2-[(5Z)-5-[(4-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-phenylpropanoic acid
CAS 1414727-25-5C20H17NO4S2
N-[2,2-Bis(benzenesulfonyl)ethenyl]aniline chemical structure, C20H17NO4S2, CAS 103975-51-5
N-[2,2-Bis(benzenesulfonyl)ethenyl]aniline
CAS 103975-51-5C20H17NO4S2
3-[5-(3-Benzyloxy-benzylidene)-4-oxo-2-thioxo-thiazolidin-3-yl]-propionic acid chemical structure, C20H17NO4S2, CAS 302949-55-9
3-[5-(3-Benzyloxy-benzylidene)-4-oxo-2-thioxo-thiazolidin-3-yl]-propionic acid
CAS 302949-55-9C20H17NO4S2
(Z)-2-(5-(2-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-3-phenylpropanoic acid chemical structure, C20H17NO4S2, CAS 300826-92-0
(Z)-2-(5-(2-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-3-phenylpropanoic acid
CAS 300826-92-0C20H17NO4S2
Methyl 2-{[(1-oxo-1H-isothiochromen-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C20H17NO4S2, CAS 950383-49-0
Methyl 2-{[(1-oxo-1H-isothiochromen-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 950383-49-0C20H17NO4S2
2-Methoxy-4-[(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]phenyl 3-methylbenzoate chemical structure, C20H17NO4S2, CAS 329001-39-0
2-Methoxy-4-[(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]phenyl 3-methylbenzoate
CAS 329001-39-0C20H17NO4S2
N-((5-(Hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)-7-methoxybenzofuran-2-carboxamide chemical structure, C20H17NO4S2, CAS 1421522-62-4
N-((5-(Hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)-7-methoxybenzofuran-2-carboxamide
CAS 1421522-62-4C20H17NO4S2
Methyl 2-{(5E)-2,4-dioxo-5-[4-(phenylsulfanyl)benzylidene]-1,3-thiazolidin-3-yl}propanoate chemical structure, C20H17NO4S2, CAS 1084609-73-3
Methyl 2-{(5E)-2,4-dioxo-5-[4-(phenylsulfanyl)benzylidene]-1,3-thiazolidin-3-yl}propanoate
CAS 1084609-73-3C20H17NO4S2
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((5-(hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)acrylamide chemical structure, C20H17NO4S2, CAS 1421588-84-2
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((5-(hydroxy(thiophen-2-yl)methyl)thiophen-2-yl)methyl)acrylamide
CAS 1421588-84-2C20H17NO4S2
(5Z)-3-(1,3-Benzodioxol-5-ylmethyl)-5-[(2-ethoxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one chemical structure, C20H17NO4S2, CAS 519034-31-2
(5Z)-3-(1,3-Benzodioxol-5-ylmethyl)-5-[(2-ethoxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one
CAS 519034-31-2C20H17NO4S2
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((5-(hydroxy(thiophen-3-yl)methyl)thiophen-2-yl)methyl)acrylamide chemical structure, C20H17NO4S2, CAS 1798429-91-0
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((5-(hydroxy(thiophen-3-yl)methyl)thiophen-2-yl)methyl)acrylamide
CAS 1798429-91-0C20H17NO4S2
N-(2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)ethyl)-7-methoxybenzofuran-2-carboxamide chemical structure, C20H17NO4S2, CAS 2034237-09-5
N-(2-Hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)ethyl)-7-methoxybenzofuran-2-carboxamide
CAS 2034237-09-5C20H17NO4S2
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)ethyl)acrylamide chemical structure, C20H17NO4S2, CAS 2034997-31-2
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)ethyl)acrylamide
CAS 2034997-31-2C20H17NO4S2
4-Methoxy-2-[(5-methoxy-2-nitrophenyl)sulfanyl]-1-(phenylsulfanyl)benzene chemical structure, C20H17NO4S2, CAS 60719-01-9
4-Methoxy-2-[(5-methoxy-2-nitrophenyl)sulfanyl]-1-(phenylsulfanyl)benzene
CAS 60719-01-9C20H17NO4S2
4-Methoxy-1-{[5-methoxy-2-(phenylsulfanyl)phenyl]sulfanyl}-2-nitrobenzene chemical structure, C20H17NO4S2, CAS 60718-99-2
4-Methoxy-1-{[5-methoxy-2-(phenylsulfanyl)phenyl]sulfanyl}-2-nitrobenzene
CAS 60718-99-2C20H17NO4S2

Frequently asked questions

What is the molar mass of C20H17NO4S2?

The molar mass of C20H17NO4S2 is 399.48 g/mol, calculated from standard atomic weights for 20 carbon atoms, 17 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 399.0599 Da.

How many compounds have the formula C20H17NO4S2?

CompoundList lists 16 compounds with the molecular formula C20H17NO4S2, including 2-[(5Z)-5-[(3-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-phenylpropanoic acid, 2-[(5Z)-5-[(4-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-phenylpropanoic acid, N-[2,2-Bis(benzenesulfonyl)ethenyl]aniline. 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 C20H17NO4S2?

C20H17NO4S2 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.