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Molecular formula

C21H18N2O5S2

36 compounds have this formula on CompoundList.

Molar mass
442.50g/mol
Monoisotopic mass
442.0657Da
Atoms
48
Elements
5
Rings plus double bonds
14

The formula C21H18N2O5S2 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 5 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 × 2157.00%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.10%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 26.33%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 518.08%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 214.49%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H18N2O5S2

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

Showing 1 to 36 of 36 compounds

(Z)-3-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 300378-05-6
(Z)-3-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid
CAS 300378-05-6C21H18N2O5S2
(Z)-4-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 314248-14-1
(Z)-4-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid
CAS 314248-14-1C21H18N2O5S2
(Z)-2-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 300378-04-5
(Z)-2-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid
CAS 300378-04-5C21H18N2O5S2
3-[(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-(4-methoxyphenyl)propanamide chemical structure, C21H18N2O5S2, CAS 307542-13-8
3-[(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-(4-methoxyphenyl)propanamide
CAS 307542-13-8C21H18N2O5S2
(2,6,8-Trioxo-10-phenyl-3,4a,5,5a,6,8,8a,9,9a,10-decahydro-5,9-methano[1,3]thiazolo[5',4':5,6]thiopyrano[2,3-f]isoindol-7(2H)-yl)acetic acid chemical structure, C21H18N2O5S2, CAS 1164461-40-8
(2,6,8-Trioxo-10-phenyl-3,4a,5,5a,6,8,8a,9,9a,10-decahydro-5,9-methano[1,3]thiazolo[5',4':5,6]thiopyrano[2,3-f]isoindol-7(2H)-yl)acetic acid
CAS 1164461-40-8C21H18N2O5S2
N-(1-(Thiophene-2-carbonyl)indolin-6-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide chemical structure, C21H18N2O5S2, CAS 1021208-49-0
N-(1-(Thiophene-2-carbonyl)indolin-6-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide
CAS 1021208-49-0C21H18N2O5S2
4-(Ethylsulfonyl)-N-(4-(5-methoxybenzofuran-2-yl)thiazol-2-yl)benzamide chemical structure, C21H18N2O5S2, CAS 922004-54-4
4-(Ethylsulfonyl)-N-(4-(5-methoxybenzofuran-2-yl)thiazol-2-yl)benzamide
CAS 922004-54-4C21H18N2O5S2
(Z)-4-(5-(Benzo[d][1,3]dioxol-5-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(4-hydroxyphenyl)butanamide chemical structure, C21H18N2O5S2, CAS 315244-78-1
(Z)-4-(5-(Benzo[d][1,3]dioxol-5-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(4-hydroxyphenyl)butanamide
CAS 315244-78-1C21H18N2O5S2
(Z)-4-(5-(Benzo[d][1,3]dioxol-5-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(3-hydroxyphenyl)butanamide chemical structure, C21H18N2O5S2, CAS 315244-77-0
(Z)-4-(5-(Benzo[d][1,3]dioxol-5-ylmethylene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(3-hydroxyphenyl)butanamide
CAS 315244-77-0C21H18N2O5S2
(4E)-1-(4,5-Dimethyl-1,3-thiazol-2-yl)-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy(thiophen-2-yl)methylidene]pyrrolidine-2,3-dione chemical structure, C21H18N2O5S2, CAS 840478-65-1
(4E)-1-(4,5-Dimethyl-1,3-thiazol-2-yl)-5-(4-hydroxy-3-methoxyphenyl)-4-[hydroxy(thiophen-2-yl)methylidene]pyrrolidine-2,3-dione
CAS 840478-65-1C21H18N2O5S2
(Z)-3-(2-(5-(4-Ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 476664-16-1
(Z)-3-(2-(5-(4-Ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid
CAS 476664-16-1C21H18N2O5S2
(Z)-4-(2-(5-(4-Ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 476664-18-3
(Z)-4-(2-(5-(4-Ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid
CAS 476664-18-3C21H18N2O5S2
(Z)-4-(3-(5-(2-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 681480-26-2
(Z)-4-(3-(5-(2-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid
CAS 681480-26-2C21H18N2O5S2
3-[(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-(3-methoxyphenyl)propanamide chemical structure, C21H18N2O5S2, CAS 307542-15-0
3-[(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-(3-methoxyphenyl)propanamide
CAS 307542-15-0C21H18N2O5S2
(Z)-2-(2-(5-(4-Ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid chemical structure, C21H18N2O5S2, CAS 476664-14-9
(Z)-2-(2-(5-(4-Ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamido)benzoic acid
CAS 476664-14-9C21H18N2O5S2
(Z)-N-(Benzo[d][1,3]dioxol-5-yl)-2-(5-(4-ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide chemical structure, C21H18N2O5S2, CAS 476664-36-5
(Z)-N-(Benzo[d][1,3]dioxol-5-yl)-2-(5-(4-ethoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide
CAS 476664-36-5C21H18N2O5S2
(Z)-N-(Benzo[d][1,3]dioxol-5-yl)-3-(5-(2-methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamide chemical structure, C21H18N2O5S2, CAS 681480-34-2
(Z)-N-(Benzo[d][1,3]dioxol-5-yl)-3-(5-(2-methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamide
CAS 681480-34-2C21H18N2O5S2
N-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-((4-methoxyphenyl)sulfonyl)propanamide chemical structure, C21H18N2O5S2, CAS 941961-99-5
N-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-((4-methoxyphenyl)sulfonyl)propanamide
CAS 941961-99-5C21H18N2O5S2
N-((5-(Furan-2-carbonyl)thiophen-2-yl)methyl)-4-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide chemical structure, C21H18N2O5S2, CAS 1797964-43-2
N-((5-(Furan-2-carbonyl)thiophen-2-yl)methyl)-4-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinoline-8-sulfonamide
CAS 1797964-43-2C21H18N2O5S2
2-[(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-[2-(4-hydroxyphenyl)ethyl]acetamide chemical structure, C21H18N2O5S2, CAS 902312-60-1
2-[(5Z)-5-(1,3-Benzodioxol-5-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-[2-(4-hydroxyphenyl)ethyl]acetamide
CAS 902312-60-1C21H18N2O5S2
N-(4-(5-Methoxybenzofuran-2-yl)thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide chemical structure, C21H18N2O5S2, CAS 922058-08-0
N-(4-(5-Methoxybenzofuran-2-yl)thiazol-2-yl)-2-(4-(methylsulfonyl)phenyl)acetamide
CAS 922058-08-0C21H18N2O5S2
N-(Benzo[d][1,3]dioxol-5-yl)-2-(2-((2-(4-methoxyphenyl)-2-oxoethyl)thio)thiazol-4-yl)acetamide chemical structure, C21H18N2O5S2, CAS 1020980-17-9
N-(Benzo[d][1,3]dioxol-5-yl)-2-(2-((2-(4-methoxyphenyl)-2-oxoethyl)thio)thiazol-4-yl)acetamide
CAS 1020980-17-9C21H18N2O5S2
(E)-3-(Benzylsulfonyl)-N-(7-(prop-2-yn-1-yl)-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6(7H)-ylidene)propanamide chemical structure, C21H18N2O5S2, CAS 1007088-38-1
(E)-3-(Benzylsulfonyl)-N-(7-(prop-2-yn-1-yl)-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6(7H)-ylidene)propanamide
CAS 1007088-38-1C21H18N2O5S2
N-(1-(Thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H18N2O5S2, CAS 898447-96-6
N-(1-(Thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 898447-96-6C21H18N2O5S2

Frequently asked questions

What is the molar mass of C21H18N2O5S2?

The molar mass of C21H18N2O5S2 is 442.50 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 5 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 442.0657 Da.

How many compounds have the formula C21H18N2O5S2?

CompoundList lists 36 compounds with the molecular formula C21H18N2O5S2, including (Z)-3-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid, (Z)-4-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid, (Z)-2-(3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanamido)benzoic acid. 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 C21H18N2O5S2?

C21H18N2O5S2 has a degree of unsaturation of 14. 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.