Molecular formula

C₂₁H₂₀N₂O₄S₂

77 compounds have this formula on CompoundList.

Molar mass: 428.52g/mol
Monoisotopic mass: 428.0864Da
Atoms: 49
Elements: 5
Rings plus double bonds: 13

The formula C21H20N2O4S2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 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 × 2158.86%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 204.70%
1.008 × 20 = 20.160 g/mol
N Nitrogen × 26.54%
14.007 × 2 = 28.014 g/mol
O Oxygen × 414.93%
15.999 × 4 = 63.996 g/mol
S Sulfur × 214.96%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H20N2O4S2

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

Showing 1 to 77 of 77 compounds

N-(4-Hydroxyphenyl)-4-[(5Z)-5-[(4-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanamide

CAS 303792-75-8C₂₁H₂₀N₂O₄S₂

3-[(6-Ethoxy-1,3-benzothiazol-2-yl)sulfanyl]-1-(4-ethoxyphenyl)pyrrolidine-2,5-dione

CAS 361991-83-5C₂₁H₂₀N₂O₄S₂

(1Z)-1-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-4,4,6-trimethyl-2-oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-8-yl acetate

CAS 1164463-66-4C₂₁H₂₀N₂O₄S₂

Ethyl 2-({2-phenyl-6-[(phenylsulfonyl)methyl]-4-pyrimidinyl}sulfanyl)acetate

CAS 303147-42-4C₂₁H₂₀N₂O₄S₂

N-(4-Hydroxyphenyl)-4-[(5E)-5-[(3-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanamide

CAS 476666-06-5C₂₁H₂₀N₂O₄S₂

2-((2-(1,3-Benzodioxol-5-yl)-2-oxoethyl)sulfanyl)-3-ethyl-5,6,7,8-tetrahydro(1)benzothieno(2,3-D)pyrimidin-4(3H)-one

CAS 618427-87-5C₂₁H₂₀N₂O₄S₂

$10-{[2-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-oxoethyl]sulfanyl}-11-ethyl-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-12-one chemical structure, C21H20N2O4S2, CAS 683780-32-7$

10-{[2-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-oxoethyl]sulfanyl}-11-ethyl-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-12-one

CAS 683780-32-7C₂₁H₂₀N₂O₄S₂

N-(2-Methoxyphenyl)-2-thiophen-2-ylsulfonyl-3,4-dihydro-1H-isoquinoline-3-carboxamide

CAS 1008039-03-9C₂₁H₂₀N₂O₄S₂

N-(5-Acetyl-4-phenylthiazol-2-yl)-2-(4-(ethylsulfonyl)phenyl)acetamide

CAS 941931-52-8C₂₁H₂₀N₂O₄S₂

2-[2-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-oxoethyl]sulfanyl-5,6-dimethyl-3-prop-2-enylthieno[2,3-d]pyrimidin-4-one

CAS 690644-88-3C₂₁H₂₀N₂O₄S₂

N-[(5E)-5-[(3-Ethoxy-4-hydroxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-2,4-dimethylbenzamide

CAS 865614-33-1C₂₁H₂₀N₂O₄S₂

N-(8H-Indeno[1,2-d]thiazol-2-yl)-4-((4-methoxyphenyl)sulfonyl)butanamide

CAS 922876-02-6C₂₁H₂₀N₂O₄S₂

3-(4-[[5-(2-Methyl-1,3-thiazol-4-yl)-2,3-dihydro-1H-indol-1-yl]sulfonyl]phenyl)propanoic acid

CAS 949381-12-8C₂₁H₂₀N₂O₄S₂

Ethyl 4-methyl-5-[(2-methylphenyl)carbamoyl]-2-[(thiophen-2-ylcarbonyl)amino]thiophene-3-carboxylate

CAS 312586-51-9C₂₁H₂₀N₂O₄S₂

N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-4-methylbenzenesulfonamide

CAS 314765-59-8C₂₁H₂₀N₂O₄S₂

(Z)-N-(3-Hydroxyphenyl)-4-(5-(4-methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanamide

CAS 300378-19-2C₂₁H₂₀N₂O₄S₂

Ethyl 4-methyl-2-[(3-methylthiophene-2-carbonyl)amino]-5-(phenylcarbamoyl)thiophene-3-carboxylate

CAS 445232-88-2C₂₁H₂₀N₂O₄S₂

Methyl 4-methyl-2-(2-(thiophen-2-yl)acetamido)-5-(p-tolylcarbamoyl)thiophene-3-carboxylate

CAS 335406-88-7C₂₁H₂₀N₂O₄S₂

(Z)-N-(2-Hydroxyphenyl)-4-(5-(4-methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)butanamide

CAS 303792-74-7C₂₁H₂₀N₂O₄S₂

N-{4-[(5Z)-5-[(4-Ethoxy-3-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]phenyl}acetamide

CAS 868146-98-9C₂₁H₂₀N₂O₄S₂

N-(3-Methoxyphenyl)-3-[(5Z)-5-[(2-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]propanamide

CAS 300378-75-0C₂₁H₂₀N₂O₄S₂

2-Methoxy-N-(1-(thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)benzamide

CAS 941971-78-4C₂₁H₂₀N₂O₄S₂

N-(5-Acetyl-4-phenylthiazol-2-yl)-3-(isopropylsulfonyl)benzamide

CAS 941972-85-6C₂₁H₂₀N₂O₄S₂

Ethyl 2-{[(1-benzofuran-2-ylcarbonyl)carbamothioyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate

CAS 428850-88-8C₂₁H₂₀N₂O₄S₂

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What is the molar mass of C21H20N2O4S2?

The molar mass of C21H20N2O4S2 is 428.52 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 428.0864 Da.

How many compounds have the formula C21H20N2O4S2?

CompoundList lists 77 compounds with the molecular formula C21H20N2O4S2, including N-(4-Hydroxyphenyl)-4-[(5Z)-5-[(4-methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]butanamide, 3-[(6-Ethoxy-1,3-benzothiazol-2-yl)sulfanyl]-1-(4-ethoxyphenyl)pyrrolidine-2,5-dione, (1Z)-1-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-4,4,6-trimethyl-2-oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-8-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 C21H20N2O4S2?

C21H20N2O4S2 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.