Molecular formula

C₂₁H₁₆ClN₃O₃S₂

23 compounds have this formula on CompoundList.

Molar mass: 457.95g/mol
Monoisotopic mass: 457.0322Da
Atoms: 46
Elements: 6
Rings plus double bonds: 15

The formula C21H16ClN3O3S2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 3 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 × 2155.08%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 163.52%
1.008 × 16 = 16.128 g/mol
Cl Chlorine × 17.74%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 39.18%
14.007 × 3 = 42.021 g/mol
O Oxygen × 310.48%
15.999 × 3 = 47.997 g/mol
S Sulfur × 214.00%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H16ClN3O3S2

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

Showing 1 to 23 of 23 compounds

N-[4-(1,3-Benzothiazol-2-yl)phenyl]-2-[(3-chlorophenyl)sulfonylamino]acetamide

CAS 690245-93-3C₂₁H₁₆ClN₃O₃S₂

N-(2-Chlorophenyl)-2-[(3Z)-3-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetamide

CAS 618076-98-5C₂₁H₁₆ClN₃O₃S₂

2-(5-Chlorothiophen-2-yl)-N-[(4-sulfamoylphenyl)methyl]quinoline-4-carboxamide

CAS 546104-33-0C₂₁H₁₆ClN₃O₃S₂

4-[(3-Chlorophenyl)sulfonylamino]-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide

CAS 690962-37-9C₂₁H₁₆ClN₃O₃S₂

N-[3-(1,3-Benzothiazol-2-yl)phenyl]-2-[(3-chlorophenyl)sulfonylamino]acetamide

CAS 690245-92-2C₂₁H₁₆ClN₃O₃S₂

N-(4-Chloro-1,3-benzothiazol-2-yl)-2-[(4-methylphenyl)sulfonylamino]benzamide

CAS 312526-19-5C₂₁H₁₆ClN₃O₃S₂

N-(6-Chloro-1,3-benzothiazol-2-yl)-2-[(4-methylphenyl)sulfonylamino]benzamide

CAS 330190-08-4C₂₁H₁₆ClN₃O₃S₂

2-[3-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-2-yl]sulfanyl-N-(2-methoxyphenyl)acetamide

CAS 440325-38-2C₂₁H₁₆ClN₃O₃S₂

2-[3-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-2-yl]sulfanyl-N-(3-methoxyphenyl)acetamide

CAS 440325-43-9C₂₁H₁₆ClN₃O₃S₂

N-{5-[(4-Chlorobenzyl)sulfonyl]-1,3,4-thiadiazol-2-yl}-2-(naphthalen-1-yl)acetamide

CAS 892633-62-4C₂₁H₁₆ClN₃O₃S₂

6-Chloro-7-methyl-N-{5-[(3-methylbenzyl)sulfanyl]-1,3,4-thiadiazol-2-yl}-4-oxo-4H-chromene-2-carboxamide

CAS 873080-89-8C₂₁H₁₆ClN₃O₃S₂

2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(4-methoxyphenyl)acetamide

CAS 1261004-65-2C₂₁H₁₆ClN₃O₃S₂

5-{(Z)-1-[2-(4-Chlorophenoxy)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-isopropyl-2-thioxo-1,3-thiazolan-4-one

CAS 796881-10-2C₂₁H₁₆ClN₃O₃S₂

N-(4-Chloro-1,3-benzothiazol-2-yl)-4-[methyl(phenyl)sulfamoyl]benzamide

CAS 325977-22-8C₂₁H₁₆ClN₃O₃S₂

N-(6-Chlorobenzo[d]thiazol-2-yl)-2-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886937-31-1C₂₁H₁₆ClN₃O₃S₂

N-(4-Chlorobenzo[d]thiazol-2-yl)-3-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886942-71-8C₂₁H₁₆ClN₃O₃S₂

N-(4-Chloro-1,3-benzothiazol-7-yl)-4-[methyl(phenyl)sulfamoyl]benzamide

CAS 946384-04-9C₂₁H₁₆ClN₃O₃S₂

2-(4-Chlorophenoxy)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one

CAS 799771-00-9C₂₁H₁₆ClN₃O₃S₂

N-(6-Chlorobenzo[d]thiazol-2-yl)-3-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886937-48-0C₂₁H₁₆ClN₃O₃S₂

N-(6-Chlorobenzo[d]thiazol-2-yl)-4-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886937-54-8C₂₁H₁₆ClN₃O₃S₂

N-(4-Chlorobenzo[d]thiazol-2-yl)-2-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886942-56-9C₂₁H₁₆ClN₃O₃S₂

N-(4-Chlorobenzo[d]thiazol-2-yl)-4-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886942-76-3C₂₁H₁₆ClN₃O₃S₂

N-(5-((2-Chlorobenzyl)sulfonyl)-1,3,4-thiadiazol-2-yl)-2-(naphthalen-1-yl)acetamide

CAS 901668-03-9C₂₁H₁₆ClN₃O₃S₂

Frequently asked questions

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What is the molar mass of C21H16ClN3O3S2?

The molar mass of C21H16ClN3O3S2 is 457.95 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 457.0322 Da.

How many compounds have the formula C21H16ClN3O3S2?

CompoundList lists 23 compounds with the molecular formula C21H16ClN3O3S2, including N-[4-(1,3-Benzothiazol-2-yl)phenyl]-2-[(3-chlorophenyl)sulfonylamino]acetamide, N-(2-Chlorophenyl)-2-[(3Z)-3-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]acetamide, 2-(5-Chlorothiophen-2-yl)-N-[(4-sulfamoylphenyl)methyl]quinoline-4-carboxamide. 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 C21H16ClN3O3S2?

C21H16ClN3O3S2 has a degree of unsaturation of 15. 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.