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Molecular formula

C21H16ClN3O2S2

25 compounds have this formula on CompoundList.

Molar mass
441.95g/mol
Monoisotopic mass
441.0372Da
Atoms
45
Elements
6
Rings plus double bonds
15

The formula C21H16ClN3O2S2 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 2 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 × 2157.07%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 163.65%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 18.02%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 39.51%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 27.24%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 214.51%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H16ClN3O2S2

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

Showing 1 to 25 of 25 compounds

(5Z)-5-((3-(3-Chloro-4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-methyl-2-thioxo-1,3-thiazolidin-4-one chemical structure, C21H16ClN3O2S2, CAS 624723-96-2
(5Z)-5-((3-(3-Chloro-4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-methyl-2-thioxo-1,3-thiazolidin-4-one
CAS 624723-96-2C21H16ClN3O2S2
2-[7-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide chemical structure, C21H16ClN3O2S2, CAS 1105223-31-1
2-[7-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide
CAS 1105223-31-1C21H16ClN3O2S2
Ripk3-IN-2 chemical structure, C21H16ClN3O2S2, CAS 2665669-32-7
Ripk3-IN-2
CAS 2665669-32-7C21H16ClN3O2S2
N-(4-Chlorophenyl)-2-({3-methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1105252-23-0
N-(4-Chlorophenyl)-2-({3-methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide
CAS 1105252-23-0C21H16ClN3O2S2
N-(4-Chlorophenyl)-2-[(3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide chemical structure, C21H16ClN3O2S2, CAS 1040633-95-1
N-(4-Chlorophenyl)-2-[(3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide
CAS 1040633-95-1C21H16ClN3O2S2
N-(2-Chlorophenyl)-2-[(3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide chemical structure, C21H16ClN3O2S2, CAS 1040682-45-8
N-(2-Chlorophenyl)-2-[(3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide
CAS 1040682-45-8C21H16ClN3O2S2
N-(3-Chlorophenyl)-2-[(3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide chemical structure, C21H16ClN3O2S2, CAS 1040682-53-8
N-(3-Chlorophenyl)-2-[(3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]acetamide
CAS 1040682-53-8C21H16ClN3O2S2
N-Benzyl-2-{[3-(4-chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide chemical structure, C21H16ClN3O2S2, CAS 440325-32-6
N-Benzyl-2-{[3-(4-chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide
CAS 440325-32-6C21H16ClN3O2S2
2-({3-Benzyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-(2-chlorophenyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 451468-37-4
2-({3-Benzyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-(2-chlorophenyl)acetamide
CAS 451468-37-4C21H16ClN3O2S2
(5Z)-5-{[3-(3-Chloro-4-ethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-thioxo-1,3-thiazolidin-4-one chemical structure, C21H16ClN3O2S2, CAS 956706-02-8
(5Z)-5-{[3-(3-Chloro-4-ethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-thioxo-1,3-thiazolidin-4-one
CAS 956706-02-8C21H16ClN3O2S2
(E)-5-(4-Chlorobenzylidene)-3-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-thioxothiazolidin-4-one chemical structure, C21H16ClN3O2S2, CAS 190653-58-8
(E)-5-(4-Chlorobenzylidene)-3-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-thioxothiazolidin-4-one
CAS 190653-58-8C21H16ClN3O2S2
(E)-N-(7-Chloro-4-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide chemical structure, C21H16ClN3O2S2, CAS 886965-33-9
(E)-N-(7-Chloro-4-methoxybenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide
CAS 886965-33-9C21H16ClN3O2S2
2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(2-methylphenyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1260984-17-5
2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(2-methylphenyl)acetamide
CAS 1260984-17-5C21H16ClN3O2S2
2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(3-methylphenyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1260939-14-7
2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(3-methylphenyl)acetamide
CAS 1260939-14-7C21H16ClN3O2S2
2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-methyl-N-phenylacetamide chemical structure, C21H16ClN3O2S2, CAS 1261011-45-3
2-{[3-(4-Chlorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-methyl-N-phenylacetamide
CAS 1261011-45-3C21H16ClN3O2S2
N-(3-Chlorophenyl)-2-{[3-(2-methylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide chemical structure, C21H16ClN3O2S2, CAS 1291857-04-9
N-(3-Chlorophenyl)-2-{[3-(2-methylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide
CAS 1291857-04-9C21H16ClN3O2S2
N-(4-Chlorophenyl)-2-{[3-(2-methylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide chemical structure, C21H16ClN3O2S2, CAS 1291862-84-4
N-(4-Chlorophenyl)-2-{[3-(2-methylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide
CAS 1291862-84-4C21H16ClN3O2S2
2-{[3-(4-Chlorophenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(4-methylphenyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1794989-83-5
2-{[3-(4-Chlorophenyl)-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(4-methylphenyl)acetamide
CAS 1794989-83-5C21H16ClN3O2S2
N-[[4-Chloro-3-(5,6-dimethyl-1,3-benzoxazol-2-yl)phenyl]carbamothioyl]thiophene-2-carboxamide chemical structure, C21H16ClN3O2S2, CAS 426240-64-4
N-[[4-Chloro-3-(5,6-dimethyl-1,3-benzoxazol-2-yl)phenyl]carbamothioyl]thiophene-2-carboxamide
CAS 426240-64-4C21H16ClN3O2S2
Methyl 2-[({5-[2-(4-chloroanilino)vinyl]-4-cyano-3-isothiazolyl}sulfanyl)methyl]benzenecarboxylate chemical structure, C21H16ClN3O2S2, CAS 338778-49-7
Methyl 2-[({5-[2-(4-chloroanilino)vinyl]-4-cyano-3-isothiazolyl}sulfanyl)methyl]benzenecarboxylate
CAS 338778-49-7C21H16ClN3O2S2
2-(4-Chlorophenyl)-3-({[(2-thienylcarbonyl)oxy]imino}methyl)-5,6,7,8-tetrahydroimidazo[2,1-b][1,3]benzothiazole chemical structure, C21H16ClN3O2S2, CAS 478041-87-1
2-(4-Chlorophenyl)-3-({[(2-thienylcarbonyl)oxy]imino}methyl)-5,6,7,8-tetrahydroimidazo[2,1-b][1,3]benzothiazole
CAS 478041-87-1C21H16ClN3O2S2
N-(2-Chlorophenyl)-2-({3-methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1105252-20-7
N-(2-Chlorophenyl)-2-({3-methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide
CAS 1105252-20-7C21H16ClN3O2S2
2-({3-Benzyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-(3-chlorophenyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1252911-63-9
2-({3-Benzyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-(3-chlorophenyl)acetamide
CAS 1252911-63-9C21H16ClN3O2S2
N-(3-Chlorophenyl)-2-({3-methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide chemical structure, C21H16ClN3O2S2, CAS 1105199-99-2
N-(3-Chlorophenyl)-2-({3-methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide
CAS 1105199-99-2C21H16ClN3O2S2

Frequently asked questions

What is the molar mass of C21H16ClN3O2S2?

The molar mass of C21H16ClN3O2S2 is 441.95 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 441.0372 Da.

How many compounds have the formula C21H16ClN3O2S2?

CompoundList lists 25 compounds with the molecular formula C21H16ClN3O2S2, including (5Z)-5-((3-(3-Chloro-4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-methyl-2-thioxo-1,3-thiazolidin-4-one, 2-[7-(4-Chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide, Ripk3-IN-2. 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 C21H16ClN3O2S2?

C21H16ClN3O2S2 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.