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Molecular formula

C21H17N3O2S2

51 compounds have this formula on CompoundList.

Molar mass
407.51g/mol
Monoisotopic mass
407.0762Da
Atoms
45
Elements
5
Rings plus double bonds
15

The formula C21H17N3O2S2 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 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 × 2161.90%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.21%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 310.31%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 27.85%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 215.73%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H17N3O2S2

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

Showing 1 to 51 of 51 compounds

2-[[5-(Phenoxymethyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-1-thiophen-2-ylethanone chemical structure, C21H17N3O2S2, CAS 309268-80-2
2-[[5-(Phenoxymethyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-1-thiophen-2-ylethanone
CAS 309268-80-2C21H17N3O2S2
1-(4-Methoxyphenyl)-2-((4-phenyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)ethanone chemical structure, C21H17N3O2S2, CAS 326881-98-5
1-(4-Methoxyphenyl)-2-((4-phenyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)ethanone
CAS 326881-98-5C21H17N3O2S2
N-Methyl-2-[(4-oxo-5-phenyl-3H-thieno[2,3-d]pyrimidin-2-yl)sulfanyl]-N-phenylacetamide chemical structure, C21H17N3O2S2, CAS 745069-36-7
N-Methyl-2-[(4-oxo-5-phenyl-3H-thieno[2,3-d]pyrimidin-2-yl)sulfanyl]-N-phenylacetamide
CAS 745069-36-7C21H17N3O2S2
N-(1,3-Benzothiazol-2-yl)-N'-(2-methylphenyl)sulfonylbenzenecarboximidamide chemical structure, C21H17N3O2S2, CAS 519153-40-3
N-(1,3-Benzothiazol-2-yl)-N'-(2-methylphenyl)sulfonylbenzenecarboximidamide
CAS 519153-40-3C21H17N3O2S2
N-[3-(Methylthio)phenyl]-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H17N3O2S2, CAS 1105235-84-4
N-[3-(Methylthio)phenyl]-2-(4-oxo-7-phenylthieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1105235-84-4C21H17N3O2S2
5-(((4-Phenylthiazol-2-yl)thio)methyl)-N-(pyridin-2-ylmethyl)furan-2-carboxamide chemical structure, C21H17N3O2S2, CAS 1105209-73-1
5-(((4-Phenylthiazol-2-yl)thio)methyl)-N-(pyridin-2-ylmethyl)furan-2-carboxamide
CAS 1105209-73-1C21H17N3O2S2
Dyrk1A/B-IN-1 chemical structure, C21H17N3O2S2, CAS 3032401-50-3
Dyrk1A/B-IN-1
CAS 3032401-50-3C21H17N3O2S2
N-(3-Carbamoyl-4,5-dimethylthiophen-2-yl)-2-(thiophen-2-yl)quinoline-4-carboxamide chemical structure, C21H17N3O2S2, CAS 420093-75-0
N-(3-Carbamoyl-4,5-dimethylthiophen-2-yl)-2-(thiophen-2-yl)quinoline-4-carboxamide
CAS 420093-75-0C21H17N3O2S2
2-[(3-Methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]-N-phenylacetamide chemical structure, C21H17N3O2S2, CAS 1040632-26-5
2-[(3-Methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio]-N-phenylacetamide
CAS 1040632-26-5C21H17N3O2S2
3-(Furan-2-ylmethyl)-2-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)thiazolidin-4-one chemical structure, C21H17N3O2S2, CAS 380483-23-8
3-(Furan-2-ylmethyl)-2-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)thiazolidin-4-one
CAS 380483-23-8C21H17N3O2S2
2-(((2-Phenyl-4-(phenylsulfonyl)-1H-imidazol-5-yl)thio)methyl)pyridine chemical structure, C21H17N3O2S2, CAS 1021052-51-6
2-(((2-Phenyl-4-(phenylsulfonyl)-1H-imidazol-5-yl)thio)methyl)pyridine
CAS 1021052-51-6C21H17N3O2S2
4-(((2-Phenyl-4-(phenylsulfonyl)-1H-imidazol-5-yl)thio)methyl)pyridine chemical structure, C21H17N3O2S2, CAS 1020979-37-6
4-(((2-Phenyl-4-(phenylsulfonyl)-1H-imidazol-5-yl)thio)methyl)pyridine
CAS 1020979-37-6C21H17N3O2S2
(Z)-1-(4-(Methylthio)phenyl)-3-(2-oxo-3-(thiophen-2-ylmethylene)indolin-5-yl)urea chemical structure, C21H17N3O2S2, CAS 1821481-31-5
(Z)-1-(4-(Methylthio)phenyl)-3-(2-oxo-3-(thiophen-2-ylmethylene)indolin-5-yl)urea
CAS 1821481-31-5C21H17N3O2S2
2-[[4-(4-Methoxyphenyl)-5-thiophen-2-yl-1,2,4-triazol-3-yl]sulfanyl]-1-phenylethanone chemical structure, C21H17N3O2S2, CAS 496776-04-6
2-[[4-(4-Methoxyphenyl)-5-thiophen-2-yl-1,2,4-triazol-3-yl]sulfanyl]-1-phenylethanone
CAS 496776-04-6C21H17N3O2S2
N-{[2-Methyl-3-(5-methyl-1,3-benzoxazol-2-yl)phenyl]carbamothioyl}thiophene-2-carboxamide chemical structure, C21H17N3O2S2, CAS 347331-57-1
N-{[2-Methyl-3-(5-methyl-1,3-benzoxazol-2-yl)phenyl]carbamothioyl}thiophene-2-carboxamide
CAS 347331-57-1C21H17N3O2S2
(5Z)-5-{[3-(3-Ethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-thioxo-1,3-thiazolidin-4-one chemical structure, C21H17N3O2S2, CAS 1002008-30-1
(5Z)-5-{[3-(3-Ethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-thioxo-1,3-thiazolidin-4-one
CAS 1002008-30-1C21H17N3O2S2
N-(Benzo[d]thiazol-2-yl)-4-((4-cyclopropylthiazol-2-yl)methoxy)benzamide chemical structure, C21H17N3O2S2, CAS 1251689-59-4
N-(Benzo[d]thiazol-2-yl)-4-((4-cyclopropylthiazol-2-yl)methoxy)benzamide
CAS 1251689-59-4C21H17N3O2S2
1-(4-Methyl-1,3-benzothiazol-2-yl)azetidin-3-yl 2-phenyl-1,3-thiazole-4-carboxylate chemical structure, C21H17N3O2S2, CAS 1396860-35-7
1-(4-Methyl-1,3-benzothiazol-2-yl)azetidin-3-yl 2-phenyl-1,3-thiazole-4-carboxylate
CAS 1396860-35-7C21H17N3O2S2
N-[[2-(3,4-Dimethylphenyl)-1,3-benzoxazol-5-yl]carbamothioyl]thiophene-2-carboxamide chemical structure, C21H17N3O2S2, CAS 532407-50-4
N-[[2-(3,4-Dimethylphenyl)-1,3-benzoxazol-5-yl]carbamothioyl]thiophene-2-carboxamide
CAS 532407-50-4C21H17N3O2S2
N-[[4-(5-Ethyl-1,3-benzoxazol-2-yl)phenyl]carbamothioyl]thiophene-2-carboxamide chemical structure, C21H17N3O2S2, CAS 401610-95-5
N-[[4-(5-Ethyl-1,3-benzoxazol-2-yl)phenyl]carbamothioyl]thiophene-2-carboxamide
CAS 401610-95-5C21H17N3O2S2
Methyl 2-({[5-(2-anilinovinyl)-4-cyano-3-isothiazolyl]sulfanyl}methyl)benzenecarboxylate chemical structure, C21H17N3O2S2, CAS 338778-47-5
Methyl 2-({[5-(2-anilinovinyl)-4-cyano-3-isothiazolyl]sulfanyl}methyl)benzenecarboxylate
CAS 338778-47-5C21H17N3O2S2
3-[(4-Methylpyrimidin-2-yl)sulfanyl]-1-[2-(phenylsulfanyl)phenyl]pyrrolidine-2,5-dione chemical structure, C21H17N3O2S2, CAS 879580-54-8
3-[(4-Methylpyrimidin-2-yl)sulfanyl]-1-[2-(phenylsulfanyl)phenyl]pyrrolidine-2,5-dione
CAS 879580-54-8C21H17N3O2S2
2-({3-Methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-phenylacetamide chemical structure, C21H17N3O2S2, CAS 1105251-52-2
2-({3-Methyl-4-oxo-6-phenyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)-N-phenylacetamide
CAS 1105251-52-2C21H17N3O2S2
2-{[3-(2-Methylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-phenylacetamide chemical structure, C21H17N3O2S2, CAS 1291862-55-9
2-{[3-(2-Methylphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-phenylacetamide
CAS 1291862-55-9C21H17N3O2S2

Frequently asked questions

What is the molar mass of C21H17N3O2S2?

The molar mass of C21H17N3O2S2 is 407.51 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 407.0762 Da.

How many compounds have the formula C21H17N3O2S2?

CompoundList lists 51 compounds with the molecular formula C21H17N3O2S2, including 2-[[5-(Phenoxymethyl)-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]-1-thiophen-2-ylethanone, 1-(4-Methoxyphenyl)-2-((4-phenyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)ethanone, N-Methyl-2-[(4-oxo-5-phenyl-3H-thieno[2,3-d]pyrimidin-2-yl)sulfanyl]-N-phenylacetamide. 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 C21H17N3O2S2?

C21H17N3O2S2 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.