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Molecular formula

C21H15N5O3S

16 compounds have this formula on CompoundList.

Molar mass
417.44g/mol
Monoisotopic mass
417.0896Da
Atoms
45
Elements
5
Rings plus double bonds
17

The formula C21H15N5O3S describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. 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 × 2160.42%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 153.62%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 516.78%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 311.50%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 17.68%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H15N5O3S

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

Showing 1 to 16 of 16 compounds

(E)-N1-(furan-2-ylmethylene)-3-(phenylsulfonyl)-1H-pyrrolo[2,3-b]quinoxaline-1,2-diamine chemical structure, C21H15N5O3S, CAS 843631-48-1
(E)-N1-(furan-2-ylmethylene)-3-(phenylsulfonyl)-1H-pyrrolo[2,3-b]quinoxaline-1,2-diamine
CAS 843631-48-1C21H15N5O3S
1-(3-Nitrophenyl)-2-[(4-phenyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone chemical structure, C21H15N5O3S, CAS 433702-54-6
1-(3-Nitrophenyl)-2-[(4-phenyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone
CAS 433702-54-6C21H15N5O3S
N-[1-(1,3-Benzothiazol-2-yl)-3-methyl-1H-pyrazol-5-yl]-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamide chemical structure, C21H15N5O3S, CAS 1171062-34-2
N-[1-(1,3-Benzothiazol-2-yl)-3-methyl-1H-pyrazol-5-yl]-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamide
CAS 1171062-34-2C21H15N5O3S
1-(4-Nitrophenyl)-2-[(4-phenyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone chemical structure, C21H15N5O3S, CAS 325694-23-3
1-(4-Nitrophenyl)-2-[(4-phenyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone
CAS 325694-23-3C21H15N5O3S
1-(3-Nitrophenyl)-2-((4-phenyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethanone chemical structure, C21H15N5O3S, CAS 326889-65-0
1-(3-Nitrophenyl)-2-((4-phenyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethanone
CAS 326889-65-0C21H15N5O3S
2-{(3Z)-3-[2-(3-Methylphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]-2-oxo-2,3-dihydro-1H-indol-1-yl}acetamide chemical structure, C21H15N5O3S, CAS 585561-25-7
2-{(3Z)-3-[2-(3-Methylphenyl)-6-oxo[1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene]-2-oxo-2,3-dihydro-1H-indol-1-yl}acetamide
CAS 585561-25-7C21H15N5O3S
(2E)-N-Benzyl-2-cyano-3-[3-nitro-4-(pyrimidin-2-ylsulfanyl)phenyl]prop-2-enamide chemical structure, C21H15N5O3S, CAS 561294-90-4
(2E)-N-Benzyl-2-cyano-3-[3-nitro-4-(pyrimidin-2-ylsulfanyl)phenyl]prop-2-enamide
CAS 561294-90-4C21H15N5O3S
N-[(Furan-2-yl)methyl]-4-({5-oxo-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-2-yl}amino)benzamide chemical structure, C21H15N5O3S, CAS 1114627-40-5
N-[(Furan-2-yl)methyl]-4-({5-oxo-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-2-yl}amino)benzamide
CAS 1114627-40-5C21H15N5O3S
2-({6-[4-(1H-Imidazol-1-yl)phenyl]pyridazin-3-yl}sulfanyl)-1-(4-nitrophenyl)ethan-1-one chemical structure, C21H15N5O3S, CAS 898410-25-8
2-({6-[4-(1H-Imidazol-1-yl)phenyl]pyridazin-3-yl}sulfanyl)-1-(4-nitrophenyl)ethan-1-one
CAS 898410-25-8C21H15N5O3S
1-((5-Benzyl-1,2,4-oxadiazol-3-yl)methyl)-5-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one chemical structure, C21H15N5O3S, CAS 1396761-12-8
1-((5-Benzyl-1,2,4-oxadiazol-3-yl)methyl)-5-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one
CAS 1396761-12-8C21H15N5O3S
2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)-N-(2-(imidazo[2,1-b]thiazol-6-yl)phenyl)acetamide chemical structure, C21H15N5O3S, CAS 1795457-02-1
2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)-N-(2-(imidazo[2,1-b]thiazol-6-yl)phenyl)acetamide
CAS 1795457-02-1C21H15N5O3S
N-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl)benzofuran-2-carboxamide chemical structure, C21H15N5O3S, CAS 1173072-40-6
N-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl)benzofuran-2-carboxamide
CAS 1173072-40-6C21H15N5O3S
(Z)-N-Benzyl-2-cyano-3-(3-nitro-4-pyrimidin-2-ylsulfanylphenyl)prop-2-enamide chemical structure, C21H15N5O3S
(Z)-N-Benzyl-2-cyano-3-(3-nitro-4-pyrimidin-2-ylsulfanylphenyl)prop-2-enamide
C21H15N5O3S
[4-[1-(2-Methylphenyl)tetrazol-5-yl]sulfanyl-3-nitrophenyl]-phenylmethanone chemical structure, C21H15N5O3S, CAS 852301-66-7
[4-[1-(2-Methylphenyl)tetrazol-5-yl]sulfanyl-3-nitrophenyl]-phenylmethanone
CAS 852301-66-7C21H15N5O3S
N'-[(3-Nitro-6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-N-phenyl-1,3-benzothiazole-2-carbohydrazonamide chemical structure, C21H15N5O3S, CAS 7038-36-0
N'-[(3-Nitro-6-oxocyclohexa-2,4-dien-1-ylidene)methyl]-N-phenyl-1,3-benzothiazole-2-carbohydrazonamide
CAS 7038-36-0C21H15N5O3S
N-[(2-Hydroxy-5-nitrophenyl)methylideneamino]-N'-phenyl-1,3-benzothiazole-2-carboximidamide chemical structure, C21H15N5O3S
N-[(2-Hydroxy-5-nitrophenyl)methylideneamino]-N'-phenyl-1,3-benzothiazole-2-carboximidamide
C21H15N5O3S

Frequently asked questions

What is the molar mass of C21H15N5O3S?

The molar mass of C21H15N5O3S is 417.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 417.0896 Da.

How many compounds have the formula C21H15N5O3S?

CompoundList lists 16 compounds with the molecular formula C21H15N5O3S, including (E)-N1-(furan-2-ylmethylene)-3-(phenylsulfonyl)-1H-pyrrolo[2,3-b]quinoxaline-1,2-diamine, 1-(3-Nitrophenyl)-2-[(4-phenyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone, N-[1-(1,3-Benzothiazol-2-yl)-3-methyl-1H-pyrazol-5-yl]-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamide. 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 C21H15N5O3S?

C21H15N5O3S has a degree of unsaturation of 17. 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.