CompoundList
Molecular formula

C20H21N5O2S

124 compounds have this formula on CompoundList.

Molar mass
395.48g/mol
Monoisotopic mass
395.1416Da
Atoms
49
Elements
5
Rings plus double bonds
13

The formula C20H21N5O2S describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 2 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 × 2060.74%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 215.35%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 517.71%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 28.09%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 18.11%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C20H21N5O2S

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

Showing 1 to 100 of 124 compounds

1-[6-(1-Methylpyrrol-2-yl)-3-propylsulfanyl-6H-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-7-yl]ethanone chemical structure, C20H21N5O2S, CAS 354778-96-4
1-[6-(1-Methylpyrrol-2-yl)-3-propylsulfanyl-6H-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-7-yl]ethanone
CAS 354778-96-4C20H21N5O2S
7-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one chemical structure, C20H21N5O2S, CAS 896317-75-2
7-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one
CAS 896317-75-2C20H21N5O2S
2-[(4-Amino-8,8-dimethyl-6,9-dihydropyrano[5,6]pyrido[1,2-c]pyrimidin-2-yl)sulfanyl]-N-phenylacetamide chemical structure, C20H21N5O2S, CAS 500279-96-9
2-[(4-Amino-8,8-dimethyl-6,9-dihydropyrano[5,6]pyrido[1,2-c]pyrimidin-2-yl)sulfanyl]-N-phenylacetamide
CAS 500279-96-9C20H21N5O2S
2-((4-Allyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl)sulfanyl)-N-(4-ethoxyphenyl)acetamide chemical structure, C20H21N5O2S, CAS 577986-73-3
2-((4-Allyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl)sulfanyl)-N-(4-ethoxyphenyl)acetamide
CAS 577986-73-3C20H21N5O2S
2((4-Allyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)N-(2-meo-5-ME-PH)acetamide chemical structure, C20H21N5O2S, CAS 578757-57-0
2((4-Allyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)N-(2-meo-5-ME-PH)acetamide
CAS 578757-57-0C20H21N5O2S
N'-Benzylidene-2-((4-ET-5-(4-meo-PH)-4H-1,2,4-triazol-3-yl)thio)acetohydrazide chemical structure, C20H21N5O2S, CAS 303102-65-0
N'-Benzylidene-2-((4-ET-5-(4-meo-PH)-4H-1,2,4-triazol-3-yl)thio)acetohydrazide
CAS 303102-65-0C20H21N5O2S
5-(Furan-2-yl(4-phenylpiperazin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol chemical structure, C20H21N5O2S, CAS 851970-02-0
5-(Furan-2-yl(4-phenylpiperazin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol
CAS 851970-02-0C20H21N5O2S
N-(4-Ethoxyphenyl)-2-{[4-(prop-2-en-1-yl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C20H21N5O2S, CAS 328020-64-0
N-(4-Ethoxyphenyl)-2-{[4-(prop-2-en-1-yl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 328020-64-0C20H21N5O2S
2-{[4-Allyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2-methoxy-5-methylphenyl)acetamide chemical structure, C20H21N5O2S, CAS 577996-66-8
2-{[4-Allyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2-methoxy-5-methylphenyl)acetamide
CAS 577996-66-8C20H21N5O2S
2-((4-ET-5-PH-4H-1,2,4-Triazol-3-yl)thio)N'-(2-methoxybenzylidene)acetohydrazide chemical structure, C20H21N5O2S, CAS 361165-39-1
2-((4-ET-5-PH-4H-1,2,4-Triazol-3-yl)thio)N'-(2-methoxybenzylidene)acetohydrazide
CAS 361165-39-1C20H21N5O2S
N,4-dimethyl-N-(1-propyl-[1,2,4]triazolo[4,3-a]quinoxalin-4-yl)benzenesulfonamide chemical structure, C20H21N5O2S, CAS 899399-84-9
N,4-dimethyl-N-(1-propyl-[1,2,4]triazolo[4,3-a]quinoxalin-4-yl)benzenesulfonamide
CAS 899399-84-9C20H21N5O2S
8-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one chemical structure, C20H21N5O2S, CAS 896328-18-0
8-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one
CAS 896328-18-0C20H21N5O2S
9-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one chemical structure, C20H21N5O2S, CAS 896338-50-4
9-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one
CAS 896338-50-4C20H21N5O2S
3-((2-Hydroxyethyl)(4-(2-(6-methoxy-2-benzothiazolyl)diazenyl)-3-methylphenyl)amino)propanenitrile chemical structure, C20H21N5O2S, CAS 73384-74-4
3-((2-Hydroxyethyl)(4-(2-(6-methoxy-2-benzothiazolyl)diazenyl)-3-methylphenyl)amino)propanenitrile
CAS 73384-74-4C20H21N5O2S
N-(2-Ethoxyphenyl)-2-{[4-(prop-2-en-1-yl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C20H21N5O2S, CAS 328020-70-8
N-(2-Ethoxyphenyl)-2-{[4-(prop-2-en-1-yl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 328020-70-8C20H21N5O2S
(1E,2E)-3-(2-Methoxyphenyl)-2-propenal [3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazone chemical structure, C20H21N5O2S, CAS 624725-07-1
(1E,2E)-3-(2-Methoxyphenyl)-2-propenal [3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazone
CAS 624725-07-1C20H21N5O2S
3-Allyl-2-hydroxybenzaldehyde (3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl)hydrazone chemical structure, C20H21N5O2S, CAS 624725-04-8
3-Allyl-2-hydroxybenzaldehyde (3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl)hydrazone
CAS 624725-04-8C20H21N5O2S
2-{[4-Allyl-5-(2-ethoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-pyridinyl)acetamide chemical structure, C20H21N5O2S, CAS 618441-17-1
2-{[4-Allyl-5-(2-ethoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-pyridinyl)acetamide
CAS 618441-17-1C20H21N5O2S
2-((4-Allyl-5-(4-ethoxyphenyl)-4H-1,2,4-triazol-3-yl)sulfanyl)-N-(4-pyridinyl)acetamide chemical structure, C20H21N5O2S, CAS 618441-10-4
2-((4-Allyl-5-(4-ethoxyphenyl)-4H-1,2,4-triazol-3-yl)sulfanyl)-N-(4-pyridinyl)acetamide
CAS 618441-10-4C20H21N5O2S
6-(Dimethylamino)-2-[2-[[(5-methyl-1,3,4-thiadiazol-2-yl)methyl]amino]ethyl]-1H-benz[de]isoquinoline-1,3(2H)-dione chemical structure, C20H21N5O2S, CAS 1579991-63-1
6-(Dimethylamino)-2-[2-[[(5-methyl-1,3,4-thiadiazol-2-yl)methyl]amino]ethyl]-1H-benz[de]isoquinoline-1,3(2H)-dione
CAS 1579991-63-1C20H21N5O2S
2-[5-(Cyanomethylsulfanyl)-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-cyclohexylacetamide chemical structure, C20H21N5O2S, CAS 1023537-23-6
2-[5-(Cyanomethylsulfanyl)-3-oxo-2H-imidazo[1,2-c]quinazolin-2-yl]-N-cyclohexylacetamide
CAS 1023537-23-6C20H21N5O2S
2-(4-(Isopropylthio)phenyl)-1-(3-(3-(pyrimidin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)ethanone chemical structure, C20H21N5O2S, CAS 1324107-25-6
2-(4-(Isopropylthio)phenyl)-1-(3-(3-(pyrimidin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)ethanone
CAS 1324107-25-6C20H21N5O2S
6,6-Dimethyl-2-(6-(1-methyl-1H-pyrazol-4-yl)-2H-benzo[b][1,4]oxazin-4(3H)-yl)-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one chemical structure, C20H21N5O2S, CAS 1000793-52-1
6,6-Dimethyl-2-(6-(1-methyl-1H-pyrazol-4-yl)-2H-benzo[b][1,4]oxazin-4(3H)-yl)-6,7-dihydrothiazolo[5,4-c]pyridin-4(5H)-one
CAS 1000793-52-1C20H21N5O2S
(4-(5-(5-Methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)(2-(methylthio)phenyl)methanone chemical structure, C20H21N5O2S, CAS 1219914-18-7
(4-(5-(5-Methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)(2-(methylthio)phenyl)methanone
CAS 1219914-18-7C20H21N5O2S

Frequently asked questions

What is the molar mass of C20H21N5O2S?

The molar mass of C20H21N5O2S is 395.48 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 395.1416 Da.

How many compounds have the formula C20H21N5O2S?

CompoundList lists 124 compounds with the molecular formula C20H21N5O2S, including 1-[6-(1-Methylpyrrol-2-yl)-3-propylsulfanyl-6H-[1,2,4]triazino[5,6-d][3,1]benzoxazepin-7-yl]ethanone, 7-Methyl-2-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanylpyrido[1,2-a][1,3,5]triazin-4-one, 2-[(4-Amino-8,8-dimethyl-6,9-dihydropyrano[5,6]pyrido[1,2-c]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 C20H21N5O2S?

C20H21N5O2S 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.