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Molecular formula

C21H19N5OS

71 compounds have this formula on CompoundList.

Molar mass
389.48g/mol
Monoisotopic mass
389.1310Da
Atoms
47
Elements
5
Rings plus double bonds
15

The formula C21H19N5OS describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom 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 × 2164.76%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.92%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 517.98%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 14.11%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 18.23%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H19N5OS

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

Showing 1 to 71 of 71 compounds

N-(2-Aminophenyl)-4-(1-(2-(3-thienyl)ethyl)-1H-1,2,3-triazol-4-yl)benzamide chemical structure, C21H19N5OS, CAS 1451042-18-4
N-(2-Aminophenyl)-4-(1-(2-(3-thienyl)ethyl)-1H-1,2,3-triazol-4-yl)benzamide
CAS 1451042-18-4C21H19N5OS
6-{[(4-Methylphenyl)thio]methyl}-2-[(4-methylquinazolin-2-yl)amino]pyrimidin-4-ol chemical structure, C21H19N5OS, CAS 372973-71-2
6-{[(4-Methylphenyl)thio]methyl}-2-[(4-methylquinazolin-2-yl)amino]pyrimidin-4-ol
CAS 372973-71-2C21H19N5OS
2-((4-Ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)-N-(1-naphthyl)acetamide chemical structure, C21H19N5OS, CAS 333418-45-4
2-((4-Ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)-N-(1-naphthyl)acetamide
CAS 333418-45-4C21H19N5OS
2-((4-Ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)-N-(1-naphthyl)acetamide chemical structure, C21H19N5OS, CAS 482639-80-5
2-((4-Ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)-N-(1-naphthyl)acetamide
CAS 482639-80-5C21H19N5OS
2-(Benzylsulfanyl)-9-(3-pyridinyl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one chemical structure, C21H19N5OS, CAS 536981-18-7
2-(Benzylsulfanyl)-9-(3-pyridinyl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one
CAS 536981-18-7C21H19N5OS
N-Cyclopropyl-4-{8-[(Thiophen-2-Ylmethyl)amino]imidazo[1,2-A]pyrazin-3-Yl}benzamide chemical structure, C21H19N5OS, CAS 1263421-11-9
N-Cyclopropyl-4-{8-[(Thiophen-2-Ylmethyl)amino]imidazo[1,2-A]pyrazin-3-Yl}benzamide
CAS 1263421-11-9C21H19N5OS
(E)-4-(2-(2,4-Dimethylphenyl)hydrazono)-3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5(4H)-one chemical structure, C21H19N5OS, CAS 314291-98-0
(E)-4-(2-(2,4-Dimethylphenyl)hydrazono)-3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5(4H)-one
CAS 314291-98-0C21H19N5OS
1-(2,5-Dimethyl-1-phenyl-1H-pyrrol-3-yl)-2-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]ethan-1-one chemical structure, C21H19N5OS, CAS 307512-50-1
1-(2,5-Dimethyl-1-phenyl-1H-pyrrol-3-yl)-2-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]ethan-1-one
CAS 307512-50-1C21H19N5OS
2-{[5-Methyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N,N-diphenylacetamide chemical structure, C21H19N5OS, CAS 877814-20-5
2-{[5-Methyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N,N-diphenylacetamide
CAS 877814-20-5C21H19N5OS
N-(3-(3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)-3-(phenylthio)propanamide chemical structure, C21H19N5OS, CAS 1206987-69-0
N-(3-(3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)-3-(phenylthio)propanamide
CAS 1206987-69-0C21H19N5OS
N-[3-(3-Thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl]cyclopentanecarboxamide chemical structure, C21H19N5OS, CAS 891123-73-2
N-[3-(3-Thiophen-2-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl]cyclopentanecarboxamide
CAS 891123-73-2C21H19N5OS
N-(4-Ethylphenyl)-2-(1-naphthalen-1-yltetrazol-5-yl)sulfanylacetamide chemical structure, C21H19N5OS, CAS 311766-72-0
N-(4-Ethylphenyl)-2-(1-naphthalen-1-yltetrazol-5-yl)sulfanylacetamide
CAS 311766-72-0C21H19N5OS
N-Phenethyl-2-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H19N5OS, CAS 516461-38-4
N-Phenethyl-2-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide
CAS 516461-38-4C21H19N5OS
2-[[4-Ethyl-5-(2-phenylquinolin-4-yl)-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C21H19N5OS, CAS 588680-55-1
2-[[4-Ethyl-5-(2-phenylquinolin-4-yl)-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 588680-55-1C21H19N5OS
N-(2,3-Dimethylphenyl)-2-(1-naphthalen-1-yltetrazol-5-yl)sulfanylacetamide chemical structure, C21H19N5OS, CAS 303065-42-1
N-(2,3-Dimethylphenyl)-2-(1-naphthalen-1-yltetrazol-5-yl)sulfanylacetamide
CAS 303065-42-1C21H19N5OS
2-[(4-Allyl-5-pyridin-3-yl-4H-1,2,4-triazol-3-yl)thio]-1-(2-methyl-1H-indol-3-yl)ethanone chemical structure, C21H19N5OS, CAS 878440-47-2
2-[(4-Allyl-5-pyridin-3-yl-4H-1,2,4-triazol-3-yl)thio]-1-(2-methyl-1H-indol-3-yl)ethanone
CAS 878440-47-2C21H19N5OS
N-(2,5-Dimethylphenyl)-2-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H19N5OS, CAS 483984-50-5
N-(2,5-Dimethylphenyl)-2-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamide
CAS 483984-50-5C21H19N5OS
N-(2,3-Dimethylphenyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide chemical structure, C21H19N5OS, CAS 335223-57-9
N-(2,3-Dimethylphenyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide
CAS 335223-57-9C21H19N5OS
N-(2,4-Dimethylphenyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide chemical structure, C21H19N5OS, CAS 335223-61-5
N-(2,4-Dimethylphenyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide
CAS 335223-61-5C21H19N5OS
N-(4-Ethylphenyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide chemical structure, C21H19N5OS, CAS 586987-43-1
N-(4-Ethylphenyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide
CAS 586987-43-1C21H19N5OS
2-{[4-(3,5-Dimethyl-1H-pyrazol-1-yl)-1-phthalazinyl]sulfanyl}-N-phenylacetamide chemical structure, C21H19N5OS, CAS 606122-22-9
2-{[4-(3,5-Dimethyl-1H-pyrazol-1-yl)-1-phthalazinyl]sulfanyl}-N-phenylacetamide
CAS 606122-22-9C21H19N5OS
N-Benzyl-2-((3-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H19N5OS, CAS 852375-79-2
N-Benzyl-2-((3-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide
CAS 852375-79-2C21H19N5OS
N-[(4-Methylphenyl)methyl]-2-({6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl}sulfanyl)acetamide chemical structure, C21H19N5OS, CAS 891118-88-0
N-[(4-Methylphenyl)methyl]-2-({6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl}sulfanyl)acetamide
CAS 891118-88-0C21H19N5OS
3-Isopropyl-1-phenyl-N-(4-(pyridin-2-yl)thiazol-2-yl)-1H-pyrazole-5-carboxamide chemical structure, C21H19N5OS, CAS 1324075-23-1
3-Isopropyl-1-phenyl-N-(4-(pyridin-2-yl)thiazol-2-yl)-1H-pyrazole-5-carboxamide
CAS 1324075-23-1C21H19N5OS

Frequently asked questions

What is the molar mass of C21H19N5OS?

The molar mass of C21H19N5OS is 389.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 389.1310 Da.

How many compounds have the formula C21H19N5OS?

CompoundList lists 71 compounds with the molecular formula C21H19N5OS, including N-(2-Aminophenyl)-4-(1-(2-(3-thienyl)ethyl)-1H-1,2,3-triazol-4-yl)benzamide, 6-{[(4-Methylphenyl)thio]methyl}-2-[(4-methylquinazolin-2-yl)amino]pyrimidin-4-ol, 2-((4-Ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)-N-(1-naphthyl)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 C21H19N5OS?

C21H19N5OS 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.