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Molecular formula

C18H19N5S

32 compounds have this formula on CompoundList.

Molar mass
337.44g/mol
Monoisotopic mass
337.1361Da
Atoms
43
Elements
4
Rings plus double bonds
12

The formula C18H19N5S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen 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 × 1864.07%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 195.68%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 520.75%
    14.007 × 5 = 70.035 g/mol
  • S Sulfur × 19.50%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H19N5S

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

Showing 1 to 32 of 32 compounds

N-[5-(2-Phenylethyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]-1,3-benzothiazol-2-amine chemical structure, C18H19N5S, CAS 672919-74-3
N-[5-(2-Phenylethyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]-1,3-benzothiazol-2-amine
CAS 672919-74-3C18H19N5S
4-((4-tert-Butylbenzylidene)amino)-5-(2-pyridinyl)-4H-1,2,4-triazole-3-thiol chemical structure, C18H19N5S, CAS 613248-25-2
4-((4-tert-Butylbenzylidene)amino)-5-(2-pyridinyl)-4H-1,2,4-triazole-3-thiol
CAS 613248-25-2C18H19N5S
4-((4-(Dimethylamino)benzylidene)amino)-5-(3-ME-PH)-4H-1,2,4-triazole-3-thiol chemical structure, C18H19N5S, CAS 478255-96-8
4-((4-(Dimethylamino)benzylidene)amino)-5-(3-ME-PH)-4H-1,2,4-triazole-3-thiol
CAS 478255-96-8C18H19N5S
8-((2,4-Dimethylphenyl)thio)-3-(pent-4-yn-1-yl)-3H-purin-6-amine chemical structure, C18H19N5S, CAS 1454619-13-6
8-((2,4-Dimethylphenyl)thio)-3-(pent-4-yn-1-yl)-3H-purin-6-amine
CAS 1454619-13-6C18H19N5S
8-(2,4-Dimethyl-phenylsulfanyl)-9-pent-4-ynyl-9H-purin-6-ylamine chemical structure, C18H19N5S, CAS 852030-37-6
8-(2,4-Dimethyl-phenylsulfanyl)-9-pent-4-ynyl-9H-purin-6-ylamine
CAS 852030-37-6C18H19N5S
(E)-3-Phenyl-N-[2-(1-phenyltetrazol-5-yl)sulfanylethyl]prop-2-en-1-amine chemical structure, C18H19N5S, CAS 1053055-96-1
(E)-3-Phenyl-N-[2-(1-phenyltetrazol-5-yl)sulfanylethyl]prop-2-en-1-amine
CAS 1053055-96-1C18H19N5S
4-({(E)-[4-(Dimethylamino)phenyl]methylidene}amino)-5-(2-methylphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione chemical structure, C18H19N5S, CAS 500106-05-8
4-({(E)-[4-(Dimethylamino)phenyl]methylidene}amino)-5-(2-methylphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
CAS 500106-05-8C18H19N5S
Ikk-IN-4 chemical structure, C18H19N5S, CAS 615529-94-7
Ikk-IN-4
CAS 615529-94-7C18H19N5S
4-[(E)-(4-tert-Butylphenyl)methylideneamino]-3-pyridin-4-yl-1H-1,2,4-triazole-5-thione chemical structure, C18H19N5S, CAS 497240-74-1
4-[(E)-(4-tert-Butylphenyl)methylideneamino]-3-pyridin-4-yl-1H-1,2,4-triazole-5-thione
CAS 497240-74-1C18H19N5S
4-[(E)-(4-tert-Butylphenyl)methylideneamino]-3-pyridin-3-yl-1H-1,2,4-triazole-5-thione chemical structure, C18H19N5S, CAS 488853-17-4
4-[(E)-(4-tert-Butylphenyl)methylideneamino]-3-pyridin-3-yl-1H-1,2,4-triazole-5-thione
CAS 488853-17-4C18H19N5S
4-Bicyclo[2.2.1]hept-2-yl-5-(3-phenyl-1H-pyrazol-5-yl)-4H-1,2,4-triazol-3-yl hydrosulfide chemical structure, C18H19N5S, CAS 1030316-61-0
4-Bicyclo[2.2.1]hept-2-yl-5-(3-phenyl-1H-pyrazol-5-yl)-4H-1,2,4-triazol-3-yl hydrosulfide
CAS 1030316-61-0C18H19N5S
6-(1-Adamantyl)-3-pyridin-4-yl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H19N5S, CAS 887672-63-1
6-(1-Adamantyl)-3-pyridin-4-yl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 887672-63-1C18H19N5S
4-({(E)-[4-(Dimethylamino)phenyl]methylidene}amino)-5-(4-methylphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione chemical structure, C18H19N5S, CAS 419550-40-6
4-({(E)-[4-(Dimethylamino)phenyl]methylidene}amino)-5-(4-methylphenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
CAS 419550-40-6C18H19N5S
2-Pyrazinamine, N-(5-phenyl-2-thiazolyl)-6-(4-piperidinyl)- chemical structure, C18H19N5S, CAS 1415812-60-0
2-Pyrazinamine, N-(5-phenyl-2-thiazolyl)-6-(4-piperidinyl)-
CAS 1415812-60-0C18H19N5S
3-(1-Adamantyl)-6-(3-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H19N5S, CAS 1447972-53-3
3-(1-Adamantyl)-6-(3-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 1447972-53-3C18H19N5S
6-(1-Adamantyl)-3-(3-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H19N5S, CAS 1447973-31-0
6-(1-Adamantyl)-3-(3-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 1447973-31-0C18H19N5S
3-(1-Adamantyl)-6-(4-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H19N5S, CAS 1447973-29-6
3-(1-Adamantyl)-6-(4-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 1447973-29-6C18H19N5S
2-[5-(6-Methylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1,3-benzothiazole chemical structure, C18H19N5S, CAS 2415630-39-4
2-[5-(6-Methylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1,3-benzothiazole
CAS 2415630-39-4C18H19N5S
4-[(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)amino]-2-(methylthio)-3-quinolinecarbonitrile chemical structure, C18H19N5S, CAS 1204921-91-4
4-[(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)amino]-2-(methylthio)-3-quinolinecarbonitrile
CAS 1204921-91-4C18H19N5S
N-Methyl-N-[(2-phenyl-1,3-thiazol-4-yl)methyl]-1-(pyrazin-2-yl)azetidin-3-amine chemical structure, C18H19N5S, CAS 2380039-91-6
N-Methyl-N-[(2-phenyl-1,3-thiazol-4-yl)methyl]-1-(pyrazin-2-yl)azetidin-3-amine
CAS 2380039-91-6C18H19N5S
2-Cyclopropyl-1-[1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole chemical structure, C18H19N5S, CAS 2380185-93-1
2-Cyclopropyl-1-[1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole
CAS 2380185-93-1C18H19N5S
2-Cyclopropyl-1-[1-(3-cyclopropyl-1,2,4-thiadiazol-5-yl)azetidin-3-yl]-1H-1,3-benzodiazole chemical structure, C18H19N5S, CAS 2380193-10-0
2-Cyclopropyl-1-[1-(3-cyclopropyl-1,2,4-thiadiazol-5-yl)azetidin-3-yl]-1H-1,3-benzodiazole
CAS 2380193-10-0C18H19N5S
4-(4-Phenylpiperazin-1-yl)-6-(thiophen-2-yl)pyrimidin-2-amine chemical structure, C18H19N5S, CAS 832075-96-4
4-(4-Phenylpiperazin-1-yl)-6-(thiophen-2-yl)pyrimidin-2-amine
CAS 832075-96-4C18H19N5S
6-(1-Adamantyl)-3-(2-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H19N5S, CAS 1459280-11-5
6-(1-Adamantyl)-3-(2-pyridinyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 1459280-11-5C18H19N5S

Frequently asked questions

What is the molar mass of C18H19N5S?

The molar mass of C18H19N5S is 337.44 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 337.1361 Da.

How many compounds have the formula C18H19N5S?

CompoundList lists 32 compounds with the molecular formula C18H19N5S, including N-[5-(2-Phenylethyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]-1,3-benzothiazol-2-amine, 4-((4-tert-Butylbenzylidene)amino)-5-(2-pyridinyl)-4H-1,2,4-triazole-3-thiol, 4-((4-(Dimethylamino)benzylidene)amino)-5-(3-ME-PH)-4H-1,2,4-triazole-3-thiol. 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 C18H19N5S?

C18H19N5S has a degree of unsaturation of 12. 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.