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Molecular formula

C21H19N3S

29 compounds have this formula on CompoundList.

Molar mass
345.46g/mol
Monoisotopic mass
345.1300Da
Atoms
44
Elements
4
Rings plus double bonds
14

The formula C21H19N3S describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 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 × 2173.01%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.54%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 312.16%
    14.007 × 3 = 42.021 g/mol
  • S Sulfur × 19.28%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H19N3S

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

Showing 1 to 29 of 29 compounds

4-(2,4-Dimethylphenyl)-5-(naphthalen-1-ylmethyl)-4H-1,2,4-triazole-3-thiol chemical structure, C21H19N3S, CAS 519152-04-6
4-(2,4-Dimethylphenyl)-5-(naphthalen-1-ylmethyl)-4H-1,2,4-triazole-3-thiol
CAS 519152-04-6C21H19N3S
2-(4-Methylphenyl)-4-{[(4-methylphenyl)methyl]sulfanyl}pyrazolo[1,5-A]pyrazine chemical structure, C21H19N3S, CAS 1040658-83-0
2-(4-Methylphenyl)-4-{[(4-methylphenyl)methyl]sulfanyl}pyrazolo[1,5-A]pyrazine
CAS 1040658-83-0C21H19N3S
[7-(Benzylamino)-9H-fluoren-2-yl]thiourea chemical structure, C21H19N3S, CAS 1007862-03-4
[7-(Benzylamino)-9H-fluoren-2-yl]thiourea
CAS 1007862-03-4C21H19N3S
(E)-2-(4-(4-Ethylphenyl)thiazol-2-yl)-3-(m-tolylamino)acrylonitrile chemical structure, C21H19N3S, CAS 1321781-89-8
(E)-2-(4-(4-Ethylphenyl)thiazol-2-yl)-3-(m-tolylamino)acrylonitrile
CAS 1321781-89-8C21H19N3S
2-(Diphenylmethylene)-N-(4-methylphenyl)hydrazinecarbothioamide chemical structure, C21H19N3S, CAS 182570-41-8
2-(Diphenylmethylene)-N-(4-methylphenyl)hydrazinecarbothioamide
CAS 182570-41-8C21H19N3S
6-Benzyl-2,5-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-7-thiol chemical structure, C21H19N3S, CAS 850242-99-8
6-Benzyl-2,5-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine-7-thiol
CAS 850242-99-8C21H19N3S
4-[(4-Methylbenzyl)thio]-2-(2-methylphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H19N3S, CAS 1206990-89-7
4-[(4-Methylbenzyl)thio]-2-(2-methylphenyl)pyrazolo[1,5-a]pyrazine
CAS 1206990-89-7C21H19N3S
7-(Benzylsulfanyl)-2,5-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C21H19N3S, CAS 850721-37-8
7-(Benzylsulfanyl)-2,5-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidine
CAS 850721-37-8C21H19N3S
4-(2-Amino-5-methylphenyl)-1,4-diphenyl-1,4-dihydro-1,3-diazete-2-thiol chemical structure, C21H19N3S, CAS 126145-80-0
4-(2-Amino-5-methylphenyl)-1,4-diphenyl-1,4-dihydro-1,3-diazete-2-thiol
CAS 126145-80-0C21H19N3S
5-Methyl-7-[(4-methylbenzyl)sulfanyl]-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C21H19N3S, CAS 877805-80-6
5-Methyl-7-[(4-methylbenzyl)sulfanyl]-3-phenylpyrazolo[1,5-a]pyrimidine
CAS 877805-80-6C21H19N3S
4-{[(2,5-Dimethylphenyl)methyl]sulfanyl}-2-phenylpyrazolo[1,5-A]pyrazine chemical structure, C21H19N3S, CAS 1040658-48-7
4-{[(2,5-Dimethylphenyl)methyl]sulfanyl}-2-phenylpyrazolo[1,5-A]pyrazine
CAS 1040658-48-7C21H19N3S
2-(4-Methylphenyl)-4-{[(3-methylphenyl)methyl]sulfanyl}pyrazolo[1,5-A]pyrazine chemical structure, C21H19N3S, CAS 1040658-78-3
2-(4-Methylphenyl)-4-{[(3-methylphenyl)methyl]sulfanyl}pyrazolo[1,5-A]pyrazine
CAS 1040658-78-3C21H19N3S
5,7-Dimethyl-6-[(E)-3-phenyl-2-propenyl]-3-(3-thienyl)pyrazolo[1,5-a]pyrimidine chemical structure, C21H19N3S, CAS 865660-41-9
5,7-Dimethyl-6-[(E)-3-phenyl-2-propenyl]-3-(3-thienyl)pyrazolo[1,5-a]pyrimidine
CAS 865660-41-9C21H19N3S
(E)-3-((3,4-Dimethylphenyl)amino)-2-(4-(p-tolyl)thiazol-2-yl)acrylonitrile chemical structure, C21H19N3S, CAS 372503-87-2
(E)-3-((3,4-Dimethylphenyl)amino)-2-(4-(p-tolyl)thiazol-2-yl)acrylonitrile
CAS 372503-87-2C21H19N3S
4-(Benzylsulfanyl)-2-(3,4-dimethylphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H19N3S, CAS 1040664-06-9
4-(Benzylsulfanyl)-2-(3,4-dimethylphenyl)pyrazolo[1,5-a]pyrazine
CAS 1040664-06-9C21H19N3S
4-(Benzylsulfanyl)-2-(2,4-dimethylphenyl)pyrazolo[1,5-a]pyrazine chemical structure, C21H19N3S, CAS 1207030-91-8
4-(Benzylsulfanyl)-2-(2,4-dimethylphenyl)pyrazolo[1,5-a]pyrazine
CAS 1207030-91-8C21H19N3S
(E)-2-(4-(2,4-Dimethylphenyl)thiazol-2-yl)-3-(p-tolylamino)acrylonitrile chemical structure, C21H19N3S, CAS 1321812-56-9
(E)-2-(4-(2,4-Dimethylphenyl)thiazol-2-yl)-3-(p-tolylamino)acrylonitrile
CAS 1321812-56-9C21H19N3S
(E)-2-(4-(3,4-Dimethylphenyl)thiazol-2-yl)-3-(o-tolylamino)acrylonitrile chemical structure, C21H19N3S, CAS 1321888-77-0
(E)-2-(4-(3,4-Dimethylphenyl)thiazol-2-yl)-3-(o-tolylamino)acrylonitrile
CAS 1321888-77-0C21H19N3S
(E)-2-(4-(4-Ethylphenyl)thiazol-2-yl)-3-(p-tolylamino)acrylonitrile chemical structure, C21H19N3S, CAS 1322313-80-3
(E)-2-(4-(4-Ethylphenyl)thiazol-2-yl)-3-(p-tolylamino)acrylonitrile
CAS 1322313-80-3C21H19N3S
(E)-2-(4-(4-Ethylphenyl)thiazol-2-yl)-3-(o-tolylamino)acrylonitrile chemical structure, C21H19N3S, CAS 1321771-68-9
(E)-2-(4-(4-Ethylphenyl)thiazol-2-yl)-3-(o-tolylamino)acrylonitrile
CAS 1321771-68-9C21H19N3S
(Z)-3-((4-Isopropylphenyl)amino)-2-(4-phenylthiazol-2-yl)acrylonitrile chemical structure, C21H19N3S, CAS 374597-51-0
(Z)-3-((4-Isopropylphenyl)amino)-2-(4-phenylthiazol-2-yl)acrylonitrile
CAS 374597-51-0C21H19N3S
(E)-2-(4-(3,4-Dimethylphenyl)thiazol-2-yl)-3-(m-tolylamino)acrylonitrile chemical structure, C21H19N3S, CAS 1321743-16-1
(E)-2-(4-(3,4-Dimethylphenyl)thiazol-2-yl)-3-(m-tolylamino)acrylonitrile
CAS 1321743-16-1C21H19N3S
(Z)-3-((2-Isopropylphenyl)amino)-2-(4-phenylthiazol-2-yl)acrylonitrile chemical structure, C21H19N3S, CAS 477186-35-9
(Z)-3-((2-Isopropylphenyl)amino)-2-(4-phenylthiazol-2-yl)acrylonitrile
CAS 477186-35-9C21H19N3S
(Z)-3-((2,3-Dimethylphenyl)amino)-2-(4-(p-tolyl)thiazol-2-yl)acrylonitrile chemical structure, C21H19N3S, CAS 477186-82-6
(Z)-3-((2,3-Dimethylphenyl)amino)-2-(4-(p-tolyl)thiazol-2-yl)acrylonitrile
CAS 477186-82-6C21H19N3S

Frequently asked questions

What is the molar mass of C21H19N3S?

The molar mass of C21H19N3S is 345.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 345.1300 Da.

How many compounds have the formula C21H19N3S?

CompoundList lists 29 compounds with the molecular formula C21H19N3S, including 4-(2,4-Dimethylphenyl)-5-(naphthalen-1-ylmethyl)-4H-1,2,4-triazole-3-thiol, 2-(4-Methylphenyl)-4-{[(4-methylphenyl)methyl]sulfanyl}pyrazolo[1,5-A]pyrazine, [7-(Benzylamino)-9H-fluoren-2-yl]thiourea. 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 C21H19N3S?

C21H19N3S has a degree of unsaturation of 14. 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.