Molecular formula
C18H16N4S
58 compounds have this formula on CompoundList.
- Molar mass
- 320.41g/mol
- Monoisotopic mass
- 320.1096Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H16N4S describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 4 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 × 1867.47%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.03%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 417.49%14.007 × 4 = 56.028 g/mol
- S Sulfur × 110.01%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H16N4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 58 of 58 compounds
![3-(Methylsulfanyl)-5-(2-phenylethyl)-5H-[1,2,4]triazino[5,6-b]indole chemical structure, C18H16N4S, CAS 312537-07-8](/s/DTTDVOXGZPVSPR-UHFFFAOYSA-N.svg)
3-(Methylsulfanyl)-5-(2-phenylethyl)-5H-[1,2,4]triazino[5,6-b]indole
CAS 312537-07-8C18H16N4S
![3-Benzyl-6-(2-phenylethyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H16N4S, CAS 185671-62-9](/s/VOOQGWNIYDJKLT-UHFFFAOYSA-N.svg)
3-Benzyl-6-(2-phenylethyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 185671-62-9C18H16N4S
![5H-1,2,4-Triazino[5,6-b]indole, 5-ethyl-3-[(phenylmethyl)thio]- chemical structure, C18H16N4S, CAS 112800-84-7](/s/IXHUXPBSFWTGTG-UHFFFAOYSA-N.svg)
5H-1,2,4-Triazino[5,6-b]indole, 5-ethyl-3-[(phenylmethyl)thio]-
CAS 112800-84-7C18H16N4S
![N-[(2-Methyl-1H-indol-3-yl)-pyridin-4-ylmethyl]-1,3-thiazol-2-amine chemical structure, C18H16N4S, CAS 307543-54-0](/s/ZHSXKDYZIMWDFM-UHFFFAOYSA-N.svg)
N-[(2-Methyl-1H-indol-3-yl)-pyridin-4-ylmethyl]-1,3-thiazol-2-amine
CAS 307543-54-0C18H16N4S
![4-[5-(4-Carbamimidoylphenyl)-2-thienyl]benzamidine chemical structure, C18H16N4S, CAS 73819-28-0](/s/UHNLSPPEMSHVID-UHFFFAOYSA-N.svg)
4-[5-(4-Carbamimidoylphenyl)-2-thienyl]benzamidine
CAS 73819-28-0C18H16N4S
3-(5-(Benzylthio)-4-methyl-4H-1,2,4-triazol-3-yl)-1H-indole
CAS 831184-35-1C18H16N4S
![4-(2-Methylimidazo[1,2-a]pyridin-3-yl)-N-(3-methylphenyl)-1,3-thiazol-2-amine chemical structure, C18H16N4S, CAS 315703-51-6](/s/XVHFFYLQYILPQM-UHFFFAOYSA-N.svg)
4-(2-Methylimidazo[1,2-a]pyridin-3-yl)-N-(3-methylphenyl)-1,3-thiazol-2-amine
CAS 315703-51-6C18H16N4S
5-(3-Methylphenyl)-4-((3-phenyl-2-propenylidene)amino)-4H-1,2,4-triazole-3-thiol
CAS 478256-13-2C18H16N4S
1-(4-Anilinophenyl)-3-pyridin-2-ylthiourea
CAS 516458-06-3C18H16N4S
![3-(4-Methylphenyl)-6-(2-phenylethyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H16N4S, CAS 193744-08-0](/s/WCBQIFIMSZEPCD-UHFFFAOYSA-N.svg)
3-(4-Methylphenyl)-6-(2-phenylethyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 193744-08-0C18H16N4S
![8-Methyl-5-(2-phenylethyl)-5H-[1,2,4]triazino[5,6-b]indole-3-thiol chemical structure, C18H16N4S, CAS 708220-42-2](/s/IXPFPTIWZUNBFR-UHFFFAOYSA-N.svg)
8-Methyl-5-(2-phenylethyl)-5H-[1,2,4]triazino[5,6-b]indole-3-thiol
CAS 708220-42-2C18H16N4S
2-Amino-4-(4-methylphenyl)-6-(2-methylprop-2-enylsulfanyl)pyridine-3,5-dicarbonitrile
CAS 476318-81-7C18H16N4S
![2-Benzyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine chemical structure, C18H16N4S, CAS 381180-89-8](/s/FUGSTHVPWONQQP-UHFFFAOYSA-N.svg)
2-Benzyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine
CAS 381180-89-8C18H16N4S
Alk-5-IN-1
CAS 1018953-58-6C18H16N4S
![4-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-methyl-5-phenylthieno[2,3-d]pyrimidine chemical structure, C18H16N4S, CAS 379238-85-4](/s/SVPTYFQAPONVFM-UHFFFAOYSA-N.svg)
4-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-methyl-5-phenylthieno[2,3-d]pyrimidine
CAS 379238-85-4C18H16N4S
![1-(Benzo[b]thiophen-5-yl)-3-cyclobutylimidazo[1,5-a]pyrazin-8-amine chemical structure, C18H16N4S, CAS 936857-19-1](/s/WBZPDKYVRCJFTP-UHFFFAOYSA-N.svg)
1-(Benzo[b]thiophen-5-yl)-3-cyclobutylimidazo[1,5-a]pyrazin-8-amine
CAS 936857-19-1C18H16N4S
![N-(2,6-Dimethylphenyl)-5-(thiophen-2-yl)imidazo[1,5-a]pyrazin-8-amine chemical structure, C18H16N4S, CAS 849200-75-5](/s/DUXVIKPKWVMTAK-UHFFFAOYSA-N.svg)
N-(2,6-Dimethylphenyl)-5-(thiophen-2-yl)imidazo[1,5-a]pyrazin-8-amine
CAS 849200-75-5C18H16N4S
5-(Indol-3-ylmethyl)-4-(2-methylphenyl)-1,2,4-triazole-3-thiol
CAS 7243-20-1C18H16N4S
6-Biphenyl-4-yl-3-ethyl-7H-(1,2,4)triazolo(3,4-b)(1,3,4)thiadiazine
CAS 68469-04-5C18H16N4S
![N-[(2-Methyl-1H-indol-3-yl)(pyridin-2-yl)methyl]-1,3-thiazol-2-amine chemical structure, C18H16N4S, CAS 385786-25-4](/s/OVDQCPMEMVEYAQ-UHFFFAOYSA-N.svg)
N-[(2-Methyl-1H-indol-3-yl)(pyridin-2-yl)methyl]-1,3-thiazol-2-amine
CAS 385786-25-4C18H16N4S
1-(4-Anilinophenyl)-3-pyridin-3-ylthiourea
CAS 455289-83-5C18H16N4S
5-(Indol-3-ylmethyl)-4-benzyl-1,2,4-triazole-3-thiol
CAS 899723-05-8C18H16N4S
![5-Benzyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidine chemical structure, C18H16N4S, CAS 77995-36-9](/s/RPTYKXPWVYGWFI-UHFFFAOYSA-N.svg)
5-Benzyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-c]pyrimidine
CAS 77995-36-9C18H16N4S
1,2,4-Triazolo(3,4-b)(1,3,4)thiadiazole, 3-(2-phenylethyl)-6-(phenylmethyl)-
CAS 93073-31-5C18H16N4S
- N-[2-(1H-Indol-3-yl)ethyl]-4-thiophen-2-ylpyrimidin-2-amine682793-07-3C18H16N4S
- 3-(2-Methylphenyl)-4-[(E)-[(E)-3-phenylprop-2-enylidene]amino]-1H-1,2,4-triazole-5-thione487032-11-1C18H16N4S
- 4-{[2-(1H-Indol-3-yl)ethyl]amino}-1,2-dihydroquinazoline-2-thione422531-79-1C18H16N4S
- 3-Amino-6-benzyl-5,6,7,8-tetrahydrothieno[2,3-b][1,6]naphthyridine-2-carbonitrile607699-25-2C18H16N4S
- 2-Amino-4-(5-methylthiophen-2-yl)-4a,5,6,7-tetrahydro-4H-naphthalene-1,3,3-tricarbonitrile5650-95-3C18H16N4S
- 3-[(4-Benzyl-5-methyl-1,2,4-triazol-3-yl)sulfanylmethyl]benzonitrile824972-59-0C18H16N4S
- 2-((4-(Phenethylamino)quinazolin-2-yl)thio)acetonitrile422532-30-7C18H16N4S
- 2-Methyl-5-[(2-phenylethyl)thio][1,2,4]triazolo[1,5-c]quinazoline924855-88-9C18H16N4S
- 2-Methyl-5-[(2-methylbenzyl)thio][1,2,4]triazolo[1,5-c]quinazoline925613-38-3C18H16N4S
- 2-Methyl-5-[(3-methylbenzyl)thio][1,2,4]triazolo[1,5-c]quinazoline925182-36-1C18H16N4S
- 2-Methyl-5-[(4-methylbenzyl)thio][1,2,4]triazolo[1,5-c]quinazoline925070-57-1C18H16N4S
- 3H-1,2,4-Triazole-3-thione, 2,4-dihydro-5-((2-methyl-1H-indol-3-yl)methyl)-4-phenyl-54648-98-5C18H16N4S
- 1-(4-Cyanophenyl)-3-[2-(1H-indol-3-yl)ethyl]thiourea1023556-71-9C18H16N4S
- 2-[(4-Ethyl-5-phenyl-1,2,4-triazol-3-yl)sulfanylmethyl]benzonitrile675856-24-3C18H16N4S
- 4-Imino-3-[2-(1H-indol-3-yl)ethyl]-3,4-dihydroquinazoline-2-thiol896670-06-7C18H16N4S
- 2-(1-Methyl-4-phenyl-1H-imidazol-2-ylsulfanylmethyl)-pyrazolo[1,5-a]pyridine1201688-43-8C18H16N4S
- 2-(1-Methyl-4-phenyl-1H-imidazol-2-ylsulfanylmethyl)-imidazo[1,2-a]pyridine1201688-36-9C18H16N4S
- 2-(3-Methylphenyl)-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine627053-81-0C18H16N4S
- 5-Methyl-3-[(2-phenylethyl)sulfanyl]-5H-[1,2,4]triazino[5,6-b]indole827012-53-3C18H16N4S
- 6-(1,1-Diphenylethyl)-3-methyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole923558-81-0C18H16N4S
- 4-(1-Methyl-1H-benzimidazol-2-yl)-N-(4-methylphenyl)-1,3-thiazol-2-amine519179-77-2C18H16N4S
- 3-Cyclopentyl-2-thiophen-2-ylimidazo[4,5-b]quinoxaline845663-38-9C18H16N4S
- Benzenecarboximidamide, 4,4'-(2,4-thiophenediyl)bis-648417-96-3C18H16N4S
- 6-(2,4-Dimethylphenyl)-3-(4-methylphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole724429-57-6C18H16N4S
- 8,9-Dimethyl-2-(2-phenylcyclopropyl)thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine832143-81-4C18H16N4S
- 4,4-Dicyano-3-(dimethylamino)-N-(naphthalen-1-yl)but-3-enethioamide92486-96-9C18H16N4S
- 4-([1,1'-Biphenyl]-4-yl)-N-(4,5-dihydro-1H-imidazol-2-yl)-1,3-thiazol-2-amine88964-09-4C18H16N4S
- 5-Benzyl-8-ethyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl hydrosulfide1538579-65-5C18H16N4S
- 3-(4-(2,7-Dimethylimidazo[1,2-a]pyridin-3-yl)thiazol-2-yl)aniline1416338-86-7C18H16N4S
- 4-Phenyl-1-{thieno[3,2-d]pyrimidin-4-yl}piperidine-4-carbonitrile2741920-56-7C18H16N4S
- 4-Phenyl-1-{thieno[2,3-d]pyrimidin-4-yl}piperidine-4-carbonitrile2640897-98-7C18H16N4S
- 4-Phenyl-1-{[1,3]thiazolo[4,5-c]pyridin-2-yl}piperidine-4-carbonitrile2640863-61-0C18H16N4S
- 2-Methyl-1-(1-{thieno[3,2-c]pyridin-4-yl}azetidin-3-yl)-1H-1,3-benzodiazole2741954-39-0C18H16N4S
- 6-[4-(1-Benzothiophen-4-yl)piperazin-1-yl]pyridine-3-carbonitrile2770621-10-6C18H16N4S
Frequently asked questions
What is the molar mass of C18H16N4S?
The molar mass of C18H16N4S is 320.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 320.1096 Da.
How many compounds have the formula C18H16N4S?
CompoundList lists 58 compounds with the molecular formula C18H16N4S, including 3-(Methylsulfanyl)-5-(2-phenylethyl)-5H-[1,2,4]triazino[5,6-b]indole, 3-Benzyl-6-(2-phenylethyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole, 5H-1,2,4-Triazino[5,6-b]indole, 5-ethyl-3-[(phenylmethyl)thio]-. 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 C18H16N4S?
C18H16N4S 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.