CompoundList
Molecular formula

C18H18N4OS

179 compounds have this formula on CompoundList.

Molar mass
338.43g/mol
Monoisotopic mass
338.1201Da
Atoms
42
Elements
5
Rings plus double bonds
12

The formula C18H18N4OS describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 4 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 × 1863.88%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 185.36%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 416.56%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 14.73%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 19.47%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H18N4OS

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

Showing 1 to 100 of 179 compounds

2-((5-Methyl-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-phenylacetamide chemical structure, C18H18N4OS, CAS 351356-26-8
2-((5-Methyl-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-phenylacetamide
CAS 351356-26-8C18H18N4OS
MK-8931 chemical structure, C18H18N4OS, CAS 1613380-81-6
MK-8931
CAS 1613380-81-6C18H18N4OS
3-(4-Antipyrinyl)-1-phenyl-2-thiourea chemical structure, C18H18N4OS, CAS 51641-29-3
3-(4-Antipyrinyl)-1-phenyl-2-thiourea
CAS 51641-29-3C18H18N4OS
4-(1,3-Benzothiazol-2-yl)-N-phenyl-1-piperazinecarboxamide chemical structure, C18H18N4OS, CAS 690991-85-6
4-(1,3-Benzothiazol-2-yl)-N-phenyl-1-piperazinecarboxamide
CAS 690991-85-6C18H18N4OS
N-(3,4-Dimethylphenyl)-2-[(1-phenyl-1,2,4-triazol-3-yl)thio]acetamide chemical structure, C18H18N4OS, CAS 663182-88-5
N-(3,4-Dimethylphenyl)-2-[(1-phenyl-1,2,4-triazol-3-yl)thio]acetamide
CAS 663182-88-5C18H18N4OS
N,N-Dimethyl-N'-(2-(4-methylphenyl)-4-oxo-3(4H)-quinazolinyl)thiourea chemical structure, C18H18N4OS, CAS 522660-12-4
N,N-Dimethyl-N'-(2-(4-methylphenyl)-4-oxo-3(4H)-quinazolinyl)thiourea
CAS 522660-12-4C18H18N4OS
1,1-Dimethyl-3-[2-(3-methylphenyl)-4-oxoquinazolin-3(4H)-yl]thiourea chemical structure, C18H18N4OS, CAS 522660-14-6
1,1-Dimethyl-3-[2-(3-methylphenyl)-4-oxoquinazolin-3(4H)-yl]thiourea
CAS 522660-14-6C18H18N4OS
4-[(E)-(4-Ethylphenyl)methylideneamino]-3-(phenoxymethyl)-1H-1,2,4-triazole-5-thione chemical structure, C18H18N4OS, CAS 488793-02-8
4-[(E)-(4-Ethylphenyl)methylideneamino]-3-(phenoxymethyl)-1H-1,2,4-triazole-5-thione
CAS 488793-02-8C18H18N4OS
1-{4-[2-(Thiophen-2-yl)quinazolin-4-yl]piperazin-1-yl}ethan-1-one chemical structure, C18H18N4OS, CAS 781629-12-7
1-{4-[2-(Thiophen-2-yl)quinazolin-4-yl]piperazin-1-yl}ethan-1-one
CAS 781629-12-7C18H18N4OS
4-((2-Ethoxybenzylidene)amino)-5-(3-methylphenyl)-4H-1,2,4-triazole-3-thiol chemical structure, C18H18N4OS, CAS 478255-51-5
4-((2-Ethoxybenzylidene)amino)-5-(3-methylphenyl)-4H-1,2,4-triazole-3-thiol
CAS 478255-51-5C18H18N4OS
4-(Benzylideneamino)-5-(3-isopropoxyphenyl)-4H-1,2,4-triazole-3-thiol chemical structure, C18H18N4OS, CAS 573694-03-8
4-(Benzylideneamino)-5-(3-isopropoxyphenyl)-4H-1,2,4-triazole-3-thiol
CAS 573694-03-8C18H18N4OS
(Z)-5-((3-Phenyl-1H-pyrazol-4-yl)methylene)-2-(piperidin-1-yl)thiazol-4(5H)-one chemical structure, C18H18N4OS, CAS 1165802-55-0
(Z)-5-((3-Phenyl-1H-pyrazol-4-yl)methylene)-2-(piperidin-1-yl)thiazol-4(5H)-one
CAS 1165802-55-0C18H18N4OS
N',3-dimethyl-N'-[2-(methylsulfanyl)-4-quinazolinyl]benzenecarbohydrazide chemical structure, C18H18N4OS, CAS 341968-22-7
N',3-dimethyl-N'-[2-(methylsulfanyl)-4-quinazolinyl]benzenecarbohydrazide
CAS 341968-22-7C18H18N4OS
4-[5-[(3-Methoxyphenyl)methylsulfanyl]-4-prop-2-enyl-1,2,4-triazol-3-yl]pyridine chemical structure, C18H18N4OS, CAS 771508-17-9
4-[5-[(3-Methoxyphenyl)methylsulfanyl]-4-prop-2-enyl-1,2,4-triazol-3-yl]pyridine
CAS 771508-17-9C18H18N4OS
4-((4-Ethoxybenzylidene)amino)-5-(3-methylphenyl)-4H-1,2,4-triazole-3-thiol chemical structure, C18H18N4OS, CAS 478255-72-0
4-((4-Ethoxybenzylidene)amino)-5-(3-methylphenyl)-4H-1,2,4-triazole-3-thiol
CAS 478255-72-0C18H18N4OS
N-(1,2-Dihydroacenaphthylen-5-yl)-2-[(4,5-dimethyl-1,2,4-triazol-3-yl)sulfanyl]acetamide chemical structure, C18H18N4OS, CAS 678560-94-6
N-(1,2-Dihydroacenaphthylen-5-yl)-2-[(4,5-dimethyl-1,2,4-triazol-3-yl)sulfanyl]acetamide
CAS 678560-94-6C18H18N4OS
N'-{(E)-[4-(dimethylamino)phenyl]methylidene}-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide chemical structure, C18H18N4OS, CAS 478076-86-7
N'-{(E)-[4-(dimethylamino)phenyl]methylidene}-3-(1H-pyrrol-1-yl)-2-thiophenecarbohydrazide
CAS 478076-86-7C18H18N4OS
2-[[(Z)-Indol-3-ylidenemethyl]amino]-6-methyl-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxamide chemical structure, C18H18N4OS, CAS 374091-32-4
2-[[(Z)-Indol-3-ylidenemethyl]amino]-6-methyl-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxamide
CAS 374091-32-4C18H18N4OS
5-(3-Ethoxyphenyl)-4-((4-methylbenzylidene)amino)-4H-1,2,4-triazole-3-thiol chemical structure, C18H18N4OS, CAS 613249-72-2
5-(3-Ethoxyphenyl)-4-((4-methylbenzylidene)amino)-4H-1,2,4-triazole-3-thiol
CAS 613249-72-2C18H18N4OS
5-(3-Ethoxyphenyl)-4-((3-methylbenzylidene)amino)-4H-1,2,4-triazole-3-thiol chemical structure, C18H18N4OS, CAS 497949-85-6
5-(3-Ethoxyphenyl)-4-((3-methylbenzylidene)amino)-4H-1,2,4-triazole-3-thiol
CAS 497949-85-6C18H18N4OS
5-(3-Ethoxyphenyl)-4-((2-methylbenzylidene)amino)-4H-1,2,4-triazole-3-thiol chemical structure, C18H18N4OS, CAS 497922-09-5
5-(3-Ethoxyphenyl)-4-((2-methylbenzylidene)amino)-4H-1,2,4-triazole-3-thiol
CAS 497922-09-5C18H18N4OS
N'-(1-(4-Methylphenyl)ethylidene)3-(5-ME-2-thienyl)-1H-pyrazole-5-carbohydrazide chemical structure, C18H18N4OS, CAS 302917-77-7
N'-(1-(4-Methylphenyl)ethylidene)3-(5-ME-2-thienyl)-1H-pyrazole-5-carbohydrazide
CAS 302917-77-7C18H18N4OS
2-Methyl-6-{[4-(2-pyridinyl)-1-piperazinyl]carbonyl}-1,3-benzothiazole chemical structure, C18H18N4OS, CAS 700854-65-5
2-Methyl-6-{[4-(2-pyridinyl)-1-piperazinyl]carbonyl}-1,3-benzothiazole
CAS 700854-65-5C18H18N4OS
N-(5-Benzyl-1,3,4-thiadiazol-2-yl)-3-(dimethylamino)benzamide chemical structure, C18H18N4OS, CAS 749890-22-0
N-(5-Benzyl-1,3,4-thiadiazol-2-yl)-3-(dimethylamino)benzamide
CAS 749890-22-0C18H18N4OS

Frequently asked questions

What is the molar mass of C18H18N4OS?

The molar mass of C18H18N4OS is 338.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 338.1201 Da.

How many compounds have the formula C18H18N4OS?

CompoundList lists 179 compounds with the molecular formula C18H18N4OS, including 2-((5-Methyl-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-phenylacetamide, MK-8931, 3-(4-Antipyrinyl)-1-phenyl-2-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 C18H18N4OS?

C18H18N4OS 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.