Molecular formula

C₁₈H₁₆N₄OS

127 compounds have this formula on CompoundList.

Molar mass: 336.41g/mol
Monoisotopic mass: 336.1045Da
Atoms: 40
Elements: 5
Rings plus double bonds: 13

The formula C18H16N4OS describes a molecule made of 18 carbon atoms, 16 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 × 1864.27%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 164.79%
1.008 × 16 = 16.128 g/mol
N Nitrogen × 416.65%
14.007 × 4 = 56.028 g/mol
O Oxygen × 14.76%
15.999 × 1 = 15.999 g/mol
S Sulfur × 19.53%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H16N4OS

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

Showing 101 to 127 of 127 compounds

N-({[2,3'-Bipyridine]-5-yl}methyl)-2-(methylsulfanyl)pyridine-3-carboxamide

CAS 2034478-41-4C₁₈H₁₆N₄OS

3-Methyl-6-{4-[(4-methylbenzyl)oxy]phenyl}[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole

CAS 1774894-88-0C₁₈H₁₆N₄OS

N-([2,4'-Bipyridin]-3-ylmethyl)-2-(methylthio)nicotinamide

CAS 2034474-33-2C₁₈H₁₆N₄OS

N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-1H-indole-2-carboxamide

CAS 2034568-37-9C₁₈H₁₆N₄OS

N-{1-[4-(Thiophen-3-yl)benzoyl]azetidin-3-yl}pyrazin-2-amine

CAS 2177366-12-8C₁₈H₁₆N₄OS

3H-1,2,4-Triazole-3-thione, 2,4-dihydro-5-(5-methoxy-3-methyl-1H-indol-2-yl)-4-phenyl-

CAS 126016-41-9C₁₈H₁₆N₄OS

4-[2-(Propan-2-yl)phenyl]-1-sulfanyl-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one

CAS 857041-70-4C₁₈H₁₆N₄OS

2-((3,5-Dimethylphenyl)amino)-7-methyl-5H-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one

CAS 1040654-38-3C₁₈H₁₆N₄OS

N-((6-Phenyl-2,3-dihydroimidazo[2,1-b]thiazol-5-yl)methyl)nicotinamide

CAS 946352-32-5C₁₈H₁₆N₄OS

4-Thiazoleacetamide, 2-methyl-N-[4-(2-phenyldiazenyl)phenyl]-

CAS 1118806-81-7C₁₈H₁₆N₄OS

N-(4,7-Dimethylbenzo[d]thiazol-2-yl)-2-methylimidazo[1,2-a]pyridine-3-carboxamide

CAS 1170512-82-9C₁₈H₁₆N₄OS

6-(3,4-Dimethylphenyl)-3-(2-methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole

CAS 825605-85-4C₁₈H₁₆N₄OS

Thiourea, N-(2-furanylmethyl)-N'-[4-(2-phenyldiazenyl)phenyl]-

CAS 904198-16-9C₁₈H₁₆N₄OS

(2Z)-3-[2-(1H-Benzimidazol-2-yl)ethyl]-2-(phenylimino)-1,3-thiazolidin-4-one

CAS 89334-69-0C₁₈H₁₆N₄OS

3-Phenyl-1-(4-pyridin-4-yl-thiazol-2-yl)-piperazin-2-one

CAS 692886-08-1C₁₈H₁₆N₄OS

2-(1-Benzothiophen-2-yl)-1-({pyrido[3,4-d]pyrimidin-4-yl}amino)propan-2-ol

CAS 2380033-77-0C₁₈H₁₆N₄OS

4-{[(3-Methoxyphenyl)methyl]sulfanyl}-1-methyl-[1,2,4]triazolo[4,3-a]quinoxaline

CAS 2310145-48-1C₁₈H₁₆N₄OS

N-[3-(2-Methyl-1,3-thiazol-4-yl)phenyl]-5H,6H,7H-cyclopenta[c]pyridazine-3-carboxamide

CAS 2415630-48-5C₁₈H₁₆N₄OS

2-(1-{[1,3]Thiazolo[4,5-c]pyridin-2-yl}piperidin-3-yl)-1,3-benzoxazole

CAS 2326283-16-1C₁₈H₁₆N₄OS

3-Amino-5-[(4-cyanophenyl)methyl]-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide

CAS 119003-39-3C₁₈H₁₆N₄OS

3-Methyl-2-[(6-pyrrol-1-yl-1H-benzimidazol-2-yl)sulfanylmethyl]-1H-pyridin-4-one

CAS 1508282-90-3C₁₈H₁₆N₄OS

Ilaprazole impurity 202

CAS 2323066-01-7C₁₈H₁₆N₄OS

2-[4-(1,3-Benzothiazol-2-yl)piperazin-1-yl]-1,3-benzoxazole

CAS 2640976-66-3C₁₈H₁₆N₄OS

2-(Methylsulfanyl)-3-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}pyridine

CAS 2770598-79-1C₁₈H₁₆N₄OS

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C18H16N4OS?

The molar mass of C18H16N4OS is 336.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 336.1045 Da.

How many compounds have the formula C18H16N4OS?

CompoundList lists 127 compounds with the molecular formula C18H16N4OS, including N-({[2,3'-Bipyridine]-5-yl}methyl)-2-(methylsulfanyl)pyridine-3-carboxamide, 3-Methyl-6-{4-[(4-methylbenzyl)oxy]phenyl}[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole, N-([2,4'-Bipyridin]-3-ylmethyl)-2-(methylthio)nicotinamide. 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 C18H16N4OS?

C18H16N4OS 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.