Molecular formula

C₁₈H₁₉N₅O₂S

216 compounds have this formula on CompoundList.

Molar mass: 369.44g/mol
Monoisotopic mass: 369.1259Da
Atoms: 45
Elements: 5
Rings plus double bonds: 12

The formula C18H19N5O2S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 2 oxygen 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 × 1858.52%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 195.18%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 518.96%
14.007 × 5 = 70.035 g/mol
O Oxygen × 28.66%
15.999 × 2 = 31.998 g/mol
S Sulfur × 18.68%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H19N5O2S

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

Showing 201 to 216 of 216 compounds

5-{4-[(5-Ethylpyrimidin-2-yl)oxy]piperidine-1-carbonyl}-2,1,3-benzothiadiazole

CAS 2380033-36-1C₁₈H₁₉N₅O₂S

4-{[5-(4-Methylpyrimidin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]sulfonyl}benzonitrile

CAS 2415633-47-3C₁₈H₁₉N₅O₂S

4-{4-[(3-Methoxyphenyl)methyl]-3-oxopiperazin-1-yl}-2-(methylsulfanyl)pyrimidine-5-carbonitrile

CAS 2877630-60-7C₁₈H₁₉N₅O₂S

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

CAS 2877636-99-0C₁₈H₁₉N₅O₂S

4-[(E)-{2-[(2-Aminoethyl)amino]naphthalen-1-yl}diazenyl]benzene-1-sulfonamide

CAS 106639-43-4C₁₈H₁₉N₅O₂S

$(12Z)-16-Hydroxy-16-methyl-5-(methylsulfanyl)-2,4,6,10,21-pentaazatetracyclo[15.3.1.0^{2,10}.0^{3,8}]henicosa-1(20),3,5,7,12,17(21),18-heptaen-9-one chemical structure, C18H19N5O2S, CAS 2314521-20-3$

(12Z)-16-Hydroxy-16-methyl-5-(methylsulfanyl)-2,4,6,10,21-pentaazatetracyclo[15.3.1.0^{2,10}.0^{3,8}]henicosa-1(20),3,5,7,12,17(21),18-heptaen-9-one

CAS 2314521-20-3C₁₈H₁₉N₅O₂S

2-(1-Methanesulfonylpiperidin-4-yl)-6-(pyrimidin-5-yl)-1,8-naphthyridine

CAS 2742066-05-1C₁₈H₁₉N₅O₂S

2-(Benzenesulfonyl)-5-{pyrazolo[1,5-a]pyrimidin-5-yl}-octahydropyrrolo[3,4-c]pyrrole

CAS 2640948-63-4C₁₈H₁₉N₅O₂S

3-[5-(4-Methylpyrimidin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1lambda6,2-benzothiazole-1,1-dione

CAS 2415554-17-3C₁₈H₁₉N₅O₂S

1-(Benzenesulfonyl)-4-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperazine

CAS 2742038-05-5C₁₈H₁₉N₅O₂S

4-[7-(Cyclopropanesulfonyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-3-yl]-1-methyl-1H-pyrazole

CAS 2770586-66-6C₁₈H₁₉N₅O₂S

4-[4-(Quinoxalin-2-yl)piperazin-1-yl]benzene-1-sulfonamide

CAS 3054588-52-9C₁₈H₁₉N₅O₂S

4-[4-(Quinazolin-4-yl)piperazin-1-yl]benzene-1-sulfonamide

CAS 3054620-51-5C₁₈H₁₉N₅O₂S

4-{Imidazo[1,2-b]pyridazin-6-yl}-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}morpholine

CAS 3054585-03-1C₁₈H₁₉N₅O₂S

4-{Pyrazolo[1,5-a]pyrimidin-5-yl}-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}morpholine

CAS 3054586-31-8C₁₈H₁₉N₅O₂S

1-(1-(2-(Pyrimidin-2-ylthio)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

CAS 2326990-05-8C₁₈H₁₉N₅O₂S

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 C18H19N5O2S?

The molar mass of C18H19N5O2S is 369.44 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 369.1259 Da.

How many compounds have the formula C18H19N5O2S?

CompoundList lists 216 compounds with the molecular formula C18H19N5O2S, including 5-{4-[(5-Ethylpyrimidin-2-yl)oxy]piperidine-1-carbonyl}-2,1,3-benzothiadiazole, 4-{[5-(4-Methylpyrimidin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]sulfonyl}benzonitrile, 4-{4-[(3-Methoxyphenyl)methyl]-3-oxopiperazin-1-yl}-2-(methylsulfanyl)pyrimidine-5-carbonitrile. 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 C18H19N5O2S?

C18H19N5O2S 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.