Molecular formula

C₁₈H₁₉N₅O₂S₂

36 compounds have this formula on CompoundList.

Molar mass: 401.50g/mol
Monoisotopic mass: 401.0980Da
Atoms: 46
Elements: 5
Rings plus double bonds: 12

The formula C18H19N5O2S2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. 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 × 1853.85%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 194.77%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 517.44%
14.007 × 5 = 70.035 g/mol
O Oxygen × 27.97%
15.999 × 2 = 31.998 g/mol
S Sulfur × 215.97%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C18H19N5O2S2

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

Showing 1 to 36 of 36 compounds

8-(1,3-Benzothiazol-2-ylthio)-3-methyl-7-pentylpurine-2,6-dione

CAS 716330-85-7C₁₈H₁₉N₅O₂S₂

8-(Benzothiazol-2-ylsulfanyl)-3-methyl-7-(3-methyl-butyl)-3,7-dihydro-purine-2,6-dione

CAS 328117-67-5C₁₈H₁₉N₅O₂S₂

Methyl 4-[({4-allyl-5-[(2-amino-1,3-thiazol-4-yl)methyl]-4H-1,2,4-triazol-3-yl}thio)methyl]benzoate

CAS 690642-96-7C₁₈H₁₉N₅O₂S₂

7-Methyl-2-(4-methyl-1-piperazinyl)-3-((Z)-(4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-4H-pyrido(1,2-A)pyrimidin-4-one

CAS 477734-62-6C₁₈H₁₉N₅O₂S₂

Methyl 4-({[4-allyl-5-(2-amino-4-methyl-1,3-thiazol-5-yl)-4H-1,2,4-triazol-3-yl]thio}methyl)benzoate

CAS 615282-61-6C₁₈H₁₉N₅O₂S₂

2-[6-(4-Ethoxyphenyl)pyridazin-3-yl]sulfanyl-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide

CAS 872689-22-0C₁₈H₁₉N₅O₂S₂

2-{[4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-2-thienylmethylidene]acetohydrazide

CAS 303102-80-9C₁₈H₁₉N₅O₂S₂

UTA1inh-D1

CAS 892745-28-7C₁₈H₁₉N₅O₂S₂

2-[1-(2-Oxo-2-pyrrolidin-1-yl-ethyl)-1H-benzoimidazol-2-ylsulfanyl]-N-thiazol-2-yl-acetamide

CAS 606109-74-4C₁₈H₁₉N₅O₂S₂

N-Benzyl-2-[[5-[(4,6-dimethylpyrimidin-2-yl)sulfanylmethyl]-1,3,4-oxadiazol-2-yl]sulfanyl]acetamide

CAS 487024-38-4C₁₈H₁₉N₅O₂S₂

3-((E)-(3-Methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-2-(4-methyl-1-piperazinyl)-4H-pyrido(1,2-A)pyrimidin-4-one

CAS 324566-58-7C₁₈H₁₉N₅O₂S₂

N,N-Diethyl-3-tosylthieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine

CAS 892731-88-3C₁₈H₁₉N₅O₂S₂

N-Butyl-3-tosylthieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine

CAS 892732-51-3C₁₈H₁₉N₅O₂S₂

1-(4-Methoxyphenethyl)-3-(5-((pyridin-2-ylmethyl)thio)-1,3,4-thiadiazol-2-yl)urea

CAS 1172815-74-5C₁₈H₁₉N₅O₂S₂

4-((6-Acetamidopyridazin-3-yl)thio)-N-(6-methylbenzo[d]thiazol-2-yl)butanamide

CAS 1105210-50-1C₁₈H₁₉N₅O₂S₂

N-(Benzo[d]thiazol-2-yl)-2-(2-(3-cyclopentylureido)thiazol-4-yl)acetamide

CAS 921830-54-8C₁₈H₁₉N₅O₂S₂

3-{4-[(5-Methylthiophen-2-yl)sulfonyl]piperazin-1-yl}-6-(pyridin-3-yl)pyridazine

CAS 946238-55-7C₁₈H₁₉N₅O₂S₂

Ethyl 4-[(5-{[(4,6-dimethylpyrimidin-2-yl)sulfanyl]methyl}-1,3,4-thiadiazol-2-yl)amino]benzoate

CAS 637321-36-9C₁₈H₁₉N₅O₂S₂

9-Methyl-2-(4-methylpiperazin-1-yl)-3-[(Z)-(4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one

CAS 373368-79-7C₁₈H₁₉N₅O₂S₂

N-(6-((2-((6-Methylbenzo[d]thiazol-2-yl)amino)-2-oxoethyl)thio)pyridazin-3-yl)isobutyramide

CAS 1021255-88-8C₁₈H₁₉N₅O₂S₂

N-((1-(4-Methyl-1,2,3-thiadiazole-5-carbonyl)piperidin-4-yl)methyl)benzo[d]thiazole-2-carboxamide

CAS 1235091-76-5C₁₈H₁₉N₅O₂S₂

$3-{7-Oxo-8-propyl-5-thia-1,8,10,11-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,9,11-tetraen-12-yl}-N-[(thiophen-2-yl)methyl]propanamide chemical structure, C18H19N5O2S2, CAS 1224011-24-8$

3-{7-Oxo-8-propyl-5-thia-1,8,10,11-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,9,11-tetraen-12-yl}-N-[(thiophen-2-yl)methyl]propanamide

CAS 1224011-24-8C₁₈H₁₉N₅O₂S₂

N-[(2E)-5-Cyclohexyl-1,3,4-thiadiazol-2(3H)-ylidene]-2-[6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl]acetamide

CAS 1224172-81-9C₁₈H₁₉N₅O₂S₂

2-{3-[4-(Methylsulfanyl)phenyl]-6-oxopyridazin-1(6H)-yl}-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide

CAS 1310945-65-3C₁₈H₁₉N₅O₂S₂

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 C18H19N5O2S2?

The molar mass of C18H19N5O2S2 is 401.50 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 401.0980 Da.

How many compounds have the formula C18H19N5O2S2?

CompoundList lists 36 compounds with the molecular formula C18H19N5O2S2, including 8-(1,3-Benzothiazol-2-ylthio)-3-methyl-7-pentylpurine-2,6-dione, 8-(Benzothiazol-2-ylsulfanyl)-3-methyl-7-(3-methyl-butyl)-3,7-dihydro-purine-2,6-dione, Methyl 4-[({4-allyl-5-[(2-amino-1,3-thiazol-4-yl)methyl]-4H-1,2,4-triazol-3-yl}thio)methyl]benzoate. 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 C18H19N5O2S2?

C18H19N5O2S2 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.