CompoundList
Molecular formula

C18H19N3O2S

356 compounds have this formula on CompoundList.

Molar mass
341.43g/mol
Monoisotopic mass
341.1198Da
Atoms
43
Elements
5
Rings plus double bonds
11

The formula C18H19N3O2S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 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 × 1863.32%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 195.61%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 312.31%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 29.37%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 19.39%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H19N3O2S

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

Showing 301 to 356 of 356 compounds

2-[[4-Butyl-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanyl]-1-phenylethanone chemical structure, C18H19N3O2S, CAS 606111-31-3
2-[[4-Butyl-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanyl]-1-phenylethanone
CAS 606111-31-3C18H19N3O2S
N-tert-Butyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]thiophene-2-carboxamide chemical structure, C18H19N3O2S, CAS 878995-44-9
N-tert-Butyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]thiophene-2-carboxamide
CAS 878995-44-9C18H19N3O2S
Thiourea, N-butyl-N'-(1-methyl-3-oxo-3H-phenoxazin-7-yl)- chemical structure, C18H19N3O2S, CAS 834897-45-9
Thiourea, N-butyl-N'-(1-methyl-3-oxo-3H-phenoxazin-7-yl)-
CAS 834897-45-9C18H19N3O2S
N'-{4-[(1,2-Benzothiazol-5-yl)oxy]phenyl}-N,N-diethylurea chemical structure, C18H19N3O2S, CAS 89721-80-2
N'-{4-[(1,2-Benzothiazol-5-yl)oxy]phenyl}-N,N-diethylurea
CAS 89721-80-2C18H19N3O2S
N-{4-[(1,2-Benzothiazol-5-yl)oxy]phenyl}-N'-butylurea chemical structure, C18H19N3O2S, CAS 89721-83-5
N-{4-[(1,2-Benzothiazol-5-yl)oxy]phenyl}-N'-butylurea
CAS 89721-83-5C18H19N3O2S
2-(2,6-Dimethylphenoxy)-N-{1-[(thiophen-2-yl)methyl]-1H-pyrazol-5-yl}acetamide chemical structure, C18H19N3O2S, CAS 1007053-68-0
2-(2,6-Dimethylphenoxy)-N-{1-[(thiophen-2-yl)methyl]-1H-pyrazol-5-yl}acetamide
CAS 1007053-68-0C18H19N3O2S
5-((3-Methoxyphenoxy)methyl)-4-phenethyl-4H-1,2,4-triazole-3-thiol chemical structure, C18H19N3O2S, CAS 917750-48-2
5-((3-Methoxyphenoxy)methyl)-4-phenethyl-4H-1,2,4-triazole-3-thiol
CAS 917750-48-2C18H19N3O2S
3-(Pyridine-2-sulfonyl)-1-[(pyrrolidin-3-yl)methyl]-1H-indole chemical structure, C18H19N3O2S, CAS 651335-36-3
3-(Pyridine-2-sulfonyl)-1-[(pyrrolidin-3-yl)methyl]-1H-indole
CAS 651335-36-3C18H19N3O2S
1-[1-(2-Thienylacetyl)piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one chemical structure, C18H19N3O2S, CAS 521173-62-6
1-[1-(2-Thienylacetyl)piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one
CAS 521173-62-6C18H19N3O2S
1-(1-(5-Methylthiophene-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C18H19N3O2S, CAS 1325568-11-3
1-(1-(5-Methylthiophene-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 1325568-11-3C18H19N3O2S
N-(3-Cyanothiolan-3-yl)-3-(4-methyl-5-phenyl-1,3-oxazol-2-yl)propanamide chemical structure, C18H19N3O2S, CAS 1355930-41-4
N-(3-Cyanothiolan-3-yl)-3-(4-methyl-5-phenyl-1,3-oxazol-2-yl)propanamide
CAS 1355930-41-4C18H19N3O2S
1H-Pyrrolo[2,3-b]pyridine,1-(phenylsulfonyl)-2-[(2S)-2-pyrrolidinylmethyl]- chemical structure, C18H19N3O2S, CAS 1008108-77-7
1H-Pyrrolo[2,3-b]pyridine,1-(phenylsulfonyl)-2-[(2S)-2-pyrrolidinylmethyl]-
CAS 1008108-77-7C18H19N3O2S
1H-Pyrrolo[2,3-b]pyridine, 1-(phenylsulfonyl)-2-[(2R)-2-pyrrolidinylmethyl]- chemical structure, C18H19N3O2S, CAS 1001070-20-7
1H-Pyrrolo[2,3-b]pyridine, 1-(phenylsulfonyl)-2-[(2R)-2-pyrrolidinylmethyl]-
CAS 1001070-20-7C18H19N3O2S
Ethyl 2-(thiazol-4-yl)-4-(3-methylphenyl)-6-methyl-1,4-dihydro-pyrimidin-5-carboxylate chemical structure, C18H19N3O2S, CAS 1006046-88-3
Ethyl 2-(thiazol-4-yl)-4-(3-methylphenyl)-6-methyl-1,4-dihydro-pyrimidin-5-carboxylate
CAS 1006046-88-3C18H19N3O2S
3-[1-(Phenylsulfonyl)-4-piperidinyl]-1H-pyrrolo[2,3-b]pyridine chemical structure, C18H19N3O2S, CAS 1387759-16-1
3-[1-(Phenylsulfonyl)-4-piperidinyl]-1H-pyrrolo[2,3-b]pyridine
CAS 1387759-16-1C18H19N3O2S
3-(Benzenesulfonyl)-1-{[(2S)-pyrrolidin-2-yl]methyl}-1H-indazole chemical structure, C18H19N3O2S, CAS 651335-82-9
3-(Benzenesulfonyl)-1-{[(2S)-pyrrolidin-2-yl]methyl}-1H-indazole
CAS 651335-82-9C18H19N3O2S
2-{[3-Cyano-6-(4-methoxyphenyl)pyridin-2-yl]sulfanyl}-N-propylacetamide chemical structure, C18H19N3O2S, CAS 1412210-37-7
2-{[3-Cyano-6-(4-methoxyphenyl)pyridin-2-yl]sulfanyl}-N-propylacetamide
CAS 1412210-37-7C18H19N3O2S
N-(1-(Furan-2-yl)ethyl)-2-(((1-phenyl-1H-pyrazol-3-yl)methyl)thio)acetamide chemical structure, C18H19N3O2S, CAS 1444372-87-5
N-(1-(Furan-2-yl)ethyl)-2-(((1-phenyl-1H-pyrazol-3-yl)methyl)thio)acetamide
CAS 1444372-87-5C18H19N3O2S
N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(2,3-dimethylphenoxy)acetamide chemical structure, C18H19N3O2S, CAS 1706452-28-9
N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(2,3-dimethylphenoxy)acetamide
CAS 1706452-28-9C18H19N3O2S
N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(2,5-dimethylphenoxy)acetamide chemical structure, C18H19N3O2S, CAS 1706452-34-7
N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(2,5-dimethylphenoxy)acetamide
CAS 1706452-34-7C18H19N3O2S
N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(3,5-dimethylphenoxy)acetamide chemical structure, C18H19N3O2S, CAS 1706448-62-5
N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(3,5-dimethylphenoxy)acetamide
CAS 1706448-62-5C18H19N3O2S
1-(1-(5-Methylthiophene-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C18H19N3O2S, CAS 1825704-69-5
1-(1-(5-Methylthiophene-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 1825704-69-5C18H19N3O2S
2-{[1-(4-Methylthiophene-2-carbonyl)piperidin-4-yl]methoxy}pyridine-4-carbonitrile chemical structure, C18H19N3O2S, CAS 2379997-48-3
2-{[1-(4-Methylthiophene-2-carbonyl)piperidin-4-yl]methoxy}pyridine-4-carbonitrile
CAS 2379997-48-3C18H19N3O2S
2-{[1-(4-Methylthiophene-2-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile chemical structure, C18H19N3O2S, CAS 2379977-45-2
2-{[1-(4-Methylthiophene-2-carbonyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile
CAS 2379977-45-2C18H19N3O2S

Frequently asked questions

What is the molar mass of C18H19N3O2S?

The molar mass of C18H19N3O2S is 341.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 341.1198 Da.

How many compounds have the formula C18H19N3O2S?

CompoundList lists 356 compounds with the molecular formula C18H19N3O2S, including 2-[[4-Butyl-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanyl]-1-phenylethanone, N-tert-Butyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]thiophene-2-carboxamide, Thiourea, N-butyl-N'-(1-methyl-3-oxo-3H-phenoxazin-7-yl)-. 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 C18H19N3O2S?

C18H19N3O2S has a degree of unsaturation of 11. 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.