CompoundList
Molecular formula

C18H17N3O2S

390 compounds have this formula on CompoundList.

Molar mass
339.41g/mol
Monoisotopic mass
339.1041Da
Atoms
41
Elements
5
Rings plus double bonds
12

The formula C18H17N3O2S describes a molecule made of 18 carbon atoms, 17 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 × 1863.70%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 175.05%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 312.38%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 29.43%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 19.45%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H17N3O2S

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

Showing 1 to 100 of 390 compounds

5-Phenyl-2-(piperidin-1-yl)-[1,3]thiazolo[4,5-b]pyridine-7-carboxylic acid chemical structure, C18H17N3O2S, CAS 852388-80-8
5-Phenyl-2-(piperidin-1-yl)-[1,3]thiazolo[4,5-b]pyridine-7-carboxylic acid
CAS 852388-80-8C18H17N3O2S
(Z)-1-(3-(2,4-Dimethylphenyl)-4-oxothiazolidin-2-ylidene)-3-phenylurea chemical structure, C18H17N3O2S, CAS 326014-15-7
(Z)-1-(3-(2,4-Dimethylphenyl)-4-oxothiazolidin-2-ylidene)-3-phenylurea
CAS 326014-15-7C18H17N3O2S
3-(2,5-Dimethylpyrrol-1-yl)-2-methyl-5-(5-methylfuran-2-yl)thieno[2,3-d]pyrimidin-4-one chemical structure, C18H17N3O2S, CAS 379246-49-8
3-(2,5-Dimethylpyrrol-1-yl)-2-methyl-5-(5-methylfuran-2-yl)thieno[2,3-d]pyrimidin-4-one
CAS 379246-49-8C18H17N3O2S
6-(Allylthio)-4-(2-ethoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyridine-3,5-dicarbonitrile chemical structure, C18H17N3O2S, CAS 375827-97-7
6-(Allylthio)-4-(2-ethoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyridine-3,5-dicarbonitrile
CAS 375827-97-7C18H17N3O2S
N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-3-methylbenzamide chemical structure, C18H17N3O2S, CAS 519170-11-7
N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-3-methylbenzamide
CAS 519170-11-7C18H17N3O2S
Morpholin-4-yl-(1-phenyl-3-thiophen-2-ylpyrazol-4-yl)methanone chemical structure, C18H17N3O2S, CAS 686769-84-6
Morpholin-4-yl-(1-phenyl-3-thiophen-2-ylpyrazol-4-yl)methanone
CAS 686769-84-6C18H17N3O2S
5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-4-(1-pyrrolidinyl)thieno[2,3-d]pyrimidine chemical structure, C18H17N3O2S, CAS 431909-43-2
5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-4-(1-pyrrolidinyl)thieno[2,3-d]pyrimidine
CAS 431909-43-2C18H17N3O2S
2-(((5-Methyl-2-phenyloxazol-4-yl)methyl)thio)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-ol chemical structure, C18H17N3O2S, CAS 902446-40-6
2-(((5-Methyl-2-phenyloxazol-4-yl)methyl)thio)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-ol
CAS 902446-40-6C18H17N3O2S
N-(4-Morpholinophenyl)benzo[d]thiazole-2-carboxamide chemical structure, C18H17N3O2S, CAS 695175-07-6
N-(4-Morpholinophenyl)benzo[d]thiazole-2-carboxamide
CAS 695175-07-6C18H17N3O2S
N-[2-(2,3-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]furan-2-carboxamide chemical structure, C18H17N3O2S, CAS 450343-81-4
N-[2-(2,3-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]furan-2-carboxamide
CAS 450343-81-4C18H17N3O2S
N-[5-(4-Methoxybenzyl)-1,3,4-thiadiazol-2-yl]-2-methylbenzamide chemical structure, C18H17N3O2S, CAS 510735-33-8
N-[5-(4-Methoxybenzyl)-1,3,4-thiadiazol-2-yl]-2-methylbenzamide
CAS 510735-33-8C18H17N3O2S
N-(4-Methoxyphenyl)-2-((1-phenyl-1H-imidazol-2-yl)thio)acetamide chemical structure, C18H17N3O2S, CAS 688335-23-1
N-(4-Methoxyphenyl)-2-((1-phenyl-1H-imidazol-2-yl)thio)acetamide
CAS 688335-23-1C18H17N3O2S
(2E,5Z)-5-(4-(Dimethylamino)benzylidene)-2-((4-hydroxyphenyl)imino)thiazolidin-4-one chemical structure, C18H17N3O2S, CAS 24045-19-0
(2E,5Z)-5-(4-(Dimethylamino)benzylidene)-2-((4-hydroxyphenyl)imino)thiazolidin-4-one
CAS 24045-19-0C18H17N3O2S
6-(4-Phenylpiperazin-1-yl)[1,3]dioxolo[4,5-f][1,3]benzothiazole chemical structure, C18H17N3O2S, CAS 863001-64-3
6-(4-Phenylpiperazin-1-yl)[1,3]dioxolo[4,5-f][1,3]benzothiazole
CAS 863001-64-3C18H17N3O2S
N-(2,5-Dimethylphenyl)-2-[(5-phenyl-1,3,4-oxadiazol-2-yl)sulfanyl]acetamide chemical structure, C18H17N3O2S, CAS 538337-83-6
N-(2,5-Dimethylphenyl)-2-[(5-phenyl-1,3,4-oxadiazol-2-yl)sulfanyl]acetamide
CAS 538337-83-6C18H17N3O2S
(E)-N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-thiophen-2-ylprop-2-enamide chemical structure, C18H17N3O2S, CAS 1164542-17-9
(E)-N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-thiophen-2-ylprop-2-enamide
CAS 1164542-17-9C18H17N3O2S
2-(1,3-Dimethylbenzimidazol-2-ylidene)-2-(4-methylphenyl)sulfonylacetonitrile chemical structure, C18H17N3O2S, CAS 851175-29-6
2-(1,3-Dimethylbenzimidazol-2-ylidene)-2-(4-methylphenyl)sulfonylacetonitrile
CAS 851175-29-6C18H17N3O2S
N-(4-Ethylphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide chemical structure, C18H17N3O2S, CAS 872723-42-7
N-(4-Ethylphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide
CAS 872723-42-7C18H17N3O2S
N-({[4-(Acetylamino)phenyl]amino}carbonothioyl)-3-phenylacrylamide chemical structure, C18H17N3O2S, CAS 6153-24-8
N-({[4-(Acetylamino)phenyl]amino}carbonothioyl)-3-phenylacrylamide
CAS 6153-24-8C18H17N3O2S
2-((5-Benzyl-1,3,4-oxadiazol-2-yl)thio)-N-(o-tolyl)acetamide chemical structure, C18H17N3O2S, CAS 220597-81-9
2-((5-Benzyl-1,3,4-oxadiazol-2-yl)thio)-N-(o-tolyl)acetamide
CAS 220597-81-9C18H17N3O2S
2-((5-Benzyl-1,3,4-oxadiazol-2-yl)thio)-N-(m-tolyl)acetamide chemical structure, C18H17N3O2S, CAS 220597-82-0
2-((5-Benzyl-1,3,4-oxadiazol-2-yl)thio)-N-(m-tolyl)acetamide
CAS 220597-82-0C18H17N3O2S
Ethyl 3-(3-phenylthioureido)-1H-indole-2-carboxylate chemical structure, C18H17N3O2S, CAS 116989-29-8
Ethyl 3-(3-phenylthioureido)-1H-indole-2-carboxylate
CAS 116989-29-8C18H17N3O2S
2-((5-Benzyl-1,3,4-oxadiazol-2-yl)thio)-N-(p-tolyl)acetamide chemical structure, C18H17N3O2S, CAS 130781-77-0
2-((5-Benzyl-1,3,4-oxadiazol-2-yl)thio)-N-(p-tolyl)acetamide
CAS 130781-77-0C18H17N3O2S
3-(3,4-Dimethoxyphenyl)-6-(pyridin-2-ylmethylsulfanyl)pyridazine chemical structure, C18H17N3O2S, CAS 626222-30-8
3-(3,4-Dimethoxyphenyl)-6-(pyridin-2-ylmethylsulfanyl)pyridazine
CAS 626222-30-8C18H17N3O2S

Frequently asked questions

What is the molar mass of C18H17N3O2S?

The molar mass of C18H17N3O2S is 339.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 339.1041 Da.

How many compounds have the formula C18H17N3O2S?

CompoundList lists 390 compounds with the molecular formula C18H17N3O2S, including 5-Phenyl-2-(piperidin-1-yl)-[1,3]thiazolo[4,5-b]pyridine-7-carboxylic acid, (Z)-1-(3-(2,4-Dimethylphenyl)-4-oxothiazolidin-2-ylidene)-3-phenylurea, 3-(2,5-Dimethylpyrrol-1-yl)-2-methyl-5-(5-methylfuran-2-yl)thieno[2,3-d]pyrimidin-4-one. 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 C18H17N3O2S?

C18H17N3O2S 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.