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Molecular formula

C18H13N5O2S

26 compounds have this formula on CompoundList.

Molar mass
363.39g/mol
Monoisotopic mass
363.0790Da
Atoms
39
Elements
5
Rings plus double bonds
15

The formula C18H13N5O2S describes a molecule made of 18 carbon atoms, 13 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 × 1859.49%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 133.61%
    1.008 × 13 = 13.104 g/mol
  • N Nitrogen × 519.27%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 28.81%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 18.82%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H13N5O2S

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

Showing 1 to 26 of 26 compounds

3-Methyl-4-oxo-N-[4-(pyridin-2-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide chemical structure, C18H13N5O2S, CAS 848595-10-8
3-Methyl-4-oxo-N-[4-(pyridin-2-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide
CAS 848595-10-8C18H13N5O2S
4-[(3-Nitrophenyl)methylsulfanyl]-1-phenylpyrazolo[3,4-d]pyrimidine chemical structure, C18H13N5O2S, CAS 893932-11-1
4-[(3-Nitrophenyl)methylsulfanyl]-1-phenylpyrazolo[3,4-d]pyrimidine
CAS 893932-11-1C18H13N5O2S
2-{[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]sulfanyl}-6-(pyridin-2-yl)pyrimidin-4-ol chemical structure, C18H13N5O2S, CAS 1021256-03-0
2-{[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]sulfanyl}-6-(pyridin-2-yl)pyrimidin-4-ol
CAS 1021256-03-0C18H13N5O2S
6-((4-(Hydroxy(oxido)amino)phenyl)diazenyl)-5-methyl-3-phenylimidazo(2,1-b)(1,3)thiazole chemical structure, C18H13N5O2S, CAS 87287-51-2
6-((4-(Hydroxy(oxido)amino)phenyl)diazenyl)-5-methyl-3-phenylimidazo(2,1-b)(1,3)thiazole
CAS 87287-51-2C18H13N5O2S
3-Methyl-4-oxo-N-[4-(pyridin-4-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide chemical structure, C18H13N5O2S, CAS 848182-23-0
3-Methyl-4-oxo-N-[4-(pyridin-4-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide
CAS 848182-23-0C18H13N5O2S
3-Methyl-4-oxo-N-[4-(pyridin-3-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide chemical structure, C18H13N5O2S, CAS 867295-46-3
3-Methyl-4-oxo-N-[4-(pyridin-3-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide
CAS 867295-46-3C18H13N5O2S
6-(Benzo[d][1,3]dioxol-5-yl)-3-((pyridin-3-ylmethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazine chemical structure, C18H13N5O2S, CAS 894065-03-3
6-(Benzo[d][1,3]dioxol-5-yl)-3-((pyridin-3-ylmethyl)thio)-[1,2,4]triazolo[4,3-b]pyridazine
CAS 894065-03-3C18H13N5O2S
2-(1-Oxophthalazin-2(1H)-yl)-N-[(2Z)-4-(pyridin-3-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C18H13N5O2S, CAS 1310946-60-1
2-(1-Oxophthalazin-2(1H)-yl)-N-[(2Z)-4-(pyridin-3-yl)-1,3-thiazol-2(3H)-ylidene]acetamide
CAS 1310946-60-1C18H13N5O2S
2-(1-Oxophthalazin-2(1H)-yl)-N-[(2Z)-4-(pyridin-2-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C18H13N5O2S, CAS 1282124-07-5
2-(1-Oxophthalazin-2(1H)-yl)-N-[(2Z)-4-(pyridin-2-yl)-1,3-thiazol-2(3H)-ylidene]acetamide
CAS 1282124-07-5C18H13N5O2S
Benzo[d]thiazol-6-yl(3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone chemical structure, C18H13N5O2S, CAS 1251550-74-9
Benzo[d]thiazol-6-yl(3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone
CAS 1251550-74-9C18H13N5O2S
2-(1-Oxophthalazin-2(1H)-yl)-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C18H13N5O2S, CAS 1282098-76-3
2-(1-Oxophthalazin-2(1H)-yl)-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide
CAS 1282098-76-3C18H13N5O2S
Quinoxalin-2-yl(3-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone chemical structure, C18H13N5O2S, CAS 1396683-08-1
Quinoxalin-2-yl(3-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone
CAS 1396683-08-1C18H13N5O2S
3-Benzyl-6-[(E)-2-(4-nitrophenyl)ethenyl]-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H13N5O2S, CAS 709004-30-8
3-Benzyl-6-[(E)-2-(4-nitrophenyl)ethenyl]-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 709004-30-8C18H13N5O2S
3-((4-Nitrobenzyl)thio)-6-phenyl-[1,2,4]triazolo[4,3-b]pyridazine chemical structure, C18H13N5O2S, CAS 891118-64-2
3-((4-Nitrobenzyl)thio)-6-phenyl-[1,2,4]triazolo[4,3-b]pyridazine
CAS 891118-64-2C18H13N5O2S
3-(Benzylthio)-6-(3-nitrophenyl)-[1,2,4]triazolo[4,3-b]pyridazine chemical structure, C18H13N5O2S, CAS 891120-83-5
3-(Benzylthio)-6-(3-nitrophenyl)-[1,2,4]triazolo[4,3-b]pyridazine
CAS 891120-83-5C18H13N5O2S
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-4-(4-oxoquinazolin-3(4H)-yl)benzamide chemical structure, C18H13N5O2S, CAS 1190264-32-4
N-(5-Methyl-1,3,4-thiadiazol-2-yl)-4-(4-oxoquinazolin-3(4H)-yl)benzamide
CAS 1190264-32-4C18H13N5O2S
Benzo[d]thiazol-2-yl(3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone chemical structure, C18H13N5O2S, CAS 1251685-83-2
Benzo[d]thiazol-2-yl(3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone
CAS 1251685-83-2C18H13N5O2S
Benzo[c][1,2,5]thiadiazol-5-yl(3-(3-phenyl-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone chemical structure, C18H13N5O2S, CAS 1251681-19-2
Benzo[c][1,2,5]thiadiazol-5-yl(3-(3-phenyl-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone
CAS 1251681-19-2C18H13N5O2S
2-[3-(Naphthalen-2-yl)-6-oxopyridazin-1(6H)-yl]-N-[(2E)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide chemical structure, C18H13N5O2S, CAS 1282132-38-0
2-[3-(Naphthalen-2-yl)-6-oxopyridazin-1(6H)-yl]-N-[(2E)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide
CAS 1282132-38-0C18H13N5O2S
4-[(4-Nitrophenyl)methylsulfanyl]-1-phenylpyrazolo[3,4-d]pyrimidine chemical structure, C18H13N5O2S, CAS 577790-99-9
4-[(4-Nitrophenyl)methylsulfanyl]-1-phenylpyrazolo[3,4-d]pyrimidine
CAS 577790-99-9C18H13N5O2S
2-(((6-(3-Nitrophenyl)pyridazin-3-yl)thio)methyl)imidazo[1,2-a]pyridine chemical structure, C18H13N5O2S, CAS 1208628-18-5
2-(((6-(3-Nitrophenyl)pyridazin-3-yl)thio)methyl)imidazo[1,2-a]pyridine
CAS 1208628-18-5C18H13N5O2S
N-(2-((3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)pyrazine-2-carboxamide chemical structure, C18H13N5O2S, CAS 1705952-02-8
N-(2-((3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)pyrazine-2-carboxamide
CAS 1705952-02-8C18H13N5O2S
5-(Pyridin-3-yl)-N-{[3-(thiophen-2-yl)pyrazin-2-yl]methyl}-1,2-oxazole-3-carboxamide chemical structure, C18H13N5O2S, CAS 2034389-49-4
5-(Pyridin-3-yl)-N-{[3-(thiophen-2-yl)pyrazin-2-yl]methyl}-1,2-oxazole-3-carboxamide
CAS 2034389-49-4C18H13N5O2S
(Z)-2-Amino-3-[[2-(4-methylphenyl)sulfanyl-5-nitrophenyl]methylideneamino]but-2-enedinitrile chemical structure, C18H13N5O2S, CAS 1024776-21-3
(Z)-2-Amino-3-[[2-(4-methylphenyl)sulfanyl-5-nitrophenyl]methylideneamino]but-2-enedinitrile
CAS 1024776-21-3C18H13N5O2S

Frequently asked questions

What is the molar mass of C18H13N5O2S?

The molar mass of C18H13N5O2S is 363.39 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 363.0790 Da.

How many compounds have the formula C18H13N5O2S?

CompoundList lists 26 compounds with the molecular formula C18H13N5O2S, including 3-Methyl-4-oxo-N-[4-(pyridin-2-yl)-1,3-thiazol-2-yl]-3,4-dihydrophthalazine-1-carboxamide, 4-[(3-Nitrophenyl)methylsulfanyl]-1-phenylpyrazolo[3,4-d]pyrimidine, 2-{[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]sulfanyl}-6-(pyridin-2-yl)pyrimidin-4-ol. 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 C18H13N5O2S?

C18H13N5O2S has a degree of unsaturation of 15. 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.