CompoundList
Molecular formula

C18H19N5O3S

152 compounds have this formula on CompoundList.

Molar mass
385.44g/mol
Monoisotopic mass
385.1209Da
Atoms
46
Elements
5
Rings plus double bonds
12

The formula C18H19N5O3S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 3 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 × 1856.09%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 194.97%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 518.17%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 312.45%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.32%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H19N5O3S

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

Showing 1 to 100 of 152 compounds

2-((3-Methyl-7-(2-methylallyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)-N-phenylacetamide chemical structure, C18H19N5O3S, CAS 332098-94-9
2-((3-Methyl-7-(2-methylallyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)-N-phenylacetamide
CAS 332098-94-9C18H19N5O3S
Denibulin chemical structure, C18H19N5O3S, CAS 284019-34-7
Denibulin
CAS 284019-34-7C18H19N5O3S
2-(Ethyl(3-methyl-4-((5-nitro-2,1-benzisothiazol-3-yl)azo)phenyl)amino)ethanol chemical structure, C18H19N5O3S, CAS 85392-17-2
2-(Ethyl(3-methyl-4-((5-nitro-2,1-benzisothiazol-3-yl)azo)phenyl)amino)ethanol
CAS 85392-17-2C18H19N5O3S
8-(1,3-Benzoxazol-2-ylsulfanyl)-3-methyl-7-(3-methylbutyl)purine-2,6-dione chemical structure, C18H19N5O3S, CAS 313530-94-8
8-(1,3-Benzoxazol-2-ylsulfanyl)-3-methyl-7-(3-methylbutyl)purine-2,6-dione
CAS 313530-94-8C18H19N5O3S
2-[[5-(4-Acetamidophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide chemical structure, C18H19N5O3S, CAS 500266-37-5
2-[[5-(4-Acetamidophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide
CAS 500266-37-5C18H19N5O3S
N-Benzyl-2-(1,3,7-trimethyl-2,4-dioxopyrimido[4,5-d]pyrimidin-5-yl)sulfanylacetamide chemical structure, C18H19N5O3S, CAS 852168-39-9
N-Benzyl-2-(1,3,7-trimethyl-2,4-dioxopyrimido[4,5-d]pyrimidin-5-yl)sulfanylacetamide
CAS 852168-39-9C18H19N5O3S
2-((2-Ethyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-phenylacetamide chemical structure, C18H19N5O3S, CAS 892475-35-3
2-((2-Ethyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-phenylacetamide
CAS 892475-35-3C18H19N5O3S
Ethyl 2,4-dimethyl-5-{2-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]acetyl}-1H-pyrrole-3-carboxylate chemical structure, C18H19N5O3S, CAS 302935-96-2
Ethyl 2,4-dimethyl-5-{2-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]acetyl}-1H-pyrrole-3-carboxylate
CAS 302935-96-2C18H19N5O3S
N-(3,5-Dimethoxyphenyl)-2-{[4-methyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C18H19N5O3S, CAS 522639-44-7
N-(3,5-Dimethoxyphenyl)-2-{[4-methyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 522639-44-7C18H19N5O3S
2-{[4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-2-furylmethylidene]acetohydrazide chemical structure, C18H19N5O3S, CAS 303102-78-5
2-{[4-Ethyl-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N'-[(E)-2-furylmethylidene]acetohydrazide
CAS 303102-78-5C18H19N5O3S
2-((3-(4-Methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-1-morpholinoethanone chemical structure, C18H19N5O3S, CAS 852376-17-1
2-((3-(4-Methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)-1-morpholinoethanone
CAS 852376-17-1C18H19N5O3S
2-((6-Amino-1-(3,4-dimethylphenyl)-4-oxo-1,4-dihydropyrimidin-2-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide chemical structure, C18H19N5O3S, CAS 872629-85-1
2-((6-Amino-1-(3,4-dimethylphenyl)-4-oxo-1,4-dihydropyrimidin-2-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide
CAS 872629-85-1C18H19N5O3S
2-((4-Oxo-1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)-N-((tetrahydrofuran-2-yl)methyl)acetamide chemical structure, C18H19N5O3S, CAS 848287-74-1
2-((4-Oxo-1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)thio)-N-((tetrahydrofuran-2-yl)methyl)acetamide
CAS 848287-74-1C18H19N5O3S
N-(4-Acetylphenyl)-2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetamide chemical structure, C18H19N5O3S, CAS 895004-61-2
N-(4-Acetylphenyl)-2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetamide
CAS 895004-61-2C18H19N5O3S
N-(m-Tolyl)-2-((2,6,8-trimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide chemical structure, C18H19N5O3S, CAS 852168-00-4
N-(m-Tolyl)-2-((2,6,8-trimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide
CAS 852168-00-4C18H19N5O3S
4-[3-[(5-Phenyltetrazol-2-yl)methyl]phenyl]sulfonylmorpholine chemical structure, C18H19N5O3S, CAS 919877-32-0
4-[3-[(5-Phenyltetrazol-2-yl)methyl]phenyl]sulfonylmorpholine
CAS 919877-32-0C18H19N5O3S
4-Hydroxy-3-methoxybenzaldehyde (3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl)hydrazone chemical structure, C18H19N5O3S, CAS 624724-93-2
4-Hydroxy-3-methoxybenzaldehyde (3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl)hydrazone
CAS 624724-93-2C18H19N5O3S
2-Hydroxy-3-methoxybenzaldehyde [3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazone chemical structure, C18H19N5O3S, CAS 624725-63-9
2-Hydroxy-3-methoxybenzaldehyde [3-(4-ethoxyphenyl)-5-sulfanyl-4H-1,2,4-triazol-4-yl]hydrazone
CAS 624725-63-9C18H19N5O3S
2-((6-(3-Methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)-1-morpholinoethanone chemical structure, C18H19N5O3S, CAS 877634-46-3
2-((6-(3-Methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)-1-morpholinoethanone
CAS 877634-46-3C18H19N5O3S
N-(2,5-Dimethoxyphenyl)-4-[(1-methyltetrazol-5-yl)sulfanylmethyl]benzamide chemical structure, C18H19N5O3S, CAS 702649-09-0
N-(2,5-Dimethoxyphenyl)-4-[(1-methyltetrazol-5-yl)sulfanylmethyl]benzamide
CAS 702649-09-0C18H19N5O3S
N-((1-(3,4-Dimethylphenyl)-1H-tetrazol-5-yl)methyl)-2-(methylsulfonyl)benzamide chemical structure, C18H19N5O3S, CAS 933222-40-3
N-((1-(3,4-Dimethylphenyl)-1H-tetrazol-5-yl)methyl)-2-(methylsulfonyl)benzamide
CAS 933222-40-3C18H19N5O3S
1-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-5-oxo-N-(1,3,4-thiadiazol-2-yl)pyrrolidine-3-carboxamide chemical structure, C18H19N5O3S, CAS 931373-70-5
1-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-5-oxo-N-(1,3,4-thiadiazol-2-yl)pyrrolidine-3-carboxamide
CAS 931373-70-5C18H19N5O3S
N-(Benzo[d]thiazol-2-yl)-2-(5-methyl-3-(morpholine-4-carbonyl)-1H-pyrazol-1-yl)acetamide chemical structure, C18H19N5O3S, CAS 1172488-78-6
N-(Benzo[d]thiazol-2-yl)-2-(5-methyl-3-(morpholine-4-carbonyl)-1H-pyrazol-1-yl)acetamide
CAS 1172488-78-6C18H19N5O3S
N-(3,4-Dimethoxyphenethyl)-2-(pyrimidin-2-ylamino)thiazole-4-carboxamide chemical structure, C18H19N5O3S, CAS 1251689-06-1
N-(3,4-Dimethoxyphenethyl)-2-(pyrimidin-2-ylamino)thiazole-4-carboxamide
CAS 1251689-06-1C18H19N5O3S

Frequently asked questions

What is the molar mass of C18H19N5O3S?

The molar mass of C18H19N5O3S is 385.44 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 385.1209 Da.

How many compounds have the formula C18H19N5O3S?

CompoundList lists 152 compounds with the molecular formula C18H19N5O3S, including 2-((3-Methyl-7-(2-methylallyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)-N-phenylacetamide, Denibulin, 2-(Ethyl(3-methyl-4-((5-nitro-2,1-benzisothiazol-3-yl)azo)phenyl)amino)ethanol. 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 C18H19N5O3S?

C18H19N5O3S 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.