Molecular formula
C18H19N3O4S
236 compounds have this formula on CompoundList.
- Molar mass
- 373.43g/mol
- Monoisotopic mass
- 377.1347Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H19N3O4S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 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 × 1857.90%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.13%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 311.25%14.007 × 3 = 42.021 g/mol
- O Oxygen × 417.14%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.59%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H19N3O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 236 compounds
(2Z)-2-(4-Isobutoxy-3-methoxybenzylidene)-6-methyl-7H-(1,3)thiazolo(3,2-B)(1,2,4)triazine-3,7(2H)-dione
CAS 606956-83-6C18H19N3O4S
4-(4-Methoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-1,2,4-triazole-3-thiol
CAS 70452-51-6C18H19N3O4S
![(2Z)-2-(3-Ethoxy-4-propoxybenzylidene)-6-methyl-7H-[1,3]thiazolo[3,2-B][1,2,4]triazine-3,7(2H)-dione chemical structure, C18H19N3O4S, CAS 617694-39-0](/s/BDZVPITYSSWANF-GDNBJRDFSA-N.svg)
(2Z)-2-(3-Ethoxy-4-propoxybenzylidene)-6-methyl-7H-[1,3]thiazolo[3,2-B][1,2,4]triazine-3,7(2H)-dione
CAS 617694-39-0C18H19N3O4S
N-(2-Hydroxyethyl)-5-(4-methoxyphthalazin-1-yl)-2-methylbenzenesulfonamide
CAS 442649-13-0C18H19N3O4S
![Methyl 4,5-dimethyl-2-[[2-(3-oxo-2,4-dihydro-1H-quinoxalin-2-yl)acetyl]amino]thiophene-3-carboxylate chemical structure, C18H19N3O4S, CAS 353793-06-3](/s/OIDDOXKDCRQUHP-UHFFFAOYSA-N.svg)
Methyl 4,5-dimethyl-2-[[2-(3-oxo-2,4-dihydro-1H-quinoxalin-2-yl)acetyl]amino]thiophene-3-carboxylate
CAS 353793-06-3C18H19N3O4S
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-4-methoxybenzenesulfonamide
CAS 331271-19-3C18H19N3O4S
![Methyl 2-{[(2-benzyl-5-oxopyrazolidin-3-yl)carbonyl]amino}-5-methylthiophene-3-carboxylate chemical structure, C18H19N3O4S, CAS 956573-61-8](/s/QTLLAHOLKVMDAL-UHFFFAOYSA-N.svg)
Methyl 2-{[(2-benzyl-5-oxopyrazolidin-3-yl)carbonyl]amino}-5-methylthiophene-3-carboxylate
CAS 956573-61-8C18H19N3O4S
![N-(2,4-Dimethoxyphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide chemical structure, C18H19N3O4S, CAS 893385-97-2](/s/DUFRLZBYBNJZQC-UHFFFAOYSA-N.svg)
N-(2,4-Dimethoxyphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide
CAS 893385-97-2C18H19N3O4S
2-(2,5-Dioxopyrrolidin-1-yl)-N-(4-(4-propoxyphenyl)thiazol-2-yl)acetamide
CAS 392324-75-3C18H19N3O4S
N-(2-(Dansylamino)ethyl)maleimide
CAS 160291-45-2C18H19N3O4S
N-(2-Hydroxyethyl)-2-methyl-5-(3-methyl-4-oxophthalazin-1-yl)benzenesulfonamide
CAS 684235-01-6C18H19N3O4S
![N-(3,4-Dimethoxyphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide chemical structure, C18H19N3O4S, CAS 872594-20-2](/s/WSVGIGOZPFCKAZ-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxyphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide
CAS 872594-20-2C18H19N3O4S
2-(Furan-2-yl)-5-(4-methylpiperazin-1-yl)-4-(phenylsulfonyl)oxazole
CAS 823829-42-1C18H19N3O4S
N-(2-Hydroxyethyl)-N,2-dimethyl-5-(4-oxo-3,4-dihydrophthalazin-1-yl)benzenesulfonamide
CAS 442648-52-4C18H19N3O4S
![2-[3-(Furan-2-ylmethyl)-1-methyl-5-oxo-2-sulfanylideneimidazolidin-4-yl]-N-(4-methoxyphenyl)acetamide chemical structure, C18H19N3O4S, CAS 1008482-34-5](/s/CATYVOVQUXTCPV-UHFFFAOYSA-N.svg)
2-[3-(Furan-2-ylmethyl)-1-methyl-5-oxo-2-sulfanylideneimidazolidin-4-yl]-N-(4-methoxyphenyl)acetamide
CAS 1008482-34-5C18H19N3O4S
![2-[1-(2,4-Dimethoxyphenyl)imidazol-2-yl]sulfanyl-N-(furan-2-ylmethyl)acetamide chemical structure, C18H19N3O4S, CAS 869345-57-3](/s/JKOZPDQWZYEXMP-UHFFFAOYSA-N.svg)
2-[1-(2,4-Dimethoxyphenyl)imidazol-2-yl]sulfanyl-N-(furan-2-ylmethyl)acetamide
CAS 869345-57-3C18H19N3O4S
N1-benzyl-N2-((3-(thiophene-2-carbonyl)oxazolidin-2-yl)methyl)oxalamide
CAS 874805-73-9C18H19N3O4S
![Methyl 4-({[4-(2-furylcarbonyl)piperazinyl]thioxomethyl}amino)benzoate chemical structure, C18H19N3O4S, CAS 708282-93-3](/s/ZMBHSWAHVTVPQN-UHFFFAOYSA-N.svg)
Methyl 4-({[4-(2-furylcarbonyl)piperazinyl]thioxomethyl}amino)benzoate
CAS 708282-93-3C18H19N3O4S
![1-(3,4-Dimethoxyphenyl)-3-[(4,6-dimethylpyrimidin-2-yl)sulfanyl]pyrrolidine-2,5-dione chemical structure, C18H19N3O4S, CAS 522652-26-2](/s/ZMBSHGOYTONAQH-UHFFFAOYSA-N.svg)
1-(3,4-Dimethoxyphenyl)-3-[(4,6-dimethylpyrimidin-2-yl)sulfanyl]pyrrolidine-2,5-dione
CAS 522652-26-2C18H19N3O4S
![N-[2-Methoxy-5-(3-methyl-4-oxo-3,4-dihydro-1-phthalazinyl)benzyl]methanesulfonamide chemical structure, C18H19N3O4S, CAS 694463-92-8](/s/MWTKPENKLVNDSP-UHFFFAOYSA-N.svg)
N-[2-Methoxy-5-(3-methyl-4-oxo-3,4-dihydro-1-phthalazinyl)benzyl]methanesulfonamide
CAS 694463-92-8C18H19N3O4S
![Butyl 4-(5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxamido)benzoate chemical structure, C18H19N3O4S, CAS 497072-48-7](/s/VCRWMKOXJCCNCQ-UHFFFAOYSA-N.svg)
Butyl 4-(5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxamido)benzoate
CAS 497072-48-7C18H19N3O4S
![N-(2,5-Dimethoxyphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide chemical structure, C18H19N3O4S, CAS 893386-02-2](/s/SBFCKFZRWBFYSQ-UHFFFAOYSA-N.svg)
N-(2,5-Dimethoxyphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide
CAS 893386-02-2C18H19N3O4S
4-(2,5-Dimethoxyphenyl)-3-(3,5-dimethoxyphenyl)-1H-1,2,4-triazole-5-thione
CAS 488744-50-9C18H19N3O4S
(E)-1-(4-Nitrophenyl)-4-(styrylsulfonyl)piperazine
CAS 494825-76-2C18H19N3O4S
- N-{[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-N,4-dimethylbenzenesulfonamide701244-63-5C18H19N3O4S
- N-(2,5-Dimethoxyphenyl)-6-methyl-2-oxo-4-thiophen-2-yl-3,4-dihydro-1H-pyrimidine-5-carboxamide499133-84-5C18H19N3O4S
- N-[2-(8-Methylimidazo[1,2-a]pyridin-2-yl)ethyl]-2,3-dihydro-1,4-benzodioxine-6-sulfonamide868979-24-2C18H19N3O4S
- N-(4-(Dimethylamino)phenyl)-2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)propanamide899955-32-9C18H19N3O4S
- 4-Isopropoxy-2-methyl-N-(2-pyridinyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide118854-49-2C18H19N3O4S
- N-(2-{7-Methylimidazo[1,2-a]pyridin-2-yl}ethyl)-2,3-dihydro-1,4-benzodioxine-6-sulfonamide868978-99-8C18H19N3O4S
- N-(2-Cyanoethyl)-4-(4-nitrophenyl)-N-propan-2-ylbenzenesulfonamide313496-43-4C18H19N3O4S
- N-(2-Morpholin-4-ylphenyl)-2-(4-nitrophenyl)sulfanylacetamide761420-87-5C18H19N3O4S
- 4-{2-[(2,5-Dioxo-1-phenylpyrrolidin-3-yl)amino]ethyl}benzenesulfonamide472979-64-9C18H19N3O4S
- 2-({2-[2-(2-Hydroxy-3-methoxybenzylidene)hydrazino]-2-oxoethyl}thio)-N-phenylacetamide5924-69-6C18H19N3O4S
- 4-(Benzylsulfanyl)-7-pentofuranosyl-7H-pyrrolo[2,3-d]pyrimidine16754-85-1C18H19N3O4S
- 2-[(2-Nitrobenzoyl)amino]-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide419558-97-7C18H19N3O4S
- 2-[[2-(4-Nitrophenyl)acetyl]amino]-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxamide560103-56-2C18H19N3O4S
- 6-Methyl-2-[(3-methyl-4-nitrobenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide438463-97-9C18H19N3O4S
- N-(1,3-Benzodioxol-5-ylmethyl)-2-[(2-oxo-5,6,7,8-tetrahydro-1H-quinazolin-4-yl)sulfanyl]acetamide923114-56-1C18H19N3O4S
- Ethyl 3-methyl-5-(2-(3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamido)thiophene-2-carboxylate1032268-27-1C18H19N3O4S
- 1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(thiophen-2-ylmethyl)urea891112-76-8C18H19N3O4S
- p-Hydroxy rosiglitazone257883-22-0C18H19N3O4S
- 2-[3-(Furan-2-ylmethyl)-4-oxoquinazolin-2-yl]sulfanyl-N-(2-methoxyethyl)acetamide451463-45-9C18H19N3O4S
- Ethyl 2-[[2-[(2-oxo-1,5,6,7-tetrahydrocyclopenta[d]pyrimidin-4-yl)sulfanyl]acetyl]amino]benzoate946324-09-0C18H19N3O4S
- Methyl 4-[[2-[(2-oxo-5,6,7,8-tetrahydro-1H-quinazolin-4-yl)sulfanyl]acetyl]amino]benzoate932961-34-7C18H19N3O4S
- (2Z)-2-[(4-Butoxy-3-methoxyphenyl)methylidene]-6-methyl-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7-dione381191-84-0C18H19N3O4S
- [2-[(1-Cyanocyclohexyl)amino]-2-oxoethyl] 2-(1,3-benzoxazol-2-ylsulfanyl)acetate878225-39-9C18H19N3O4S
- 1-(2,3-Dihydrobenzo[b][1,4]dioxine-2-carbonyl)-N-(thiazol-2-yl)piperidine-4-carboxamide951973-11-8C18H19N3O4S
- 5-(Morpholin-4-ylsulfonyl)indolinyl 4-pyridyl ketone919214-70-3C18H19N3O4S
- N,N,4-trimethyl-2-(2-((3-oxo-2,3-dihydro-1H-inden-5-yl)oxy)acetamido)thiazole-5-carboxamide1203240-37-2C18H19N3O4S
- 4-(2-Cyclopropyl-2-oxoethoxy)-N-(4-(2-(methylamino)-2-oxoethyl)thiazol-2-yl)benzamide1226435-84-2C18H19N3O4S
- 3-Methyl-6-{[4-(pyridin-4-yl)piperidin-1-yl]sulfonyl}-2,3-dihydro-1,3-benzoxazol-2-one932992-44-4C18H19N3O4S
- N1-benzyl-N2-(3-(1,1-dioxidoisothiazolidin-2-yl)phenyl)oxalamide1105206-23-2C18H19N3O4S
- 1-(2-Methylpropyl)-5-(3-methylthiophen-2-yl)-5,9-dihydrofuro[3',4':5,6]pyrido[2,3-d]pyrimidine-2,4,6(1H,3H,8H)-trione874594-36-2C18H19N3O4S
- 5-(Morpholin-4-ylsulfonyl)indolinyl 2-pyridyl ketone919053-89-7C18H19N3O4S
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-phenylethanesulfonamide946344-60-1C18H19N3O4S
- N-(3-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)propyl)-1-phenylmethanesulfonamide1021253-76-8C18H19N3O4S
- 6-Acetyl-2-[(2-methoxybenzoyl)amino]-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxamide864927-95-7C18H19N3O4S
- 2-(3,4-Dimethoxyphenyl)-N-(3,7-dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)acetamide946358-30-1C18H19N3O4S
- N-(4-(N-(1-Acetylindolin-6-yl)sulfamoyl)phenyl)acetamide1060188-95-5C18H19N3O4S
- N-(3-Methyl-4-(N-(2-oxoindolin-5-yl)sulfamoyl)phenyl)propionamide921812-37-5C18H19N3O4S
- 1 suppliers4-Hydroxy-N,N,2-trimethyl-1-((4-methylphenyl)sulfonyl)-1H-benzimidazole-6-carboxamide942195-86-0C18H19N3O4S
- 2,4-Dimethoxy-N'-(4-methoxy-7-methyl-1,3-benzothiazol-2-yl)benzohydrazide851987-75-2C18H19N3O4S
- 2-(4''-Cyano-biphenyl-4-sulfonylamino)-N-hydroxy-3-methyl-butyramide261625-50-7C18H19N3O4S
- N-(6-Methoxybenzo[d]thiazol-2-yl)-3-methyl-N-((tetrahydrofuran-2-yl)methyl)isoxazole-5-carboxamide953184-53-7C18H19N3O4S
- N-(4,5-Dimethoxy-2-methylphenyl)-4-oxothieno[2,3-d]pyrimidine-3(4H)-propanamide950124-74-0C18H19N3O4S
- Methyl 5-ethyl-2-{[(3-hydroxy-1,2-dihydroquinoxalin-2-yl)acetyl]amino}thiophene-3-carboxylate939895-54-2C18H19N3O4S
- 4-(2-(3-Nitrophenyl)-4-thioxo-5,6,7,8-tetrahydroquinazolin-1(4H)-yl)butanoic acid538338-51-1C18H19N3O4S
- N-(3-(1-Acetyl-5-(2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide868212-10-6C18H19N3O4S
- N-[(5-Butan-2-yl-2-hydroxyphenyl)carbamothioyl]-4-nitrobenzamide335210-06-5C18H19N3O4S
- Prop-2-enyl 1,3,7-trimethyl-2,4-dioxo-5-thiophen-2-yl-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate622361-83-5C18H19N3O4S
- N-[2-(2-Methoxyphenyl)ethyl]-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxamide946207-01-8C18H19N3O4S
- 3-Oxo-N-(3-pyrrolidin-1-ylphenyl)-4H-1,4-benzoxazine-6-sulfonamide540517-55-3C18H19N3O4S
- 4-Morpholineacetamide, N-(4-((4-nitrophenyl)thio)phenyl)-66976-51-0C18H19N3O4S
- N-{2-[1-Acetyl-5-(4-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide920445-46-1C18H19N3O4S
- Methyl 2-(2-(6,7-dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamido)thiophene-3-carboxylate1188363-49-6C18H19N3O4S
- 5-Hydroxy rosiglitazone-d41246817-46-8C18H19N3O4S
- Ethanone, 1-(2,4-dimethoxyphenyl)-2-[[4-ethyl-5-(2-furanyl)-4H-1,2,4-triazol-3-yl]thio]-606111-68-6C18H19N3O4S
- Methyl 4-((N-((((4-methylphenyl)amino)thioxomethyl)amino)carbamoyl)methoxy)benzoate1023532-72-0C18H19N3O4S
- 1-((4-Acetamidophenyl)amino)-1-oxopropan-2-yl 2-(methylthio)nicotinate438007-48-8C18H19N3O4S
- Ethyl 4-((2-(indolin-1-yl)-2-oxoethyl)thio)-6-methyl-2-oxo-1,2-dihydropyrimidine-5-carboxylate946354-56-9C18H19N3O4S
- 4-[(3,4-Dimethoxyphenyl)amino]-6,7-dimethoxy-1,2-dihydroquinazoline-2-thione902579-51-5C18H19N3O4S
- N-{2-[1-Acetyl-5-(2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide921085-70-3C18H19N3O4S
- 3-{[(2-Furoylamino)carbothioyl]amino}-N-(tetrahydro-2-furanylmethyl)benzamide940478-80-8C18H19N3O4S
- 4-{[(2-Furoylamino)carbothioyl]amino}-N-(tetrahydro-2-furanylmethyl)benzamide940466-99-9C18H19N3O4S
- 2,3-Dioxo-N-(4-phenylbutan-2-yl)-1,2,3,4-tetrahydroquinoxaline-6-sulfonamide928743-58-2C18H19N3O4S
- 1-((4-Acetamidophenyl)sulfonyl)-N-methylindoline-2-carboxamide1103515-83-8C18H19N3O4S
- Ethyl 4-{4-[(4-methyl-1,3-thiazol-2-yl)carbamoyl]-2-oxopyrrolidin-1-yl}benzoate1081127-74-3C18H19N3O4S
- Ethyl 2-{[(5-methoxy-1H-indol-1-yl)acetyl]amino}-4-methyl-1,3-thiazole-5-carboxylate1219566-21-8C18H19N3O4S
- Ethyl (2-{[(4-methoxy-1H-indol-1-yl)acetyl]amino}-1,3-thiazol-4-yl)acetate1282102-43-5C18H19N3O4S
- Methyl 5-isopropyl-2-{[2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)acetyl]amino}-1,3-thiazole-4-carboxylate1380585-35-2C18H19N3O4S
- 4-Acetyloxy omeprazole1246814-65-2C18H19N3O4S
- Methyl 2-({[1-(2-methoxyethyl)-1H-indol-4-yl]carbonyl}amino)-5-methyl-1,3-thiazole-4-carboxylate1442084-82-3C18H19N3O4S
- Methyl 2-{[3-(4-methoxy-1H-indol-1-yl)propanoyl]amino}-5-methyl-1,3-thiazole-4-carboxylate1401601-58-8C18H19N3O4S
- Ethyl 2-({[1-(2-methoxyethyl)-1H-indol-4-yl]carbonyl}amino)-1,3-thiazole-4-carboxylate1435975-40-8C18H19N3O4S
- Ethyl 2-({[1-(2-methoxyethyl)-1H-indol-6-yl]carbonyl}amino)-1,3-thiazole-4-carboxylate1435989-46-0C18H19N3O4S
- Methyl 5-({4-[5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl]piperidin-1-YL}methyl)furan-2-carboxylate1448134-74-4C18H19N3O4S
- 4,5-Bis(3,4-dimethoxyphenyl)-1,2,4-triazole-3-thiol864544-39-8C18H19N3O4S
- 4-Ethoxy-N-[(4-ethylphenyl)carbamothioyl]-3-nitrobenzamide426228-29-7C18H19N3O4S
- (Z)-N-(3-Allyl-4-ethoxybenzo[d]thiazol-2(3H)-ylidene)-2-(2,5-dioxopyrrolidin-1-yl)acetamide868376-69-6C18H19N3O4S
Frequently asked questions
What is the molar mass of C18H19N3O4S?
The molar mass of C18H19N3O4S is 373.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 377.1347 Da.
How many compounds have the formula C18H19N3O4S?
CompoundList lists 236 compounds with the molecular formula C18H19N3O4S, including (2Z)-2-(4-Isobutoxy-3-methoxybenzylidene)-6-methyl-7H-(1,3)thiazolo(3,2-B)(1,2,4)triazine-3,7(2H)-dione, 4-(4-Methoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-1,2,4-triazole-3-thiol, (2Z)-2-(3-Ethoxy-4-propoxybenzylidene)-6-methyl-7H-[1,3]thiazolo[3,2-B][1,2,4]triazine-3,7(2H)-dione. 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 C18H19N3O4S?
C18H19N3O4S 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.