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 101 to 200 of 356 compounds
Benzenesulfonamide, 4-methyl-N-(((phenylmethyl)amino)(2-propynylamino)methylene)-
CAS 71795-21-6C18H19N3O2S
Benzenesulfonamide, 4-methyl-N-(5-methyl-1-(phenylmethyl)-1H-imidazol-2-yl)-
CAS 71795-31-8C18H19N3O2S
![1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-2-carboxylic acid chemical structure, C18H19N3O2S, CAS 1029106-99-7](/s/LHKPCQSWYPIZBA-UHFFFAOYSA-N.svg)
1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-2-carboxylic acid
CAS 1029106-99-7C18H19N3O2S
![3-Amino-2-benzyl-6,6-dimethyl-5,8-dihydropyrano[2,3]thieno[2,4-d]pyrimidin-4-one chemical structure, C18H19N3O2S, CAS 305807-19-6](/s/XJSHPISJNHLDSH-UHFFFAOYSA-N.svg)
3-Amino-2-benzyl-6,6-dimethyl-5,8-dihydropyrano[2,3]thieno[2,4-d]pyrimidin-4-one
CAS 305807-19-6C18H19N3O2S
![4-{4-[(4-Methylphenyl)sulfonyl]piperazino}benzenecarbonitrile chemical structure, C18H19N3O2S, CAS 478046-94-5](/s/TVOXAGDFOQTNJI-UHFFFAOYSA-N.svg)
4-{4-[(4-Methylphenyl)sulfonyl]piperazino}benzenecarbonitrile
CAS 478046-94-5C18H19N3O2S
N-(2-Cyano-4,5-dimethoxyphenyl)-N'-(3,5-dimethylphenyl)thiourea
CAS 343374-96-9C18H19N3O2S
4-(2-Methoxyphenyl)-3-(4-propoxyphenyl)-1H-1,2,4-triazole-5-thione
CAS 496787-45-2C18H19N3O2S
![1-(Azepan-1-yl)-2-(benzofuro[3,2-d]pyrimidin-4-ylthio)ethanone chemical structure, C18H19N3O2S, CAS 851130-09-1](/s/JRXPTVIUBXOKEQ-UHFFFAOYSA-N.svg)
1-(Azepan-1-yl)-2-(benzofuro[3,2-d]pyrimidin-4-ylthio)ethanone
CAS 851130-09-1C18H19N3O2S
![2-(Benzofuro[3,2-d]pyrimidin-4-ylthio)-1-(4-methylpiperidin-1-yl)ethanone chemical structure, C18H19N3O2S, CAS 851130-11-5](/s/RCCDPEPZNXDDHT-UHFFFAOYSA-N.svg)
2-(Benzofuro[3,2-d]pyrimidin-4-ylthio)-1-(4-methylpiperidin-1-yl)ethanone
CAS 851130-11-5C18H19N3O2S
![N-[(4-Acetamidophenyl)carbamothioyl]-3,4-dimethylbenzamide chemical structure, C18H19N3O2S, CAS 335213-20-2](/s/KPAZKEWBCWUNOQ-UHFFFAOYSA-N.svg)
N-[(4-Acetamidophenyl)carbamothioyl]-3,4-dimethylbenzamide
CAS 335213-20-2C18H19N3O2S
N-(2,5-Dimethylphenyl)-6-methyl-2-oxo-4-(thiophen-2-yl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 537680-49-2C18H19N3O2S
![1-(3,4-Dimethylphenyl)-2-[[4-ethyl-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanyl]ethanone chemical structure, C18H19N3O2S, CAS 606111-55-1](/s/GLVCLBJCXHVIDC-UHFFFAOYSA-N.svg)
1-(3,4-Dimethylphenyl)-2-[[4-ethyl-5-(furan-2-yl)-1,2,4-triazol-3-yl]sulfanyl]ethanone
CAS 606111-55-1C18H19N3O2S
![N-(4-Butylphenyl)-3-methyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide chemical structure, C18H19N3O2S, CAS 851945-02-3](/s/NDRMJJBZTZMZGQ-UHFFFAOYSA-N.svg)
N-(4-Butylphenyl)-3-methyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide
CAS 851945-02-3C18H19N3O2S
![2-Phenoxy-1-[2-(pyridin-3-ylmethylsulfanyl)-4,5-dihydroimidazol-1-yl]propan-1-one chemical structure, C18H19N3O2S, CAS 851807-81-3](/s/LROCTZFMXFBAKG-UHFFFAOYSA-N.svg)
2-Phenoxy-1-[2-(pyridin-3-ylmethylsulfanyl)-4,5-dihydroimidazol-1-yl]propan-1-one
CAS 851807-81-3C18H19N3O2S
4-(Dimethylamino)-N-(4-methoxy-3-methyl-1,3-benzothiazol-2-ylidene)benzamide
CAS 477294-71-6C18H19N3O2S
![2-(3-Oxo-2-piperazinyl)-N-[2-(phenylsulfanyl)phenyl]acetamide chemical structure, C18H19N3O2S, CAS 1009295-15-1](/s/HCXRXXXUANUSJF-UHFFFAOYSA-N.svg)
2-(3-Oxo-2-piperazinyl)-N-[2-(phenylsulfanyl)phenyl]acetamide
CAS 1009295-15-1C18H19N3O2S
![1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-3-carboxylic acid chemical structure, C18H19N3O2S, CAS 912770-75-3](/s/LWYNAUZAWMINFZ-UHFFFAOYSA-N.svg)
1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-3-carboxylic acid
CAS 912770-75-3C18H19N3O2S
![1,3,6-Trimethyl-5-(phenethylthio)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C18H19N3O2S, CAS 941877-18-5](/s/KFESKEPBHPTWID-UHFFFAOYSA-N.svg)
1,3,6-Trimethyl-5-(phenethylthio)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 941877-18-5C18H19N3O2S
![N-(5,7-Dimethylthiazolo[4,5-b]pyridin-2-yl)-3-(4-methoxyphenyl)propanamide chemical structure, C18H19N3O2S, CAS 1021020-45-0](/s/KCMHEDWDCTZLSH-UHFFFAOYSA-N.svg)
N-(5,7-Dimethylthiazolo[4,5-b]pyridin-2-yl)-3-(4-methoxyphenyl)propanamide
CAS 1021020-45-0C18H19N3O2S
![N-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-2-[6-oxo-3-(2-thienyl)-1(6H)-pyridazinyl]acetamide chemical structure, C18H19N3O2S, CAS 1246052-82-3](/s/PAYBRUHLIHKCIH-UHFFFAOYSA-N.svg)
N-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-2-[6-oxo-3-(2-thienyl)-1(6H)-pyridazinyl]acetamide
CAS 1246052-82-3C18H19N3O2S
N-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)pyridine-3-sulfonamide
CAS 1396816-07-1C18H19N3O2S
N-(2-(4-(Furan-2-yl)-1-methyl-1H-imidazol-2-yl)ethyl)-2-(methylthio)benzamide
CAS 1421504-75-7C18H19N3O2S
2-(Benzylthio)-N-((5-(furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)acetamide
CAS 1421489-80-6C18H19N3O2S
2-(Ethylthio)-N-((5-(furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)benzamide
CAS 1421512-84-6C18H19N3O2S
- 7-Methyl-3-(2-methylindoline-1-carbonyl)-3,4-dihydropyrimido[2,1-b][1,3]thiazin-6(2H)-one1396758-75-0C18H19N3O2S
- Acetamide, 2-(4-ethylphenoxy)-N-1H-pyrazol-3-yl-N-(2-thienylmethyl)-2015168-50-8C18H19N3O2S
- 5,6-Dimethyl-2-(((5-methyl-2-(p-tolyl)oxazol-4-yl)methyl)thio)pyrimidin-4-ol1040646-23-8C18H19N3O2S
- 5-(3,5-Dimethoxyphenyl)-4-(2,4-dimethylphenyl)-4H-1,2,4-triazole-3-thiol523990-80-9C18H19N3O2S
- 2-Methyl-N-[[4-(propanoylamino)phenyl]carbamothioyl]benzamide401617-91-2C18H19N3O2S
- 3-Amino-2-[(4-methoxyphenyl)methyl]-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-one380901-35-9C18H19N3O2S
- 8-Methyl-2-[3-(pyrrolidin-1-ylsulfonyl)phenyl]imidazo[1,2-a]pyridine577769-08-5C18H19N3O2S
- (5E)-5-[(2,5-Dimethyl-1-pyridin-2-ylpyrrol-3-yl)methylidene]-3-propan-2-yl-1,3-thiazolidine-2,4-dione444785-12-0C18H19N3O2S
- 4-[(3,5-Dimethylphenyl)amino]-6,7-dimethoxy-1,2-dihydroquinazoline-2-thione902579-47-9C18H19N3O2S
- (4-Ethoxyphenyl)(2-((pyridin-3-ylmethyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone851807-44-8C18H19N3O2S
- N-(4-Butylphenyl)-2-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide896338-20-8C18H19N3O2S
- (4-(4,5-Dimethylbenzo[d]thiazol-2-yl)piperazin-1-yl)(furan-2-yl)methanone898351-31-0C18H19N3O2S
- 1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-4-carboxylic acid904817-36-3C18H19N3O2S
- 4-(tert-Butyl)-N-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)benzamide942003-62-5C18H19N3O2S
- 4-({[(4-Isopropylbenzoyl)amino]carbothioyl}amino)benzamide925196-59-4C18H19N3O2S
- 3-{[(Acetylamino)carbothioyl]amino}-N-ethyl-N-phenylbenzamide940463-12-7C18H19N3O2S
- [(1,5-Dimethylpyrazol-4-yl)sulfonyl](diphenylmethyl)amine898075-12-2C18H19N3O2S
- 5-[1-(2,3-Dihydro-1H-inden-5-yloxy)ethyl]-4-(furan-2-ylmethyl)-4H-1,2,4-triazole-3-thiol725227-07-6C18H19N3O2S
- 1-(2-(Methylthio)phenyl)-3-(5-oxo-1-phenylpyrrolidin-3-yl)urea894007-31-9C18H19N3O2S
- 2-(3-Cyano-4,6-dimethyl-2-oxopyridin-1(2H)-yl)-N-(4-(methylthio)benzyl)acetamide1032005-00-7C18H19N3O2S
- Ethyl {[2-(2,4-dimethylphenyl)pyrazolo[1,5-a]pyrazin-4-yl]thio}acetate1243062-99-8C18H19N3O2S
- 2-(1H-Benzimidazol-2-yl)-3-(3,4-dimethoxyphenyl)propanethioamide1261009-91-9C18H19N3O2S
- 1-(Benzo[d]oxazol-2-yl)-N-(2-(thiophen-2-yl)ethyl)pyrrolidine-2-carboxamide1796887-05-2C18H19N3O2S
- N-Cyclopropyl-N-[(1-methyl-1H-pyrrol-2-yl)methyl]quinoline-8-sulfonamide1797570-71-8C18H19N3O2S
- N-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)thiophene-3-carboxamide1796969-40-8C18H19N3O2S
- N-((1-(Thiazol-2-yl)piperidin-3-yl)methyl)benzofuran-2-carboxamide1790197-64-6C18H19N3O2S
- 2-Phenoxy-N-{2-[3-(thiophen-3-yl)-1H-pyrazol-1-yl]ethyl}propanamide2034366-20-4C18H19N3O2S
- N-(Furan-2-ylmethyl)-N-((1-methyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)methyl)thiophene-2-carboxamide1798487-94-1C18H19N3O2S
- N-(3-Hydroxy-3-(1-methyl-1H-pyrrol-2-yl)propyl)-2-phenylthiazole-4-carboxamide1795090-29-7C18H19N3O2S
- 3-(3,5-Dimethylisoxazol-4-yl)-N-((2-(thiophen-2-yl)pyridin-3-yl)methyl)propanamide2034577-08-5C18H19N3O2S
- 2-((3-Cyano-4,6-dimethylpyridin-2-yl)thio)-N-(4-ethoxyphenyl)acetamide332161-08-7C18H19N3O2S
- 1-[(2-Phenylmethoxybenzoyl)amino]-3-prop-2-enylthiourea333436-15-0C18H19N3O2S
- N-(3-Methoxypropyl)-1-phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxamide956607-80-0C18H19N3O2S
- 4-[(3,4-Dimethylphenyl)amino]-6,7-dimethoxy-1,2-dihydroquinazoline-2-thione901721-27-5C18H19N3O2S
- 4-Imidazolidinone, 5-[2-(3-ethyl-2(3H)-benzoxazolylidene)ethylidene]-1-methyl-3-(2-propen-1-yl)-2-thioxo-41504-42-1C18H19N3O2S
- N-(2-Benzylphenyl)-1-ethylpyrazole-4-sulfonamide905212-06-8C18H19N3O2S
- 5-[(2,5-Dimethylphenyl)methylsulfanyl]-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4-dione899988-27-3C18H19N3O2S
- 3-[2-(3,4-Dimethoxyphenyl)ethyl]-4-imino-3,4-dihydroquinazoline-2-thiol896670-50-1C18H19N3O2S
- 2-Benzamido-N-cyclopropyl-4,5,6,7-tetrahydrobenzo[d]thiazole-4-carboxamide942004-36-6C18H19N3O2S
- 3-Methyl-5-oxo-N-(4-phenylbutan-2-yl)-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide945195-70-0C18H19N3O2S
- 4-Butoxy-N-(5-methyl-2,1,3-benzothiadiazol-4-yl)benzamide874585-47-4C18H19N3O2S
- 5-(4-Cyclopentyloxyphenyl)-4-(2-furylmethyl)-1,2,4-triazole-3-thiol725227-15-6C18H19N3O2S
- 2-{1-[(4-Methylphenyl)sulfonyl]pyrrolidin-2-yl}-1H-benzimidazole921141-82-4C18H19N3O2S
- 5-((Naphthalen-1-yloxy)methyl)-4-((tetrahydrofuran-2-yl)methyl)-4H-1,2,4-triazole-3-thiol917746-44-2C18H19N3O2S
- N-Benzhydryl-1,3-dimethyl-1H-pyrazole-4-sulfonamide898075-28-0C18H19N3O2S
- N-{4-[(Cyclopropylcarbamoyl)methyl]phenyl}-2-(methylsulfanyl)pyridine-3-carboxamide1060263-21-9C18H19N3O2S
- 1-(1-Cyclopropanecarbonyl-1,2,3,4-tetrahydroquinolin-6-yl)-3-(thiophen-2-yl)urea1203372-29-5C18H19N3O2S
- 2-[(2-Hydroxy-4,5-dihydro-3H-1-benzazepin-3-yl)sulfanyl]-N-(pyridin-4-ylmethyl)acetamide1010932-72-5C18H19N3O2S
- (2E)-2-(Acetylimino)-N-(bicyclo[2.2.1]hept-5-en-2-ylmethyl)-2,3-dihydro-1,3-benzothiazole-6-carboxamide1212301-64-8C18H19N3O2S
- (2-(1-Ethyl-1H-indol-2-yl)thiazol-4-yl)(morpholino)methanone1171524-33-6C18H19N3O2S
- N-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-4-(4-methoxyphenyl)-1,2,3-thiadiazole-5-carboxamide1212154-02-3C18H19N3O2S
- 3-(3-Acetyl-1H-indol-1-yl)-N-[(2E)-4,5-dimethyl-1,3-thiazol-2(3H)-ylidene]propanamide1219571-59-1C18H19N3O2S
- N-(2-Methoxyphenethyl)-1-methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxamide1219902-67-6C18H19N3O2S
- N-(3-(Methylthio)phenyl)-2-(2-oxo-3-phenylimidazolidin-1-yl)acetamide1286711-71-4C18H19N3O2S
- 2-[(Furan-2-ylmethyl)amino]-4-methyl-N-(2-phenylethyl)-1,3-thiazole-5-carboxamide1232804-36-2C18H19N3O2S
- 2-(1-((2,5-Dimethylphenyl)sulfonyl)azetidin-3-yl)-1H-benzo[d]imidazole1251621-90-5C18H19N3O2S
- N-[(2Z)-4-tert-Butyl-1,3-thiazol-2(3H)-ylidene]-2-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1282101-75-0C18H19N3O2S
- 3-(4-Methoxy-1H-indol-1-yl)-N-[(2E)-3,4,5,6-tetrahydro-2H-cyclopenta[d][1,3]thiazol-2-ylidene]propanamide1282111-69-6C18H19N3O2S
- 5-Isopropyl-N-(7-methoxy-3-quinolyl)-2-methyl-1,3-thiazole-4-carboxamide1374528-11-6C18H19N3O2S
- 2-(2-Oxoindolin-3-yl)-N-(5,6,7,8-tetrahydro-4H-cyclohepta[d]thiazol-2-yl)acetamide1435978-88-3C18H19N3O2S
- N-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide1396791-61-9C18H19N3O2S
- N-(2-(1-Methyl-4-(thiophen-2-yl)-1H-imidazol-2-yl)ethyl)-2-phenoxyacetamide1421583-62-1C18H19N3O2S
- 2-Methoxy-N-(2-(1-methyl-4-(thiophen-2-yl)-1H-imidazol-2-yl)ethyl)benzamide1396814-73-5C18H19N3O2S
- N-((5-(Furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)-3-(phenylthio)propanamide1421512-66-4C18H19N3O2S
- 5-Amino-4-(4-phenyl-1,3-thiazol-2-yl)-1-(tetrahydrofuran-2-ylmethyl)-1,2-dihydro-3H-pyrrol-3-one929841-17-8C18H19N3O2S
- 3,5-Bis(4-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carbothioamide153332-16-2C18H19N3O2S
- 6,7-Dimethoxy-4-[(2-phenylethyl)amino]-1,2-dihydroquinazoline-2-thione901868-56-2C18H19N3O2S
- 3-(Pentyloxy)-N-{thieno[2,3-D]pyrimidin-4-YL}benzamide1004053-46-6C18H19N3O2S
- 1H-Indole, 3-(phenylsulfonyl)-7-(1-piperazinyl)-478083-26-0C18H19N3O2S
- N-(3,7-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)-4-phenylbutanamide946250-41-5C18H19N3O2S
- 2-Benzyl-1-(pyrrolidin-1-ylsulfonyl)-1H-benzo[d]imidazole941904-81-0C18H19N3O2S
- 1 suppliers1-(1-(3-Methylthiophene-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one924061-30-3C18H19N3O2S
- 4-(2-Ethoxyphenyl)-5-((p-tolyloxy)methyl)-4H-1,2,4-triazole-3-thiol917746-95-3C18H19N3O2S
- N-(6-Methoxybenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)butyramide941967-96-0C18H19N3O2S
- 1,3,6-Trimethyl-5-((2-methylbenzyl)thio)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione900004-27-5C18H19N3O2S
- 1,3,6-Trimethyl-5-((3-methylbenzyl)thio)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione899940-23-9C18H19N3O2S
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 Benzenesulfonamide, 4-methyl-N-(((phenylmethyl)amino)(2-propynylamino)methylene)-, Benzenesulfonamide, 4-methyl-N-(5-methyl-1-(phenylmethyl)-1H-imidazol-2-yl)-, 1-{[2-(Thiophen-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-2-carboxylic acid. 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.