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 201 to 300 of 356 compounds
![5-(Benzylthio)-6-ethyl-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C18H19N3O2S, CAS 899940-56-8](/s/HSZBTBQCNVOFMD-UHFFFAOYSA-N.svg)
5-(Benzylthio)-6-ethyl-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 899940-56-8C18H19N3O2S
1-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-cyclohexylurea
CAS 1206988-69-3C18H19N3O2S
![N-Cyclopropyl-3-(6-(4-methoxyphenyl)imidazo[2,1-b]thiazol-3-yl)propanamide chemical structure, C18H19N3O2S, CAS 1170928-07-0](/s/USNIDDCGBGBWPG-UHFFFAOYSA-N.svg)
N-Cyclopropyl-3-(6-(4-methoxyphenyl)imidazo[2,1-b]thiazol-3-yl)propanamide
CAS 1170928-07-0C18H19N3O2S
![N-{2-[(Dimethylamino)methyl]phenyl}-3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxamide chemical structure, C18H19N3O2S, CAS 1100127-74-9](/s/FSZIJTKGDLGOPV-UHFFFAOYSA-N.svg)
N-{2-[(Dimethylamino)methyl]phenyl}-3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxamide
CAS 1100127-74-9C18H19N3O2S
![N-{4-[2-(2-Methyl-2,3-dihydro-1H-indol-1-yl)-2-oxoethyl]-1,3-thiazol-2-yl}cyclopropanecarboxamide chemical structure, C18H19N3O2S, CAS 921845-02-5](/s/QNFXXKKFQJPLKT-UHFFFAOYSA-N.svg)
N-{4-[2-(2-Methyl-2,3-dihydro-1H-indol-1-yl)-2-oxoethyl]-1,3-thiazol-2-yl}cyclopropanecarboxamide
CAS 921845-02-5C18H19N3O2S
![1-[2-(1-Methyl-1H-indol-2-yl)-1,3-thiazole-4-carbonyl]piperidin-4-ol chemical structure, C18H19N3O2S, CAS 1173058-14-4](/s/PSDIVCJBIIVPHC-UHFFFAOYSA-N.svg)
1-[2-(1-Methyl-1H-indol-2-yl)-1,3-thiazole-4-carbonyl]piperidin-4-ol
CAS 1173058-14-4C18H19N3O2S
![3-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)-7-methyl-2H-thiazolo[3,2-a]pyrimidin-5(3H)-one chemical structure, C18H19N3O2S, CAS 946264-03-5](/s/IMQREXOYTAMXPE-UHFFFAOYSA-N.svg)
3-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)-7-methyl-2H-thiazolo[3,2-a]pyrimidin-5(3H)-one
CAS 946264-03-5C18H19N3O2S
![3-Benzyl-5-methyl-4-oxo-N-(propan-2-yl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide chemical structure, C18H19N3O2S, CAS 1190261-34-7](/s/GGTZIBNKGITSQX-UHFFFAOYSA-N.svg)
3-Benzyl-5-methyl-4-oxo-N-(propan-2-yl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide
CAS 1190261-34-7C18H19N3O2S
2-(Methylthio)-N-(4-(2-oxopiperidin-1-yl)phenyl)nicotinamide
CAS 1209992-92-6C18H19N3O2S
![2-(Methylsulfanyl)-N-{[4-(2-oxopyrrolidin-1-yl)phenyl]methyl}pyridine-3-carboxamide chemical structure, C18H19N3O2S, CAS 1197648-23-9](/s/UZFNWPAJCHOATJ-UHFFFAOYSA-N.svg)
2-(Methylsulfanyl)-N-{[4-(2-oxopyrrolidin-1-yl)phenyl]methyl}pyridine-3-carboxamide
CAS 1197648-23-9C18H19N3O2S
2-((1-(Furan-2-ylmethyl)-5-(p-tolyl)-1H-imidazol-2-yl)thio)-N-methylacetamide
CAS 1206989-23-2C18H19N3O2S
![6-(Methylsulfanyl)-N-[4-(pyrrolidine-1-carbonyl)phenyl]pyridine-3-carboxamide chemical structure, C18H19N3O2S, CAS 1280863-76-4](/s/ITZNTEYKRWTHDS-UHFFFAOYSA-N.svg)
6-(Methylsulfanyl)-N-[4-(pyrrolidine-1-carbonyl)phenyl]pyridine-3-carboxamide
CAS 1280863-76-4C18H19N3O2S
N-(5-Cyclopropaneamido-2-methylphenyl)-6-(methylsulfanyl)pyridine-3-carboxamide
CAS 1280863-79-7C18H19N3O2S
![6-(Methylsulfanyl)-N-[3-(pyrrolidine-1-carbonyl)phenyl]pyridine-3-carboxamide chemical structure, C18H19N3O2S, CAS 1280829-48-2](/s/LPDCGUIGBBNNRU-UHFFFAOYSA-N.svg)
6-(Methylsulfanyl)-N-[3-(pyrrolidine-1-carbonyl)phenyl]pyridine-3-carboxamide
CAS 1280829-48-2C18H19N3O2S
![3-(N-Benzylacetamido)-N-[cyano(thiophen-3-yl)methyl]propanamide chemical structure, C18H19N3O2S, CAS 1333859-28-1](/s/OBOSDCUQPLICNT-UHFFFAOYSA-N.svg)
3-(N-Benzylacetamido)-N-[cyano(thiophen-3-yl)methyl]propanamide
CAS 1333859-28-1C18H19N3O2S
![N-(5,6-Dihydro-4H-cyclopenta[d]thiazol-2-yl)-3-(5-methoxy-1H-indol-1-yl)propanamide chemical structure, C18H19N3O2S, CAS 1324086-15-8](/s/HCRKYKQGVLVUMM-UHFFFAOYSA-N.svg)
N-(5,6-Dihydro-4H-cyclopenta[d]thiazol-2-yl)-3-(5-methoxy-1H-indol-1-yl)propanamide
CAS 1324086-15-8C18H19N3O2S
![N-[4-(3-Hydroxyphenyl)-1,3-thiazol-2-yl]-1-(prop-2-yn-1-yl)piperidine-4-carboxamide chemical structure, C18H19N3O2S, CAS 1355545-25-3](/s/YKOLEDVLFMPJLZ-UHFFFAOYSA-N.svg)
N-[4-(3-Hydroxyphenyl)-1,3-thiazol-2-yl]-1-(prop-2-yn-1-yl)piperidine-4-carboxamide
CAS 1355545-25-3C18H19N3O2S
N-(4-Methoxyphenethyl)-1-methyl-3-(2-thienyl)-1H-pyrazole-5-carboxamide
CAS 1374537-60-6C18H19N3O2S
N-(3-(2-Phenyl-1H-imidazol-1-yl)propyl)benzenesulfonamide
CAS 1421443-30-2C18H19N3O2S
2-(3-Methoxyphenyl)-N-(2-(3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)acetamide
CAS 1448056-93-6C18H19N3O2S
![1-[2-(Methylsulfanyl)pyridine-3-carbonyl]-N-phenylpyrrolidine-2-carboxamide chemical structure, C18H19N3O2S, CAS 1427886-25-6](/s/ANBLVLFIAVXWPZ-UHFFFAOYSA-N.svg)
1-[2-(Methylsulfanyl)pyridine-3-carbonyl]-N-phenylpyrrolidine-2-carboxamide
CAS 1427886-25-6C18H19N3O2S
N-Methyl-6-methylsulfanyl-N-(2-oxo-1-phenylpyrrolidin-3-yl)pyridine-3-carboxamide
CAS 1385284-57-0C18H19N3O2S
N-Methyl-2-methylsulfanyl-N-(2-oxo-1-phenylpyrrolidin-3-yl)pyridine-4-carboxamide
CAS 1385283-43-1C18H19N3O2S
![N-[Cyano(2-methoxyphenyl)methyl]-4-cyclopentyl-1,3-thiazole-5-carboxamide chemical structure, C18H19N3O2S, CAS 1797846-83-3](/s/KEKDWXOJRZVDDQ-UHFFFAOYSA-N.svg)
N-[Cyano(2-methoxyphenyl)methyl]-4-cyclopentyl-1,3-thiazole-5-carboxamide
CAS 1797846-83-3C18H19N3O2S
- N-((5-Cyclopropyl-1-methyl-1H-pyrazol-3-yl)methyl)-N-(furan-2-ylmethyl)thiophene-2-carboxamide1795358-34-7C18H19N3O2S
- N-[Cyano(2-methoxyphenyl)methyl]-2-(cyclopropylmethyl)-4-methyl-1,3-thiazole-5-carboxamide1795342-94-7C18H19N3O2S
- 2-Cyano-N-((1-phenylpyrrolidin-2-yl)methyl)benzenesulfonamide1706212-10-3C18H19N3O2S
- N-(1-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)benzo[b]thiophene-2-carboxamide1705995-63-6C18H19N3O2S
- 3-(3,5-Dimethylisoxazol-4-yl)-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)propanamide1704638-99-2C18H19N3O2S
- 2-(1H-Benzo[d]imidazol-1-yl)-1-(7-(furan-2-yl)-1,4-thiazepan-4-yl)ethanone1705870-74-1C18H19N3O2S
- (7-(Furan-2-yl)-1,4-thiazepan-4-yl)(2-methylimidazo[1,2-a]pyridin-3-yl)methanone1705988-97-1C18H19N3O2S
- 3-(3,5-Dimethylisoxazol-4-yl)-N-((5-(thiophen-2-yl)pyridin-3-yl)methyl)propanamide1903167-20-3C18H19N3O2S
- N-((2-Methyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)methyl)naphthalene-1-sulfonamide2034454-64-1C18H19N3O2S
- 3-Cyano-N-(2-(furan-3-yl)-2-thiomorpholinoethyl)benzamide2034571-78-1C18H19N3O2S
- 3-Cyano-N-(2-(furan-2-yl)-2-thiomorpholinoethyl)benzamide2034398-56-4C18H19N3O2S
- N-(2-(2-Methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-2-(m-tolyl)acetamide1904304-48-8C18H19N3O2S
- N-(1-((Tetrahydro-2H-pyran-2-yl)methyl)-1H-pyrazol-4-yl)benzo[b]thiophene-2-carboxamide2034374-32-6C18H19N3O2S
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-2-yl)ethyl)-2-ethoxybenzamide2034344-15-3C18H19N3O2S
- 2-(Benzylthio)-N-(2-(furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl)acetamide2034439-32-0C18H19N3O2S
- 1-Phenyl-N-[2-(4-phenyl-1H-pyrazol-1-yl)ethyl]methanesulfonamide2034326-70-8C18H19N3O2S
- N-(2-(4-(Furan-2-yl)-1H-pyrazol-1-yl)ethyl)-3-(phenylthio)propanamide2034327-17-6C18H19N3O2S
- N-(2-(1-Methyl-7-oxo-1H-pyrrolo[2,3-c]pyridin-6(7H)-yl)ethyl)-2-(methylthio)benzamide2034460-07-4C18H19N3O2S
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-2-yl)ethyl)-2-phenoxypropanamide2034273-11-3C18H19N3O2S
- N1-(2-(1-methyl-1H-indol-5-yl)ethyl)-N2-(thiophen-2-ylmethyl)oxalamide2034604-56-1C18H19N3O2S
- 1-(1-(m-Tolylsulfonyl)pyrrolidin-3-yl)-1H-benzo[d]imidazole2097891-16-0C18H19N3O2S
- 3-[(2-Benzyl-2-methylpyrrolidin-1-yl)sulfonyl]pyridine-2-carbonitrile1825662-44-9C18H19N3O2S
- 3-{[2-Methyl-4-(4-methylphenyl)pyrrolidin-1-yl]sulfonyl}pyridine-2-carbonitrile2093825-68-2C18H19N3O2S
- (E)-N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-3-(furan-2-yl)acrylamide2035008-45-6C18H19N3O2S
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-2-(3-methoxyphenyl)acetamide2034340-07-1C18H19N3O2S
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-2-phenoxypropanamide2034493-18-8C18H19N3O2S
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-2-(o-tolyloxy)acetamide2034595-55-4C18H19N3O2S
- (E)-N-(2-(3,5-Dimethyl-4-(thiophen-3-yl)-1H-pyrazol-1-yl)ethyl)-3-(furan-2-yl)acrylamide2034997-84-5C18H19N3O2S
- N-(2-(2-(1H-Pyrazol-1-yl)ethoxy)ethyl)-4-(thiophen-2-yl)benzamide2034563-77-2C18H19N3O2S
- N-{2-[2-(1H-imidazol-1-yl)ethoxy]ethyl}-4-(thiophen-2-yl)benzamide2034225-01-7C18H19N3O2S
- (E)-N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(thiophen-2-yl)ethyl)-3-(furan-2-yl)acrylamide2035036-26-9C18H19N3O2S
- (E)-N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(furan-2-yl)ethyl)-3-(thiophen-2-yl)acrylamide2035036-29-2C18H19N3O2S
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-2-(benzyloxy)acetamide2034341-05-2C18H19N3O2S
- (E)-N-(2-(3,5-Dimethyl-4-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)-3-(furan-2-yl)acrylamide2035004-78-3C18H19N3O2S
- (E)-N-(2-(4-(Furan-2-yl)-3,5-dimethyl-1H-pyrazol-1-yl)ethyl)-3-(thiophen-2-yl)acrylamide2035007-09-9C18H19N3O2S
- N-(2-(4-(Furan-3-yl)-1H-pyrazol-1-yl)ethyl)-3-(phenylthio)propanamide2034376-18-4C18H19N3O2S
- 2-(Benzylsulfanyl)-N-{2-[4-(furan-3-yl)-1H-pyrazol-1-yl]ethyl}acetamide2034291-97-7C18H19N3O2S
- 3-(Methylthio)-N-((5-(2-oxopyrrolidin-1-yl)pyridin-3-yl)methyl)benzamide2034338-76-4C18H19N3O2S
- 2-(Methylthio)-N-((2-(2-oxopyrrolidin-1-yl)pyridin-4-yl)methyl)benzamide2034567-66-1C18H19N3O2S
- 3-(Methylthio)-N-((2-(2-oxopyrrolidin-1-yl)pyridin-4-yl)methyl)benzamide2034265-68-2C18H19N3O2S
- N-(2-(Furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl)-3-(phenylthio)propanamide2097867-56-4C18H19N3O2S
- 4-[3-(Phenylsulfanyl)propanoyl]-1-(pyridin-3-yl)piperazin-2-one2097888-62-3C18H19N3O2S
- N-{[1-Methyl-3-(thiophen-2-yl)-1H-pyrazol-5-yl]methyl}-2-(2-methylphenoxy)acetamide2309748-65-8C18H19N3O2S
- 7-Methyl-6-[(morpholin-4-yl)methyl]-3-phenyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one75791-90-1C18H19N3O2S
- N-{[4-(Butanoylamino)phenyl]carbamothioyl}benzamide425651-97-4C18H19N3O2S
- 4-Methyl-N-{4-[(propanoylcarbamothioyl)amino]phenyl}benzamide531528-18-4C18H19N3O2S
- (4-Cyanophenyl)methyl 3-[4,6-dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]propanoate848299-47-8C18H19N3O2S
- 1H-Indazole, 3-(phenylsulfonyl)-1-[(2R)-2-pyrrolidinylmethyl]-651335-80-7C18H19N3O2S
- 1H-Indole, 1-(4-piperidinyl)-3-(2-pyridinylsulfonyl)-651335-74-9C18H19N3O2S
- 1H-Indazole, 3-(phenylsulfonyl)-1-(4-piperidinyl)-651336-09-3C18H19N3O2S
- 1H-Indole, 3-(2-pyridinylsulfonyl)-1-(2-pyrrolidinylmethyl)-651335-38-5C18H19N3O2S
- N-Methyl-4-[[[(3-methylbenzoyl)amino]thioxomethyl]amino]benzeneacetamide1158411-47-2C18H19N3O2S
- N-[2-(2-Methoxyphenyl)ethyl]-4-methyl-2-(1H-pyrrol-1-yl)-1,3-thiazole-5-carboxamide1010920-68-9C18H19N3O2S
- (3-Hydroxypiperidin-1-yl)(2-(1-methyl-1H-indol-2-yl)thiazol-4-yl)methanone1171965-21-1C18H19N3O2S
- (E)-N-(2-Cyanoethyl)-2-(4-methylphenyl)-N-(pyridin-3-ylmethyl)ethenesulfonamide1241689-39-3C18H19N3O2S
- N-Methyl-3-(4-methyl-1,3-thiazol-5-yl)-N-[(5-phenylisoxazol-3-yl)methyl]propanamide1268990-41-5C18H19N3O2S
- N-(3-Methoxypropyl)-4-phenyl-2-(1H-pyrrol-1-yl)-1,3-thiazole-5-carboxamide1282114-48-0C18H19N3O2S
- 2-[1-(Cyclopropylmethyl)-7-oxo-1H,6H,7H-pyrrolo[2,3-c]pyridin-6-yl]-N-[(thiophen-2-yl)methyl]acetamide1340814-23-4C18H19N3O2S
- 2-(3-Methoxyphenyl)-N-((1-methyl-5-(thiophen-2-yl)-1H-pyrazol-3-yl)methyl)acetamide1421530-31-5C18H19N3O2S
- N-((1-Methyl-5-(thiophen-2-yl)-1H-pyrazol-3-yl)methyl)-2-phenoxypropanamide1421526-39-7C18H19N3O2S
- N-((1-Methyl-5-(thiophen-2-yl)-1H-pyrazol-3-yl)methyl)-2-(o-tolyloxy)acetamide1421523-58-1C18H19N3O2S
- N-Cyclopropyl-N-(imidazo[1,2-a]pyridin-3-ylmethyl)-4-methylbenzenesulfonamide1448037-36-2C18H19N3O2S
- N-Cyclopropyl-N-(imidazo[1,2-a]pyridin-3-ylmethyl)-1-phenylmethanesulfonamide1448034-22-7C18H19N3O2S
- N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(2,4-dimethylphenoxy)acetamide1706450-96-5C18H19N3O2S
- (Z)-2-Cyano-N-[4-[2-(dimethylamino)ethylsulfanyl]phenyl]-3-(furan-2-yl)prop-2-enamide1428122-47-7C18H19N3O2S
- 3-Allyl-5-[(3-ethyl-2-benzoxazolylidene)ethylidene]-1-methyl-2-thiohydantoinC18H19N3O2S
- 1-(1-(4-Methylthiophene-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2093919-08-3C18H19N3O2S
- 4-[2-(Benzylsulfanyl)acetyl]-1-(pyridin-3-yl)piperazin-2-one2097911-49-2C18H19N3O2S
- 2-Ethoxy-N-[2-(1H-pyrazol-1-yl)-2-(thiophen-3-yl)ethyl]benzamide2097914-50-4C18H19N3O2S
- 4-[2-(Ethylsulfanyl)benzoyl]-1-(pyridin-3-yl)piperazin-2-one2097903-26-7C18H19N3O2S
- 2-(3-Methoxyphenyl)-N-{[1-methyl-3-(thiophen-2-yl)-1H-pyrazol-5-yl]methyl}acetamide2309748-15-8C18H19N3O2S
- 4-Methyl-1-{[1-(naphthalene-1-sulfonyl)azetidin-3-yl]methyl}-1H-pyrazole2549000-74-8C18H19N3O2S
- 2-Methoxy-N-{2-[5-(1-methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}benzamide2640881-50-9C18H19N3O2S
- N-{2-[4-(1-Methyl-1H-pyrazol-5-yl)phenyl]ethyl}benzenesulfonamide2640822-58-6C18H19N3O2S
- 5-[2-(3-Ethyl-1,3-benzoxazol-2-ylidene)ethylidene]-1-methyl-3-prop-2-enyl-2-sulfanylideneimidazolidin-4-oneC18H19N3O2S
- N-(4-{[(Butyrylamino)carbothioyl]amino}phenyl)benzamide489457-26-3C18H19N3O2S
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 5-(Benzylthio)-6-ethyl-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione, 1-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-cyclohexylurea, N-Cyclopropyl-3-(6-(4-methoxyphenyl)imidazo[2,1-b]thiazol-3-yl)propanamide. 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.