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 1 to 100 of 356 compounds
3-Amino-N-((4-methoxyphenyl)methyl)-4,6-dimethylthieno(5,4-b)pyridine-2-carboxamide
CAS 409351-28-6C18H19N3O2S
![N-[(4-Morpholin-4-ylphenyl)carbamothioyl]benzamide chemical structure, C18H19N3O2S, CAS 301157-20-0](/s/ZSOPSVVEKQFKQA-UHFFFAOYSA-N.svg)
N-[(4-Morpholin-4-ylphenyl)carbamothioyl]benzamide
CAS 301157-20-0C18H19N3O2S
![N-Benzyl-2-[(6-ethoxy-1H-benzimidazol-2-yl)sulfanyl]acetamide chemical structure, C18H19N3O2S, CAS 442658-98-2](/s/ZQNPIMUZKYDZLA-UHFFFAOYSA-N.svg)
N-Benzyl-2-[(6-ethoxy-1H-benzimidazol-2-yl)sulfanyl]acetamide
CAS 442658-98-2C18H19N3O2S
![2-(3-Piperidin-1-ylsulfonylphenyl)imidazo[1,2-a]pyridine chemical structure, C18H19N3O2S, CAS 848673-53-0](/s/WQJWKWCGRXZKSD-UHFFFAOYSA-N.svg)
2-(3-Piperidin-1-ylsulfonylphenyl)imidazo[1,2-a]pyridine
CAS 848673-53-0C18H19N3O2S
![3-(4-Benzyl-piperazin-1-yl)-benzo[d]isothiazole 1,1-dioxide chemical structure, C18H19N3O2S, CAS 333352-36-6](/s/YHFJYMWLRGMVOH-UHFFFAOYSA-N.svg)
3-(4-Benzyl-piperazin-1-yl)-benzo[d]isothiazole 1,1-dioxide
CAS 333352-36-6C18H19N3O2S
![N-(4-Methoxybenzyl)-2-[(5-methyl-1H-1,3-benzimidazol-2-yl)sulfanyl]acetamide chemical structure, C18H19N3O2S, CAS 330950-80-6](/s/BOJBISMNOKGABG-UHFFFAOYSA-N.svg)
N-(4-Methoxybenzyl)-2-[(5-methyl-1H-1,3-benzimidazol-2-yl)sulfanyl]acetamide
CAS 330950-80-6C18H19N3O2S
![N-[4-(Dimethylamino)phenyl]-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide chemical structure, C18H19N3O2S, CAS 301228-98-8](/s/JSYOYMWSMMVNAZ-UHFFFAOYSA-N.svg)
N-[4-(Dimethylamino)phenyl]-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide
CAS 301228-98-8C18H19N3O2S
1-(Phenylsulfonyl)-4-(1-piperazinyl)-1H-indole
CAS 412049-71-9C18H19N3O2S
![[2-(3,4-Dimethoxy-phenyl)-ethyl]-(4-pyridin-3-yl-thiazol-2-yl)-amine chemical structure, C18H19N3O2S, CAS 315703-29-8](/s/QIVUIUGLQSYZDH-UHFFFAOYSA-N.svg)
[2-(3,4-Dimethoxy-phenyl)-ethyl]-(4-pyridin-3-yl-thiazol-2-yl)-amine
CAS 315703-29-8C18H19N3O2S
4-Imino-6,7-dimethoxy-3-phenethyl-3,4-dihydro-2(1H)-quinazolinethione
CAS 477848-75-2C18H19N3O2S
![4-(((1H-Benzo[d]imidazol-2-yl)thio)methyl)-N-(3-hydroxypropyl)benzamide chemical structure, C18H19N3O2S, CAS 308298-96-6](/s/TUGJKQQEOFJOMY-UHFFFAOYSA-N.svg)
4-(((1H-Benzo[d]imidazol-2-yl)thio)methyl)-N-(3-hydroxypropyl)benzamide
CAS 308298-96-6C18H19N3O2S
![2-([1]Benzofuro[3,2-d]pyrimidin-4-ylsulfanyl)-N-cyclohexylacetamide chemical structure, C18H19N3O2S, CAS 845664-53-1](/s/HHZHRFGRMBIIPL-UHFFFAOYSA-N.svg)
2-([1]Benzofuro[3,2-d]pyrimidin-4-ylsulfanyl)-N-cyclohexylacetamide
CAS 845664-53-1C18H19N3O2S
![2-(4-Hydroxy-3,5-Dimethylphenyl)-7-Methyl-5,6,7,8-Tetrahydropyrido[4',3':4,5]thieno[2,3-D]pyrimidin-4(3H)-One chemical structure, C18H19N3O2S, CAS 2118944-88-8](/s/PXJZRFLBUBYEPV-UHFFFAOYSA-N.svg)
2-(4-Hydroxy-3,5-Dimethylphenyl)-7-Methyl-5,6,7,8-Tetrahydropyrido[4',3':4,5]thieno[2,3-D]pyrimidin-4(3H)-One
CAS 2118944-88-8C18H19N3O2S
![N-(3-{[(Phenylacetyl)carbamothioyl]amino}phenyl)propanamide chemical structure, C18H19N3O2S, CAS 356077-43-5](/s/BUHKIBZMBBHVDR-UHFFFAOYSA-N.svg)
N-(3-{[(Phenylacetyl)carbamothioyl]amino}phenyl)propanamide
CAS 356077-43-5C18H19N3O2S
![(2-Ethoxyphenyl)-[2-(pyridin-3-ylmethylsulfanyl)-4,5-dihydroimidazol-1-yl]methanone chemical structure, C18H19N3O2S, CAS 851807-43-7](/s/MBGRQJCZDIVYBX-UHFFFAOYSA-N.svg)
(2-Ethoxyphenyl)-[2-(pyridin-3-ylmethylsulfanyl)-4,5-dihydroimidazol-1-yl]methanone
CAS 851807-43-7C18H19N3O2S
![3-Amino-N-(4-ethoxyphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide chemical structure, C18H19N3O2S, CAS 444286-94-6](/s/YMEOUKHACVMFLV-UHFFFAOYSA-N.svg)
3-Amino-N-(4-ethoxyphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide
CAS 444286-94-6C18H19N3O2S
![N-{3-[(Butanamidomethanethioyl)amino]phenyl}benzamide chemical structure, C18H19N3O2S, CAS 428857-90-3](/s/TWZSMTCJFJNSAC-UHFFFAOYSA-N.svg)
N-{3-[(Butanamidomethanethioyl)amino]phenyl}benzamide
CAS 428857-90-3C18H19N3O2S
![1-[4-(4-Ethylbenzenesulfonyl)phenyl]-3-methyl-1H-pyrazol-5-amine chemical structure, C18H19N3O2S, CAS 882231-97-2](/s/HDBBQYILLQZSFM-UHFFFAOYSA-N.svg)
1-[4-(4-Ethylbenzenesulfonyl)phenyl]-3-methyl-1H-pyrazol-5-amine
CAS 882231-97-2C18H19N3O2S
(5Z)-2-(Azepan-1-yl)-5-(1-methyl-2-oxoindol-3-ylidene)-1,3-thiazol-4-one
CAS 1164464-64-5C18H19N3O2S
![9-Methyl-2-[(2-methylpiperidin-1-yl)carbonyl]-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one chemical structure, C18H19N3O2S, CAS 690251-92-4](/s/BSDXRIZJTUWBFM-UHFFFAOYSA-N.svg)
9-Methyl-2-[(2-methylpiperidin-1-yl)carbonyl]-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one
CAS 690251-92-4C18H19N3O2S
![2-Allyl-3,8,8-trimethyl-8,9-dihydro-2H,6H-7-oxa-11-thia-2,4,10-triaza-benzo[b]fluoren-1-one chemical structure, C18H19N3O2S, CAS 489415-86-3](/s/UJMWRSJYYDFUTN-UHFFFAOYSA-N.svg)
2-Allyl-3,8,8-trimethyl-8,9-dihydro-2H,6H-7-oxa-11-thia-2,4,10-triaza-benzo[b]fluoren-1-one
CAS 489415-86-3C18H19N3O2S
![3-Methyl-N-[[3-(propanoylamino)phenyl]carbamothioyl]benzamide chemical structure, C18H19N3O2S, CAS 428828-97-1](/s/QDDASKIXIXWALU-UHFFFAOYSA-N.svg)
3-Methyl-N-[[3-(propanoylamino)phenyl]carbamothioyl]benzamide
CAS 428828-97-1C18H19N3O2S
![2-(6-Ethyl-2-methyl-thieno[2,3-d]pyrimidin-4-ylamino)-3-phenyl-propionic acid chemical structure, C18H19N3O2S, CAS 1008946-37-9](/s/VXRLJDNQIOOMIC-UHFFFAOYSA-N.svg)
2-(6-Ethyl-2-methyl-thieno[2,3-d]pyrimidin-4-ylamino)-3-phenyl-propionic acid
CAS 1008946-37-9C18H19N3O2S
![3-Methyl-N-(oxolan-2-ylmethyl)-6-phenylimidazo[2,1-b][1,3]thiazole-2-carboxamide chemical structure, C18H19N3O2S, CAS 852133-29-0](/s/ILGFXCZXYYSBMK-UHFFFAOYSA-N.svg)
3-Methyl-N-(oxolan-2-ylmethyl)-6-phenylimidazo[2,1-b][1,3]thiazole-2-carboxamide
CAS 852133-29-0C18H19N3O2S
- N-(4-{[(Phenylacetyl)carbamothioyl]amino}phenyl)propanamide429649-84-3C18H19N3O2S
- N-(2-tert-Butyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-1-benzofuran-2-carboxamide893929-00-5C18H19N3O2S
- [4-(4,6-Dimethyl-1,3-benzothiazol-2-yl)piperazin-1-yl]-(furan-2-yl)methanone897483-62-4C18H19N3O2S
- 9-(1H-Benzimidazol-2-ylsulfinyl)-4-methoxy-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine136177-53-2C18H19N3O2S
- 3-{[2-(2-Methoxyphenoxy)ethyl]sulfanyl}-5-methyl-4-phenyl-4H-1,2,4-triazole701225-29-8C18H19N3O2S
- N-[(3-Methoxyphenyl)methyl]-2-[(5-methyl-1H-1,3-benzodiazol-2-yl)sulfanyl]acetamide851689-66-2C18H19N3O2S
- 3-[(4-Methylpyrimidin-2-yl)sulfanyl]-1-[4-(propan-2-yl)phenyl]pyrrolidine-2,5-dione488743-71-1C18H19N3O2S
- (4-Benzoylpiperazin-1-yl)(2-(methylthio)pyridin-3-yl)methanone852844-91-8C18H19N3O2S
- N-(3,5-Dimethylphenyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide893384-77-5C18H19N3O2S
- 2-Methyl-N-[[3-(propanoylamino)phenyl]carbamothioyl]benzamide333740-74-2C18H19N3O2S
- (E)-3-(Furan-2-yl)-N-[(2-pyrrolidin-1-ylphenyl)carbamothioyl]prop-2-enamide586391-78-8C18H19N3O2S
- 6-Methyl-2-[3-(pyrrolidin-1-ylsulfonyl)phenyl]imidazo[1,2-a]pyridine840511-22-0C18H19N3O2S
- Ethyl 4-(benzylamino)-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate441718-78-1C18H19N3O2S
- 1H-Quinazoline-2-thione, 6,7-dimethoxy-4-(4-methylbenzylamino)-901868-42-6C18H19N3O2S
- N-(2,3-Dimethylphenyl)-2-((1-(furan-2-ylmethyl)-1H-imidazol-2-yl)thio)acetamide1135220-06-2C18H19N3O2S
- 5-(3-Methoxyphenyl)-N-[(4-methoxyphenyl)methyl]-3,6-dihydro-1,3,4-thiadiazin-2-imine851610-20-3C18H19N3O2S
- (E)-3-(Furan-2-yl)-N-[(4-pyrrolidin-1-ylphenyl)carbamothioyl]prop-2-enamide1164549-51-2C18H19N3O2S
- 7-Methyl-2-[3-(pyrrolidin-1-ylsulfonyl)phenyl]imidazo[1,2-a]pyridine845667-45-0C18H19N3O2S
- N-(5-{[2-(1-Pyrrolidinylcarbonyl)phenyl]sulfanyl}-2-pyridinyl)acetamide343373-18-2C18H19N3O2S
- 1-(3,4-Dimethylphenyl)-3-[(4,6-dimethylpyrimidin-2-yl)sulfanyl]pyrrolidine-2,5-dione497245-27-9C18H19N3O2S
- N-[(Z)-3-Hydrazinyl-1-(4-methylsulfanylphenyl)-3-oxoprop-1-en-2-yl]-4-methylbenzamide381716-50-3C18H19N3O2S
- N-(2,4-Dimethylphenyl)-2-({1-[(furan-2-yl)methyl]-1H-imidazol-2-yl}sulfanyl)acetamide1135222-06-8C18H19N3O2S
- N-(1,3-Dimethyl-2-oxobenzimidazol-5-yl)-2-ethylsulfanylbenzamide879046-77-2C18H19N3O2S
- (4-(5,6-Dimethylbenzo[d]thiazol-2-yl)piperazin-1-yl)(furan-2-yl)methanone899748-86-8C18H19N3O2S
- (2E)-5-Ethyl-2-[(E)-furan-2-ylmethylidenehydrazinylidene]-3-[(2-methylphenyl)methyl]-1,3-thiazolidin-4-one489403-37-4C18H19N3O2S
- N-(2,5-Dimethylphenyl)-2-((1-(furan-2-ylmethyl)-1H-imidazol-2-yl)thio)acetamide1135220-33-5C18H19N3O2S
- N-Cyclopentyl-2-[(2-methyl-[1]benzofuro[3,2-d]pyrimidin-4-yl)sulfanyl]acetamide842960-27-4C18H19N3O2S
- 1-Piperidinecarbothioamide, 4-(2-benzoxazolyl)-N-(2-furanylmethyl)-605629-31-0C18H19N3O2S
- N-{[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}-N-(propan-2-yl)thiophene-2-carboxamide717833-57-3C18H19N3O2S
- 2-[1-[2-(4-Methylphenoxy)ethyl]benzimidazol-2-yl]sulfanylacetamide313984-73-5C18H19N3O2S
- 4-(2-((Ethylamino)carbothioyl)carbohydrazonoyl)phenyl 2-methylbenzoate477730-98-6C18H19N3O2S
- 2-[1-[2-(3-Methylphenoxy)ethyl]benzimidazol-2-yl]sulfanylacetamide330952-20-0C18H19N3O2S
- 3-Amino-N-(2-ethoxyphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide685851-97-2C18H19N3O2S
- 1-((4-Cyclohexylphenyl)sulfonyl)-1H-benzo[d][1,2,3]triazole946378-61-6C18H19N3O2S
- N-(2,1,3-Benzothiadiazol-4-yl)-2-(4-tert-butylphenoxy)acetamide425613-04-3C18H19N3O2S
- N-{4-[2-Oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-1,3-thiazol-2-yl}cyclopropanecarboxamide921802-26-8C18H19N3O2S
- 2-(1H-Benzimidazol-2-ylsulfanyl)-N-[2-(4-methoxyphenyl)ethyl]acetamide386763-80-0C18H19N3O2S
- 2-(1-(Phenylsulfonyl)piperidin-4-yl)-1H-benzo[d]imidazole898444-83-2C18H19N3O2S
- N-Benzyl-1,3-dimethyl-N-phenyl-1H-pyrazole-4-sulfonamide902659-25-0C18H19N3O2S
- 3-Amino-4-(methoxymethyl)-6-methyl-N-(3-methylphenyl)thieno[2,3-b]pyridine-2-carboxamide442672-80-2C18H19N3O2S
- (4-(6-Ethylbenzo[d]thiazol-2-yl)piperazin-1-yl)(furan-2-yl)methanone897467-86-6C18H19N3O2S
- 3-Methyl-1-phenyl-N-((tetrahydrofuran-2-yl)methyl)-1H-thieno[2,3-c]pyrazole-5-carboxamide459422-12-9C18H19N3O2S
- 2-(3-Cyano-4,5,6-trimethylpyridin-2-yl)sulfanyl-N-(3-methoxyphenyl)acetamide684237-81-8C18H19N3O2S
- 5-Ethyl-6-methyl-2-(((5-methyl-2-phenyloxazol-4-yl)methyl)thio)pyrimidin-4-ol1040634-76-1C18H19N3O2S
- Bcr-abl inhibitor 9b1430719-98-4C18H19N3O2S
- 2-[4-(Propan-2-yl)phenyl]-N-{5-[(thiophen-2-yl)methyl]-1,3,4-oxadiazol-2-yl}acetamide1040638-00-3C18H19N3O2S
- N-(4-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)thiazol-2-yl)cyclopropanecarboxamide923680-29-9C18H19N3O2S
- N-(5,6-Dihydro-4H-cyclopenta[d]thiazol-2-yl)-1-(2-methoxyethyl)-1H-indole-3-carboxamide1401574-83-1C18H19N3O2S
- 2-[3-(2-Methylphenyl)-4-oxo-1,3-thiazolidin-2-ylidene]-3-oxo-3-(piperidin-1-yl)propanenitrile735320-49-7C18H19N3O2S
- 4-Cyano-N-(2-morpholino-2-(thiophen-3-yl)ethyl)benzamide946272-48-6C18H19N3O2S
- N-(3,7-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)-2-phenylbutanamide946250-45-9C18H19N3O2S
- N-(5,6-Dihydro-4H-cyclopenta[d]thiazol-2-yl)-1-(2-methoxyethyl)-1H-indole-4-carboxamide1401576-89-3C18H19N3O2S
- N-(2,1,3-Benzothiadiazol-4-yl)-2-(5-methyl-2-propan-2-ylphenoxy)acetamide403670-95-1C18H19N3O2S
- 2-(Phenylsulfonyl)-4-(1-piperazinyl)-1H-indole676448-24-1C18H19N3O2S
- N-(2-Cyanoethyl)-N-(4-ethoxyphenyl)-6-(methylsulfanyl)pyridine-3-carboxamide1355792-31-2C18H19N3O2S
- N-(2-Cyanoethyl)-N-(4-ethoxyphenyl)-2-(methylsulfanyl)pyridine-4-carboxamide1355803-47-2C18H19N3O2S
- N-[2-(2,3-Dihydro-1,4-benzodioxin-6-yl)ethyl]-5,6-dimethylthieno[2,3-d]pyrimidin-4-amine380546-78-1C18H19N3O2S
- 5-(Biphenyl-2-yloxymethyl)-4-(2-methoxy-ethyl)-4H-[1,2,4]triazole-3-thiol722464-29-1C18H19N3O2S
- 2-[5-(5-Phenylpentane-1-sulfinyl)-1,3,4-oxadiazol-2-yl]pyridine832077-75-5C18H19N3O2S
- 3-[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]-1-(2-ethylphenyl)pyrrolidine-2,5-dione373619-05-7C18H19N3O2S
- Nepaprazole156601-79-5C18H19N3O2S
- N-(2,3-Dimethylphenyl)-6-methyl-2-oxo-4-(thiophen-2-yl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide361182-46-9C18H19N3O2S
- 1,4-Benzenediamine, N,N-diethyl-N'-(2-nitrobenzo(b)thien-3-yl)-128554-92-7C18H19N3O2S
- 2-(4-Piperidin-1-ylsulfonylphenyl)imidazo[1,2-a]pyridine380586-16-3C18H19N3O2S
- 3-Benzylsulfanyl-5-(3,4-dimethoxyphenyl)-4-methyl-1,2,4-triazole690249-65-1C18H19N3O2S
- 4-(4-Ethoxynaphthalen-1-yl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide347319-08-8C18H19N3O2S
- 4-(2-Ethoxyphenyl)-2-oxo-6-(propylthio)-1,2,3,4-tetrahydropyridine-3,5-dicarbonitrile361166-80-5C18H19N3O2S
- 2-(2-(Tetrahydrofuran-2-yl)-1H-benzo[d]imidazol-1-yl)-N-(thiophen-2-ylmethyl)acetamide955331-24-5C18H19N3O2S
- Ethyl {[2-(2,5-dimethylphenyl)pyrazolo[1,5-a]pyrazin-4-yl]thio}acetate1206992-73-5C18H19N3O2S
- 2-(Azepane-1-carbonyl)-9-methyl-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one690252-02-9C18H19N3O2S
- 5-(3,5-Dimethoxyphenyl)-4-(2-phenylethyl)-4H-1,2,4-triazole-3-thiol525582-05-2C18H19N3O2S
- N-(3,4-Dimethylphenyl)-6-methyl-2-oxo-4-(thiophen-2-yl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide406691-15-4C18H19N3O2S
- (1Z)-4,4,6,8-Tetramethyl-1-(5-oxo-2-thioxoimidazolidin-4-ylidene)-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one524047-17-4C18H19N3O2S
- N-[2-(2-Methoxyphenyl)ethyl]-2-[2-(1H-pyrrol-1-yl)-1,3-thiazol-4-yl]acetamide1092345-23-7C18H19N3O2S
- N-(4,5-Dimethylthiazol-2-yl)-1-ethyl-2-methyl-4-oxo-1,4-dihydroquinoline-6-carboxamide1010873-42-3C18H19N3O2S
- 8,8-Dimethyl-3-(2-methylallyl)-7,8-dihydro-3H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(10H)-one380580-42-7C18H19N3O2S
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 3-Amino-N-((4-methoxyphenyl)methyl)-4,6-dimethylthieno(5,4-b)pyridine-2-carboxamide, N-[(4-Morpholin-4-ylphenyl)carbamothioyl]benzamide, N-Benzyl-2-[(6-ethoxy-1H-benzimidazol-2-yl)sulfanyl]acetamide. 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.