Molecular formula
C18H16N2O3S
247 compounds have this formula on CompoundList.
- Molar mass
- 340.40g/mol
- Monoisotopic mass
- 340.0882Da
- Atoms
- 40
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H16N2O3S describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 2 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 × 1863.51%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 164.74%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 28.23%14.007 × 2 = 28.014 g/mol
- O Oxygen × 314.10%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.42%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H16N2O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 247 compounds
![2-{[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-1-(4-methylphenyl)-1-ethanone chemical structure, C18H16N2O3S, CAS 459845-46-6](/s/ZJXROSJPRFWNRE-UHFFFAOYSA-N.svg)
2-{[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-1-(4-methylphenyl)-1-ethanone
CAS 459845-46-6C18H16N2O3S
![6,9-Dimethoxy-2-phenyl-4H-[1,3]thiazino[3,2-a]benzimidazol-4-ol chemical structure, C18H16N2O3S, CAS 847467-44-1](/s/RTTVJBCNJUXRJZ-UHFFFAOYSA-N.svg)
6,9-Dimethoxy-2-phenyl-4H-[1,3]thiazino[3,2-a]benzimidazol-4-ol
CAS 847467-44-1C18H16N2O3S
![Methyl 2-(3-phenylpropanamido)benzo[d]thiazole-6-carboxylate chemical structure, C18H16N2O3S, CAS 888409-12-9](/s/OPQNYRFUQQVTHF-UHFFFAOYSA-N.svg)
Methyl 2-(3-phenylpropanamido)benzo[d]thiazole-6-carboxylate
CAS 888409-12-9C18H16N2O3S
![(E)-Methyl 4-((3,6-dimethylbenzo[d]thiazol-2(3H)-ylidene)carbamoyl)benzoate chemical structure, C18H16N2O3S, CAS 441291-55-0](/s/PLPNNFQLTNIDFZ-UHFFFAOYSA-N.svg)
(E)-Methyl 4-((3,6-dimethylbenzo[d]thiazol-2(3H)-ylidene)carbamoyl)benzoate
CAS 441291-55-0C18H16N2O3S
Ethyl 2-(methylsulfanyl)-4-(2-naphthyloxy)-5-pyrimidinecarboxylate
CAS 98733-61-0C18H16N2O3S
![3'-(4-Methoxyphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazinane]-2,4'-dione chemical structure, C18H16N2O3S, CAS 97692-81-4](/s/RAFAYIHPLWLCRV-UHFFFAOYSA-N.svg)
3'-(4-Methoxyphenyl)-1,2-dihydrospiro[indole-3,2'-[1,3]thiazinane]-2,4'-dione
CAS 97692-81-4C18H16N2O3S
![2-(Benzo[d][1,3]dioxol-5-yl)-N-(4-ethylbenzo[d]thiazol-2-yl)acetamide chemical structure, C18H16N2O3S, CAS 922557-35-5](/s/NRTFMEPYZRCCQO-UHFFFAOYSA-N.svg)
2-(Benzo[d][1,3]dioxol-5-yl)-N-(4-ethylbenzo[d]thiazol-2-yl)acetamide
CAS 922557-35-5C18H16N2O3S
(E)-5-(4-Hydroxy-3-methoxybenzylidene)-2-(m-tolylamino)thiazol-4(5H)-one
CAS 463353-81-3C18H16N2O3S
N'-(3-Ethoxy-4-hydroxybenzylidene)-1-benzothiophene-3-carbohydrazide
CAS 445021-09-0C18H16N2O3S
![5-[(4-Methoxynaphthalen-1-yl)methylidene]-1,3-dimethyl-2-sulfanylidene-1,3-diazinane-4,6-dione chemical structure, C18H16N2O3S, CAS 6313-68-4](/s/IORSFYVMBCAERZ-UHFFFAOYSA-N.svg)
5-[(4-Methoxynaphthalen-1-yl)methylidene]-1,3-dimethyl-2-sulfanylidene-1,3-diazinane-4,6-dione
CAS 6313-68-4C18H16N2O3S
![N-[4-(3-Methoxyphenyl)-1,3-thiazol-2-yl]-2-phenoxyacetamide chemical structure, C18H16N2O3S, CAS 536732-06-6](/s/HSDZHIMJBHGLPU-UHFFFAOYSA-N.svg)
N-[4-(3-Methoxyphenyl)-1,3-thiazol-2-yl]-2-phenoxyacetamide
CAS 536732-06-6C18H16N2O3S
N-(3-Acetylphenyl)-3-(2-oxo-1,3-benzothiazol-3-yl)propanamide
CAS 851989-99-6C18H16N2O3S
![N-[(2-Hydroxy-4,5-dimethylphenyl)carbamothioyl]-1-benzofuran-2-carboxamide chemical structure, C18H16N2O3S, CAS 429641-58-7](/s/VUSROUYVUYDLMN-UHFFFAOYSA-N.svg)
N-[(2-Hydroxy-4,5-dimethylphenyl)carbamothioyl]-1-benzofuran-2-carboxamide
CAS 429641-58-7C18H16N2O3S
![(3-Amino-6-ethyl-5-methylthieno[2,3-b]pyridin-2-yl)-(1,3-benzodioxol-5-yl)methanone chemical structure, C18H16N2O3S, CAS 488717-26-6](/s/AMSKHSLPHYYGQF-UHFFFAOYSA-N.svg)
(3-Amino-6-ethyl-5-methylthieno[2,3-b]pyridin-2-yl)-(1,3-benzodioxol-5-yl)methanone
CAS 488717-26-6C18H16N2O3S
N-(5-Benzyl-3-carbamoylthiophen-2-yl)-2-methylfuran-3-carboxamide
CAS 717867-28-2C18H16N2O3S
![(5Z)-5-(4,4,6,8-Tetramethyl-2-oxo-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene)-1,3-thiazolidine-2,4-dione chemical structure, C18H16N2O3S, CAS 524047-16-3](/s/ALSJVXQJHPKENK-OWBHPGMISA-N.svg)
(5Z)-5-(4,4,6,8-Tetramethyl-2-oxo-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene)-1,3-thiazolidine-2,4-dione
CAS 524047-16-3C18H16N2O3S
![Ethyl {N-[4-(6-methylbenzothiazol-2-yl)phenyl]carbamoyl}formate chemical structure, C18H16N2O3S, CAS 41459-55-6](/s/BHWVGLNNTAEHHI-UHFFFAOYSA-N.svg)
Ethyl {N-[4-(6-methylbenzothiazol-2-yl)phenyl]carbamoyl}formate
CAS 41459-55-6C18H16N2O3S
![N-(1,3-Benzodioxol-5-yl)-2-[(2-methyl-1H-indol-3-yl)sulfanyl]acetamide chemical structure, C18H16N2O3S, CAS 536701-96-9](/s/IICKGYQUDXPGOT-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-yl)-2-[(2-methyl-1H-indol-3-yl)sulfanyl]acetamide
CAS 536701-96-9C18H16N2O3S
![2-(Benzyl(methyl)amino)-2-oxoethyl benzo[d]thiazole-6-carboxylate chemical structure, C18H16N2O3S, CAS 869709-61-5](/s/LLHVZSFINMQQPV-UHFFFAOYSA-N.svg)
2-(Benzyl(methyl)amino)-2-oxoethyl benzo[d]thiazole-6-carboxylate
CAS 869709-61-5C18H16N2O3S
(5E)-5-(2,4-Dimethoxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one
CAS 402608-16-6C18H16N2O3S
![Methyl 4-[(4,6-dimethyl-1,3-benzothiazol-2-yl)carbamoyl]benzoate chemical structure, C18H16N2O3S, CAS 361190-57-0](/s/KGRQBWSZNCCQAF-UHFFFAOYSA-N.svg)
Methyl 4-[(4,6-dimethyl-1,3-benzothiazol-2-yl)carbamoyl]benzoate
CAS 361190-57-0C18H16N2O3S
![N-[(E)-(2,4-Dimethoxyphenyl)methylideneamino]-1-benzothiophene-3-carboxamide chemical structure, C18H16N2O3S, CAS 445022-78-6](/s/KFVYIJBLORCQLF-VXLYETTFSA-N.svg)
N-[(E)-(2,4-Dimethoxyphenyl)methylideneamino]-1-benzothiophene-3-carboxamide
CAS 445022-78-6C18H16N2O3S
![N-(6,7-Dihydro-[1,4]dioxino[2,3-f][1,3]benzothiazol-2-yl)-2,5-dimethylbenzamide chemical structure, C18H16N2O3S, CAS 868677-93-4](/s/ZJQFXHGGMKNWKL-UHFFFAOYSA-N.svg)
N-(6,7-Dihydro-[1,4]dioxino[2,3-f][1,3]benzothiazol-2-yl)-2,5-dimethylbenzamide
CAS 868677-93-4C18H16N2O3S
2-(3-Benzyl-2,4-dioxo-1,3-thiazolidin-5-yl)-N-phenylacetamide
CAS 923164-01-6C18H16N2O3S
- N-[4-({[(Thiophen-2-yl)methyl]carbamoyl}methyl)phenyl]furan-2-carboxamide1060355-65-8C18H16N2O3S
- N-{10,13-Dioxa-4-thia-6-azatricyclo[7.4.0.0^{3,7}]trideca-1,3(7),5,8-tetraen-5-yl}-2-(4-methylphenyl)acetamide923379-87-7C18H16N2O3S
- 4-[3-[(4-Methylphenyl)thio]-6-oxo-3,6-dihydropyridazin-1(2H)-yl]benzoic acid1172928-51-6C18H16N2O3S
- Ethyl 2-((4-phenoxyphenyl)amino)thiazole-4-carboxylate1209703-12-7C18H16N2O3S
- N-Cyclopropyl-4-((4-(furan-2-yl)thiazol-2-yl)methoxy)benzamide1251612-44-8C18H16N2O3S
- 2-Methyl-4-(2-methyl-1,1-dioxo-3H-1,2-benzothiazol-6-yl)isoquinolin-1-one2027537-47-7C18H16N2O3S
- (5Z)-5-(4-Hydroxy-3-methoxybenzylidene)-2-[(4-methylphenyl)amino]-1,3-thiazol-4(5H)-one358763-62-9C18H16N2O3S
- Acetic acid, 2-((5-(alpha-phenylphenethyl)-1,3,4-oxadiazol-2-yl)thio)-78613-16-8C18H16N2O3S
- 2',4-Dioxo-3-(4-methoxyphenyl)-5-methylspiro[1,3-thiazolidine-2,3'-indoline]91870-66-5C18H16N2O3S
- (E)-N-(Benzo[d]thiazol-2-yl)-3-(3,4-dimethoxyphenyl)acrylamide1415662-60-0C18H16N2O3S
- 4-Phenoxy-N-(pyridin-2-ylmethyl)benzenesulfonamide667913-44-2C18H16N2O3S
- 2-Mercapto-5-(4-methoxy-benzylidene)-3-(4-methoxy-phenyl)-3,5-dihydro-imidazol-4-one62468-45-5C18H16N2O3S
- Benzeneacetic acid, 4-(2-(methylthio)-4-oxo-3(4H)-quinazolinyl)-, methyl ester102037-97-8C18H16N2O3S
- Methyl 4-[(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)carbamoyl]benzoate476326-71-3C18H16N2O3S
- 3-(3-Methoxyphenyl)-5-[(4-methoxyphenyl)methylidene]-2-sulfanylideneimidazolidin-4-oneC18H16N2O3S
- N-(4,5-Dimethylbenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide946277-03-8C18H16N2O3S
- 4-Acetyl-N-(4-methoxy-3-methyl-1,3-benzothiazol-2-ylidene)benzamide477511-53-8C18H16N2O3S
- 3-(3-(Phenylthio)propanamido)benzofuran-2-carboxamide477294-86-3C18H16N2O3S
- (5Z)-2-Amino-5-[[4-(2-phenoxyethoxy)phenyl]methylidene]-1,3-thiazol-4-one6376-86-9C18H16N2O3S
- N-(5,6-Dimethoxybenzo[d]thiazol-2-yl)cinnamamide895436-61-0C18H16N2O3S
- 5-(4-Methoxyphenyl)-N-(2-(methylthio)phenyl)oxazole-2-carboxamide955914-59-7C18H16N2O3S
- 2-(1,3-Dioxoisoindolin-2-yl)-N-((1-(thiophen-2-yl)cyclopropyl)methyl)acetamide1203274-57-0C18H16N2O3S
- (2Z)-3-[(3-Acetylphenyl)amino]-2-(4-methylbenzenesulfonyl)prop-2-enenitrile1025668-88-5C18H16N2O3S
- 1-Allyl-4-hydroxy-2-oxo-N-(2-thienylmethyl)-1,2-dihydroquinoline-3-carboxamide1358901-42-4C18H16N2O3S
- 6-(Naphthalen-2-ylsulfonyl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2(1H)-one1421454-32-1C18H16N2O3S
- 3-(Benzyloxy)-N-(3-(methylthio)phenyl)isoxazole-5-carboxamide1448028-68-9C18H16N2O3S
- (E)-2-((4-(3-(Thiophen-2-yl)acrylamido)but-2-yn-1-yl)oxy)benzamide1421586-97-1C18H16N2O3S
- N-((4-Hydroxychroman-4-yl)methyl)benzo[d]thiazole-6-carboxamide1798459-27-4C18H16N2O3S
- 1-{1-[4-(Thiophen-3-yl)benzoyl]azetidin-3-yl}pyrrolidine-2,5-dione1798490-73-9C18H16N2O3S
- 5-[(2-Methoxynaphthalen-1-yl)methylidene]-1,3-dimethyl-2-sulfanylidene-1,3-diazinane-4,6-dione6354-88-7C18H16N2O3S
- N-{3-Cyano-4-[(4-methoxyphenyl)sulfinyl]phenyl}cyclopropanecarboxamide477709-91-4C18H16N2O3S
- N-(6-Methyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)-2-oxochromene-3-carboxamide586987-21-5C18H16N2O3S
- Benzeneacetic acid, 4-(1,4-dihydro-4-oxo-2-thioxo-3(2H)-quinazolinyl)-alpha-methyl-, methyl ester102037-96-7C18H16N2O3S
- N-(4-(2,4-Dimethoxyphenyl)thiazol-2-yl)benzamide20375-58-0C18H16N2O3S
- 1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[(5-methyl-1H-1,3-benzodiazol-2-yl)sulfanyl]ethan-1-one849198-05-6C18H16N2O3S
- (Z)-N-(3,6-Dimethylbenzo[d]thiazol-2(3H)-ylidene)-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxamide477554-48-6C18H16N2O3S
- Methyl 2-(2,4-dimethylbenzamido)benzo[d]thiazole-6-carboxylate888412-38-2C18H16N2O3S
- Methyl 4-[(4,7-dimethyl-1,3-benzothiazol-2-yl)carbamoyl]benzoate912767-21-6C18H16N2O3S
- 3-(2-(Ethylthio)benzamido)benzofuran-2-carboxamide886916-24-1C18H16N2O3S
- 2,3-Dimethoxy-N-(4-phenylthiazol-2-yl)benzamide922604-08-8C18H16N2O3S
- 5-Oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carbonitrile68595-19-7C18H16N2O3S
- N-(1,3-Dioxoisoindolin-4-yl)-3-(isopropylthio)benzamide919761-19-6C18H16N2O3S
- 3-(2-(4-(Methylthio)phenyl)acetamido)benzofuran-2-carboxamide941930-20-7C18H16N2O3S
- 5,11-Dimethyl-6H-pyrido(4,3-b)carbazol-9-yl methanesulphonate94944-78-2C18H16N2O3S
- N-(2-Methoxyphenyl)-1-(5-(thiophen-2-yl)isoxazol-3-yl)cyclopropanecarboxamide1286725-91-4C18H16N2O3S
- N-((4-Hydroxychroman-4-yl)methyl)benzo[d]thiazole-2-carboxamide1421525-81-6C18H16N2O3S
- (E)-1-(4-Methylbenzo[d]thiazol-2-yl)azetidin-3-yl 3-(furan-2-yl)acrylate1396892-18-4C18H16N2O3S
- 1-((5-(Furan-2-carbonyl)thiophen-2-yl)methyl)-3-(o-tolyl)urea1796970-53-0C18H16N2O3S
- (E)-N-((2-(Furan-2-yl)pyridin-4-yl)methyl)-2-phenylethenesulfonamide2035018-79-0C18H16N2O3S
- 1-{1-[4-(Thiophen-2-yl)benzoyl]azetidin-3-yl}pyrrolidine-2,5-dione1904335-12-1C18H16N2O3S
- N-[(2-Ethoxyphenyl)carbamothioyl]-1-benzofuran-2-carboxamide432540-89-1C18H16N2O3S
- 4-Methoxy-2-phenyl-6-[(phenylsulfonyl)methyl]pyrimidine303147-43-5C18H16N2O3S
- N-(4,7-Dimethyl-1,3-benzothiazol-2-yl)-2,3-dihydro-1,4-benzodioxine-6-carboxamide896676-19-0C18H16N2O3S
- (Z)-Methyl 2-(2-((2-phenylacetyl)imino)benzo[d]thiazol-3(2H)-yl)acetate865197-79-1C18H16N2O3S
- N-{3-[(Naphthalen-2-ylsulfonyl)amino]phenyl}acetamide892678-48-7C18H16N2O3S
- (Z)-Methyl 2-(2-(benzoylimino)-6-methylbenzo[d]thiazol-3(2H)-yl)acetate897616-66-9C18H16N2O3S
- 1-(3-Methoxyphenyl)-3-(4-methyl-2-oxochromen-7-yl)thiourea828272-38-4C18H16N2O3S
- 2-(2-Naphthalen-1-ylimino-4-oxo-3-prop-2-enyl-1,3-thiazolidin-5-yl)acetic acid7062-73-9C18H16N2O3S
- 4-Methyl-N-(3-methyl-6,7-dihydro-[1,4]dioxino[2,3-f][1,3]benzothiazol-2-ylidene)benzamide1322288-66-3C18H16N2O3S
- N-(6,7-Dihydro-[1,4]dioxino[2,3-f][1,3]benzothiazol-2-yl)-3-phenylpropanamide892851-22-8C18H16N2O3S
- N-(2-Methyl-1,3-dioxoisoindolin-4-yl)-2-(p-tolylthio)acetamide895457-49-5C18H16N2O3S
- N-(1,3-Dioxoisoindolin-4-yl)-3-(p-tolylthio)propanamide895462-93-8C18H16N2O3S
- N-(1,3-Dioxoisoindolin-5-yl)-3-(p-tolylthio)propanamide895465-59-5C18H16N2O3S
- 3-(3-(Ethylthio)benzamido)benzofuran-2-carboxamide886912-04-5C18H16N2O3S
- 3-(2-(Benzylthio)acetamido)benzofuran-2-carboxamide898354-79-5C18H16N2O3S
- [2-(4-Benzyloxy-phenylamino)-thiazol-4-yl]-acetic acid918793-33-6C18H16N2O3S
- 4-(2-Phenylethenesulfonamido)-N-(prop-2-yn-1-yl)benzamide930522-53-5C18H16N2O3S
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-7-ethoxybenzofuran-2-carboxamide921784-85-2C18H16N2O3S
- N-(4-Carbamoylphenyl)-3-phenyl-5,6-dihydro-1,4-oxathiine-2-carboxamide1010902-54-1C18H16N2O3S
- N-(5,7-Dimethylbenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide906784-54-1C18H16N2O3S
- (E)-N-((5-(3-Methoxyphenyl)isoxazol-3-yl)methyl)-3-(thiophen-2-yl)acrylamide1207061-87-7C18H16N2O3S
- N-[2-(2,3-Dihydro-1-benzofuran-5-yl)-2-hydroxyethyl]-1,3-benzothiazole-2-carboxamide1421528-06-4C18H16N2O3S
- 1-Benzyl-3-((5-(furan-2-carbonyl)thiophen-2-yl)methyl)urea1797190-05-6C18H16N2O3S
- 3-(1-(2-(Naphthalen-1-yl)acetyl)azetidin-3-yl)thiazolidine-2,4-dione2034236-27-4C18H16N2O3S
- N-(3-(Pyridin-2-yloxy)benzyl)benzenesulfonamide1705412-84-5C18H16N2O3S
- N1-(2-(benzo[b]thiophen-3-yl)-2-hydroxyethyl)-N2-phenyloxalamide2034594-47-1C18H16N2O3S
Frequently asked questions
What is the molar mass of C18H16N2O3S?
The molar mass of C18H16N2O3S is 340.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 340.0882 Da.
How many compounds have the formula C18H16N2O3S?
CompoundList lists 247 compounds with the molecular formula C18H16N2O3S, including 2-{[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-1-(4-methylphenyl)-1-ethanone, 6,9-Dimethoxy-2-phenyl-4H-[1,3]thiazino[3,2-a]benzimidazol-4-ol, Methyl 2-(3-phenylpropanamido)benzo[d]thiazole-6-carboxylate. 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 C18H16N2O3S?
C18H16N2O3S 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.