Molecular formula
C18H18N2O2S
287 compounds have this formula on CompoundList.
- Molar mass
- 326.41g/mol
- Monoisotopic mass
- 326.1089Da
- Atoms
- 41
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H18N2O2S describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 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 × 1866.23%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.56%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 28.58%14.007 × 2 = 28.014 g/mol
- O Oxygen × 29.80%15.999 × 2 = 31.998 g/mol
- S Sulfur × 19.82%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H18N2O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 287 compounds
3-(2-Methoxyphenyl)-2-methyl-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione
CAS 702655-58-1C18H18N2O2S
![5-[(3,4-Dimethylphenyl)amino]-3-(2-methylphenyl)-1,3-thiazolidine-2,4-dione chemical structure, C18H18N2O2S, CAS 1009342-07-7](/s/PZBGBUQEXHEFIS-UHFFFAOYSA-N.svg)
5-[(3,4-Dimethylphenyl)amino]-3-(2-methylphenyl)-1,3-thiazolidine-2,4-dione
CAS 1009342-07-7C18H18N2O2S
3-(4-(Dimethylamino)phenyl)-2-((4-methylphenyl)sulfonyl)prop-2-enenitrile
CAS 16092-97-0C18H18N2O2S
![2,5-Dimethyl-N-[5-(3-methylbenzyl)-1,3-thiazol-2-yl]furan-3-carboxamide chemical structure, C18H18N2O2S, CAS 915933-20-9](/s/ZCRWRBCZSXETTC-UHFFFAOYSA-N.svg)
2,5-Dimethyl-N-[5-(3-methylbenzyl)-1,3-thiazol-2-yl]furan-3-carboxamide
CAS 915933-20-9C18H18N2O2S
![(2Z)-5-(4-Methoxybenzyl)-2-[(4-methylphenyl)imino]-1,3-thiazolidin-4-one chemical structure, C18H18N2O2S, CAS 301174-56-1](/s/IKVDVSYOFCWRCQ-UHFFFAOYSA-N.svg)
(2Z)-5-(4-Methoxybenzyl)-2-[(4-methylphenyl)imino]-1,3-thiazolidin-4-one
CAS 301174-56-1C18H18N2O2S
Thiazole, 2-(3,4-dimethoxybenzylamino)-4-phenyl-
CAS 23937-99-7C18H18N2O2S
![2-Benzyl-6,6-dimethyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one chemical structure, C18H18N2O2S, CAS 331837-50-4](/s/RZBXLSQASOXXLR-UHFFFAOYSA-N.svg)
2-Benzyl-6,6-dimethyl-3,5,6,8-tetrahydro-4H-pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-4-one
CAS 331837-50-4C18H18N2O2S
![Methyl 4-[(3,4-dihydroisoquinolin-2(1H)-ylcarbonothioyl)amino]benzoate chemical structure, C18H18N2O2S, CAS 461457-10-3](/s/XFBHZPBLUAEHPI-UHFFFAOYSA-N.svg)
Methyl 4-[(3,4-dihydroisoquinolin-2(1H)-ylcarbonothioyl)amino]benzoate
CAS 461457-10-3C18H18N2O2S
![(5Z)-5-[[1-(2,4-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-1,3-thiazolidine-2,4-dione chemical structure, C18H18N2O2S, CAS 348577-55-9](/s/WUSHVCXWVUDKHR-SXGWCWSVSA-N.svg)
(5Z)-5-[[1-(2,4-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-1,3-thiazolidine-2,4-dione
CAS 348577-55-9C18H18N2O2S
![1-[4-(2-Methoxynaphthalen-1-yl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]ethanone chemical structure, C18H18N2O2S, CAS 313526-17-9](/s/NLSCWBJYYSFMBG-UHFFFAOYSA-N.svg)
1-[4-(2-Methoxynaphthalen-1-yl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]ethanone
CAS 313526-17-9C18H18N2O2S
Ethyl 6-methyl-4-naphthalen-2-yl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate
CAS 352693-96-0C18H18N2O2S
![(E)-N-(4-Methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3,4-dimethylbenzamide chemical structure, C18H18N2O2S, CAS 441291-50-5](/s/HGXZNCRLPXPBOJ-UHFFFAOYSA-N.svg)
(E)-N-(4-Methoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3,4-dimethylbenzamide
CAS 441291-50-5C18H18N2O2S
N-(4,6-Dimethyl-1,3-benzothiazol-2-yl)-3-phenoxypropanamide
CAS 361168-08-3C18H18N2O2S
![2,4-Dimethyl-N-[5-(4-methylbenzyl)-1,3-thiazol-2-yl]furan-3-carboxamide chemical structure, C18H18N2O2S, CAS 915934-86-0](/s/OQWQXPUBIPMIRW-UHFFFAOYSA-N.svg)
2,4-Dimethyl-N-[5-(4-methylbenzyl)-1,3-thiazol-2-yl]furan-3-carboxamide
CAS 915934-86-0C18H18N2O2S
(E)-3-(Furan-2-yl)-N-((1-methyl-1H-pyrrol-2-yl)methyl)-N-(thiophen-2-ylmethyl)acrylamide
CAS 1331723-67-1C18H18N2O2S
N-(6-Ethoxy-1,3-benzothiazol-2-yl)-3,4-dimethylbenzamide
CAS 5837-57-0C18H18N2O2S
![3,5-Dimethyl-1-phenyl-4-[(phenylsulfonyl)methyl]-1H-pyrazole chemical structure, C18H18N2O2S, CAS 321574-38-3](/s/DTICWQSIYOBRSG-UHFFFAOYSA-N.svg)
3,5-Dimethyl-1-phenyl-4-[(phenylsulfonyl)methyl]-1H-pyrazole
CAS 321574-38-3C18H18N2O2S
N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3-phenoxypropanamide
CAS 476295-80-4C18H18N2O2S
![N-[(4-Acetylphenyl)carbamothioyl]-3,4-dimethylbenzamide chemical structure, C18H18N2O2S, CAS 335213-44-0](/s/TUUFBMGTYLHPJF-UHFFFAOYSA-N.svg)
N-[(4-Acetylphenyl)carbamothioyl]-3,4-dimethylbenzamide
CAS 335213-44-0C18H18N2O2S
Ethyl 2-amino-6-cyano-6-phenyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 355822-27-4C18H18N2O2S
Benzamide, N-(((2-hydroxy-1,2,3,4-tetrahydro-1-naphthalenyl)amino)thioxomethyl)-, (E)-
CAS 141034-11-9C18H18N2O2S
![2-[2-(4-Methoxyphenyl)imino-4-phenyl-1,3-thiazol-3-yl]ethanol chemical structure, C18H18N2O2S, CAS 313684-09-2](/s/JDHJFLXXCZXYOA-UHFFFAOYSA-N.svg)
2-[2-(4-Methoxyphenyl)imino-4-phenyl-1,3-thiazol-3-yl]ethanol
CAS 313684-09-2C18H18N2O2S
N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-phenoxyacetamide
CAS 313469-65-7C18H18N2O2S
N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3-methoxybenzamide
CAS 391221-60-6C18H18N2O2S
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(2-methoxyphenyl)methanone851863-75-7C18H18N2O2S
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(4-methoxyphenyl)methanone851863-77-9C18H18N2O2S
- N-[1-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl]cyclopropanecarboxamide946265-98-1C18H18N2O2S
- (Z)-2-(4-(3-Methoxyphenyl)-2-(phenylimino)thiazol-3(2H)-yl)ethanol915186-29-7C18H18N2O2S
- (Z)-2-(2-((2-Methoxyphenyl)imino)-4-phenylthiazol-3(2H)-yl)ethanol905764-15-0C18H18N2O2S
- 3-(2-Phenylethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine-2,4(1H,3H)-dione862316-69-6C18H18N2O2S
- 3-(3-Methoxyphenyl)-2-methyl-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocine-4(3H)-thione946370-81-6C18H18N2O2S
- Thiazole, 2-(2,3-dimethoxybenzylamino)-4-phenyl-23937-98-6C18H18N2O2S
- 3-(Dimethylamino)-5,5-diphenyl-1,3-thiazinane-2,4-dione94532-73-7C18H18N2O2S
- N-[(3-Acetylphenyl)carbamothioyl]-3,4-dimethylbenzamide335213-43-9C18H18N2O2S
- 3-(3-Methoxyphenoxy)-8-thia-4,6-diazatricyclo[7.5.0.0^{2,7}]tetradeca-1(9),2,4,6-tetraene315697-22-4C18H18N2O2S
- N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothien-2-yl)-2-(3-methylphenoxy)acetamide349474-21-1C18H18N2O2S
- (5Z)-5-[[1-(2,3-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-1,3-thiazolidine-2,4-dione347381-19-5C18H18N2O2S
- 3-(1,3-Benzothiazol-2-yl)-N-(2-ethoxyphenyl)propanamide765284-61-5C18H18N2O2S
- 2-Ethoxy-N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]acetamide600140-73-6C18H18N2O2S
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-methoxybenzamide380887-90-1C18H18N2O2S
- N-(6-Methyl-1,3-benzothiazol-2-yl)-4-phenoxybutanamide431987-07-4C18H18N2O2S
- N-[4-(2,5-Dimethyl-1H-pyrrol-1-yl)phenyl]benzenesulfonamide866156-45-8C18H18N2O2S
- N-[4-(1,3-Benzothiazol-2-yl)-3-hydroxyphenyl]-2,2-dimethylpropanamide476320-04-4C18H18N2O2S
- N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-methoxybenzamide328539-86-2C18H18N2O2S
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(3-methoxyphenyl)methanone851863-76-8C18H18N2O2S
- N-(6-Methoxy-1,3-benzothiazol-2-yl)-3-phenylbutanamide432508-75-3C18H18N2O2S
- N-(4-Methoxyphenyl)-2-[(2-methyl-1H-indol-3-yl)sulfanyl]acetamide536701-83-4C18H18N2O2S
- (E)-3-(2,5-Dimethylanilino)-2-(4-methylphenyl)sulfonylprop-2-enenitrile1025640-63-4C18H18N2O2S
- N-(2-(4-Methyl-2-(m-tolyl)thiazol-5-yl)ethyl)furan-2-carboxamide869070-23-5C18H18N2O2S
- 3-(2-Oxo-1,3-benzothiazol-3(2H)-yl)-N-(2-phenylethyl)propanamide851989-72-5C18H18N2O2S
- 5-(4-Methylphenyl)-3-(tetrahydrofuran-2-ylmethyl)thieno[2,3-d]pyrimidin-4(3H)-one898518-80-4C18H18N2O2S
- (1E)-N-Methyl-2-[1-(phenylmethyl)-1H-indol-5-yl]ethenesulfonamide894351-84-9C18H18N2O2S
- 2,5-Dimethyl-N-(pyridin-2-ylmethyl)-N-(thiophen-3-ylmethyl)furan-3-carboxamide1234911-54-6C18H18N2O2S
- N-[3-(1,3-Benzothiazol-2-yl)-4-hydroxy-5-methylphenyl]-2-methylpropanamide879040-23-0C18H18N2O2S
- Thiazole, 2-(2,4-dimethoxybenzylamino)-4-phenyl-24051-01-2C18H18N2O2S
- N-(6-Methyl-1,3-benzothiazol-2-yl)-4-(propan-2-yloxy)benzamide476325-04-9C18H18N2O2S
- N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-4-propoxybenzamide332373-85-0C18H18N2O2S
- N-(4-Methyl-1,3-benzothiazol-2-yl)-4-phenoxybutanamide710980-01-1C18H18N2O2S
- N-(4-Ethoxyphenyl)-4-(4-methoxyphenyl)-1,3-thiazol-2-amine339231-30-0C18H18N2O2S
- Benzyl N-{3-cyano-4H,5H,6H,7H,8H-cyclohepta[b]thiophen-2-yl}carbamate732271-29-3C18H18N2O2S
- 2-(3,4-Dimethylphenoxy)-N-(6-methyl-1,3-benzothiazol-2-yl)acetamide443122-65-4C18H18N2O2S
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-2-(2,3-dihydro-1H-inden-5-yloxy)acetamide830343-71-0C18H18N2O2S
- 4H-Pyrrolo(1,2-a)thieno(2,3-f)(1,4)diazepine, 5,6-dihydro-6-(3,4-dimethoxyphenyl)-136334-18-4C18H18N2O2S
- 3-Methoxy-N-(3,4,6-trimethyl-1,3-benzothiazol-2-ylidene)benzamide681157-51-7C18H18N2O2S
- 10-Methoxy-2-methyl-3-phenyl-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione702655-70-7C18H18N2O2S
- N-[1-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl]cyclopropanecarboxamide899735-54-7C18H18N2O2S
- 3-(4-Methylphenyl)-4-oxo-5-(4-toluidinomethylene)-1,3-thiazolan-1-ium-1-olate338753-40-5C18H18N2O2S
- 4-(4-(Phenylthio)butanoyl)-3,4-dihydroquinoxalin-2(1H)-one923700-47-4C18H18N2O2S
- N-(4-Isopropylphenyl)-2-(5-(thiophen-2-yl)isoxazol-3-yl)acetamide946284-52-2C18H18N2O2S
- N-(Benzo[d]thiazol-5-yl)-4-butoxybenzamide941924-71-6C18H18N2O2S
- 5-Amino-N-(2-phenylethyl)naphthalene-1-sulfonamide648899-00-7C18H18N2O2S
- 2-[(2-Hydroxy-4,5-dihydro-3H-1-benzazepin-3-yl)sulfanyl]-N-phenylacetamide1007652-30-3C18H18N2O2S
- N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)thiophene-3-carboxamide1207039-55-1C18H18N2O2S
- (E)-3-(3-(Thiophen-2-yl)acryloyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-one1207061-39-9C18H18N2O2S
- (E)-N-(4-Methyl-3-(2-oxopyrrolidin-1-yl)phenyl)-3-(thiophen-2-yl)acrylamide1331427-50-9C18H18N2O2S
- 1-(2-Hydroxy-2-(naphthalen-1-yl)ethyl)-3-(thiophen-2-ylmethyl)urea1351621-39-0C18H18N2O2S
- Benzyl N-[(3R)-2-thioxo-1,3,4,5-tetrahydro-1-benzazepin-3-yl]carbamate1310816-98-8C18H18N2O2S
- Ethyl 2-(3-(4-cyanophenyl)pyridin-4-ylthio)-2-methylpropanoate1352794-87-6C18H18N2O2S
- 1-(Furan-3-ylmethyl)-1-(thiophen-2-ylmethyl)-3-(o-tolyl)urea1421442-72-9C18H18N2O2S
- (E)-3-(Furan-3-yl)-N-((1-methyl-1H-pyrrol-2-yl)methyl)-N-(thiophen-2-ylmethyl)acrylamide1798402-06-8C18H18N2O2S
- N-Cyclopropyl-6-methoxy-N-(thiophen-3-ylmethyl)-1H-indole-2-carboxamide1797871-86-3C18H18N2O2S
- (3-Amino-4,5,6-trimethylthieno[2,3-b]pyridin-2-yl)(3-methoxyphenyl)methanone445384-35-0C18H18N2O2S
- 3-(4-Methoxyphenyl)-2-propan-2-ylsulfanylquinazolin-4-one25477-38-7C18H18N2O2S
- 4-(3,4-Dimethoxyphenyl)-1-(p-tolyl)-1H-imidazole-2(3H)-thione866346-42-1C18H18N2O2S
- (Z)-N-(4-Methoxy-3,7-dimethylbenzo[d]thiazol-2(3H)-ylidene)-2-methylbenzamide1321716-66-8C18H18N2O2S
- (Z)-N-(4-Methoxy-3,7-dimethylbenzo[d]thiazol-2(3H)-ylidene)-2-phenylacetamide868370-87-0C18H18N2O2S
- 3-(4-Methoxyphenyl)-N-(4-methyl-1,3-benzothiazol-2-yl)propanamide853354-71-9C18H18N2O2S
- 2-[(4-Ethylbenzyl)sulfanyl]-5-(4-methoxyphenyl)-1,3,4-oxadiazole477857-26-4C18H18N2O2S
- N-(3-Methoxyphenyl)-2-((1-methyl-1H-indol-3-yl)thio)acetamide896676-47-4C18H18N2O2S
- N-(2-Methoxyphenyl)-2-((1-methyl-1H-indol-3-yl)thio)acetamide896676-49-6C18H18N2O2S
- 2-Methoxy-N-(3,4,6-trimethyl-1,3-benzothiazol-2-ylidene)benzamide850903-07-0C18H18N2O2S
- 2-Phenoxy-N-(3,5,7-trimethyl-1,3-benzothiazol-2-ylidene)acetamide1321913-99-8C18H18N2O2S
- 4-Methoxy-N-(6-propan-2-yl-1,3-benzothiazol-2-yl)benzamide892854-82-9C18H18N2O2S
- N-(6-Isopropylbenzo[d]thiazol-2-yl)-2-phenoxyacetamide892853-99-5C18H18N2O2S
- N-[1-(Cyclopropanecarbonyl)-3,4-dihydro-2H-quinolin-6-yl]thiophene-2-carboxamide899964-17-1C18H18N2O2S
- N-[4-(1-Benzofuran-2-yl)-1,3-thiazol-2-yl]cyclohexanecarboxamide922455-86-5C18H18N2O2S
- 1,3-Dihydro-4-[(4-hydroxyphenyl)methyl]-1-[(4-methoxyphenyl)methyl]-2H-imidazole-2-thione951307-29-2C18H18N2O2S
- 2-Phenyl-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)butanamide953011-95-5C18H18N2O2S
- N-(2-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)cyclopropanecarboxamide955689-17-5C18H18N2O2S
- 1-Cinnamyl-2-(ethylsulfonyl)-1H-benzo[d]imidazole886923-69-9C18H18N2O2S
Frequently asked questions
What is the molar mass of C18H18N2O2S?
The molar mass of C18H18N2O2S is 326.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 326.1089 Da.
How many compounds have the formula C18H18N2O2S?
CompoundList lists 287 compounds with the molecular formula C18H18N2O2S, including 3-(2-Methoxyphenyl)-2-methyl-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione, 5-[(3,4-Dimethylphenyl)amino]-3-(2-methylphenyl)-1,3-thiazolidine-2,4-dione, 3-(4-(Dimethylamino)phenyl)-2-((4-methylphenyl)sulfonyl)prop-2-enenitrile. 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 C18H18N2O2S?
C18H18N2O2S 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.