Molecular formula
C18H20N2O2S
225 compounds have this formula on CompoundList.
- Molar mass
- 328.43g/mol
- Monoisotopic mass
- 328.1245Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H20N2O2S describes a molecule made of 18 carbon atoms, 20 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 × 1865.83%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 206.14%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.53%14.007 × 2 = 28.014 g/mol
- O Oxygen × 29.74%15.999 × 2 = 31.998 g/mol
- S Sulfur × 19.76%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H20N2O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 225 compounds
N-(1-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)isobutyramide
CAS 899964-27-3C18H20N2O2S
N-(4-Methyl-3-(2-oxopiperidin-1-yl)phenyl)-2-(thiophen-3-yl)acetamide
CAS 1448131-84-7C18H20N2O2S
![N-[(2,5-Dimethylphenyl)carbamothioyl]-3-ethoxybenzamide chemical structure, C18H20N2O2S, CAS 428832-04-6](/s/BQIJEIJQJWOUCA-UHFFFAOYSA-N.svg)
N-[(2,5-Dimethylphenyl)carbamothioyl]-3-ethoxybenzamide
CAS 428832-04-6C18H20N2O2S
![N-[(2,5-Dimethylphenyl)carbamothioyl]-4-ethoxybenzamide chemical structure, C18H20N2O2S, CAS 428503-72-4](/s/VVLWOQCRBJSXPO-UHFFFAOYSA-N.svg)
N-[(2,5-Dimethylphenyl)carbamothioyl]-4-ethoxybenzamide
CAS 428503-72-4C18H20N2O2S
![N-[(4-Methoxyphenyl)carbamothioyl]-4-(propan-2-yl)benzamide chemical structure, C18H20N2O2S, CAS 428827-91-2](/s/CAIPKNTVEAFJPI-UHFFFAOYSA-N.svg)
N-[(4-Methoxyphenyl)carbamothioyl]-4-(propan-2-yl)benzamide
CAS 428827-91-2C18H20N2O2S
![N-[(3-Methoxyphenyl)carbamothioyl]-4-propan-2-ylbenzamide chemical structure, C18H20N2O2S, CAS 428829-13-4](/s/GDXGHVWFDPGHSN-UHFFFAOYSA-N.svg)
N-[(3-Methoxyphenyl)carbamothioyl]-4-propan-2-ylbenzamide
CAS 428829-13-4C18H20N2O2S
![N-[(2,6-Dimethylphenyl)carbamothioyl]-2-(4-methylphenoxy)acetamide chemical structure, C18H20N2O2S, CAS 378780-52-0](/s/PPKFKRLQCYLQBK-UHFFFAOYSA-N.svg)
N-[(2,6-Dimethylphenyl)carbamothioyl]-2-(4-methylphenoxy)acetamide
CAS 378780-52-0C18H20N2O2S
![N-[(2-Methoxyphenyl)carbamothioyl]-4-propan-2-ylbenzamide chemical structure, C18H20N2O2S, CAS 428840-27-1](/s/QWZFGFCIHYMQPF-UHFFFAOYSA-N.svg)
N-[(2-Methoxyphenyl)carbamothioyl]-4-propan-2-ylbenzamide
CAS 428840-27-1C18H20N2O2S
![N-[(3-Methylphenyl)carbamothioyl]-3-propan-2-yloxybenzamide chemical structure, C18H20N2O2S, CAS 428480-03-9](/s/OSFWMHNFIKYFHW-UHFFFAOYSA-N.svg)
N-[(3-Methylphenyl)carbamothioyl]-3-propan-2-yloxybenzamide
CAS 428480-03-9C18H20N2O2S
![N-(2-{[(Phenylsulfanyl)acetyl]amino}phenyl)butanamide chemical structure, C18H20N2O2S, CAS 694450-82-3](/s/QDSBCPSQQQTWLW-UHFFFAOYSA-N.svg)
N-(2-{[(Phenylsulfanyl)acetyl]amino}phenyl)butanamide
CAS 694450-82-3C18H20N2O2S
![Methyl (4-{[(2-phenylethyl)carbamothioyl]amino}phenyl)acetate chemical structure, C18H20N2O2S, CAS 516457-14-0](/s/VLCSILCWSZSCEB-UHFFFAOYSA-N.svg)
Methyl (4-{[(2-phenylethyl)carbamothioyl]amino}phenyl)acetate
CAS 516457-14-0C18H20N2O2S
![2-(2,4-Dimethylbenzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide chemical structure, C18H20N2O2S, CAS 672344-74-0](/s/MWZVNMDRZIYALS-UHFFFAOYSA-N.svg)
2-(2,4-Dimethylbenzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide
CAS 672344-74-0C18H20N2O2S
![2-[(3,5-Dimethylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide chemical structure, C18H20N2O2S, CAS 678978-78-4](/s/CTLAARQYLKQGRN-UHFFFAOYSA-N.svg)
2-[(3,5-Dimethylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 678978-78-4C18H20N2O2S
3-Butoxy-N-(phenylcarbamothioyl)benzamide
CAS 429623-25-6C18H20N2O2S
N-(4-Methoxy-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)cyclohexanecarboxamide
CAS 868377-93-9C18H20N2O2S
![1-[1-(1,3-Benzodioxol-5-yl)ethyl]-3-(2-phenylethyl)thiourea chemical structure, C18H20N2O2S, CAS 708219-07-2](/s/ZFSMIVOUUHRCFO-UHFFFAOYSA-N.svg)
1-[1-(1,3-Benzodioxol-5-yl)ethyl]-3-(2-phenylethyl)thiourea
CAS 708219-07-2C18H20N2O2S
![N-[4-[Acetyl(methyl)amino]phenyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide chemical structure, C18H20N2O2S, CAS 495382-09-7](/s/JJHGJOJZXGBPIB-UHFFFAOYSA-N.svg)
N-[4-[Acetyl(methyl)amino]phenyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 495382-09-7C18H20N2O2S
![2-[(3,4-Dimethylbenzoyl)amino]-N-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide chemical structure, C18H20N2O2S, CAS 893095-75-5](/s/FZPQRIYBUYDXKP-UHFFFAOYSA-N.svg)
2-[(3,4-Dimethylbenzoyl)amino]-N-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide
CAS 893095-75-5C18H20N2O2S
![N-[1-(Thiophene-2-carbonyl)-3,4-dihydro-2H-quinolin-7-yl]butanamide chemical structure, C18H20N2O2S, CAS 946367-69-7](/s/CCTGGZHCGZMACF-UHFFFAOYSA-N.svg)
N-[1-(Thiophene-2-carbonyl)-3,4-dihydro-2H-quinolin-7-yl]butanamide
CAS 946367-69-7C18H20N2O2S
N-(1-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl)isobutyramide
CAS 946320-48-5C18H20N2O2S
N-(1-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)butyramide
CAS 899983-23-4C18H20N2O2S
N1-(3-(methylthio)phenyl)-N2-(3-phenylpropyl)oxalamide
CAS 941980-44-5C18H20N2O2S
![N-{4-[2-Oxo-2-(pyrrolidin-1-yl)ethyl]phenyl}-2-(thiophen-2-yl)acetamide chemical structure, C18H20N2O2S, CAS 1060326-15-9](/s/IVTPKUUYBVKJDE-UHFFFAOYSA-N.svg)
N-{4-[2-Oxo-2-(pyrrolidin-1-yl)ethyl]phenyl}-2-(thiophen-2-yl)acetamide
CAS 1060326-15-9C18H20N2O2S
![N-(4,7-Dimethylbenzo[d]thiazol-2-yl)-N-(furan-2-ylmethyl)butyramide chemical structure, C18H20N2O2S, CAS 922388-58-7](/s/SXTMVNHGDLHDSW-UHFFFAOYSA-N.svg)
N-(4,7-Dimethylbenzo[d]thiazol-2-yl)-N-(furan-2-ylmethyl)butyramide
CAS 922388-58-7C18H20N2O2S
- 8-Ethyl-7-methoxy-2-[4-(propan-2-yl)-1,3-thiazol-2-yl]quinolin-4(1H)-one923604-68-6C18H20N2O2S
- N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-2-(methylthio)nicotinamide1421467-02-8C18H20N2O2S
- N-[(2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]-2-(methylsulfanyl)pyridine-3-carboxamide1421529-17-0C18H20N2O2S
- (E)-N-(4-(3-Methoxypyrrolidin-1-yl)phenyl)-3-(thiophen-2-yl)acrylamide1798411-80-9C18H20N2O2S
- N-[(3,4-Dimethylphenyl)carbamothioyl]-3-ethoxybenzamide364597-86-4C18H20N2O2S
- N-[(2-Hydroxy-4,5-dimethylphenyl)carbamothioyl]-3,4-dimethylbenzamide429638-15-3C18H20N2O2S
- N-[(3,5-Dimethylphenyl)carbamothioyl]-3-ethoxybenzamide364624-45-3C18H20N2O2S
- N-[3-(Cyclohexanecarbonylamino)phenyl]thiophene-2-carboxamide713493-66-4C18H20N2O2S
- N-[(4-Methylphenyl)carbamothioyl]-3-propoxybenzamide429625-81-0C18H20N2O2S
- N-[(2,6-Dimethylphenyl)carbamothioyl]-2-(4-methoxyphenyl)acetamide817572-37-5C18H20N2O2S
- 2,2-Dimethyl-N-[(4-phenoxyphenyl)carbamothioyl]propanamide817570-24-4C18H20N2O2S
- N-[(3-Methylphenyl)carbamothioyl]-4-propoxybenzamide428492-60-8C18H20N2O2S
- N-[(4-Methylphenyl)carbamothioyl]-4-propoxybenzamide428498-90-2C18H20N2O2S
- N-[2-(Butanoylamino)phenyl]-2-methylsulfanylbenzamide879600-57-4C18H20N2O2S
- N-[(3,5-Dimethylphenyl)carbamothioyl]-4-ethoxybenzamide585522-19-6C18H20N2O2S
- 4-Butoxy-N-(3-cyano-4,5-dimethylthiophen-2-yl)benzamide896301-23-8C18H20N2O2S
- 4,5-Dimethyl-2-(5,6,7,8-tetrahydronaphthalene-2-carboxamido)thiophene-3-carboxamide896309-50-5C18H20N2O2S
- 2-[(2,4-Dimethylbenzoyl)amino]-N-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide893101-75-2C18H20N2O2S
- N-(1-Isobutyryl-1,2,3,4-tetrahydroquinolin-7-yl)thiophene-2-carboxamide1005301-40-5C18H20N2O2S
- N-(1-Isobutyryl-1,2,3,4-tetrahydroquinolin-6-yl)thiophene-2-carboxamide941915-68-0C18H20N2O2S
- 2-(3-Methylthiophen-2-yl)-3-(tetrahydrofuran-2-ylmethyl)-2,3-dihydroquinazolin-4(1H)-one924023-95-0C18H20N2O2S
- N-((5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)methyl)-2-(thiophen-2-yl)acetamide955226-93-4C18H20N2O2S
- N-(1-Isobutyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)thiophene-2-carboxamide941953-98-6C18H20N2O2S
- N-(2-Propionyl-1,2,3,4-tetrahydroisoquinolin-7-yl)-2-(thiophen-2-yl)acetamide955706-43-1C18H20N2O2S
- N-(2-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)isobutyramide955641-79-9C18H20N2O2S
- 1-(4-tert-Butylbenzenesulfonyl)-2-methyl-1H-1,3-benzodiazole890337-31-2C18H20N2O2S
- 1-(2,5-Dimethylbenzyl)-2-(ethylsulfonyl)-1H-benzo[d]imidazole886924-23-8C18H20N2O2S
- 2-(Isopropylsulfonyl)-1-(3-methylbenzyl)-1H-benzo[d]imidazole886903-64-6C18H20N2O2S
- 1-(2-Methylbenzyl)-2-(propylsulfonyl)-1H-benzo[d]imidazole886904-89-8C18H20N2O2S
- 1-(3-Methylbenzyl)-2-(propylsulfonyl)-1H-benzo[d]imidazole886905-00-6C18H20N2O2S
- 1-(4-Methylbenzyl)-2-(propylsulfonyl)-1H-benzo[d]imidazole886905-12-0C18H20N2O2S
- 2-Ethyl-4-(1-pyrrolidyl)-2H-naphtho[2,1-e]-1,2-thiazine-1,1-dioxide61764-57-6C18H20N2O2S
- 3-Methyl-1-(2-methylpropyl)-6-(phenylmethyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione216685-25-5C18H20N2O2S
- N1-(4-methylbenzyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1207041-40-4C18H20N2O2S
- N1-(4-ethylphenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1207041-78-8C18H20N2O2S
- N1-phenethyl-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1207009-03-7C18H20N2O2S
- N1-(3,4-dimethylphenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1203275-95-9C18H20N2O2S
- N1-(2,5-dimethylphenyl)-N2-((1-(thiophen-2-yl)cyclopropyl)methyl)oxalamide1207042-17-8C18H20N2O2S
- 1-((5-Benzoylthiophen-2-yl)methyl)-3-cyclopentylurea1797276-63-1C18H20N2O2S
- N1-phenyl-N2-((1-(thiophen-3-yl)cyclopentyl)methyl)oxalamide2034518-52-8C18H20N2O2S
- 2-(4-(Benzylamino)-3-ethynylphenyl)-N-methylethane-1-sulfonamide1268266-01-8C18H20N2O2S
- (E)-N-(2-Hydroxy-2-(1-methylindolin-5-yl)ethyl)-3-(thiophen-3-yl)acrylamide1706487-98-0C18H20N2O2S
- 5-(7-(o-Tolyl)-1,4-thiazepane-4-carbonyl)pyridin-2(1H)-one1706227-71-5C18H20N2O2S
- (E)-N-(Pyridin-3-yl(tetrahydro-2H-pyran-4-yl)methyl)-3-(thiophen-2-yl)acrylamide2035019-20-4C18H20N2O2S
- (3-(Pyridin-3-yloxy)azetidin-1-yl)(1-(thiophen-2-yl)cyclopentyl)methanone1904167-76-5C18H20N2O2S
- 2-(Benzylthio)-1-(3-(pyridin-4-yloxy)pyrrolidin-1-yl)ethanone2034432-01-2C18H20N2O2S
- (2-(Ethylthio)phenyl)(3-(pyridin-4-yloxy)pyrrolidin-1-yl)methanone2034472-11-0C18H20N2O2S
- (2-(Methylthio)phenyl)(3-(pyridin-4-yloxy)piperidin-1-yl)methanone2034618-87-4C18H20N2O2S
- 3-(Phenylthio)-1-(3-(pyridin-4-yloxy)pyrrolidin-1-yl)propan-1-one2034494-98-7C18H20N2O2S
- (4-Methylthiophen-2-yl)((1R,5S)-3-(pyridin-3-yloxy)-8-azabicyclo[3.2.1]octan-8-yl)methanone2108471-77-6C18H20N2O2S
- 1-((1R,5S)-3-(Pyridin-3-yloxy)-8-azabicyclo[3.2.1]octan-8-yl)-2-(thiophen-3-yl)ethanone2109278-57-9C18H20N2O2S
- N-(5-Hydroxy-3-(thiophen-2-yl)pentyl)-1H-indole-2-carboxamide2034311-95-8C18H20N2O2S
- N-[5-Hydroxy-3-(thiophen-3-yl)pentyl]-1H-indole-2-carboxamide2034467-25-7C18H20N2O2S
- 2-(Dimethylamino)propyl 10H-phenothiazine-2-carboxylate10553-90-9C18H20N2O2S
- 5,6-Dimethyl-1-[(2,3,4-trimethylphenyl)sulfonyl]benzimidazole433971-37-0C18H20N2O2S
- N-[(2,6-Dimethylphenyl)carbamothioyl]-4-ethoxybenzamide428842-75-5C18H20N2O2S
- N-[(3,4-Dimethylphenyl)carbamothioyl]-4-ethoxybenzamide429622-32-2C18H20N2O2S
- N-[(5-Ethyl-2-hydroxyphenyl)carbamothioyl]-3,4-dimethylbenzamide330826-46-5C18H20N2O2S
- N-[(5-tert-Butyl-2-hydroxyphenyl)carbamothioyl]benzamide429652-95-9C18H20N2O2S
- (E)-N-[(4-Butylphenyl)carbamothioyl]-3-(furan-2-yl)prop-2-enamide429644-19-9C18H20N2O2S
- 4-Butoxy-N-(phenylcarbamothioyl)benzamide428466-93-7C18H20N2O2S
- N-(3-Acetamidophenyl)-3-(4-methylphenyl)sulfanylpropanamide915912-87-7C18H20N2O2S
- 2-Methylpropyl 4-(phenylcarbamothioylamino)benzoate17180-07-3C18H20N2O2S
- N-[4-(Acetylamino)phenyl]-2-(propan-2-ylsulfanyl)benzamide905790-43-4C18H20N2O2S
- N-[(E)-(2-But-3-enylphenyl)methylideneamino]-4-methylbenzenesulfonamide74346-46-6C18H20N2O2S
- N-(1-Butyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)thiophene-2-carboxamide941910-84-5C18H20N2O2S
- 2-(Isopropylsulfonyl)-1-(2-methylbenzyl)-1H-benzo[d]imidazole886903-59-9C18H20N2O2S
- 2-(3-Methoxyphenyl)-N-(o-tolyl)thiazolidine-3-carboxamide2034484-81-4C18H20N2O2S
- N-Ethyl-N-phenyl-2-((tetrahydrothiophen-3-yl)oxy)isonicotinamide2034497-22-6C18H20N2O2S
- N-(2-Ethylphenyl)-2-((tetrahydrothiophen-3-yl)oxy)isonicotinamide2034360-91-1C18H20N2O2S
- N-Phenethyl-2-((tetrahydrothiophen-3-yl)oxy)nicotinamide2034240-71-4C18H20N2O2S
- N-[2-(Cyclohex-1-en-1-yl)ethyl]-4-(1,3-thiazol-2-yloxy)benzamide1903096-31-0C18H20N2O2S
- N-[(1S)-2-Oxo-1-phenyl-2-(1-pyrrolidinyl)ethyl]-2-thiopheneacetamide1217644-90-0C18H20N2O2S
- 3-(2,3-Dihydro-1-benzofuran-5-yl)-N-[(thiophen-2-yl)methyl]pyrrolidine-1-carboxamide2097919-55-4C18H20N2O2S
- 2-Ethyl-6-methyl-4-[5-(5-propyl-thiophen-2-yl)-[1,2,4]oxadiazol-3-yl]-phenol1010113-80-0C18H20N2O2S
- N-[[4-(4-Phenyl-1,3-thiazol-2-yl)oxan-4-yl]methyl]prop-2-enamide2305455-07-4C18H20N2O2S
Frequently asked questions
What is the molar mass of C18H20N2O2S?
The molar mass of C18H20N2O2S is 328.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 328.1245 Da.
How many compounds have the formula C18H20N2O2S?
CompoundList lists 225 compounds with the molecular formula C18H20N2O2S, including N-(1-(Thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)isobutyramide, N-(4-Methyl-3-(2-oxopiperidin-1-yl)phenyl)-2-(thiophen-3-yl)acetamide, N-[(2,5-Dimethylphenyl)carbamothioyl]-3-ethoxybenzamide. 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 C18H20N2O2S?
C18H20N2O2S has a degree of unsaturation of 10. 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.