Molecular formula
C18H21NO2S
133 compounds have this formula on CompoundList.
- Molar mass
- 315.43g/mol
- Monoisotopic mass
- 315.1293Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 9
The formula C18H21NO2S describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 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 × 1868.54%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 216.71%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 14.44%14.007 × 1 = 14.007 g/mol
- O Oxygen × 210.14%15.999 × 2 = 31.998 g/mol
- S Sulfur × 110.16%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H21NO2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 133 compounds
Di-deacetyl adrogolide
CAS 171961-95-8C18H21NO2S
![1-[(2,4,6-Trimethylphenyl)sulfonyl]-1,2,3,4-tetrahydroquinoline chemical structure, C18H21NO2S, CAS 326899-59-6](/s/YDUJUUVGZIPXJO-UHFFFAOYSA-N.svg)
1-[(2,4,6-Trimethylphenyl)sulfonyl]-1,2,3,4-tetrahydroquinoline
CAS 326899-59-6C18H21NO2S
N-(4-Methylbenzyl)-4-(thiophen-2-yl)tetrahydro-2H-pyran-4-carboxamide
CAS 877649-87-1C18H21NO2S
N-(3,5-Dimethylphenyl)-4-thiophen-2-yloxane-4-carboxamide
CAS 877650-04-9C18H21NO2S
N-(1-Phenylethyl)-4-(thiophen-2-yl)tetrahydro-2H-pyran-4-carboxamide
CAS 877651-16-6C18H21NO2S
N-(3,4-Dimethylphenyl)-4-thiophen-2-yloxane-4-carboxamide
CAS 877633-67-5C18H21NO2S
2-(2-Methoxyethylsulfanyl)-N-(2-phenylethyl)benzamide
CAS 710990-36-6C18H21NO2S
![N-[2-(4-Methoxyphenyl)ethyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide chemical structure, C18H21NO2S, CAS 618394-99-3](/s/UJGWPBVCZNBHPD-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)ethyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 618394-99-3C18H21NO2S
N-(3,5-Dimethylphenyl)-2-(2-methoxyethylsulfanyl)benzamide
CAS 710989-66-5C18H21NO2S
![N-(4-Methoxybenzyl)-2-[(4-methylphenyl)sulfanyl]propanamide chemical structure, C18H21NO2S, CAS 694502-15-3](/s/ILIRVBRVPBZLFA-UHFFFAOYSA-N.svg)
N-(4-Methoxybenzyl)-2-[(4-methylphenyl)sulfanyl]propanamide
CAS 694502-15-3C18H21NO2S
![N-(2-Methoxybenzyl)-2-[(4-methylphenyl)sulfanyl]propanamide chemical structure, C18H21NO2S, CAS 640719-61-5](/s/OZSIUEYVDJUWSI-UHFFFAOYSA-N.svg)
N-(2-Methoxybenzyl)-2-[(4-methylphenyl)sulfanyl]propanamide
CAS 640719-61-5C18H21NO2S
2-(4-Methylphenyl)-N-(2-((4-methylphenyl)sulfinyl)ethyl)acetamide
CAS 477710-74-0C18H21NO2S
![2-Methoxy-N-{2-[(4-methylbenzyl)sulfanyl]ethyl}benzamide chemical structure, C18H21NO2S, CAS 694485-44-4](/s/XDVYQBYYYNFTOO-UHFFFAOYSA-N.svg)
2-Methoxy-N-{2-[(4-methylbenzyl)sulfanyl]ethyl}benzamide
CAS 694485-44-4C18H21NO2S
![4-Methoxy-N-{2-[(4-methylbenzyl)sulfanyl]ethyl}benzamide chemical structure, C18H21NO2S, CAS 367912-78-5](/s/RDWCMCYDXXEKDR-UHFFFAOYSA-N.svg)
4-Methoxy-N-{2-[(4-methylbenzyl)sulfanyl]ethyl}benzamide
CAS 367912-78-5C18H21NO2S
![Indan-5-yl[(2,4,6-trimethylphenyl)sulfonyl]amine chemical structure, C18H21NO2S, CAS 496778-01-9](/s/SINQWQGSNLHLHG-UHFFFAOYSA-N.svg)
Indan-5-yl[(2,4,6-trimethylphenyl)sulfonyl]amine
CAS 496778-01-9C18H21NO2S
![N-[(4-Methoxyphenyl)methyl]-4-phenylsulfanylbutanamide chemical structure, C18H21NO2S, CAS 736150-13-3](/s/DLVTWNVYIHOWAV-UHFFFAOYSA-N.svg)
N-[(4-Methoxyphenyl)methyl]-4-phenylsulfanylbutanamide
CAS 736150-13-3C18H21NO2S
![N-[(3-Methoxyphenyl)methyl]-4-phenylsulfanylbutanamide chemical structure, C18H21NO2S, CAS 853571-68-3](/s/SIQDRQOTQQJVRC-UHFFFAOYSA-N.svg)
N-[(3-Methoxyphenyl)methyl]-4-phenylsulfanylbutanamide
CAS 853571-68-3C18H21NO2S
1-(Benzenesulfonyl)-4-benzylpiperidine
CAS 260428-50-0C18H21NO2S
![N-[(1-Phenylcyclopentyl)methyl]benzenesulfonamide chemical structure, C18H21NO2S, CAS 332024-93-8](/s/QLOFQQGORVQTDX-UHFFFAOYSA-N.svg)
N-[(1-Phenylcyclopentyl)methyl]benzenesulfonamide
CAS 332024-93-8C18H21NO2S
N-Phenethyl-4-(thiophen-2-yl)tetrahydro-2H-pyran-4-carboxamide
CAS 877651-24-6C18H21NO2S
N-(4-Ethoxyphenyl)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 846026-28-6C18H21NO2S
N-Cyclopropyl-3-(4-methoxyphenyl)-N-(thiophen-3-ylmethyl)propanamide
CAS 1234840-00-6C18H21NO2S
RE 11775
CAS 25474-41-3C18H21NO2S
2-(Ethylthio)-N-(2-hydroxy-3-phenylpropyl)benzamide
CAS 1351632-33-1C18H21NO2S
- 1-[4-(4-Methylphenyl)phenyl]sulfonylpiperidine670272-04-5C18H21NO2S
- 1-[(4-Methylphenyl)sulfonyl]-4-phenylpiperidine143632-57-9C18H21NO2S
- 1-(4-tert-Butylphenyl)sulfonyl-2,3-dihydroindole522598-19-2C18H21NO2S
- N-(2,4-Dimethylphenyl)-4-thiophen-2-yloxane-4-carboxamide877633-69-7C18H21NO2S
- N-Benzyl-4-((4-methoxyphenyl)thio)butanamide942003-10-3C18H21NO2S
- 2-Phenoxy-N-{[1-(thiophen-2-yl)cyclopentyl]methyl}acetamide1060213-67-3C18H21NO2S
- N-(2-Methoxybenzyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1049554-47-3C18H21NO2S
- N-(4-Ethoxyphenyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1049512-77-7C18H21NO2S
- N-(4-Methoxybenzyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1049525-40-7C18H21NO2S
- Methyl 2-amino-4-(4-cyclohexylphenyl)thiophene-3-carboxylate350997-15-8C18H21NO2S
- [(2,3,5,6-Tetramethylphenyl)sulfonyl]indoline521318-29-6C18H21NO2S
- N-(2-Methoxy-5-methylphenyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1049524-83-5C18H21NO2S
- Isopropyl 2-amino-6-phenyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate438214-76-7C18H21NO2S
- Propyl 2-amino-6-phenyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate904999-05-9C18H21NO2S
- N-[2-(Cyclohexen-1-yl)ethyl]naphthalene-2-sulfonamide700861-71-8C18H21NO2S
- N-(1-Methoxypropan-2-yl)-2-phenyl-2-phenylsulfanylacetamide349539-04-4C18H21NO2S
- (2,6-Dimethylmorpholin-4-yl)(4-methyl-5-phenylthiophen-2-yl)methanone959242-23-0C18H21NO2S
- Morpholine, 4-(2-(1,2,3,5,6,7-hexahydro-S-indacen-4-yl)-2-oxo-1-thioxoethyl)-65935-72-0C18H21NO2S
- N-(4-((2-(3-Ethylphenoxy)ethyl)thio)phenyl)acetamide853697-09-3C18H21NO2S
- 2-[(2,4,5-Trimethylphenyl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline496015-59-9C18H21NO2S
- N-[2-(4-Methoxyphenyl)ethyl]-3-(phenylsulfanyl)propanamide428486-48-0C18H21NO2S
- N-(3-Methoxybenzyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1049525-94-1C18H21NO2S
- 2-[(2,3,4-Trimethylphenyl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline496015-58-8C18H21NO2S
- N-(2-Ethoxyphenyl)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide824941-98-2C18H21NO2S
- 2-Methoxy-4-(methylsulfanyl)-N-(2,4,6-trimethylphenyl)benzamide348593-32-8C18H21NO2S
- 1-(4-(Thiophen-3-yl)piperidin-1-yl)-2-(o-tolyloxy)ethanone1396878-55-9C18H21NO2S
- N-(2-Methoxybenzyl)-2-[(2-methylbenzyl)sulfanyl]acetamide367933-50-4C18H21NO2S
- N-(2-Methoxybenzyl)-2-[(4-methylbenzyl)sulfanyl]acetamide428475-21-2C18H21NO2S
- 4-(4-Methoxyphenyl)-N-[3-(methylsulfanyl)phenyl]butanamide431885-22-2C18H21NO2S
- N-(2-Ethoxyphenyl)-2-[(2-methylbenzyl)sulfanyl]acetamide425418-94-6C18H21NO2S
- N-(4-Methoxybenzyl)-3-[(4-methylphenyl)sulfanyl]propanamide694508-78-6C18H21NO2S
- 2-(4-Propylphenyl)sulfonyl-3,4-dihydro-1H-isoquinoline587852-57-1C18H21NO2S
- N-(3-Methoxypropyl)-2-phenyl-2-(phenylsulfanyl)acetamide349435-00-3C18H21NO2S
- N-[(2-Methoxyphenyl)methyl]-2-propylsulfanylbenzamide881789-24-8C18H21NO2S
- 3,3-Dimethyl-2-tosyl-1,2,3,4-tetrahydroisoquinoline200631-40-9C18H21NO2S
- Ethyl 6-benzyl-5,6,7,8-tetrahydro-4H-thieno[2,3-d]azepine-2-carboxylate83621-45-8C18H21NO2S
- N-{[1-(4-Methoxyphenyl)cyclopentyl]methyl}thiophene-2-carboxamide1091474-00-8C18H21NO2S
- 2-(4-Ethoxyphenyl)-N-((1-(thiophen-2-yl)cyclopropyl)methyl)acetamide1203289-76-2C18H21NO2S
- 1-(4-(Thiophen-2-yl)piperidin-1-yl)-2-(o-tolyloxy)ethanone1396761-47-9C18H21NO2S
- N-(Furan-2-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)cyclohex-3-enecarboxamide1396631-58-5C18H21NO2S
- 1-(4-Methoxyphenyl)-2-(4-(thiophen-2-yl)piperidin-1-yl)ethanone1396747-38-8C18H21NO2S
- N-[2-(2,6-Dimethylphenoxy)ethyl]-2-methylsulfanylbenzamide519018-67-8C18H21NO2S
- N-(2-Methoxyethyl)-4-[(4-methylphenyl)sulfanylmethyl]benzamide714258-76-1C18H21NO2S
- N-Cyclohexyl-5-(phenylsulfanylmethyl)furan-2-carboxamide874465-27-7C18H21NO2S
- Morpholin-4-yl{5-[4-(propan-2-yl)phenyl]furan-2-yl}methanethione919726-01-5C18H21NO2S
- N-[(4-Phenyloxan-4-yl)methyl]-2-(thiophen-2-yl)acetamide1091123-05-5C18H21NO2S
- N-(2-Ethoxyphenyl)-1-(thiophen-2-yl)cyclopentane-1-carboxamide1049514-84-2C18H21NO2S
- N-(2-Ethoxybenzyl)-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxamide1252819-23-0C18H21NO2S
- N-(4-Ethoxybenzyl)-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxamide1252901-55-5C18H21NO2S
- (3-((Benzyloxy)methyl)piperidin-1-yl)(thiophen-2-yl)methanone1251685-85-4C18H21NO2S
- N-[2-Cyclopropyl-2-hydroxy-2-(thiophen-2-yl)ethyl]-3-phenylpropanamide1396674-45-5C18H21NO2S
- 2-(4-Methoxyphenyl)-1-(4-(thiophen-2-yl)piperidin-1-yl)ethanone1396798-62-1C18H21NO2S
- N-(2-Hydroxy-2-methyl-3-(methylthio)propyl)-[1,1'-biphenyl]-4-carboxamide1396674-88-6C18H21NO2S
- (E)-N-(5-Hydroxy-3-phenylpentyl)-3-(thiophen-3-yl)acrylamide1799002-60-0C18H21NO2S
- 2-Methoxy-N-((1-(thiophen-3-yl)cyclopentyl)methyl)benzamide1903364-99-7C18H21NO2S
- 1-(4-(Thiophen-3-yloxy)piperidin-1-yl)-2-(m-tolyl)ethanone2034302-03-7C18H21NO2S
- 2-Methyl-1-[(2,3,4-trimethylphenyl)sulfonyl]indoline692763-10-3C18H21NO2S
- Benzenesulfonamide, 4-methyl-N-(2-phenylethyl)-N-2-propenyl-61357-22-0C18H21NO2S
- 2-Methyl-1-[(2,4,5-trimethylphenyl)sulfonyl]indoline873579-69-2C18H21NO2S
- 6-Thiophen-3-yl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester300553-50-8C18H21NO2S
- 2-Phenoxy-1-(4-(thiophen-2-yl)piperidin-1-yl)propan-1-one1396715-79-9C18H21NO2S
- 2-Phenoxy-1-[4-(thiophen-3-yl)piperidin-1-yl]propan-1-one1396869-49-0C18H21NO2S
- N-{2-Hydroxy-2-[4-(methylsulfanyl)phenyl]ethyl}-2,5-dimethylbenzamide1448043-25-1C18H21NO2S
- N-(2-Hydroxy-2-(4-(methylthio)phenyl)ethyl)-2-(m-tolyl)acetamide1448026-83-2C18H21NO2S
- N-(Furan-3-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)cyclohex-3-enecarboxamide1421528-17-7C18H21NO2S
- N-(2-Methoxy-2-(o-tolyl)ethyl)-2-(methylthio)benzamide1797877-72-5C18H21NO2S
- (E)-N-(2-Methoxy-2-phenylbutyl)-3-(thiophen-3-yl)acrylamide1798417-38-5C18H21NO2S
- (2,5-Dimethylfuran-3-yl)(7-phenyl-1,4-thiazepan-4-yl)methanone1797028-74-0C18H21NO2S
- 2-Methyl-N-(tetrahydro-2H-pyran-4-yl)-N-(thiophen-2-ylmethyl)benzamide1796970-37-0C18H21NO2S
- 1-(7-(Furan-2-yl)-1,4-thiazepan-4-yl)-2-(m-tolyl)ethanone1790202-84-4C18H21NO2S
- 3-Methoxy-N-((1-(thiophen-3-yl)cyclopentyl)methyl)benzamide2034574-74-6C18H21NO2S
- N-(5-Hydroxy-3-(thiophen-2-yl)pentyl)cinnamamide2035007-74-8C18H21NO2S
- 3-(Dibenzylamino)-3-methylthietane 1,1-dioxide1936219-91-8C18H21NO2S
- 2-(4-Ethoxyphenyl)-1-(3-(thiophen-3-yl)pyrrolidin-1-yl)ethan-1-one2177365-68-1C18H21NO2S
- 2-(Dimethylamino)ethyl phenyl(phenylsulfanyl)acetate32121-43-0C18H21NO2S
- 4-Cyclohexyl-n-phenylbenzenesulfonamide5230-07-9C18H21NO2S
Frequently asked questions
What is the molar mass of C18H21NO2S?
The molar mass of C18H21NO2S is 315.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 315.1293 Da.
How many compounds have the formula C18H21NO2S?
CompoundList lists 133 compounds with the molecular formula C18H21NO2S, including Di-deacetyl adrogolide, 1-[(2,4,6-Trimethylphenyl)sulfonyl]-1,2,3,4-tetrahydroquinoline, N-(4-Methylbenzyl)-4-(thiophen-2-yl)tetrahydro-2H-pyran-4-carboxamide. 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 C18H21NO2S?
C18H21NO2S has a degree of unsaturation of 9. 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.