Molecular formula
C18H15NO4S
114 compounds have this formula on CompoundList.
- Molar mass
- 341.38g/mol
- Monoisotopic mass
- 341.0722Da
- Atoms
- 39
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H15NO4S describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 4 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 × 1863.33%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.43%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 14.10%14.007 × 1 = 14.007 g/mol
- O Oxygen × 418.75%15.999 × 4 = 63.996 g/mol
- S Sulfur × 19.39%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H15NO4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 114 compounds
![2-{[1-(4-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid chemical structure, C18H15NO4S, CAS 301307-88-0](/s/CPZZDLSITZBBJF-UHFFFAOYSA-N.svg)
2-{[1-(4-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid
CAS 301307-88-0C18H15NO4S
2-(1-Benzyl-2,5-dioxo-pyrrolidin-3-ylsulfanyl)-benzoic acid
CAS 308293-16-5C18H15NO4S
4-(Naphthalene-2-sulfonamidomethyl)benzoic acid
CAS 208176-29-8C18H15NO4S
![4-[2-(2-Carboxyethyl)-5-thiophen-2-ylpyrrol-1-yl]benzoic acid chemical structure, C18H15NO4S, CAS 693821-70-4](/s/RISAHTSTFIWXOL-UHFFFAOYSA-N.svg)
4-[2-(2-Carboxyethyl)-5-thiophen-2-ylpyrrol-1-yl]benzoic acid
CAS 693821-70-4C18H15NO4S
![2-{[1-(2-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid chemical structure, C18H15NO4S, CAS 301683-43-2](/s/QWPRCIGYEPLAMY-UHFFFAOYSA-N.svg)
2-{[1-(2-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid
CAS 301683-43-2C18H15NO4S
![Methyl 2-[(1-benzofuran-2-ylcarbonyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate chemical structure, C18H15NO4S, CAS 302803-17-4](/s/UESRWWJENVRBLU-UHFFFAOYSA-N.svg)
Methyl 2-[(1-benzofuran-2-ylcarbonyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate
CAS 302803-17-4C18H15NO4S
7,8-Dimethoxy-1-oxo-N-phenyl-1H-isothiochromene-3-carboxamide
CAS 622352-49-2C18H15NO4S
![2-[4-(Naphthalene-2-sulfonamido)phenyl]acetic acid chemical structure, C18H15NO4S, CAS 342373-21-1](/s/DMWBQJUULJVOPA-UHFFFAOYSA-N.svg)
2-[4-(Naphthalene-2-sulfonamido)phenyl]acetic acid
CAS 342373-21-1C18H15NO4S
![2-{[1-(3-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid chemical structure, C18H15NO4S, CAS 512837-95-5](/s/ORKFBYIPMPEPIJ-UHFFFAOYSA-N.svg)
2-{[1-(3-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid
CAS 512837-95-5C18H15NO4S
![1-(4-Methoxyphenyl)-2-(7-methyl[1,3]dioxolo[4,5-f][1,3]benzothiazol-6(7H)-ylidene)ethanone chemical structure, C18H15NO4S, CAS 1164487-58-4](/s/FIWZFLHIRYSPQG-QGMBQPNBSA-N.svg)
1-(4-Methoxyphenyl)-2-(7-methyl[1,3]dioxolo[4,5-f][1,3]benzothiazol-6(7H)-ylidene)ethanone
CAS 1164487-58-4C18H15NO4S
N-(1,3-Benzodioxol-5-yl)-3-(methylsulfanylmethyl)-1-benzofuran-2-carboxamide
CAS 796109-89-2C18H15NO4S
5-(4-Methoxybenzylidene)-3-(2-methoxyphenyl)-1,3-thiazolidine-2,4-dione
CAS 304894-27-7C18H15NO4S
(Z)-3-(4-Ethoxyphenyl)-5-((E)-3-(furan-2-yl)allylidene)thiazolidine-2,4-dione
CAS 877804-30-3C18H15NO4S
5-(Benzyloxy)-4-oxo-N-(thiophen-2-ylmethyl)-4H-pyran-2-carboxamide
CAS 1021134-54-2C18H15NO4S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)naphthalene-2-sulfonamide
CAS 98341-69-6C18H15NO4S
2-Furancarboxamide, N-(3-methoxyphenyl)-5-(phenylsulfinyl)-
CAS 779327-16-1C18H15NO4S
(E)-Ethyl 3-(3-(thiophen-2-yl)acrylamido)benzofuran-2-carboxylate
CAS 477500-90-6C18H15NO4S
![N-(Naphthalen-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide chemical structure, C18H15NO4S, CAS 315693-33-5](/s/OMISXEFABJZMOB-UHFFFAOYSA-N.svg)
N-(Naphthalen-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-6-sulfonamide
CAS 315693-33-5C18H15NO4S
![1-Naphthalenecarboxylic acid, 2-[[(4-methylphenyl)sulfonyl]amino]- chemical structure, C18H15NO4S, CAS 134864-08-7](/s/NSGPOZDEJLOREF-UHFFFAOYSA-N.svg)
1-Naphthalenecarboxylic acid, 2-[[(4-methylphenyl)sulfonyl]amino]-
CAS 134864-08-7C18H15NO4S
2-(1-Benzofuran-2-amido)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid
CAS 315679-45-9C18H15NO4S
![2-[(Furan-2-carbonyl)-amino]-4-phenyl-thiophene-3-carboxylic acid ethyl ester chemical structure, C18H15NO4S, CAS 299419-81-1](/s/NESYASOWQBQIEX-UHFFFAOYSA-N.svg)
2-[(Furan-2-carbonyl)-amino]-4-phenyl-thiophene-3-carboxylic acid ethyl ester
CAS 299419-81-1C18H15NO4S
![Methyl 4-[(2-naphthylsulfonyl)amino]benzoate chemical structure, C18H15NO4S, CAS 327094-25-7](/s/CRDKWTKQTKMXMS-UHFFFAOYSA-N.svg)
Methyl 4-[(2-naphthylsulfonyl)amino]benzoate
CAS 327094-25-7C18H15NO4S
((2-Naphthylsulfonyl)amino)(phenyl)acetic acid
CAS 115269-30-2C18H15NO4S
2-(Pyrrolidin-1-ylsulfonyl)anthracene-9,10-dione
CAS 331274-62-5C18H15NO4S
- Methyl 3-(5-(benzylcarbamoyl)furan-2-yl)thiophene-2-carboxylate477851-63-1C18H15NO4S
- 3-{1-[(4-Methylphenyl)sulfonyl]-1H-indol-3-yl}acrylic acid298187-97-0C18H15NO4S
- 1-[(4-Methoxyphenyl)sulfonyl]-5-phenyl-1H-pyrrole-3-carbaldehyde881673-37-6C18H15NO4S
- Ethyl 2-[(2-furylcarbonyl)amino]-5-phenyl-3-thiophenecarboxylate329924-72-3C18H15NO4S
- N-(1,3-Benzodioxol-5-ylmethyl)naphthalene-2-sulfonamide324068-34-0C18H15NO4S
- Methyl 3-(naphthalene-2-sulfonamido)benzoate182681-38-5C18H15NO4S
- N-(9-Oxo-7,8-dihydro-6H-dibenzofuran-2-yl)benzenesulfonamide406474-27-9C18H15NO4S
- N-[2-Oxo-2-(thiophen-2-yl)ethyl]-5-(phenoxymethyl)furan-2-carboxamide878694-89-4C18H15NO4S
- 4-(Acetylamino)phenyl naphthalene-2-sulfonate491603-74-8C18H15NO4S
- Methyl 2-(2-furoylamino)-4-(4-methylphenyl)-3-thiophenecarboxylate547698-47-5C18H15NO4S
- Methyl 3-(3-methoxybenzamido)benzo[b]thiophene-2-carboxylate477490-21-4C18H15NO4S
- Methyl 3-(4-methoxybenzamido)benzo[b]thiophene-2-carboxylate477490-20-3C18H15NO4S
- N-(2,5-Dimethoxyphenyl)-1-oxo-1H-isothiochromene-3-carboxamide950287-14-6C18H15NO4S
- 3-(3,4-Dihydroisoquinolin-2(1H)-ylsulfonyl)-2H-chromen-2-one950281-19-3C18H15NO4S
- 2-[[3-(1,3-Dioxoisoindoline-2-yl)propyl]thio]benzoic acid324779-92-2C18H15NO4S
- (5E)-5-[(4-Hydroxy-3-methoxyphenyl)methylidene]-3-(2-methylphenyl)-1,3-thiazolidine-2,4-dione857961-47-8C18H15NO4S
- N-(Furan-3-ylmethyl)-N-(thiophen-2-ylmethyl)benzo[d][1,3]dioxole-5-carboxamide1421504-88-2C18H15NO4S
- 4-((1-(Benzo[b]thiophene-2-carbonyl)azetidin-3-yl)oxy)-6-methyl-2H-pyran-2-one1798639-74-3C18H15NO4S
- (5Z)-5-[(3-Ethoxy-2-hydroxyphenyl)methylidene]-3-phenyl-1,3-thiazolidine-2,4-dione5735-40-0C18H15NO4S
- (7-Methyl-2-oxo-2H-chromen-4-yl)methyl 2-(methylsulfanyl)pyridine-3-carboxylate571933-15-8C18H15NO4S
- 6-(1,2,3,4-Tetrahydroisoquinoline-2-sulfonyl)-2H-chromen-2-one838873-97-5C18H15NO4S
- (E)-4-Ethoxy-N-(4-oxonaphthalen-1(4H)-ylidene)benzenesulfonamide463353-04-0C18H15NO4S
- (E)-N-(4-(Benzo[d][1,3]dioxol-5-yloxy)but-2-yn-1-yl)-3-(thiophen-2-yl)acrylamide1428381-73-0C18H15NO4S
- 8-Hydroxy-3-methyl-7-(4-(methylsulfonyl)phenyl)isoquinoline-5-carbaldehyde2241145-66-2C18H15NO4S
- N-(2-Hydroxyphenyl)-2-naphthalen-2-ylsulfonylacetamide825655-39-8C18H15NO4S
- 6-[(2-Methylindolinyl)sulfonyl]chromen-2-one728017-11-6C18H15NO4S
- (5E)-5-[(4-Hydroxy-3-methoxyphenyl)methylidene]-3-(3-methylphenyl)-1,3-thiazolidine-2,4-dione109807-30-9C18H15NO4S
- 2-{2-[4-(4-Methoxyphenoxy)phenyl]-1,3-thiazol-4-yl}acetic acid938120-36-6C18H15NO4S
- 5,5-Dioxo-6-phenyl-8,9-dihydro-7aH-pyrrolo[2,1-d][1,5]benzothiazepine-7,10-dione39231-73-7C18H15NO4S
- Methyl 2-[(1-naphthylsulfonyl)amino]benzoate663595-72-0C18H15NO4S
- 4-Acetylphenyl 3-(2-oxobenzo[d]thiazol-3(2H)-yl)propanoate862692-20-4C18H15NO4S
- 2-[5-(4-Cyanophenyl)-1-benzofuran-2-yl]ethyl methanesulfonate460746-49-0C18H15NO4S
- 2-[4-(4-Methoxyphenoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid938266-12-7C18H15NO4S
- Ethyl 3-(furan-2-amido)-5-phenylthiophene-2-carboxylate392290-09-4C18H15NO4S
- N-((5-(Furan-2-carbonyl)thiophen-2-yl)methyl)-2-phenoxyacetamide1797613-11-6C18H15NO4S
- N-((5-(Furan-2-carbonyl)thiophen-2-yl)methyl)-2-methoxybenzamide1797613-18-3C18H15NO4S
- N-(2-(Benzo[b]thiophen-3-yl)-2-hydroxyethyl)benzo[d][1,3]dioxole-5-carboxamide2034405-35-9C18H15NO4S
- Methyl 4-(((5-(thiophen-3-yl)furan-2-yl)methyl)carbamoyl)benzoate2034564-33-3C18H15NO4S
- N-((5-(Thiophen-3-yl)furan-2-yl)methyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide2034254-21-0C18H15NO4S
- (Z)-5-(2,4-Dimethoxybenzylidene)-3-phenylthiazolidine-2,4-dione340972-72-7C18H15NO4S
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-4-(phenylsulfanyl)butanoic acid137278-28-5C18H15NO4S
- 1H-Pyrrole, 3-(4-methoxybenzoyl)-1-(phenylsulfonyl)-91917-45-2C18H15NO4S
- 1,5-Benzothiazepin-4(5H)-one, 3-(acetyloxy)-2-(4-methoxyphenyl)-97801-78-0C18H15NO4S
- 6-(1,2,3,4-Tetrahydroquinolylsulfonyl)chromen-2-one1206139-62-9C18H15NO4S
- N-[2-(Furan-2-yl)-2-(thiophen-2-yl)ethyl]-2H-1,3-benzodioxole-5-carboxamide2097935-49-2C18H15NO4S
- N-[2-(Furan-2-yl)-2-(thiophen-3-yl)ethyl]-2H-1,3-benzodioxole-5-carboxamide2097919-23-6C18H15NO4S
- N-{[4-(Furan-2-yl)thiophen-2-yl]methyl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide2379997-69-8C18H15NO4S
- N-{[4-(Furan-3-yl)thiophen-2-yl]methyl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide2380044-74-4C18H15NO4S
- 4-Ethynyl-1,4-dihydro-5-methyl-1-[(4-methylphenyl)sulfonyl]-2H-3,1-benzoxazin-2-one2236555-88-5C18H15NO4S
- 4-Ethynyl-1,4-dihydro-8-methyl-1-[(4-methylphenyl)sulfonyl]-2H-3,1-benzoxazin-2-one2005451-25-0C18H15NO4S
- 4-Ethynyl-4-methyl-1-tosyl-1,4-dihydro-2H-benzo[d][1,3]oxazin-2-one2210312-81-3C18H15NO4S
- N-(5-Hydroxy-2-phenoxyphenyl)benzenesulfonamide123664-83-5C18H15NO4S
- 7-(N-(3-Ethynylphenyl)sulfamoyl)-2,3-dihydro-1H-indene-5-carboxylic acid1259098-39-9C18H15NO4S
- (4-Hydroxy-3,5-dimethoxyphenyl)(2-phenyl-4-thiazolyl)methanone1332881-54-5C18H15NO4S
- 1-Hydroxy-N-[4-(methanesulfonyl)phenyl]naphthalene-2-carboxamide199929-33-4C18H15NO4S
- 4-(Benzo[d]thiazol-2-yl)-5,7-diMethoxychroMan-2-one1427192-75-3C18H15NO4S
- Methyl 4-({[4-(furan-2-yl)thiophen-2-yl]methyl}carbamoyl)benzoate2380040-27-5C18H15NO4S
- 3-({[(Benzyloxy)carbonyl]amino}methyl)-1-benzothiophene-2-carboxylic acid2287298-38-6C18H15NO4S
- (4-Acetyl-2-benzylidene-3-oxo-3,4-dihydro-2H-thieno[3,2-b]pyrrol-6-yl)methyl acetate2183-20-2C18H15NO4S
- 4-Ethynyl-1,4-dihydro-6-methyl-1-[(4-methylphenyl)sulfonyl]-2H-3,1-benzoxazin-2-one1958012-13-9C18H15NO4S
- Acetic acid, ((4-((hydroxyimino)(5-methyl-2-thienyl)methyl)-1-naphthalenyl)oxy)-, hydrate (2:1)68572-35-0C18H15NO4S
- 5(4H)-Oxazolone, 2-phenyl-4-(phenylsulfonyl)-4-(2-propen-1-yl)-930775-48-7C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(propylsulfanyl)benzoate2248402-93-7C18H15NO4S
- 2H-1-Benzopyran-3-carbothioamide, N-(4-ethoxyphenyl)-4-hydroxy-2-oxo-89999-07-5C18H15NO4S
- N-{[4-(Furan-2-yl)thiophen-2-yl]methyl}-2,3-dihydro-1,4-benzodioxine-5-carboxamide2415453-39-1C18H15NO4S
- Methyl 4-({[4-(furan-3-yl)thiophen-2-yl]methyl}carbamoyl)benzoate2415517-42-7C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(2,5-dimethylphenyl)sulfanyl]acetate2248352-64-7C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-[4-(methylsulfanyl)phenyl]propanoate2248288-68-6C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(propan-2-ylsulfanyl)benzoate2248288-75-5C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(ethylsulfanyl)methyl]benzoate2248317-09-9C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[4-(ethylsulfanyl)phenyl]acetate2248336-14-1C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4H,5H,6H,7H,8H-cyclohepta[b]thiophene-2-carboxylate2248416-08-0C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(4-methylphenyl)sulfanyl]propanoate2248280-59-1C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate2248315-10-6C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-[(4-methylphenyl)sulfanyl]propanoate2248395-97-1C18H15NO4S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(2,4-dimethylphenyl)sulfanyl]acetate2248349-23-5C18H15NO4S
Frequently asked questions
What is the molar mass of C18H15NO4S?
The molar mass of C18H15NO4S is 341.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 341.0722 Da.
How many compounds have the formula C18H15NO4S?
CompoundList lists 114 compounds with the molecular formula C18H15NO4S, including 2-{[1-(4-Methylphenyl)-2,5-dioxopyrrolidin-3-yl]sulfanyl}benzoic acid, 2-(1-Benzyl-2,5-dioxo-pyrrolidin-3-ylsulfanyl)-benzoic acid, 4-(Naphthalene-2-sulfonamidomethyl)benzoic acid. 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 C18H15NO4S?
C18H15NO4S 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.