Molecular formula
C18H15NO3S
90 compounds have this formula on CompoundList.
- Molar mass
- 325.38g/mol
- Monoisotopic mass
- 325.0773Da
- Atoms
- 38
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H15NO3S describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 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 × 1866.44%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.65%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 14.30%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.75%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.85%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H15NO3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 90 of 90 compounds
N-(4-Acetylphenyl)naphthalene-2-sulfonamide
CAS 324067-56-3C18H15NO3S
3-(1,3-Benzothiazol-2-yl)-4-(3-methoxyphenyl)but-3-enoic acid
CAS 748786-61-0C18H15NO3S
5-(4-Hydroxy-3-methoxybenzylidene)-2-(4-methylphenyl)-1,3-thiazol-4(5H)-one
CAS 5622-85-5C18H15NO3S
![3-[(E)-2-(4-Methoxyphenyl)ethenyl]-7,8-dihydro-6H-cyclopenta[2,3]thieno[2,4-d][1,3]oxazin-1-one chemical structure, C18H15NO3S, CAS 309936-90-1](/s/IEMQWULCWOCDKP-JXMROGBWSA-N.svg)
3-[(E)-2-(4-Methoxyphenyl)ethenyl]-7,8-dihydro-6H-cyclopenta[2,3]thieno[2,4-d][1,3]oxazin-1-one
CAS 309936-90-1C18H15NO3S
1-(3,4-Dihydroxyphenyl)-2-(4-methyl(2-quinolylthio))ethan-1-one
CAS 799256-18-1C18H15NO3S
![3-Methyl-5-{(Z)-[2-(4-methylphenoxy)phenyl]methylidene}-1,3-thiazolane-2,4-dione chemical structure, C18H15NO3S, CAS 1164529-72-9](/s/CKTKVWULWOADMZ-WJDWOHSUSA-N.svg)
3-Methyl-5-{(Z)-[2-(4-methylphenoxy)phenyl]methylidene}-1,3-thiazolane-2,4-dione
CAS 1164529-72-9C18H15NO3S
4-Methyl-6-phenyl-3-(phenylsulfonyl)-2(1H)-pyridinone
CAS 113123-47-0C18H15NO3S
N-(2-Hydroxy-naphthalen-1-ylmethylene)-4-methyl-benzenesulfonamide
CAS 314248-24-3C18H15NO3S
4-Ethyl-N-(4-oxonaphthalen-1-ylidene)benzenesulfonamide
CAS 463353-05-1C18H15NO3S
N-(4-Phenoxyphenyl)benzenesulfonamide
CAS 106149-18-2C18H15NO3S
Ethyl 2-benzamido-1-benzothiophene-3-carboxylate
CAS 355001-75-1C18H15NO3S
Methyl 3-(2-(naphthalen-1-yl)acetamido)thiophene-2-carboxylate
CAS 1031097-52-5C18H15NO3S
3-(1,3-Benzothiazol-2-yl)-4-(2-methoxyphenyl)but-3-enoic acid
CAS 748786-62-1C18H15NO3S
(E)-3-(1,3-Benzothiazol-2-yl)-4-(4-methoxyphenyl)but-3-enoic acid
CAS 748786-57-4C18H15NO3S
![Methyl 3-[2-(naphthalen-2-yl)acetamido]thiophene-2-carboxylate chemical structure, C18H15NO3S, CAS 1089543-53-2](/s/CDKKUYMXRKJKHI-UHFFFAOYSA-N.svg)
Methyl 3-[2-(naphthalen-2-yl)acetamido]thiophene-2-carboxylate
CAS 1089543-53-2C18H15NO3S
2-(4-(4-Methoxyphenyl)-2-phenylthiazol-5-yl)acetic acid
CAS 23821-59-2C18H15NO3S
(E)-7-Ethoxy-3-(3-oxo-3-(thiophen-2-yl)prop-1-en-1-yl)quinolin-2(1H)-one
CAS 374770-07-7C18H15NO3S
N-(4-(Methylsulfonyl)phenyl)-1-naphthamide
CAS 920389-86-2C18H15NO3S
Methyl 2-(2-(naphthalen-1-yl)acetamido)thiophene-3-carboxylate
CAS 864940-30-7C18H15NO3S
2-(Benzenesulfonyl)-N-naphthalen-1-ylacetamide
CAS 895462-51-8C18H15NO3S
3-Benzoyl-1-tosylpyrrole
CAS 139261-90-8C18H15NO3S
Methyl 4-(2-(naphthalen-1-yl)acetamido)thiophene-3-carboxylate
CAS 1262031-50-4C18H15NO3S
2-Furancarboxamide, N-(3-methoxyphenyl)-5-(phenylthio)-
CAS 779327-15-0C18H15NO3S
![4H-Furo[3,4-b]indole, 1,3-dimethyl-4-(phenylsulfonyl)- chemical structure, C18H15NO3S, CAS 89241-38-3](/s/QBCCASYEPMKURP-UHFFFAOYSA-N.svg)
4H-Furo[3,4-b]indole, 1,3-dimethyl-4-(phenylsulfonyl)-
CAS 89241-38-3C18H15NO3S
- (3,4-Dimethoxyphenyl)(2-phenylthiazol-4-yl)methanone1135797-90-8C18H15NO3S
- (3,5-Dimethoxyphenyl)(2-phenyl-4-thiazolyl)methanone1135797-93-1C18H15NO3S
- COH34 S-dioxideC18H15NO3S
- Methyl 2-[(4,5-diphenyl-1,3-oxazol-2-yl)sulfanyl]acetate391229-32-6C18H15NO3S
- N-(4-Methylbenzene-1-sulfonyl)naphthalene-1-carboxamide81589-31-3C18H15NO3S
- N-(2-Phenoxyphenyl)benzenesulfonamide106149-16-0C18H15NO3S
- N-(2-Ethoxyphenyl)-1-oxo-1H-isothiochromene-3-carboxamide933022-95-8C18H15NO3S
- 4-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-2-(p-tolyl)thiazole1020241-63-7C18H15NO3S
- 5H-1,3-Dioxolo(4,5-b)carbazole, 6,7,8,9-tetrahydro-5-(2-thenoyl)-50332-27-9C18H15NO3S
- N-(2-Methoxyphenyl)-N-[(Z)-(3-oxo-1-benzothiophen-2-ylidene)methyl]acetamide471883-55-3C18H15NO3S
- Methyl 4-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]benzenecarboxylate321430-11-9C18H15NO3S
- Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate339114-59-9C18H15NO3S
- Methyl 3-(4-methylbenzamido)benzo[b]thiophene-2-carboxylate477490-05-4C18H15NO3S
- Methyl 3-(2-methylbenzamido)benzo[b]thiophene-2-carboxylate477490-13-4C18H15NO3S
- 1-[(4-Methylphenyl)sulfonyl]-5-phenyl-1H-pyrrole-3-carbaldehyde881673-31-0C18H15NO3S
- Ethyl 2-(4-hydroxyphenyl)-4-phenylthiazole-5-carboxylate1858252-07-9C18H15NO3S
- Methyl 3-(3-methylbenzamido)benzo[b]thiophene-2-carboxylate477490-09-8C18H15NO3S
- N-Cyclopropyl-4-oxo-N-(thiophen-3-ylmethyl)-4H-chromene-2-carboxamide1235232-05-9C18H15NO3S
- (5Z)-3-Benzyl-5-[(2-methoxyphenyl)methylidene]-1,3-thiazolidine-2,4-dione2173600-70-7C18H15NO3S
- 5-(4-Hydroxybenzylidene)-3-(4-methylbenzyl)-1,3-thiazolidine-2,4-dione497082-26-5C18H15NO3S
- S-(4-Methylphenyl) 2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propanethioate611177-67-4C18H15NO3S
- 4-Methoxy-5-((4-phenoxyanilino)methylene)-2(5H)-thiophenone338395-10-1C18H15NO3S
- Ethyl 2-(naphthalene-2-carbonylamino)thiophene-3-carboxylate896680-54-9C18H15NO3S
- 4-(Diphenylamino)benzene-1-sulfonic acid303730-29-2C18H15NO3S
- Benzenesulfonamide, N-4-biphenylyl-N-hydroxy-29968-68-1C18H15NO3S
- Methyl 3-amino-5-(4-phenoxyphenyl)thiophene-2-carboxylate474843-41-9C18H15NO3S
- (2E,4E)-2-(Benzenesulfonyl)-5-(4-methoxyphenyl)penta-2,4-dienenitrile140138-86-9C18H15NO3S
- 3-Methylsulfonyl-N-naphthalen-1-ylbenzamide896295-54-8C18H15NO3S
- 4-Methyl-2-[4-(4-methylphenoxy)phenyl]-1,3-thiazole-5-carboxylicacid938245-65-9C18H15NO3S
- N-(2-Naphthalen-2-yl-2-oxo-ethyl)-benzenesulfonamide860514-44-9C18H15NO3S
- N-((5-(Furan-2-carbonyl)thiophen-2-yl)methyl)-2-methylbenzamide1797268-88-2C18H15NO3S
- (5Z)-5-(4-Methoxy-3-methylbenzylidene)-3-phenyl-1,3-thiazolidine-2,4-dione348577-24-2C18H15NO3S
- 2-(1-Formylnaphthalen-2-yl)oxy-N-(thiophen-2-ylmethyl)acetamide791081-62-4C18H15NO3S
- 2-Methylsulfonyl-N-naphthalen-1-ylbenzamide896369-93-0C18H15NO3S
- (5-Phenylisoxazol-3-yl)methyl 2-(methylthio)benzoate953013-80-4C18H15NO3S
- 3-Hydroxy-5-phenyl-1-(prop-2-en-1-yl)-4-(thiophen-2-ylcarbonyl)-1,5-dihydro-2H-pyrrol-2-one879926-76-8C18H15NO3S
- Methyl 2-(benzylsulfanyl)-4-hydroxyquinoline-3-carboxylate664370-60-9C18H15NO3S
- 2-{2-[4-(4-Methylphenoxy)phenyl]-1,3-thiazol-4-yl}acetic acid938294-11-2C18H15NO3S
- [1-(4-Methylbenzene-1-sulfonyl)-1H-pyrrol-2-yl](phenyl)methanone827024-03-3C18H15NO3S
- 2-Methyl-5-phenyl-1-(phenylsulfonyl)-1H-pyrrole-3-carbaldehyde881678-67-7C18H15NO3S
- 2-(3-(Thiophen-2-yl)pyrrolidine-1-carbonyl)-4H-chromen-4-one2176270-83-8C18H15NO3S
- N-(5-Hydroxynaphthalen-1-yl)-2-phenylethene-1-sulfonamide778621-67-3C18H15NO3S
- 5-[[2-[(4-Methylphenyl)methoxy]phenyl]methylene]-2,4-thiazolidinedione319452-63-6C18H15NO3S
- 4-Acetyl-N-1-naphthalenylbenzenesulfonamide56799-94-1C18H15NO3S
- 2-Phenyl-1-(1-(phenylsulfonyl)-1H-pyrrol-3-yl)ethanone96999-30-3C18H15NO3S
- N-[(Benzenesulfonyl)oxy]-N-phenylaniline923034-56-4C18H15NO3S
- Methyl 5-[2-oxo-2-(phenylamino)ethyl]benzo[b]thiophene-2-carboxylate1184722-47-1C18H15NO3S
- (5E)-3-Ethyl-5-[(3-phenoxyphenyl)methylidene]-1,3-thiazolidine-2,4-dione692279-40-6C18H15NO3S
- 2-(1,3-Benzodioxol-5-yl)-4-[(phenylmethoxy)methyl]thiazole248249-57-2C18H15NO3S
- 1,4-Dihydro-4-[(4-methylphenyl)sulfonyl]cyclopent[b]indol-3(2H)-one92013-08-6C18H15NO3S
- Ethyl 3-(benzo[b]thiophene-2-carboxamido)benzoate1240838-51-0C18H15NO3S
- {5-[4-(Methylsulfanyl)phenyl]-2-phenyl-1,3-oxazol-4-yl}acetic acid106131-58-2C18H15NO3S
- 2-{[2-Cyano-2-(ethylsulfanyl)-1-phenylethenyl]oxy}benzoic acid648434-08-6C18H15NO3S
- O-(2-Oxo-4-phenyl-2H-1-benzopyran-7-yl) dimethylcarbamothioate1449391-15-4C18H15NO3S
- 4-Benzyl-2-(phenoxymethyl)-1,3-thiazole-5-carboxylic acid1556847-54-1C18H15NO3S
- 2-(Benzyloxy)-5-(2-methylthiazol-4-yl)benzoic acid1416348-03-2C18H15NO3S
- 2-Phenoxy-N-phenylbenzenesulfonamide2688-86-0C18H15NO3S
- 3-{[(4-Methoxyphenyl)methyl]sulfanyl}quinoline-2-carboxylic acid61830-20-4C18H15NO3S
- 4-[1-(Benzenesulfonyl)-1H-indol-3-yl]but-3-en-2-one90734-70-6C18H15NO3S
- 5-Benzoyl-2-[(2-methoxyphenyl)methyl]-1,2-thiazol-3(2H)-one113526-45-7C18H15NO3S
- 2-(Diphenylmethanesulfonyl)-1-oxo-1lambda~5~-pyridine62381-77-5C18H15NO3S
- N-[4-(Benzylsulfanyl)-2-oxo-2H-1-benzopyran-3-yl]acetamide88369-14-6C18H15NO3S
- Methyl 4-{5-[(phenylsulfanyl)methyl]-1,2-oxazol-3-yl}benzoate835594-29-1C18H15NO3S
- Benzyl N-[2-(1-benzothiophen-2-yl)-2-oxoethyl]carbamate2680673-79-2C18H15NO3S
- Methyl 3-amino-4-(4-phenoxyphenyl)thiophene-2-carboxylate723295-02-1C18H15NO3S
- 2-(3-(Benzyloxy)phenyl)-4-methylthiazole-5-carboxylic acid1995454-60-8C18H15NO3S
Frequently asked questions
What is the molar mass of C18H15NO3S?
The molar mass of C18H15NO3S is 325.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 325.0773 Da.
How many compounds have the formula C18H15NO3S?
CompoundList lists 90 compounds with the molecular formula C18H15NO3S, including N-(4-Acetylphenyl)naphthalene-2-sulfonamide, 3-(1,3-Benzothiazol-2-yl)-4-(3-methoxyphenyl)but-3-enoic acid, 5-(4-Hydroxy-3-methoxybenzylidene)-2-(4-methylphenyl)-1,3-thiazol-4(5H)-one. 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 C18H15NO3S?
C18H15NO3S 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.