Molecular formula
C18H16N2O3S
247 compounds have this formula on CompoundList.
- Molar mass
- 340.40g/mol
- Monoisotopic mass
- 340.0882Da
- Atoms
- 40
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H16N2O3S describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 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 × 1863.51%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 164.74%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 28.23%14.007 × 2 = 28.014 g/mol
- O Oxygen × 314.10%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.42%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H16N2O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 247 compounds
2-(2,4-Dioxo-3-phenyl-1,3-thiazolidin-5-yl)-N-(2-methylphenyl)acetamide
CAS 453579-03-8C18H16N2O3S
![N-[3-(Benzyloxy)pyridin-2-yl]benzenesulfonamide chemical structure, C18H16N2O3S, CAS 877459-36-4](/s/JBHHMMLJGNLVNB-UHFFFAOYSA-N.svg)
N-[3-(Benzyloxy)pyridin-2-yl]benzenesulfonamide
CAS 877459-36-4C18H16N2O3S
![2-{2-[(2-Methoxyphenyl)amino]-4-phenyl-1,3-thiazol-5-yl}acetic acid chemical structure, C18H16N2O3S, CAS 501914-49-4](/s/ZCFXJXOEDBZELJ-UHFFFAOYSA-N.svg)
2-{2-[(2-Methoxyphenyl)amino]-4-phenyl-1,3-thiazol-5-yl}acetic acid
CAS 501914-49-4C18H16N2O3S
N4-Acetyl-N1-(1-naphthyl)sulfanilamide
CAS 56799-96-3C18H16N2O3S
![4-(4-Ethoxyanilino)-5-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-3H-1,3-thiazol-2-one chemical structure, C18H16N2O3S, CAS 469871-55-4](/s/MKAIUMDZTYINGG-WJDWOHSUSA-N.svg)
4-(4-Ethoxyanilino)-5-[(4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-3H-1,3-thiazol-2-one
CAS 469871-55-4C18H16N2O3S
![1,3-Benzodioxol-5-yl-[2-(phenylmethylthio)-4,5-dihydroimidazol-1-yl]methanone chemical structure, C18H16N2O3S, CAS 851863-85-9](/s/IDOWHJAEOZFCIO-UHFFFAOYSA-N.svg)
1,3-Benzodioxol-5-yl-[2-(phenylmethylthio)-4,5-dihydroimidazol-1-yl]methanone
CAS 851863-85-9C18H16N2O3S
![1-[4-(3,4-Dihydroxyphenyl)-6-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]ethanone chemical structure, C18H16N2O3S, CAS 692284-20-1](/s/WVYIAAZJUCFFLU-UHFFFAOYSA-N.svg)
1-[4-(3,4-Dihydroxyphenyl)-6-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]ethanone
CAS 692284-20-1C18H16N2O3S
N-(5-Benzyl-3-carbamoyl-4-methylthiophen-2-yl)furan-2-carboxamide
CAS 433313-36-1C18H16N2O3S
2-((1H-Indol-3-yl)sulfonyl)-1-(indolin-1-yl)ethanone
CAS 850932-24-0C18H16N2O3S
4-(1,3-Benzodioxol-5-yl)-2-(methylsulfanyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrile
CAS 421573-54-8C18H16N2O3S
2-(3,4-Dimethoxy-phenyl)-2,3-dihydro-1-thia-4a,9-diaza-fluoren-4-one
CAS 326881-94-1C18H16N2O3S
![4-[(4-Oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-yl)methyl]benzoic acid chemical structure, C18H16N2O3S, CAS 446831-17-0](/s/DROOLDSOLTXUQB-UHFFFAOYSA-N.svg)
4-[(4-Oxo-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-3-yl)methyl]benzoic acid
CAS 446831-17-0C18H16N2O3S
5-(3-Ethoxy-2-hydroxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one
CAS 906722-26-7C18H16N2O3S
N-(4-(2-Cyano-2-((4-methylphenyl)sulfonyl)vinyl)phenyl)ethanamide
CAS 736963-55-6C18H16N2O3S
![N-[4-(Naphthalen-2-ylsulfonylamino)phenyl]acetamide chemical structure, C18H16N2O3S, CAS 305373-47-1](/s/PGRKNQATCMRMRY-UHFFFAOYSA-N.svg)
N-[4-(Naphthalen-2-ylsulfonylamino)phenyl]acetamide
CAS 305373-47-1C18H16N2O3S
![Methyl 2-{4-[4-(2-thienyl)-2-pyrimidinyl]phenoxy}propanoate chemical structure, C18H16N2O3S, CAS 477856-51-2](/s/SXBMQWSOGAWBQE-UHFFFAOYSA-N.svg)
Methyl 2-{4-[4-(2-thienyl)-2-pyrimidinyl]phenoxy}propanoate
CAS 477856-51-2C18H16N2O3S
Ethyl (10-acryloyl-10H-phenothiazin-2-yl)carbamate
CAS 94989-94-3C18H16N2O3S
![Methyl 3-{2-[(benzylamino)carbonyl]-1H-pyrrol-1-yl}-2-thiophenecarboxylate chemical structure, C18H16N2O3S, CAS 477863-81-3](/s/BKQDTTQTEZQLJI-UHFFFAOYSA-N.svg)
Methyl 3-{2-[(benzylamino)carbonyl]-1H-pyrrol-1-yl}-2-thiophenecarboxylate
CAS 477863-81-3C18H16N2O3S
![{[3-Cyano-6-cyclopropyl-4-(4-methoxyphenyl)pyridin-2-yl]sulfanyl}acetic acid chemical structure, C18H16N2O3S, CAS 313956-66-0](/s/FQLUIDLLIOYMAV-UHFFFAOYSA-N.svg)
{[3-Cyano-6-cyclopropyl-4-(4-methoxyphenyl)pyridin-2-yl]sulfanyl}acetic acid
CAS 313956-66-0C18H16N2O3S
4-(3-Methoxybenzoyl)-N-(2-thienylmethyl)-1H-pyrrole-2-carboxamide
CAS 439111-67-8C18H16N2O3S
![4-Methyl-benzoic acid (3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-ylcarbamoyl)-methyl ester chemical structure, C18H16N2O3S, CAS 724446-32-6](/s/WYBPGEUMHAQHPP-UHFFFAOYSA-N.svg)
4-Methyl-benzoic acid (3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-ylcarbamoyl)-methyl ester
CAS 724446-32-6C18H16N2O3S
2-(2,4-Dioxo-3-phenyl-1,3-thiazolidin-5-yl)-N-(4-methylphenyl)acetamide
CAS 453579-07-2C18H16N2O3S
4-(4-Methoxybenzoyl)-N-(2-thienylmethyl)-1H-pyrrole-2-carboxamide
CAS 478259-37-9C18H16N2O3S
![N-[4-Methyl-2-[(2-thiophen-2-ylacetyl)amino]phenyl]furan-2-carboxamide chemical structure, C18H16N2O3S, CAS 832091-36-8](/s/WEXLHLICTNPAFO-UHFFFAOYSA-N.svg)
N-[4-Methyl-2-[(2-thiophen-2-ylacetyl)amino]phenyl]furan-2-carboxamide
CAS 832091-36-8C18H16N2O3S
- N-(4-Acetylphenyl)-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide406175-88-0C18H16N2O3S
- 2-(5-Benzyl-[1,3,4]oxadiazol-2-ylsulfanyl)-1-(4-methoxy-phenyl)-ethanone321981-05-9C18H16N2O3S
- 4-(4-Methylphenoxy)-5-(methylsulfonyl)-2-phenylpyrimidine339106-27-3C18H16N2O3S
- N-(1,3-Benzodioxol-5-ylmethyl)-2-(1H-indol-3-ylsulfanyl)acetamide862825-91-0C18H16N2O3S
- 2-(4-Acetylphenoxy)-N-(2-methyl-1,3-benzothiazol-6-yl)acetamide765285-19-6C18H16N2O3S
- 5-(4-Methoxyanilino)-4-(phenylsulfonyl)-2,4-pentadienenitrile339276-65-2C18H16N2O3S
- N'-(2,5-Dimethoxybenzylidene)-1-benzothiophene-3-carbohydrazide444933-30-6C18H16N2O3S
- N-(2-Methyl-1,3-dioxoisoindol-5-yl)-2-(4-methylphenyl)sulfanylacetamide895455-86-4C18H16N2O3S
- 4-(4-Methoxyphenyl)-5-(methylsulfonyl)-2-phenylpyrimidine339110-06-4C18H16N2O3S
- N-(5-Acetyl-4-methylthiazol-2-yl)-3-methoxy-2-naphthamide324538-58-1C18H16N2O3S
- 3-[2-(4-Methylphenyl)sulfanylethyl]-4-oxophthalazine-1-carboxylic acid796118-97-3C18H16N2O3S
- N-{4-[(1-Naphthylsulfonyl)amino]phenyl}acetamide694462-18-5C18H16N2O3S
- 4-(Methanesulfonamido)-N-naphthalen-2-ylbenzamide713500-89-1C18H16N2O3S
- 3-Methoxy-4-(5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-yloxy)benzaldehyde306956-52-5C18H16N2O3S
- N-(2,4-Dioxo-3-phenyl-1,3-thiazolidin-5-yl)-N-(4-methylphenyl)acetamide26959-86-4C18H16N2O3S
- 3-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-phenylquinazolin-4(3H)-one6215-06-1C18H16N2O3S
- N-(3-Cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-1,3-benzodioxole-5-carboxamide314055-47-5C18H16N2O3S
- 3-(3-(9H-Carbazol-9-yl)-2-hydroxypropyl)thiazolidine-2,4-dione327026-15-3C18H16N2O3S
- 2-Propenamide, 2-cyano-3-(4-hydroxy-3-methoxy-5-((phenylthio)methyl)phenyl)-107788-00-1C18H16N2O3S
- N-(2,4-Dioxo-3-(p-tolyl)thiazolidin-5-yl)-N-phenylacetamide347840-96-4C18H16N2O3S
- N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-1-benzofuran-2-carboxamide433973-31-0C18H16N2O3S
- N-(6-Ethoxy-1,3-benzothiazol-2-yl)-2,3-dihydro-1-benzofuran-2-carboxamide15850-97-2C18H16N2O3S
- (2E,5E)-5-(3-Ethoxy-4-hydroxybenzylidene)-2-(phenylimino)-1,3-thiazolidin-4-one359613-89-1C18H16N2O3S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(1H-indol-3-ylsulfanyl)acetamide450351-87-8C18H16N2O3S
- Ethyl 2-methyl-4-(2-thienylcarbonylamino)quinoline-6-carboxylate953854-26-7C18H16N2O3S
- Ethyl 4-methyl-2-(naphthalene-1-amido)-1,3-thiazole-5-carboxylate352677-89-5C18H16N2O3S
- 4-(1,3-Benzodioxol-5-yloxy)-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine379246-00-1C18H16N2O3S
- 5-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2H,3H-benzo[f]azepine-4-carbonitrile105895-94-1C18H16N2O3S
- 3,4-Dimethoxy-N-(4-phenyl-1,3-thiazol-2-yl)benzamide330178-37-5C18H16N2O3S
- 3-(4-(Methylthio)phenyl)-2-phenyldihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione1005270-89-2C18H16N2O3S
- 3-[4-(Furan-2-carbonyl)piperazin-1-yl]-4H-thiochromen-4-one895796-35-7C18H16N2O3S
- N-((5-(2-Methyl-2,3-dihydrobenzofuran-5-yl)isoxazol-3-yl)methyl)thiophene-2-carboxamide1206997-98-9C18H16N2O3S
- N-(Pyridin-3-yl)-4-(o-tolyloxy)benzenesulfonamide606944-13-2C18H16N2O3S
- 2-Methyl-5-(4-(methylsulfonyl)phenyl)-4-phenylpyridazin-3(2H)-one213763-80-5C18H16N2O3S
- Methyl 2-(2-(isoquinolin-5-yl)acetamido)-4-methylthiophene-3-carboxylate1292805-23-2C18H16N2O3S
- 3-(4-(Ethylthio)benzamido)benzofuran-2-carboxamide886931-36-8C18H16N2O3S
- Ethyl 2-(4-oxo-3-phenylquinazolin-2-yl)sulfanylacetate28831-35-8C18H16N2O3S
- 3-(4-Ethoxyphenyl)spiro[1,3-thiazolidine-2,3'-indoline]-4,7-dione155425-87-9C18H16N2O3S
- 4-Methyl-N'-(naphthalene-2-sulfonyl)benzohydrazide93355-97-6C18H16N2O3S
- Methyl 4-[(5,7-dimethyl-1,3-benzothiazol-2-yl)carbamoyl]benzoate912767-29-4C18H16N2O3S
- 3,5-Dimethoxy-N-(4-phenyl-1,3-thiazol-2-yl)benzamide315232-30-5C18H16N2O3S
- N-(3-Ethyl-6,7-dihydro-[1,4]dioxino[2,3-f][1,3]benzothiazol-2-ylidene)benzamide1321900-13-3C18H16N2O3S
- N-(4,7-Dimethylbenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide906784-50-7C18H16N2O3S
- N-(4-Ethylbenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide892852-37-8C18H16N2O3S
- Methyl 4-methyl-2-(2-(quinolin-5-yl)acetamido)thiophene-3-carboxylate1292805-22-1C18H16N2O3S
- Methyl 4-oxo-3-(2-phenylethyl)-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylate309750-70-7C18H16N2O3S
- 2-((4,4-Dimethyl-1-oxidothiochroman-6-yl)ethynyl)pyrimidine-5-carboxylic acid2131803-93-3C18H16N2O3S
- N-[4-(6-Methyl-benzothiazol-2-yl)-phenyl]-succinamic acid313233-60-2C18H16N2O3S
- Methyl 4-[(4-ethyl-1,3-benzothiazol-2-yl)carbamoyl]benzoate892843-20-8C18H16N2O3S
- 1-(4-Methylbenzene-1-sulfonyl)-5-phenyl-1H-pyrrole-3-carboxamide1381767-12-9C18H16N2O3S
- 2-Methoxy-4-({[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]amino}methylidene)cyclohexa-2,5-dien-1-one89405-38-9C18H16N2O3S
- Methyl 2-{[3-(4-methylphenyl)-4-oxo-3,4-dihydroquinazolin-2-yl]sulfanyl}acetate28831-25-6C18H16N2O3S
- 4-[(2-Methoxynaphthalen-1-yl)methylideneamino]benzenesulfonamide5318-55-8C18H16N2O3S
- 2-(3-Allyl-2,4-dioxothiazolidin-5-yl)-N-(naphthalen-1-yl)acetamide878989-84-5C18H16N2O3S
- 5-(2,5-Dimethoxy-benzylidene)-2-phenylimino-thiazolidin-4-one294877-16-0C18H16N2O3S
- 3-Methoxy-4-[(2-methyl-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-yl)oxy]benzaldehyde379247-58-2C18H16N2O3S
- 2-[(2,5-Dioxo-1-phenylpyrrolidin-3-yl)sulfanyl]-N-phenylacetamide419546-72-8C18H16N2O3S
- 5-[3-(Benzyloxy)benzyl]-2-thioxodihydropyrimidine-4,6(1H,5H)-dione242473-66-1C18H16N2O3S
- Benzyl [(5-acetyl-3-cyano-6-methylpyridin-2-yl)sulfanyl]acetate339187-58-5C18H16N2O3S
- Methyl 2-({[(2E)-3-phenylprop-2-enoyl]carbamothioyl}amino)benzoate355412-01-0C18H16N2O3S
- 3-[(4-Phenyl-1,3-thiazol-2-yl)carbamoyl]bicyclo[2.2.1]hept-5-ene-2-carboxylic acid491831-98-2C18H16N2O3S
- N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2,3-dihydro-1,4-benzodioxine-3-carboxamide451517-65-0C18H16N2O3S
- (5E)-3-(3-Methoxyphenyl)-5-[(4-methoxyphenyl)methylidene]-2-sulfanylideneimidazolidin-4-one725710-49-6C18H16N2O3S
- 2-[(3-Methoxynaphthalene-2-carbonyl)amino]-N-methylthiophene-3-carboxamide864974-77-6C18H16N2O3S
- (E)-N'-(4-Methoxybenzylidene)naphthalene-2-sulfonohydrazide121780-13-0C18H16N2O3S
- (5Z)-5-(3,4-Dihydroxybenzylidene)-2-[(2,3-dimethylphenyl)amino]-1,3-thiazol-4(5H)-one308292-35-5C18H16N2O3S
- (E)-2-Morpholino-5-((5-phenylfuran-2-yl)methylene)thiazol-4(5H)-one315241-84-0C18H16N2O3S
- 4-Amino-N-(4-phenoxyphenyl)benzenesulfonamide315672-33-4C18H16N2O3S
- 4-Methoxy-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]benzamide15850-41-6C18H16N2O3S
- Ethyl 2-(4-methylbenzamido)benzo[d]thiazole-6-carboxylate888409-27-6C18H16N2O3S
- 2-Naphthyl-N-(4-sulfamoylphenyl)acetamide5939-84-4C18H16N2O3S
- 2-(4-Methoxyphenoxy)-N-(4-phenyl-1,3-thiazol-2-yl)acetamide307536-47-6C18H16N2O3S
- (3-Amino-4,5,6-trimethylthieno[2,3-b]pyridin-2-yl)(1,3-benzodioxol-5-yl)methanone488746-19-6C18H16N2O3S
- Acetic acid, (4-(2-((4-methylphenyl)amino)-4-thiazolyl)phenoxy)-168127-37-5C18H16N2O3S
- 4-Methoxy-N-[4-(2-methoxyphenyl)-1,3-thiazol-2-yl]benzamide313500-45-7C18H16N2O3S
- (2E,5Z)-5-(2,4-Dimethoxybenzylidene)-2-(phenylimino)-1,3-thiazolidin-4-one313226-23-2C18H16N2O3S
Frequently asked questions
What is the molar mass of C18H16N2O3S?
The molar mass of C18H16N2O3S is 340.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 340.0882 Da.
How many compounds have the formula C18H16N2O3S?
CompoundList lists 247 compounds with the molecular formula C18H16N2O3S, including 2-(2,4-Dioxo-3-phenyl-1,3-thiazolidin-5-yl)-N-(2-methylphenyl)acetamide, N-[3-(Benzyloxy)pyridin-2-yl]benzenesulfonamide, 2-{2-[(2-Methoxyphenyl)amino]-4-phenyl-1,3-thiazol-5-yl}acetic 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 C18H16N2O3S?
C18H16N2O3S 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.