Molecular formula
C18H17N3O3S
341 compounds have this formula on CompoundList.
- Molar mass
- 355.41g/mol
- Monoisotopic mass
- 358.1179Da
- Atoms
- 42
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H17N3O3S describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 3 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 × 1860.83%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 174.82%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 311.82%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.50%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.02%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H17N3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 341 compounds
N-(2,4-Dimethoxyphenyl)-2-(quinazolin-4-ylsulfanyl)acetamide
CAS 721892-12-2C18H17N3O3S
4-(3,4-Dihydroxyphenyl)-6-methyl-N-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide
CAS 5985-95-5C18H17N3O3S
![N-[5-(3,4-Dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-4-methylbenzamide chemical structure, C18H17N3O3S, CAS 332408-14-7](/s/CYHXBIMMXCXSKZ-UHFFFAOYSA-N.svg)
N-[5-(3,4-Dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-4-methylbenzamide
CAS 332408-14-7C18H17N3O3S
![Methyl 2-{[(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)carbonyl]amino}benzoate chemical structure, C18H17N3O3S, CAS 333329-23-0](/s/HLGCLHCXWMELNA-UHFFFAOYSA-N.svg)
Methyl 2-{[(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)carbonyl]amino}benzoate
CAS 333329-23-0C18H17N3O3S
![2-{[3-(4-Methylphenyl)-2,4-dioxo-1,3-thiazolidin-5-yl]anilino}acetamide chemical structure, C18H17N3O3S, CAS 354124-80-4](/s/MWUOYKUPRIYQMK-UHFFFAOYSA-N.svg)
2-{[3-(4-Methylphenyl)-2,4-dioxo-1,3-thiazolidin-5-yl]anilino}acetamide
CAS 354124-80-4C18H17N3O3S
![Ethyl 2-benzamido-3-cyano-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate chemical structure, C18H17N3O3S, CAS 864926-89-6](/s/JLHHGBZSIGGCKS-UHFFFAOYSA-N.svg)
Ethyl 2-benzamido-3-cyano-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate
CAS 864926-89-6C18H17N3O3S
6-Ethoxy-2-({4-nitrobenzyl}sulfanyl)-4-methylquinazoline
CAS 351225-40-6C18H17N3O3S
(Z)-N-(3-(2-Methoxyethyl)-4-(3-nitrophenyl)thiazol-2(3H)-ylidene)aniline
CAS 327093-96-9C18H17N3O3S
![2-{[5-(4-Methoxyphenyl)-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetic acid chemical structure, C18H17N3O3S, CAS 863184-29-6](/s/VLYKLWXPNVTJLA-UHFFFAOYSA-N.svg)
2-{[5-(4-Methoxyphenyl)-4-(4-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetic acid
CAS 863184-29-6C18H17N3O3S
![3-Methoxy-N-[5-(4-methoxybenzyl)-1,3,4-thiadiazol-2-yl]benzamide chemical structure, C18H17N3O3S, CAS 510735-92-9](/s/RHUUGPUAEBBMEM-UHFFFAOYSA-N.svg)
3-Methoxy-N-[5-(4-methoxybenzyl)-1,3,4-thiadiazol-2-yl]benzamide
CAS 510735-92-9C18H17N3O3S
![N-[4,5-Dimethyl-3-(pyridin-3-ylmethylcarbamoyl)thiophen-2-yl]furan-2-carboxamide chemical structure, C18H17N3O3S, CAS 717855-34-0](/s/HNYSMQAZHIGLAH-UHFFFAOYSA-N.svg)
N-[4,5-Dimethyl-3-(pyridin-3-ylmethylcarbamoyl)thiophen-2-yl]furan-2-carboxamide
CAS 717855-34-0C18H17N3O3S
![2-{[5-(2-Hydroxyphenyl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}-1-(4-methoxyphenyl)ethanone chemical structure, C18H17N3O3S, CAS 694455-49-7](/s/QOCPXECXPNNFGY-UHFFFAOYSA-N.svg)
2-{[5-(2-Hydroxyphenyl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}-1-(4-methoxyphenyl)ethanone
CAS 694455-49-7C18H17N3O3S
2-Cyclohexyl-1,3-dioxo-N-(1,3-thiazol-2-yl)-2,3-dihydro-1H-isoindole-5-carboxamide
CAS 355403-20-2C18H17N3O3S
![Methyl 4-{[(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)carbonyl]amino}benzoate chemical structure, C18H17N3O3S, CAS 333329-22-9](/s/JRHYTFDGNPAZEZ-UHFFFAOYSA-N.svg)
Methyl 4-{[(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)carbonyl]amino}benzoate
CAS 333329-22-9C18H17N3O3S
![Methyl 1-(2,5-dimethylphenyl)-2-mercapto-7-methyl-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylate chemical structure, C18H17N3O3S, CAS 1011360-05-6](/s/MWZYYMJDFUIGLI-UHFFFAOYSA-N.svg)
Methyl 1-(2,5-dimethylphenyl)-2-mercapto-7-methyl-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylate
CAS 1011360-05-6C18H17N3O3S
![N-[(2-Methoxyphenyl)methyl]-2-(6-oxo-3-thiophen-2-ylpyridazin-1-yl)acetamide chemical structure, C18H17N3O3S, CAS 899752-64-8](/s/DDALNNRIELEUNX-UHFFFAOYSA-N.svg)
N-[(2-Methoxyphenyl)methyl]-2-(6-oxo-3-thiophen-2-ylpyridazin-1-yl)acetamide
CAS 899752-64-8C18H17N3O3S
![4-Propyl-9-(thiophen-2-yl)-9,10-dihydropyrimido[4,5-c]isoquinoline-1,3,7(2H,4H,8H)-trione chemical structure, C18H17N3O3S, CAS 1030480-33-1](/s/WTBJKZIKWXKEDO-UHFFFAOYSA-N.svg)
4-Propyl-9-(thiophen-2-yl)-9,10-dihydropyrimido[4,5-c]isoquinoline-1,3,7(2H,4H,8H)-trione
CAS 1030480-33-1C18H17N3O3S
![1,3-Dimethyl-6-(1,2,3,4-tetrahydroquinoline-1-carbonyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C18H17N3O3S, CAS 946335-51-9](/s/QLCNWQAAGXOKIK-UHFFFAOYSA-N.svg)
1,3-Dimethyl-6-(1,2,3,4-tetrahydroquinoline-1-carbonyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 946335-51-9C18H17N3O3S
![2-[(5-Benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-N-(3-methoxyphenyl)acetamide chemical structure, C18H17N3O3S, CAS 220597-84-2](/s/PGSGOGCSHXMIQA-UHFFFAOYSA-N.svg)
2-[(5-Benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-N-(3-methoxyphenyl)acetamide
CAS 220597-84-2C18H17N3O3S
![Ethyl 2-[(2-methylpyrazole-3-carbonyl)amino]-5-phenylthiophene-3-carboxylate chemical structure, C18H17N3O3S, CAS 522619-68-7](/s/GZHRHGUINASBAO-UHFFFAOYSA-N.svg)
Ethyl 2-[(2-methylpyrazole-3-carbonyl)amino]-5-phenylthiophene-3-carboxylate
CAS 522619-68-7C18H17N3O3S
![3,4-Dimethoxy-N-[5-(2-methylphenyl)-1,3,4-thiadiazol-2-yl]benzamide chemical structure, C18H17N3O3S, CAS 392243-42-4](/s/XMBWXVURKGBOKZ-UHFFFAOYSA-N.svg)
3,4-Dimethoxy-N-[5-(2-methylphenyl)-1,3,4-thiadiazol-2-yl]benzamide
CAS 392243-42-4C18H17N3O3S
![(2E)-N-[(2,4-Dimethyl-6-nitrophenyl)carbamothioyl]-3-phenylprop-2-enamide chemical structure, C18H17N3O3S, CAS 5150-75-4](/s/SUBZQZGATBYLFQ-CMDGGOBGSA-N.svg)
(2E)-N-[(2,4-Dimethyl-6-nitrophenyl)carbamothioyl]-3-phenylprop-2-enamide
CAS 5150-75-4C18H17N3O3S
![(E)-3-(Dimethylamino)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-c]pyridin-3-yl)prop-2-en-1-one chemical structure, C18H17N3O3S, CAS 1679330-18-7](/s/HAMARJLNHWBALT-PKNBQFBNSA-N.svg)
(E)-3-(Dimethylamino)-1-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-c]pyridin-3-yl)prop-2-en-1-one
CAS 1679330-18-7C18H17N3O3S
N-Benzyl-2-((5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide
CAS 330846-46-3C18H17N3O3S
- 2-[Methyl(naphthalen-2-ylsulfonyl)amino]-N-pyridin-3-ylacetamide712336-48-6C18H17N3O3S
- (E)-Ethyl 2-(2-cyano-3-(pyridin-3-yl)acrylamido)-4,5-dimethylthiophene-3-carboxylate868154-70-5C18H17N3O3S
- (E)-Ethyl 2-(2-cyano-3-(pyridin-4-yl)acrylamido)-4,5-dimethylthiophene-3-carboxylate868154-71-6C18H17N3O3S
- 2,3-Dimethoxy-N-[5-(4-methylphenyl)-1,3,4-thiadiazol-2-yl]benzamide391862-65-0C18H17N3O3S
- Ethyl 2-((3,5-dicyano-6-oxo-4-(o-tolyl)-1,4,5,6-tetrahydropyridin-2-yl)thio)acetate374910-16-4C18H17N3O3S
- 2-(3,4-Dimethoxyphenyl)-N-(5-phenyl-1,3,4-thiadiazol-2-yl)acetamide445008-10-6C18H17N3O3S
- Propan-2-yl 4-(3-cyano-6-pyridin-3-ylpyridin-2-yl)sulfanyl-3-oxobutanoate445391-47-9C18H17N3O3S
- 2-Hydroxy-5-(2-{[(2-methoxyphenyl)methyl]amino}-1,3-thiazol-4-yl)benzamide879304-62-8C18H17N3O3S
- 1-(4-Ethoxyphenyl)-2-{[5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}propan-1-one538337-86-9C18H17N3O3S
- Ethyl (2-{[4-(1H-pyrrol-1-yl)benzoyl]amino}-1,3-thiazol-4-yl)acetate930849-67-5C18H17N3O3S
- N-(4-{[(2,4-Dimethylphenyl)carbamoyl]methyl}-1,3-thiazol-2-yl)furan-2-carboxamide460734-48-9C18H17N3O3S
- 5-(Benzyloxy)-1-methyl-N-(4-methylthiazol-2-yl)-4-oxo-1,4-dihydropyridine-2-carboxamide1021248-90-7C18H17N3O3S
- 1,3-Dimethyl-6-(2-methylindoline-1-carbonyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione946257-68-7C18H17N3O3S
- 1-(4-Methoxyphenyl)-4-(5-(thiophen-2-ylmethyl)-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one1170482-96-8C18H17N3O3S
- 1-(4-Methylbenzo[d]thiazol-2-yl)azetidin-3-yl 2-methoxynicotinate1396871-82-1C18H17N3O3S
- 2-{(2E)-2-[(2-Methoxyphenyl)imino]-4-oxo-1,3-thiazolidin-5-yl}-N-phenylacetamide613219-08-2C18H17N3O3S
- 2-[Methylsulfonyl(naphthalen-1-yl)amino]-N-pyridin-3-ylacetamide335208-10-1C18H17N3O3S
- Methyl 4-(2-((3-cyano-4,6-dimethylpyridin-2-yl)thio)acetamido)benzoate332160-99-3C18H17N3O3S
- {3,5-Dimethyl-4-[(phenylsulfonyl)methyl]-1H-pyrazol-1-yl}(3-pyridinyl)methanone321848-15-1C18H17N3O3S
- N-(4-Methylphenyl)-2-[(4E)-4-[(3-methylthiophen-2-yl)methylidene]-2,5-dioxoimidazolidin-1-yl]acetamide444789-17-7C18H17N3O3S
- 3,5-Dimethoxy-N-[5-(4-methylphenyl)-1,3,4-thiadiazol-2-yl]benzamide379730-66-2C18H17N3O3S
- N-(3,4-Dimethoxyphenyl)-2-(quinazolin-4-ylsulfanyl)acetamide722477-14-7C18H17N3O3S
- Methyl 4-{[2-(1H-benzimidazol-2-ylsulfanyl)propanoyl]amino}benzoate826996-80-9C18H17N3O3S
- N-(2-Cyanophenyl)-4-(pyrrolidin-1-ylsulfonyl)benzamide397280-27-2C18H17N3O3S
- N-[5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]-3-phenylsulfanylpropanamide865286-18-6C18H17N3O3S
- 2,4-Dimethoxy-N-[5-(2-methylphenyl)-1,3,4-thiadiazol-2-yl]benzamide392243-43-5C18H17N3O3S
- 3-{4-[(Dimethylamino)sulfonyl]phenyl}-1-phenylpyrazole-4-carbaldehyde1020703-43-8C18H17N3O3S
- N-(Furan-2-ylmethyl)-2-[6-(3-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide895458-19-2C18H17N3O3S
- N-[(3-Methoxyphenyl)methyl]-2-(6-oxo-3-thiophen-2-ylpyridazin-1-yl)acetamide899946-39-5C18H17N3O3S
- 2H-Pyrazolo(4,3-c)quinoline, 4,5-dihydro-8-methoxy-5-((4-methylphenyl)sulfonyl)-103688-02-4C18H17N3O3S
- N-(4-(2-Oxo-2-((1-phenylethyl)amino)ethyl)thiazol-2-yl)furan-2-carboxamide923686-94-6C18H17N3O3S
- (2Z)-5-(Hydroxymethyl)-2-[(4-methoxyphenyl)imino]-8-methyl-2H-pyrano[2,3-c]pyridine-3-carbothioamide892286-36-1C18H17N3O3S
- Ethyl (2-{[(2-methylquinolin-4-yl)carbonyl]amino}-1,3-thiazol-4-yl)acetate1144459-59-5C18H17N3O3S
- N-(4-Methoxybenzyl)-2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)acetamide1246052-32-3C18H17N3O3S
- 2-[4-(5-Methyl-1,3,4-thiadiazol-2-yl)piperidine-1-carbonyl]-4H-chromen-4-one1421510-05-5C18H17N3O3S
- 2-(Benzylthio)-1-(3-(3-(furan-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)ethanone1428349-46-5C18H17N3O3S
- 4-Cyclopropyl-1-(2-(4-methoxyphenyl)-2-oxoethyl)-3-(thiophen-2-yl)-1H-1,2,4-triazol-5(4H)-one1428366-84-0C18H17N3O3S
- 1-(4-Methylbenzo[d]thiazol-2-yl)azetidin-3-yl 5-cyclopropylisoxazole-3-carboxylate1396628-36-6C18H17N3O3S
- 4-{(E)-[4-(Dimethylamino)naphthalen-1-yl]diazenyl}benzene-1-sulfonic acid7467-30-3C18H17N3O3S
- (Z)-2-(2-Cyano-3-(5-methylfuran-2-yl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide327061-85-8C18H17N3O3S
- N-[4-(Ethylsulfamoyl)phenyl]quinoline-2-carboxamide692762-39-3C18H17N3O3S
- (E)-N-[(2,6-Dimethylphenyl)carbamothioyl]-3-(3-nitrophenyl)prop-2-enamide430442-00-5C18H17N3O3S
- N-(2,5-Dimethoxyphenyl)-2-(quinazolin-4-ylthio)acetamide721420-06-0C18H17N3O3S
- N-[(2-Methoxyphenyl)methyl]-2-(4-oxo-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-3-yl)acetamide422527-81-9C18H17N3O3S
- 2-Methyl-3-(3-methylphenyl)-8-nitro-2,3,5,6-tetrahydro-4H-2,6-methano-1,3,5-benzoxadiazocine-4-thione702656-38-0C18H17N3O3S
- (2-((3-Nitrobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(m-tolyl)methanone851808-48-5C18H17N3O3S
- 4-[(4Z)-3-Methyl-4-[(4-methylphenyl)methylidene]-5-oxopyrazol-1-yl]benzenesulfonamide425390-48-3C18H17N3O3S
- (4Z)-5-tert-Butyl-2-(4-nitrophenyl)-4-(thiophen-2-ylmethylidene)pyrazol-3-one1024716-31-1C18H17N3O3S
- N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenylsulfanylacetamide898117-54-9C18H17N3O3S
- N-(5,7-Dimethyl-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)-2-(2,5-dioxopyrrolidin-1-yl)acetamide868674-72-0C18H17N3O3S
- N-(5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)-2-(p-tolylthio)acetamide895459-09-3C18H17N3O3S
- N-[5-(3-Methylsulfanylphenyl)-1,3,4-oxadiazol-2-yl]-3-phenoxypropanamide886913-73-1C18H17N3O3S
- 3-(Ethylthio)-N-(5-(2-methoxyphenyl)-1,3,4-oxadiazol-2-yl)benzamide886912-89-6C18H17N3O3S
- 2,6-Dimethoxy-N-[5-(4-methylphenyl)-1,3,4-thiadiazol-2-yl]benzamide64406-01-5C18H17N3O3S
- N-[5-(2-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]-2-[4-(methylsulfanyl)phenyl]acetamide941930-26-3C18H17N3O3S
- N-(5-(3-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)-2-(4-(methylthio)phenyl)acetamide919845-06-0C18H17N3O3S
- 3-Methoxy-N-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)benzamide946344-68-9C18H17N3O3S
- N-{2-[(Phenylsulfonyl)amino]ethyl}-2-quinolinecarboxamide929846-62-8C18H17N3O3S
- 2,11-Dimethyl-8-nitro-3-phenyl-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocine-4(3H)-thione1007920-29-7C18H17N3O3S
- N-(3-Methanesulfonamidophenyl)-4-(1H-pyrrol-1-yl)benzamide1203118-19-7C18H17N3O3S
- 2-((5-(2,5-Dimethylfuran-3-yl)-1,3,4-oxadiazol-2-yl)thio)-1-(indolin-1-yl)ethanone1021023-00-6C18H17N3O3S
- N'-(4,6-Dimethyl-1,3-benzothiazol-2-yl)-2,3-dihydro-1,4-benzodioxine-2-carbohydrazide851987-42-3C18H17N3O3S
- Benzo[c][1,2,5]thiadiazol-5-yl(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)methanone1203407-28-6C18H17N3O3S
- 5-[4-[2-((Methyl-d3)pyridin-2-ylamino)ethoxy]benzylidene]thiazolidine-2,4-dione1185245-57-1C18H17N3O3S
- 3-{3-[(Dimethylamino)sulfonyl]phenyl}-1-phenylpyrazole-4-carbaldehyde1234692-24-0C18H17N3O3S
- Methyl 4-((2-(3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)carbamoyl)benzoate1448122-03-9C18H17N3O3S
- N-(2-(3-(Thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide1448054-11-2C18H17N3O3S
- N-(1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)-2-(thiophen-3-yl)acetamide1795471-92-9C18H17N3O3S
- 4-Methoxy-1-methyl-6-oxo-N-{[5-(thiophen-3-yl)pyridin-3-yl]methyl}-1,6-dihydropyridine-3-carboxamide1795480-72-6C18H17N3O3S
- N1-(2-(benzo[b]thiophen-2-yl)-2-hydroxypropyl)-N2-(pyridin-3-yl)oxalamide2034604-70-9C18H17N3O3S
- 4-Methoxy-1-methyl-6-oxo-N-{[2-(thiophen-3-yl)pyridin-4-yl]methyl}-1,6-dihydropyridine-3-carboxamide2034397-03-8C18H17N3O3S
- Ethyl 2-[5-(2-hydroxyphenyl)-4-phenyl-1,2,4-triazol-3-ylthio]acetate937624-76-5C18H17N3O3S
- N-(2,5-Dimethylphenyl)-2-((5-(2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide336180-63-3C18H17N3O3S
- Methyl 2-{2-[(3-cyano-4,6-dimethylpyridin-2-yl)sulfanyl]acetamido}benzoate332949-61-8C18H17N3O3S
- (4-Methoxyphenyl)-[3-(4-methoxyphenyl)-5-methylsulfanyl-1,2,4-triazol-1-yl]methanone695172-91-9C18H17N3O3S
- (3,4-Dimethoxyphenyl)-(5-methylsulfanyl-3-phenyl-1,2,4-triazol-1-yl)methanone694460-56-5C18H17N3O3S
Frequently asked questions
What is the molar mass of C18H17N3O3S?
The molar mass of C18H17N3O3S is 355.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 358.1179 Da.
How many compounds have the formula C18H17N3O3S?
CompoundList lists 341 compounds with the molecular formula C18H17N3O3S, including N-(2,4-Dimethoxyphenyl)-2-(quinazolin-4-ylsulfanyl)acetamide, 4-(3,4-Dihydroxyphenyl)-6-methyl-N-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide, N-[5-(3,4-Dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-4-methylbenzamide. 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 C18H17N3O3S?
C18H17N3O3S 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.