Molecular formula
C18H17N3O4S
203 compounds have this formula on CompoundList.
- Molar mass
- 371.41g/mol
- Monoisotopic mass
- 371.0940Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H17N3O4S describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 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 × 1858.21%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 174.61%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 311.31%14.007 × 3 = 42.021 g/mol
- O Oxygen × 417.23%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.63%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H17N3O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 203 compounds
N-(2-((4-Hydroxyphenyl)amino)-3-pyridinyl)-4-methoxybenzenesulfonamide
CAS 141430-65-1C18H17N3O4S
![N-[(8-Hydroxy-5-nitroquinolin-7-yl)-thiophen-2-ylmethyl]-2-methylpropanamide chemical structure, C18H17N3O4S, CAS 683806-41-9](/s/UGVXTILPQFDWHE-UHFFFAOYSA-N.svg)
N-[(8-Hydroxy-5-nitroquinolin-7-yl)-thiophen-2-ylmethyl]-2-methylpropanamide
CAS 683806-41-9C18H17N3O4S
![5-[(3-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide chemical structure, C18H17N3O4S, CAS 878716-29-1](/s/AESZUZOUCCXXSC-UHFFFAOYSA-N.svg)
5-[(3-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide
CAS 878716-29-1C18H17N3O4S
Methyl 2-(2-((5-methoxy-1H-benzo(d)imidazol-2-yl)thio)acetamido)benzoate
CAS 330951-01-4C18H17N3O4S
5-Amino-1-tosyl-1H-pyrazol-3-yl 4-methylbenzoate
CAS 442678-94-6C18H17N3O4S
![5-[(4-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide chemical structure, C18H17N3O4S, CAS 795294-27-8](/s/YUCYFAFHQGXACN-UHFFFAOYSA-N.svg)
5-[(4-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide
CAS 795294-27-8C18H17N3O4S
![N-(2-(3,4-Dimethylphenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)furan-2-carboxamide chemical structure, C18H17N3O4S, CAS 681267-28-7](/s/NQBHFHDLCZIYEU-UHFFFAOYSA-N.svg)
N-(2-(3,4-Dimethylphenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)furan-2-carboxamide
CAS 681267-28-7C18H17N3O4S
![4-Methoxy-N'-[2-(1H-pyrrol-1-yl)benzoyl]benzenesulfonohydrazide chemical structure, C18H17N3O4S, CAS 478063-15-9](/s/NQWWPBFQZMCESS-UHFFFAOYSA-N.svg)
4-Methoxy-N'-[2-(1H-pyrrol-1-yl)benzoyl]benzenesulfonohydrazide
CAS 478063-15-9C18H17N3O4S
![3-Hydroxy-1-{5-hydroxy-1-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-3-methyl-1H-pyrazol-4-yl}-2-buten-1-one chemical structure, C18H17N3O4S, CAS 245039-38-7](/s/HKEUPEPVVNBAPB-NVNXTCNLSA-N.svg)
3-Hydroxy-1-{5-hydroxy-1-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-3-methyl-1H-pyrazol-4-yl}-2-buten-1-one
CAS 245039-38-7C18H17N3O4S
![N-(3,4-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide chemical structure, C18H17N3O4S, CAS 872723-58-5](/s/JGYOPPKJODCNEG-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide
CAS 872723-58-5C18H17N3O4S
![N-(2,4-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide chemical structure, C18H17N3O4S, CAS 872723-60-9](/s/UYPUUGMATYZGFY-UHFFFAOYSA-N.svg)
N-(2,4-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide
CAS 872723-60-9C18H17N3O4S
![N-(2,5-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide chemical structure, C18H17N3O4S, CAS 872723-62-1](/s/MSKVALZWSZVWBK-UHFFFAOYSA-N.svg)
N-(2,5-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide
CAS 872723-62-1C18H17N3O4S
![N-(3,5-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide chemical structure, C18H17N3O4S, CAS 893991-53-2](/s/LRBQXMHWEMQERL-UHFFFAOYSA-N.svg)
N-(3,5-Dimethoxyphenyl)-2-[6-(furan-2-yl)pyridazin-3-yl]sulfanylacetamide
CAS 893991-53-2C18H17N3O4S
![2,6-Dimethoxy-N-[5-(4-methoxyphenyl)-1,3,4-thiadiazol-2-yl]benzamide chemical structure, C18H17N3O4S, CAS 64406-15-1](/s/LGZUCKXVPQKYAE-UHFFFAOYSA-N.svg)
2,6-Dimethoxy-N-[5-(4-methoxyphenyl)-1,3,4-thiadiazol-2-yl]benzamide
CAS 64406-15-1C18H17N3O4S
4-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-(3,5-dimethoxyphenyl)-1H-1,2,4-triazole-5-thione
CAS 728035-14-1C18H17N3O4S
![5-[(2-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide chemical structure, C18H17N3O4S, CAS 878716-27-9](/s/ACAPGIUSYZTCQG-UHFFFAOYSA-N.svg)
5-[(2-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide
CAS 878716-27-9C18H17N3O4S
5-Amino-1-tosyl-1H-pyrazol-3-yl 2-methylbenzoate
CAS 442678-93-5C18H17N3O4S
2-((4-(4-Methoxyphenyl)-5-(phenoxymethyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetic acid
CAS 893725-85-4C18H17N3O4S
2-((5-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetic acid
CAS 91759-73-8C18H17N3O4S
(6-Methyl-3-methylsulfanyl-5-oxo-1,2,4-triazin-4-yl)methyl 2-naphthalen-2-yloxyacetate
CAS 877648-45-8C18H17N3O4S
![2,2'-[6-(Methylsulfanyl)-1,3,5-triazine-2,4-diyl]bis(5-methoxyphenol) chemical structure, C18H17N3O4S, CAS 156137-33-6](/s/AOFKXIRJCWKERQ-UHFFFAOYSA-N.svg)
2,2'-[6-(Methylsulfanyl)-1,3,5-triazine-2,4-diyl]bis(5-methoxyphenol)
CAS 156137-33-6C18H17N3O4S
![N-(2-Methoxyphenyl)-2-{[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide chemical structure, C18H17N3O4S, CAS 337498-63-2](/s/URMICQPIZHBGEI-UHFFFAOYSA-N.svg)
N-(2-Methoxyphenyl)-2-{[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide
CAS 337498-63-2C18H17N3O4S
![2-(Benzenesulfonyl)-N-[5-(2,5-dimethylphenyl)-1,3,4-oxadiazol-2-yl]acetamide chemical structure, C18H17N3O4S, CAS 895461-35-5](/s/OZFAZJBXJOWPPL-UHFFFAOYSA-N.svg)
2-(Benzenesulfonyl)-N-[5-(2,5-dimethylphenyl)-1,3,4-oxadiazol-2-yl]acetamide
CAS 895461-35-5C18H17N3O4S
![Methyl 4-({[(5-methoxy-1H-benzimidazol-2-yl)thio]acetyl}amino)benzoate chemical structure, C18H17N3O4S, CAS 525582-01-8](/s/RHHPKFJJSZUSNN-UHFFFAOYSA-N.svg)
Methyl 4-({[(5-methoxy-1H-benzimidazol-2-yl)thio]acetyl}amino)benzoate
CAS 525582-01-8C18H17N3O4S
- 4-Methyl-N-(4-{[(5-methyl-3-isoxazolyl)amino]sulfonyl}phenyl)benzamide288312-42-5C18H17N3O4S
- 3-Methyl-N-(4-(N-(5-methylisoxazol-3-yl)sulfamoyl)phenyl)benzamide302951-45-7C18H17N3O4S
- 6-[[2-(1-Methylethyl)phenyl]]sulfonyl-5-nitro-8-quinolinamine181468-88-2C18H17N3O4S
- Ethyl 4-{[(6-methoxy-1,3-benzothiazol-2-yl) carbamoyl]amino}benzoate69123-52-0C18H17N3O4S
- N-(3-Methoxyphenyl)-2-{[5-(3-methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide886507-56-8C18H17N3O4S
- 2-(2-Methyl-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)-N-(3-nitrophenyl)acetamide863004-28-8C18H17N3O4S
- 3,4,5-Trimethoxy-N-(4-pyridin-2-yl-1,3-thiazol-2-yl)benzamide361479-18-7C18H17N3O4S
- N-{4-[(3,4-Dimethyl-1,2-oxazol-5-yl)sulfamoyl]phenyl}benzamide292052-07-4C18H17N3O4S
- Ethyl 2-(4-hydroxy-2-methylquinoline-6-carboxamido)-4-methylthiazole-5-carboxylate1010904-97-8C18H17N3O4S
- N-[5-(2,5-Dimethylphenyl)-1,3,4-oxadiazol-2-yl]-2-methylsulfonylbenzamide896368-42-6C18H17N3O4S
- 2-(2-Methoxyphenoxy)-N-[3-(4-methoxyphenyl)-1,2,4-thiadiazol-5-yl]acetamide898623-40-0C18H17N3O4S
- 2-(3-Methyl-4-oxo-phthalazin-1-yl)-N-(4-methylsulfonylphenyl)acetamide1286127-58-9C18H17N3O4S
- Methyl 4-((3-(1H-benzo[d]imidazol-2-yl)azetidin-1-yl)sulfonyl)benzoate1251710-20-9C18H17N3O4S
- 2-[(4-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-3-carboxamide878716-25-7C18H17N3O4S
- N-[5-(2,5-Dimethylphenyl)-1,3,4-oxadiazol-2-yl]-3-methylsulfonylbenzamide896293-53-1C18H17N3O4S
- 2-(1,1-Dioxido-4H-benzo[e][1,2,4]thiadiazin-4-yl)-1-(6-methyl-2H-benzo[b][1,4]oxazin-4(3H)-yl)ethanone942034-37-9C18H17N3O4S
- 3-Amino-N-(1,3-benzodioxol-5-yl)-4-(methoxymethyl)-6-methylthieno[2,3-b]pyridine-2-carboxamide708286-38-8C18H17N3O4S
- 2,4-Dimethoxy-N-[5-(2-methylsulfanylphenyl)-1,3,4-oxadiazol-2-yl]benzamide886908-46-9C18H17N3O4S
- 3,4,5-Trimethoxy-N-(5-phenyl-1,2,4-thiadiazol-3-yl)benzamide690246-37-8C18H17N3O4S
- N-(1,3-Benzodioxol-5-ylmethyl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide872594-15-5C18H17N3O4S
- Butyl 4-(5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxamido)benzoate851944-13-3C18H17N3O4S
- Benzyl 2-(1,3-dimethyl-2,4-dioxopyrido[2,3-d]pyrimidin-5-yl)sulfanylacetate899732-51-5C18H17N3O4S
- 3,5-Dimethoxy-N-[5-(3-methylsulfanylphenyl)-1,3,4-oxadiazol-2-yl]benzamide886912-46-5C18H17N3O4S
- N-(5-Acetamido-2-methoxyphenyl)-2-(5-(thiophen-2-yl)isoxazol-3-yl)acetamide946317-29-9C18H17N3O4S
- (E)-N-(5,5-Dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-3-(4-nitrophenyl)acrylamide307327-09-9C18H17N3O4S
- 3,4,5-Trimethoxy-N-(3-phenyl-1,2,4-thiadiazol-5-yl)benzamide690645-53-5C18H17N3O4S
- 2,4-Dimethyl-N-[5-(3-methylsulfonylphenyl)-1,3,4-oxadiazol-2-yl]benzamide886908-08-3C18H17N3O4S
- N'-(4-Methoxy-7-methylbenzo[d]thiazol-2-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carbohydrazide851987-86-5C18H17N3O4S
- N-(2-(6-Oxopyridazin-1(6H)-yl)ethyl)-4-phenoxybenzenesulfonamide1021219-34-0C18H17N3O4S
- 2-(2,4-Dimethylphenyl)-N-(4-methoxy-6-nitrobenzo[d]thiazol-2-yl)acetamide899958-23-7C18H17N3O4S
- 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid1105193-62-1C18H17N3O4S
- 5-[(2-Cyclopropyl-1H-indol-6-yl)sulfamoyl]-2-hydroxybenzamide2132396-40-6C18H17N3O4S
- N-(2,4-Dimethoxyphenyl)-2-((4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetamide852222-94-7C18H17N3O4S
- 2-{[(2-Oxo-1,3-benzoxazol-3(2H)-yl)acetyl]amino}-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide663168-56-7C18H17N3O4S
- N-[5-(3,4-Dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-2-methoxybenzamide312632-84-1C18H17N3O4S
- N-(6-Acetamido-1,3-benzothiazol-2-yl)-3,4-dimethoxybenzamide313403-97-3C18H17N3O4S
- 3,4-Dimethoxy-N-[5-(4-methoxyphenyl)-1,3,4-thiadiazol-2-yl]benzamide332408-01-2C18H17N3O4S
- Morpholino[1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-2-yl]methanone477872-24-5C18H17N3O4S
- N-(6-Acetamido-1,3-benzothiazol-2-yl)-3,5-dimethoxybenzamide325978-28-7C18H17N3O4S
- N-(4-(2-((3-Methoxybenzyl)amino)-2-oxoethyl)thiazol-2-yl)furan-2-carboxamide923226-70-4C18H17N3O4S
- N-(2-Cyanophenyl)-4-(morpholinosulfonyl)benzamide397280-21-6C18H17N3O4S
- 2-(2-Methoxyphenoxy)-N-(4-oxo-2-sulfanylidene-1H-quinazolin-3-yl)propanamide422275-75-0C18H17N3O4S
- 2-(2-Methyl-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-5-yl)-N-(4-nitrophenyl)acetamide863004-29-9C18H17N3O4S
- 4-[4-(4-Methoxybenzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]benzenesulfonamide6034-28-2C18H17N3O4S
- N-(4-Cyanophenyl)-3-(morpholine-4-sulfonyl)benzamide926432-15-7C18H17N3O4S
- 3,4-Dimethoxy-N-{2-[5-(methylsulfanyl)-1,3,4-oxadiazol-2-yl]phenyl}benzamide890595-66-1C18H17N3O4S
- Ethyl 4-methyl-2-{[(2-methyl-1-oxo-1,2-dihydroisoquinolin-4-yl)carbonyl]amino}-1,3-thiazole-5-carboxylate434914-57-5C18H17N3O4S
- 3-({[3-Amino-4-(methoxymethyl)-6-methylthieno[2,3-b]pyridin-2-yl]carbonyl}amino)benzoic acid810696-31-2C18H17N3O4S
- (4-Methoxyphenyl)(2-((4-nitrobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone851802-19-2C18H17N3O4S
- (3-Methoxyphenyl)-[2-[(4-nitrophenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]methanone851802-18-1C18H17N3O4S
- Ethyl 5-acetamido-4-oxo-3-(p-tolyl)-3,4-dihydrothieno[3,4-d]pyridazine-1-carboxylate155260-05-2C18H17N3O4S
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[1-(furan-2-ylmethyl)imidazol-2-yl]sulfanylacetamide872594-22-4C18H17N3O4S
- 5-[2-(4-Methoxyphenyl)-2-oxoethyl]sulfanyl-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4-dione899960-61-3C18H17N3O4S
- 2,3-Dimethoxy-N-[5-(2-methylsulfanylphenyl)-1,3,4-oxadiazol-2-yl]benzamide886911-16-6C18H17N3O4S
- N-(2,4-Dimethoxyphenyl)-2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)acetamide922895-52-1C18H17N3O4S
- N-(2,5-Dimethoxyphenyl)-2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)acetamide922992-15-2C18H17N3O4S
- 5-Phenyl-1-(4-sulfaMoylphenyl)-1H-pyrazole-3-carboxylic acid ethyl ester781663-70-5C18H17N3O4S
- N-(4-(2-((2-Ethoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)furan-2-carboxamide923107-53-3C18H17N3O4S
- Ethyl 2-(3-(3-methoxyphenyl)ureido)benzo[d]thiazole-6-carboxylate1190283-55-6C18H17N3O4S
- Ethyl (2-{[(2-methyl-1-oxo-1,2-dihydroisoquinolin-4-yl)carbonyl]amino}-1,3-thiazol-4-yl)acetate1282140-54-8C18H17N3O4S
- Ethyl 4-methyl-2-{[(1-methyl-2-oxo-1,2-dihydroquinolin-4-yl)carbonyl]amino}-1,3-thiazole-5-carboxylate1374530-39-8C18H17N3O4S
- (E)-3-(Furan-2-yl)-5-(1-((4-methylstyryl)sulfonyl)azetidin-3-yl)-1,2,4-oxadiazole1428382-27-7C18H17N3O4S
- N-[(4-Cyanophenyl)carbamothioyl]-3,4,5-trimethoxybenzamide642963-82-4C18H17N3O4S
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-4-methoxy-3-nitrobenzamide577962-83-5C18H17N3O4S
- N-[5-(3,4-Dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-3-methoxybenzamide695156-01-5C18H17N3O4S
- 1-[2-[(3-Nitrophenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]-2-phenoxyethanone851808-77-0C18H17N3O4S
- (4-Methoxyphenyl)-[2-[(3-nitrophenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]methanone851808-54-3C18H17N3O4S
- 1-(2-((4-Nitrobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)-2-phenoxyethanone851802-44-3C18H17N3O4S
- (2-Methoxyphenyl)(2-((3-nitrobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone851808-52-1C18H17N3O4S
- (3-Methoxyphenyl)(2-((3-nitrobenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone851808-53-2C18H17N3O4S
- (Z)-N-(3-(2-Methoxyethyl)-6-nitrobenzo[d]thiazol-2(3H)-ylidene)-2-phenylacetamide864976-80-7C18H17N3O4S
- 4-[(4Z)-4-[(3-Methoxyphenyl)methylidene]-3-methyl-5-oxopyrazol-1-yl]benzenesulfonamide425390-81-4C18H17N3O4S
- 2-[1-(1,3-Benzodioxol-5-ylmethyl)imidazol-2-yl]sulfanyl-N-(furan-2-ylmethyl)acetamide869346-96-3C18H17N3O4S
- N-[5-(2,4-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]-2-phenylsulfanylacetamide895487-88-4C18H17N3O4S
- N-[5-(2,4-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]-2-methylsulfanylbenzamide896352-10-6C18H17N3O4S
- N-[5-(2,4-Dimethylphenyl)-1,3,4-oxadiazol-2-yl]-2-methylsulfonylbenzamide896367-95-6C18H17N3O4S
Frequently asked questions
What is the molar mass of C18H17N3O4S?
The molar mass of C18H17N3O4S is 371.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 371.0940 Da.
How many compounds have the formula C18H17N3O4S?
CompoundList lists 203 compounds with the molecular formula C18H17N3O4S, including N-(2-((4-Hydroxyphenyl)amino)-3-pyridinyl)-4-methoxybenzenesulfonamide, N-[(8-Hydroxy-5-nitroquinolin-7-yl)-thiophen-2-ylmethyl]-2-methylpropanamide, 5-[(3-Methylphenoxy)methyl]-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]furan-2-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 C18H17N3O4S?
C18H17N3O4S 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.