Molecular formula
C19H17N3O3S
248 compounds have this formula on CompoundList.
- Molar mass
- 367.42g/mol
- Monoisotopic mass
- 367.0991Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 13
The formula C19H17N3O3S describes a molecule made of 19 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 × 1962.11%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 174.66%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 311.44%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.06%15.999 × 3 = 47.997 g/mol
- S Sulfur × 18.73%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C19H17N3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 248 compounds
![1-Phenyl-4-{3-[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]azetidin-1-YL}butane-1,4-dione chemical structure, C19H17N3O3S, CAS 1323706-67-7](/s/HWSRSVOUIRZWGJ-UHFFFAOYSA-N.svg)
1-Phenyl-4-{3-[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]azetidin-1-YL}butane-1,4-dione
CAS 1323706-67-7C19H17N3O3S
![2-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C19H17N3O3S, CAS 1282123-24-3](/s/JXZGUVLOOUJWBD-UHFFFAOYSA-N.svg)
2-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide
CAS 1282123-24-3C19H17N3O3S
![2-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-N-(4-(pyridin-3-yl)thiazol-2-yl)acetamide chemical structure, C19H17N3O3S, CAS 1351681-10-1](/s/HWXYQAOVABPAOL-UHFFFAOYSA-N.svg)
2-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-N-(4-(pyridin-3-yl)thiazol-2-yl)acetamide
CAS 1351681-10-1C19H17N3O3S
![Methyl 5-(2-phenylethyl)-2-[(pyridin-2-ylcarbonyl)amino]-1,3-thiazole-4-carboxylate chemical structure, C19H17N3O3S, CAS 1351688-22-6](/s/AVLHWJQPNMMUJI-UHFFFAOYSA-N.svg)
Methyl 5-(2-phenylethyl)-2-[(pyridin-2-ylcarbonyl)amino]-1,3-thiazole-4-carboxylate
CAS 1351688-22-6C19H17N3O3S
![Methyl 5-phenethyl-2-[(3-pyridylcarbonyl)amino]-1,3-thiazole-4-carboxylate chemical structure, C19H17N3O3S, CAS 1351689-43-4](/s/DLQMLHNXOZUBQM-UHFFFAOYSA-N.svg)
Methyl 5-phenethyl-2-[(3-pyridylcarbonyl)amino]-1,3-thiazole-4-carboxylate
CAS 1351689-43-4C19H17N3O3S
2-((1-Allyl-4-hydroxy-6-oxo-1,6-dihydropyrimidin-2-yl)thio)-N-(naphthalen-1-yl)acetamide
CAS 372501-31-0C19H17N3O3S
![5-Amino-1-(2-furylmethyl)-4-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1,2-dihydro-3H-pyrrol-3-one chemical structure, C19H17N3O3S, CAS 459128-12-2](/s/YNGIOXLZAWEIFH-UHFFFAOYSA-N.svg)
5-Amino-1-(2-furylmethyl)-4-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1,2-dihydro-3H-pyrrol-3-one
CAS 459128-12-2C19H17N3O3S
(E)-2-((E)-(4-Methoxybenzylidene)hydrazono)-5-(2-oxo-2-phenylethyl)thiazolidin-4-one
CAS 627479-68-9C19H17N3O3S
![4-Pyridinecarboxamide, N-[4-[[(phenylmethyl)amino]sulfonyl]phenyl]- chemical structure, C19H17N3O3S, CAS 89565-36-6](/s/MTWCYOJOSFPHRF-UHFFFAOYSA-N.svg)
4-Pyridinecarboxamide, N-[4-[[(phenylmethyl)amino]sulfonyl]phenyl]-
CAS 89565-36-6C19H17N3O3S
![N-[4-(2,4-Dimethylphenyl)-1,3-thiazol-2-yl]-3-methyl-4-nitrobenzamide chemical structure, C19H17N3O3S, CAS 438611-21-3](/s/VJKIRMFCINOSQX-UHFFFAOYSA-N.svg)
N-[4-(2,4-Dimethylphenyl)-1,3-thiazol-2-yl]-3-methyl-4-nitrobenzamide
CAS 438611-21-3C19H17N3O3S
3-(4-(Benzyloxy)phenyl)-2-((5-methyl-1H-1,2,4-triazol-3-yl)thio)acrylic acid
CAS 573705-08-5C19H17N3O3S
4-Benzothiazol-2-ylpiperidyl 4-nitrophenyl ketone
CAS 605628-06-6C19H17N3O3S
![2-Ethylsulfanyl-N-(8-methyl-[1,3]dioxolo[4,5-g]quinazolin-6-yl)benzamide chemical structure, C19H17N3O3S, CAS 833430-29-8](/s/ZULIOWGJAKONFM-UHFFFAOYSA-N.svg)
2-Ethylsulfanyl-N-(8-methyl-[1,3]dioxolo[4,5-g]quinazolin-6-yl)benzamide
CAS 833430-29-8C19H17N3O3S
![(E)-Methyl 2-(2-cyano-3-(pyridin-3-yl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C19H17N3O3S, CAS 868154-64-7](/s/LBNIUQGAYIFNOY-UKTHLTGXSA-N.svg)
(E)-Methyl 2-(2-cyano-3-(pyridin-3-yl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate
CAS 868154-64-7C19H17N3O3S
![(E)-Methyl 2-(2-cyano-3-(pyridin-4-yl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate chemical structure, C19H17N3O3S, CAS 868154-65-8](/s/GKOMVMMEGCBXQP-JLHYYAGUSA-N.svg)
(E)-Methyl 2-(2-cyano-3-(pyridin-4-yl)acrylamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate
CAS 868154-65-8C19H17N3O3S
N-(4-(4-Isopropylphenyl)thiazol-2-yl)-4-nitrobenzamide
CAS 325977-56-8C19H17N3O3S
![N-[4-(4-Nitrophenyl)-1,3-thiazol-2-yl]-2-phenylbutanamide chemical structure, C19H17N3O3S, CAS 543711-71-3](/s/MGCZWOZZTWQYCL-UHFFFAOYSA-N.svg)
N-[4-(4-Nitrophenyl)-1,3-thiazol-2-yl]-2-phenylbutanamide
CAS 543711-71-3C19H17N3O3S
N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide
CAS 831187-48-5C19H17N3O3S
Thiazolo(2,3-c)-1,2,4-triazole, 5-phenyl-3-(3,4,5-trimethoxyphenyl)-
CAS 140423-93-4C19H17N3O3S
![4-Acetyl-N-(6-acetyl-3-cyano-5,7-dihydro-4H-thieno[2,3-c]pyridin-2-yl)benzamide chemical structure, C19H17N3O3S, CAS 864858-60-6](/s/APOIXLNMFLUKBB-UHFFFAOYSA-N.svg)
4-Acetyl-N-(6-acetyl-3-cyano-5,7-dihydro-4H-thieno[2,3-c]pyridin-2-yl)benzamide
CAS 864858-60-6C19H17N3O3S
![2-({2-[2-(4-Methylphenyl)-1,3-thiazol-4-yl]ethyl}amino)-5-nitrobenzenecarbaldehyde chemical structure, C19H17N3O3S, CAS 861211-12-3](/s/HDGIZFARBYXRMZ-UHFFFAOYSA-N.svg)
2-({2-[2-(4-Methylphenyl)-1,3-thiazol-4-yl]ethyl}amino)-5-nitrobenzenecarbaldehyde
CAS 861211-12-3C19H17N3O3S
![2-Nitro-N-[4-(2,4,6-trimethylphenyl)-1,3-thiazol-2-yl]benzamide chemical structure, C19H17N3O3S, CAS 324758-54-5](/s/WVMPWCXGNYKMMZ-UHFFFAOYSA-N.svg)
2-Nitro-N-[4-(2,4,6-trimethylphenyl)-1,3-thiazol-2-yl]benzamide
CAS 324758-54-5C19H17N3O3S
![3-Benzyl-8,9-dimethoxy-5-thioxo-5,6-dihydroimidazo[1,2-c]quinazolin-2(3H)-one chemical structure, C19H17N3O3S, CAS 477768-47-1](/s/BMKBLABQXTZJMH-UHFFFAOYSA-N.svg)
3-Benzyl-8,9-dimethoxy-5-thioxo-5,6-dihydroimidazo[1,2-c]quinazolin-2(3H)-one
CAS 477768-47-1C19H17N3O3S
(E)-3-(3,4-Dimethoxyphenyl)-N-(5-phenyl-1,3,4-thiadiazol-2-yl)acrylamide
CAS 476463-12-4C19H17N3O3S
- Ethyl 5-[(4-methoxyphenyl)sulfanyl]-3-phenyl-1,2,4-triazine-6-carboxylate338957-16-7C19H17N3O3S
- (6-Methyl-3-methylsulfanyl-5-oxo-1,2,4-triazin-4-yl)methyl 4-phenylbenzoate877643-32-8C19H17N3O3S
- Methyl 7-cyclopropyl-1-(2-methylphenyl)-4-oxo-2-sulfanylidenepyrido[2,3-d]pyrimidine-5-carboxylate1011349-27-1C19H17N3O3S
- 2-(2,2-Dimethylpropanoyl)-3-(5-nitro-2-(2-pyridylthio)phenyl)prop-2-enenitrile1025586-73-5C19H17N3O3S
- N-[3-(Methylsulfanyl)phenyl]-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxamide1236257-93-4C19H17N3O3S
- N-[(2-Methoxyphenyl)methyl]-5-oxo-2H,3H,5H-[1,3]thiazolo[2,3-b]quinazoline-8-carboxamide1251647-47-8C19H17N3O3S
- 2-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-N-[(2Z)-4-(pyridin-2-yl)-1,3-thiazol-2(3H)-ylidene]acetamide1282098-28-5C19H17N3O3S
- 5-(2-Methylindoline-1-carbonyl)-3-(thiophen-2-ylmethyl)pyrimidine-2,4(1H,3H)-dione1396785-05-9C19H17N3O3S
- Methyl 7-(benzo[d]thiazole-2-carboxamido)-3,4-dihydroisoquinoline-2(1H)-carboxylate1448054-60-1C19H17N3O3S
- 2-((3,5-Dimethylisoxazol-4-yl)methyl)-4-phenyl-2H-benzo[e][1,2,3]thiadiazine 1,1-dioxide1428375-19-2C19H17N3O3S
- Methyl 7-(benzo[d]thiazole-6-carboxamido)-3,4-dihydroisoquinoline-2(1H)-carboxylate1797803-51-0C19H17N3O3S
- 1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-((2-(thiophen-2-yl)pyridin-4-yl)methyl)urea2034271-69-5C19H17N3O3S
- N-(5-Ethyl-4-phenyl-1,3-thiazol-2-yl)-2-(2-nitrophenyl)acetamide600132-38-5C19H17N3O3S
- N-[2-(4-Methoxyphenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide1007192-26-8C19H17N3O3S
- N-[3-[(2-Ethoxyphenyl)carbamoyl]thiophen-2-yl]pyridine-4-carboxamide895957-11-6C19H17N3O3S
- Thiazolo(3,2-b)(1,2,4)triazole, 6-phenyl-2-(3,4,5-trimethoxyphenyl)-140405-69-2C19H17N3O3S
- 3(2H)-Pyridazinone, 4,5-dihydro-2-(6-methoxy-2-benzothiazolyl)-6-(4-methoxyphenyl)-112445-61-1C19H17N3O3S
- N-(5,5-Dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3-methylbenzamide681265-48-5C19H17N3O3S
- N-(5,5-Dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-methylbenzamide681265-47-4C19H17N3O3S
- N-(5,5-Dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-phenylacetamide681266-13-7C19H17N3O3S
- N-(5,5-Dioxido-2-(o-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide681266-39-7C19H17N3O3S
- N-(5,5-Dioxido-2-(p-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide681266-46-6C19H17N3O3S
- N-(5,5-Dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-4-methylbenzamide681265-49-6C19H17N3O3S
- 2-(2,5-Dioxo-1-phenylpyrrolidin-3-yl)sulfanyl-4-(methoxymethyl)-6-methylpyridine-3-carbonitrile896656-40-9C19H17N3O3S
- 6-(Hydroxymethyl)-2-(2-methoxyphenyl)-9-methyl-3H-pyrido[4',3':5,6]pyrano[2,3-d]pyrimidine-4(5H)-thione875659-23-7C19H17N3O3S
- N-{3-[(Furan-2-ylmethyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl}pyridine-4-carboxamide925639-65-2C19H17N3O3S
- 3-{2-[(3-Phenylquinoxalin-2-yl)sulfanyl]acetamido}propanoic acid712308-41-3C19H17N3O3S
- N-[3-(6-Methanesulfonylpyridazin-3-yl)phenyl]-2-methylbenzamide946376-07-4C19H17N3O3S
- N-[3-(6-Methanesulfonylpyridazin-3-yl)phenyl]-4-methylbenzamide946251-64-5C19H17N3O3S
- 8-(Phenylsulfonyl)-6-(pyridin-2-ylamino)-2,3-dihydroindolizin-5(1H)-one612065-29-9C19H17N3O3S
- 1-(3,5-Dimethylphenyl)-3-((3-nitrobenzyl)thio)pyrazin-2(1H)-one946214-98-8C19H17N3O3S
- 1-(3,5-Dimethylphenyl)-3-((4-nitrobenzyl)thio)pyrazin-2(1H)-one946215-02-7C19H17N3O3S
- (Z)-N-(5,6-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1H-indole-3-carboxamide1173297-12-5C19H17N3O3S
- 1-(2-(Furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-3-(thiophen-2-yl)urea1206986-90-4C19H17N3O3S
- 5-Methyl-N-(2-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)isoxazole-3-carboxamide1207006-34-5C19H17N3O3S
- 3-[Methyl(phenyl)sulfamoyl]-N-(pyridin-3-yl)benzamide1285873-39-3C19H17N3O3S
- N-(4-Methoxybenzyl)-5-oxo-3,5-dihydro-2H-thiazolo[2,3-b]quinazoline-8-carboxamide1251625-75-8C19H17N3O3S
- 5-(Furan-2-yl)-N-((1-methyl-1H-pyrrol-2-yl)methyl)-N-(thiophen-2-ylmethyl)isoxazole-3-carboxamide1286710-62-0C19H17N3O3S
- N-(Benzo[d][1,3]dioxol-5-yl)-1-(6-methylbenzo[d]thiazol-2-yl)azetidine-3-carboxamide1396843-59-6C19H17N3O3S
- N-(3-Methoxyphenyl)-2-[(6-oxo-4-phenyl-1,6-dihydropyrimidin-2-yl)sulfanyl]acetamide433243-41-5C19H17N3O3S
- N-[4-(2,5-Dimethylphenyl)-1,3-thiazol-2-yl]-4-methyl-3-nitrobenzamide773861-54-4C19H17N3O3S
- 3-[[2-(2-Methylphenoxy)acetyl]amino]-N-(1,3-thiazol-2-yl)benzamide404376-05-2C19H17N3O3S
- 4-Benzothiazol-2-ylpiperidyl 3-nitrophenyl ketone605628-04-4C19H17N3O3S
- (Z)-4-Cyano-N-(3-ethyl-4,7-dimethoxybenzo[d]thiazol-2(3H)-ylidene)benzamide868369-43-1C19H17N3O3S
- 4-[[4-(Benzylamino)phenyl]diazenyl]benzenesulfonic acid61973-36-2C19H17N3O3S
- N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((1-phenyl-1H-imidazol-2-yl)thio)acetamide688335-35-5C19H17N3O3S
- N-[2-(5-Hydroxy-1H-indol-3-yl)ethyl]quinoline-8-sulfonamide6511-14-4C19H17N3O3S
- (E)-N-(3-Cyano-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-3-(4-nitrophenyl)acrylamide392326-12-4C19H17N3O3S
- N-[2-(4-Methyl-2-phenyl-1,3-thiazol-5-yl)ethyl]-4-nitrobenzamide890955-07-4C19H17N3O3S
- N-[2-(4-Methyl-2-phenyl-1,3-thiazol-5-yl)ethyl]-3-nitrobenzamide890955-14-3C19H17N3O3S
- (Z)-4-Cyano-N-(3-ethyl-5,6-dimethoxybenzo[d]thiazol-2(3H)-ylidene)benzamide895454-71-4C19H17N3O3S
- N-[3-(4-Methoxyphenyl)-1,2,4-thiadiazol-5-yl]-4-(prop-2-en-1-yloxy)benzamide939764-86-0C19H17N3O3S
- 2-Benzamido-N-(furan-2-ylmethyl)-5,6-dihydro-4H-cyclopenta[d]thiazole-4-carboxamide942004-65-1C19H17N3O3S
- 4-({[(4-Methyl-5-phenyl-1H-imidazol-2-yl)sulfanyl]acetyl}amino)benzoic acid915884-89-8C19H17N3O3S
- (Z)-N,N-Dimethyl-3-((2-oxoindolin-3-ylidene)methyl)-1H-indole-1-sulfonamide951933-39-4C19H17N3O3S
- N-(3-Acetylphenyl)-4-oxo-6,7,8,9-tetrahydro-4H-benzo[4,5]thiazolo[3,2-a]pyrimidine-3-carboxamide947110-04-5C19H17N3O3S
- (Z)-3-(Furan-2-yl)-N-(2-(4-methoxyphenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)acrylamide450343-63-2C19H17N3O3S
- N-(4-(6-(Methylsulfonyl)pyridazin-3-yl)phenyl)-2-phenylacetamide941984-60-7C19H17N3O3S
- N-(4-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)benzamide1005307-83-4C19H17N3O3S
- 2-((4-(2-Methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-phenylacetamide899945-03-0C19H17N3O3S
- N-(Benzo[d][1,3]dioxol-5-yl)-1-(thiophen-2-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide900003-64-7C19H17N3O3S
- N-[(Furan-2-yl)methyl]-6-(4-methoxyphenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide852134-84-0C19H17N3O3S
- N-[3-(6-Methanesulfonylpyridazin-3-yl)phenyl]-3-methylbenzamide946251-84-9C19H17N3O3S
- N-(3-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)benzamide946303-80-6C19H17N3O3S
- N-[4-(6-Methanesulfonylpyridazin-3-yl)phenyl]-4-methylbenzamide921795-70-2C19H17N3O3S
- N-[4-(6-Methanesulfonylpyridazin-3-yl)phenyl]-3-methylbenzamide921839-04-5C19H17N3O3S
- 4-({[2-(3-Methoxyphenyl)-1,3-thiazol-4-yl]acetyl}amino)benzamide1144434-09-2C19H17N3O3S
- N-(5,5-Dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)-5-phenylisoxazole-3-carboxamide1207005-31-9C19H17N3O3S
- 1-[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]-3-(2-methylphenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione1326911-78-7C19H17N3O3S
- 1-[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]-3-(3-methylphenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione1326845-73-1C19H17N3O3S
- N-(Benzo[d]thiazol-2-yl)-4-benzyl-5-oxomorpholine-3-carboxamide1351586-47-4C19H17N3O3S
- 5-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)-3-(thiophen-2-ylmethyl)pyrimidine-2,4(1H,3H)-dione1396784-62-5C19H17N3O3S
- 5-Methyl-N-(2-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)isoxazole-4-carboxamide1428348-75-7C19H17N3O3S
- 7-Methoxy-N-(2-(3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)benzofuran-2-carboxamide1797679-24-3C19H17N3O3S
- N-(2-(3-(Benzo[d]thiazol-2-yloxy)azetidin-1-yl)-2-oxoethyl)benzamide1795410-04-6C19H17N3O3S
- (E)-N-(1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-1H-pyrazol-4-yl)-3-(thiophen-2-yl)acrylamide1799000-49-9C19H17N3O3S
Frequently asked questions
What is the molar mass of C19H17N3O3S?
The molar mass of C19H17N3O3S is 367.42 g/mol, calculated from standard atomic weights for 19 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 367.0991 Da.
How many compounds have the formula C19H17N3O3S?
CompoundList lists 248 compounds with the molecular formula C19H17N3O3S, including 1-Phenyl-4-{3-[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]azetidin-1-YL}butane-1,4-dione, 2-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide, 2-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-N-(4-(pyridin-3-yl)thiazol-2-yl)acetamide. 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 C19H17N3O3S?
C19H17N3O3S has a degree of unsaturation of 13. 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.