Molecular formula
C19H19N3O4S2
142 compounds have this formula on CompoundList.
- Molar mass
- 417.50g/mol
- Monoisotopic mass
- 417.0817Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 12
The formula C19H19N3O4S2 describes a molecule made of 19 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. 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 × 1954.66%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 194.59%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 310.06%14.007 × 3 = 42.021 g/mol
- O Oxygen × 415.33%15.999 × 4 = 63.996 g/mol
- S Sulfur × 215.36%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C19H19N3O4S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 142 compounds
![2-(2,3-Dimethylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]acetamide chemical structure, C19H19N3O4S2, CAS 303117-11-5](/s/DZTQIVSLOUQDBL-UHFFFAOYSA-N.svg)
2-(2,3-Dimethylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]acetamide
CAS 303117-11-5C19H19N3O4S2
![3-Allyl-5-(2-furyl)-2-{[2-(4-morpholinyl)-2-oxoethyl]thio}thieno[2,3-d]pyrimidin-4(3H)-one chemical structure, C19H19N3O4S2, CAS 496027-83-9](/s/CXHVPBGOYNWKBJ-UHFFFAOYSA-N.svg)
3-Allyl-5-(2-furyl)-2-{[2-(4-morpholinyl)-2-oxoethyl]thio}thieno[2,3-d]pyrimidin-4(3H)-one
CAS 496027-83-9C19H19N3O4S2
![N-(1,3-Benzodioxol-5-yl)-2-[(3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidin-2-yl)sulfanyl]acetamide chemical structure, C19H19N3O4S2, CAS 618427-56-8](/s/FICXCXDZZVEBBY-UHFFFAOYSA-N.svg)
N-(1,3-Benzodioxol-5-yl)-2-[(3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidin-2-yl)sulfanyl]acetamide
CAS 618427-56-8C19H19N3O4S2
![4-[(5Z)-5-[(3-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-N-(5-methyl-1,2-oxazol-3-yl)butanamide chemical structure, C19H19N3O4S2, CAS 476667-57-9](/s/VCVJOKOIBXSMMG-PTNGSMBKSA-N.svg)
4-[(5Z)-5-[(3-Methoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-N-(5-methyl-1,2-oxazol-3-yl)butanamide
CAS 476667-57-9C19H19N3O4S2
![2-(4-Methylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]propanamide chemical structure, C19H19N3O4S2, CAS 785809-15-6](/s/RBMROFGIQMFCTI-UHFFFAOYSA-N.svg)
2-(4-Methylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]propanamide
CAS 785809-15-6C19H19N3O4S2
2-(1,3-Benzothiazol-2-ylthio)-N'-(2,4,6-trimethoxybenzylidene)acetohydrazide
CAS 303107-41-7C19H19N3O4S2
![4-Phenoxy-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]butanamide chemical structure, C19H19N3O4S2, CAS 303033-20-7](/s/HBTWFPWOFHMNAN-UHFFFAOYSA-N.svg)
4-Phenoxy-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]butanamide
CAS 303033-20-7C19H19N3O4S2
![2-Methoxy-N-(6-(pyrrolidin-1-ylsulfonyl)benzo[d]thiazol-2-yl)benzamide chemical structure, C19H19N3O4S2, CAS 865592-83-2](/s/QPAHZKRYSIWIQE-UHFFFAOYSA-N.svg)
2-Methoxy-N-(6-(pyrrolidin-1-ylsulfonyl)benzo[d]thiazol-2-yl)benzamide
CAS 865592-83-2C19H19N3O4S2
![2-(2-((5-(Thiophen-2-yl)isoxazol-3-yl)methoxy)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide chemical structure, C19H19N3O4S2, CAS 893075-58-6](/s/NRPUXFKWYPJDFT-UHFFFAOYSA-N.svg)
2-(2-((5-(Thiophen-2-yl)isoxazol-3-yl)methoxy)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide
CAS 893075-58-6C19H19N3O4S2
N-(Furan-2-ylmethyl)-2-(2-((2-((3-methoxyphenyl)amino)-2-oxoethyl)thio)thiazol-4-yl)acetamide
CAS 941997-83-7C19H19N3O4S2
N-(4-(N-((2-(4-Methoxyphenyl)thiazol-4-yl)methyl)sulfamoyl)phenyl)acetamide
CAS 863511-30-2C19H19N3O4S2
![N-(3-Methanesulfonamidophenyl)-4-[(4-methyl-1,3-thiazol-2-yl)methoxy]benzamide chemical structure, C19H19N3O4S2, CAS 1251576-21-2](/s/CPLUESJXEUPEGZ-UHFFFAOYSA-N.svg)
N-(3-Methanesulfonamidophenyl)-4-[(4-methyl-1,3-thiazol-2-yl)methoxy]benzamide
CAS 1251576-21-2C19H19N3O4S2
2-(4-Ethylphenoxy)-N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)acetamide
CAS 496011-12-2C19H19N3O4S2
![Methyl 4-oxo-2-sulfanylidene-3-(3-{[(thiophen-2-yl)methyl]carbamoyl}propyl)-1,2,3,4-tetrahydroquinazoline-7-carboxylate chemical structure, C19H19N3O4S2, CAS 946330-22-9](/s/CHBBFBQHRAKILZ-UHFFFAOYSA-N.svg)
Methyl 4-oxo-2-sulfanylidene-3-(3-{[(thiophen-2-yl)methyl]carbamoyl}propyl)-1,2,3,4-tetrahydroquinazoline-7-carboxylate
CAS 946330-22-9C19H19N3O4S2
N-(2-Methoxybenzyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide
CAS 1172250-99-5C19H19N3O4S2
N-(2-Ethoxyphenyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide
CAS 1170485-58-1C19H19N3O4S2
N-(3-Methoxybenzyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide
CAS 1170884-51-1C19H19N3O4S2
![(Z)-4-Acetyl-N-(3-propyl-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)benzamide chemical structure, C19H19N3O4S2, CAS 887206-70-4](/s/GBEOTUGRTPURIX-UHFFFAOYSA-N.svg)
(Z)-4-Acetyl-N-(3-propyl-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)benzamide
CAS 887206-70-4C19H19N3O4S2
![N-(5,6-Dihydro-4H-cyclopenta[d][1,3]thiazol-2-yl)-4-[furan-2-ylmethyl(methyl)sulfamoyl]benzamide chemical structure, C19H19N3O4S2, CAS 899735-19-4](/s/OHLVRHVLDHZSOM-UHFFFAOYSA-N.svg)
N-(5,6-Dihydro-4H-cyclopenta[d][1,3]thiazol-2-yl)-4-[furan-2-ylmethyl(methyl)sulfamoyl]benzamide
CAS 899735-19-4C19H19N3O4S2
2-(2-Benzenesulfonamido-1,3-thiazol-4-yl)-N-(2-methoxy-5-methylphenyl)acetamide
CAS 921910-55-6C19H19N3O4S2
(E)-N-(5-(4-(Isopropylsulfonyl)benzyl)-1,3,4-oxadiazol-2-yl)-3-(thiophen-2-yl)acrylamide
CAS 1173530-06-7C19H19N3O4S2
N-(2-Methoxy-5-methylphenyl)-2-((4-(methylsulfonyl)phenyl)amino)thiazole-4-carboxamide
CAS 1172463-19-2C19H19N3O4S2
N-(6-Methoxy-benzothiazol-2-yl)-4-(pyrrolidine-1-sulfonyl)-benzamide
CAS 313973-13-6C19H19N3O4S2
Thioxacillin potassium salt
CAS 5053-35-0C19H19N3O4S2
- N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-4-(morpholinosulfonyl)benzamide308294-56-6C19H19N3O4S2
- 2-(2,4-Dimethylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]acetamide448241-44-9C19H19N3O4S2
- Ethyl 4-({[(5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetyl}amino)benzoate494826-16-3C19H19N3O4S2
- 4-Isopropoxy-N-{4-[(1,3-thiazol-2-ylamino)sulfonyl]phenyl}benzamide333747-24-3C19H19N3O4S2
- 2-(3-Methylphenoxy)-N-{4-[(1,3-thiazol-2-ylamino)sulfonyl]phenyl}propanamide821010-72-4C19H19N3O4S2
- 2-[(6-Acetamido-1,3-benzothiazol-2-yl)sulfanyl]-N-(2,5-dimethoxyphenyl)acetamide341950-77-4C19H19N3O4S2
- Methyl 2-({[(3,5,6-trimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetyl}amino)benzoate333406-39-6C19H19N3O4S2
- N-(4-Methoxybenzo[d]thiazol-2-yl)-4-(pyrrolidin-1-ylsulfonyl)benzamide313528-71-1C19H19N3O4S2
- 4-(Dimethylsulfamoyl)-N-[4-(2-methoxyphenyl)-1,3-thiazol-2-yl]benzamide325977-80-8C19H19N3O4S2
- 4-{3-[5-(Benzylsulfanyl)-1,3,4-oxadiazol-2-yl]benzenesulfonyl}morpholine728899-31-8C19H19N3O4S2
- N-(4-(5-Methylfuran-2-yl)thiazol-2-yl)-4-(pyrrolidin-1-ylsulfonyl)benzamide361171-37-1C19H19N3O4S2
- N-Benzyl-2-(2-{[(4-methoxyphenyl)sulfonyl]amino}-1,3-thiazol-4-yl)acetamide922000-49-5C19H19N3O4S2
- 2-(2,5-Dimethylphenoxy)-N-{4-[(1,3-thiazol-2-ylamino)sulfonyl]phenyl}acetamide315713-43-0C19H19N3O4S2
- N~2~-{4-[4-(piperidinosulfonyl)phenyl]-1,3-thiazol-2-yl}-2-furamide780775-47-5C19H19N3O4S2
- (Z)-N-(3-Methylbenzo[d]thiazol-2(3H)-ylidene)-4-(morpholinosulfonyl)benzamide325986-86-5C19H19N3O4S2
- N-(2-Methylbenzo[d]thiazol-5-yl)-4-(morpholinosulfonyl)benzamide330466-05-2C19H19N3O4S2
- N-[2-[4-Methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl]-3-nitrobenzenesulfonamide869069-94-3C19H19N3O4S2
- N-(1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-(4-methoxyphenyl)-1H-pyrazol-5-yl)thiophene-2-carboxamide942719-42-8C19H19N3O4S2
- 1-(4-(Phenylsulfonyl)-2-(thiophen-2-yl)oxazol-5-yl)piperidine-4-carboxamide627833-46-9C19H19N3O4S2
- N-(1,3-Benzothiazol-2-yl)-4-(oxolan-2-ylmethylsulfamoyl)benzamide612525-86-7C19H19N3O4S2
- Methyl 3-((4-(pyridin-2-yl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate899966-11-1C19H19N3O4S2
- Methyl 1-(1,1-dioxidotetrahydrothiophen-3-yl)-3-(thiophen-2-yl)-1,5,6,7-tetrahydrocyclopenta[b]pyrazolo[4,3-e]pyridine-4-carboxylate1040636-97-2C19H19N3O4S2
- 4-(2-Methylpropanoylamino)-N-(6-methylsulfonyl-1,3-benzothiazol-2-yl)benzamide824418-55-5C19H19N3O4S2
- N-(2,5-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-1,2,4-thiadiazol-5-yl)thio)acetamide864922-39-4C19H19N3O4S2
- (E)-3-(Furan-2-yl)-N-(6-(piperidin-1-ylsulfonyl)benzo[d]thiazol-2-yl)acrylamide881042-49-5C19H19N3O4S2
- N-[2-[4-Methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl]-4-nitrobenzenesulfonamide873010-38-9C19H19N3O4S2
- N-[3-(6-Ethylsulfonylpyridazin-3-yl)phenyl]-4-methylbenzenesulfonamide1002484-00-5C19H19N3O4S2
- 3,4-Dimethoxy-N-(4-(2-oxo-2-((thiophen-2-ylmethyl)amino)ethyl)thiazol-2-yl)benzamide921587-05-5C19H19N3O4S2
- Ethyl 2-[2-({3-ethyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamido]benzoate1252839-96-5C19H19N3O4S2
- 1-(3,5-Dimethylphenyl)-3-(4-nitrophenyl)tetrahydro-1H-thieno[3,4-d]imidazole-2(3H)-thione 5,5-dioxide946203-11-8C19H19N3O4S2
- N-(1,3-Benzodioxol-5-yl)-2-[(3-butyl-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide1260912-07-9C19H19N3O4S2
- 3-Methyl-N-((1-methyl-1H-pyrrol-2-yl)methyl)-2-oxo-N-(thiophen-2-ylmethyl)-2,3-dihydrobenzo[d]oxazole-5-sulfonamide1448058-15-8C19H19N3O4S2
- (3-((4-Methoxyphenyl)sulfonyl)azetidin-1-yl)(4-methyl-2-(1H-pyrrol-1-yl)thiazol-5-yl)methanone1797885-21-2C19H19N3O4S2
- N-(6-(Methylsulfonyl)benzo[d]thiazol-2-yl)-2-((5,6,7,8-tetrahydroquinolin-4-yl)oxy)acetamide1790203-14-3C19H19N3O4S2
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[(3,5,6-trimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide677331-70-3C19H19N3O4S2
- Methyl 4-({[(3,5,6-trimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetyl}amino)benzoate769164-83-2C19H19N3O4S2
- 1-(tert-Butyl)-3-methyl-4-((2-nitrophenyl)thio)-1H-pyrazol-5-yl thiophene-2-carboxylate851127-65-6C19H19N3O4S2
- 2-(2,6-Dimethylphenoxy)-N-{4-[(1,3-thiazol-2-yl)sulfamoyl]phenyl}acetamide651018-05-2C19H19N3O4S2
- N-(3,4-Dimethoxyphenyl)-2-{[3-(4-methoxyphenyl)-1,2,4-thiadiazol-5-yl]sulfanyl}acetamide864922-40-7C19H19N3O4S2
- N-(6-Acetyl-3-cyano-5,7-dihydro-4H-thieno[2,3-c]pyridin-2-yl)-3-ethylsulfonylbenzamide886918-81-6C19H19N3O4S2
- 3,4-Dimethyl-N-[3-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide946380-58-1C19H19N3O4S2
- 2,4-Dimethyl-N-[3-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide946256-14-0C19H19N3O4S2
- 4-Ethyl-N-[3-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide1002483-76-2C19H19N3O4S2
- 3,5-Dimethyl-N-[3-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide1002483-90-0C19H19N3O4S2
- 3,4-Dimethyl-N-[4-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide921793-90-0C19H19N3O4S2
- 2,4-Dimethyl-N-[4-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide921585-01-5C19H19N3O4S2
- 4-Ethyl-N-[4-(6-methylsulfonylpyridazin-3-yl)phenyl]benzenesulfonamide921585-19-5C19H19N3O4S2
- 2-{2-[(Benzenesulfonyl)imino]-3-ethyl-4-oxo-1,3-thiazolidin-5-YL}-N-phenylacetamide618421-29-7C19H19N3O4S2
- 4-((4-Methoxyphenyl)sulfonyl)-N-(4-(pyridin-3-yl)thiazol-2-yl)butanamide922962-14-9C19H19N3O4S2
- N-(2-Methoxyphenethyl)-2-(phenylsulfonamido)thiazole-4-carboxamide1021259-51-7C19H19N3O4S2
- N-(4-Methoxyphenethyl)-2-(phenylsulfonamido)thiazole-4-carboxamide1021259-52-8C19H19N3O4S2
- N-(3-Methoxyphenethyl)-2-(phenylsulfonamido)thiazole-4-carboxamide1021213-15-9C19H19N3O4S2
- 2-(4-Methoxyphenylsulfonamido)-N-phenethylthiazole-4-carboxamide1021259-99-3C19H19N3O4S2
- 3-(2-Benzenesulfonamido-1,3-thiazol-4-yl)-N-(2-methoxyphenyl)propanamide1040640-87-6C19H19N3O4S2
- Ethyl 4-[2-({3-ethyl-4-oxo-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamido]benzoate1252876-08-6C19H19N3O4S2
- N-(4-(3-((3,4-Dimethoxyphenyl)amino)-3-oxopropyl)thiazol-2-yl)thiophene-2-carboxamide1021022-93-4C19H19N3O4S2
- N-(1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-phenyl-1H-pyrazol-5-yl)benzenesulfonamide1172544-32-9C19H19N3O4S2
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-({4-oxo-3-propyl-3H,4H-thieno[3,2-d]pyrimidin-2-yl}sulfanyl)acetamide1261022-02-9C19H19N3O4S2
- N-(4-((3-((4-Methylbenzo[d]thiazol-2-yl)oxy)azetidin-1-yl)sulfonyl)phenyl)acetamide1396862-04-6C19H19N3O4S2
- 1-(4-((3-(5-(Thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)sulfonyl)phenyl)ethanone1797061-11-0C19H19N3O4S2
- Nav3V4A3LS727349-17-9C19H19N3O4S2
- N-[(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)carbamothioyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide898109-86-9C19H19N3O4S2
- N-[3-(2-Methoxyethyl)-6-nitro-1,3-benzothiazol-2-ylidene]-3-phenylsulfanylpropanamide865174-43-2C19H19N3O4S2
- (Z)-N-(3-Allyl-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)-3-phenoxypropanamide865176-32-5C19H19N3O4S2
- 4-(Dimethylsulfamoyl)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]benzamide313529-30-5C19H19N3O4S2
- (Z)-N-(3-Allyl-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)-4-ethoxybenzamide865180-23-0C19H19N3O4S2
- 2-(3,5-Dimethylphenoxy)-N-{4-[(1,3-thiazol-2-yl)sulfamoyl]phenyl}acetamide651017-71-9C19H19N3O4S2
- N-(2,4-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-1,2,4-thiadiazol-5-yl)thio)acetamide864922-38-3C19H19N3O4S2
- N-(6-Acetyl-3-cyano-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-2-tosylacetamide895451-25-9C19H19N3O4S2
- N-(5-(2-(Methylthio)phenyl)-1,3,4-oxadiazol-2-yl)-3-tosylpropanamide886911-63-3C19H19N3O4S2
- N-(5-(4-(Methylthio)phenyl)-1,3,4-oxadiazol-2-yl)-3-tosylpropanamide886920-19-0C19H19N3O4S2
- N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2,5-dimethoxybenzenesulfonamide893986-19-1C19H19N3O4S2
- N-(5-(3-(Methylthio)phenyl)-1,3,4-oxadiazol-2-yl)-3-tosylpropanamide886915-90-8C19H19N3O4S2
- 3-(4-Methylphenyl)sulfanyl-N-[5-(2-methylsulfonylphenyl)-1,3,4-oxadiazol-2-yl]propanamide886926-42-7C19H19N3O4S2
- N-(6-Acetyl-3-cyano-5,7-dihydro-4H-thieno[2,3-c]pyridin-2-yl)-2-ethylsulfonylbenzamide886923-28-0C19H19N3O4S2
- 1,3-Benzothiazol-6-yl{4-[(4-methoxyphenyl)sulfonyl]piperazino}methanone1003084-85-2C19H19N3O4S2
Frequently asked questions
What is the molar mass of C19H19N3O4S2?
The molar mass of C19H19N3O4S2 is 417.50 g/mol, calculated from standard atomic weights for 19 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 417.0817 Da.
How many compounds have the formula C19H19N3O4S2?
CompoundList lists 142 compounds with the molecular formula C19H19N3O4S2, including 2-(2,3-Dimethylphenoxy)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]acetamide, 3-Allyl-5-(2-furyl)-2-{[2-(4-morpholinyl)-2-oxoethyl]thio}thieno[2,3-d]pyrimidin-4(3H)-one, N-(1,3-Benzodioxol-5-yl)-2-[(3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-D]pyrimidin-2-yl)sulfanyl]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 C19H19N3O4S2?
C19H19N3O4S2 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.