Molecular formula
C21H19N3O3S
208 compounds have this formula on CompoundList.
- Molar mass
- 393.46g/mol
- Monoisotopic mass
- 396.1335Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H19N3O3S describes a molecule made of 21 carbon atoms, 19 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 × 2164.11%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 194.87%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 310.68%14.007 × 3 = 42.021 g/mol
- O Oxygen × 312.20%15.999 × 3 = 47.997 g/mol
- S Sulfur × 18.15%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H19N3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 208 compounds
Amsacrine
CAS 51264-14-3C21H19N3O3S
2-(4-Ethoxyphenyl)-3-(4-(methylsulfonyl)phenyl)pyrazolo(1,5-b)pyridazine
CAS 221148-46-5C21H19N3O3S
o-Amsacrine
CAS 51264-17-6C21H19N3O3S
![N-[2-(2,4-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-1,3-benzodioxole-5-carboxamide chemical structure, C21H19N3O3S, CAS 476458-31-8](/s/BCHAKAQIAKWFAO-UHFFFAOYSA-N.svg)
N-[2-(2,4-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-1,3-benzodioxole-5-carboxamide
CAS 476458-31-8C21H19N3O3S
![(5Z)-5-(2-Ethoxybenzylidene)-2-(4-ethoxyphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one chemical structure, C21H19N3O3S, CAS 606954-34-1](/s/POLORKNJPHGGQJ-AQTBWJFISA-N.svg)
(5Z)-5-(2-Ethoxybenzylidene)-2-(4-ethoxyphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one
CAS 606954-34-1C21H19N3O3S
![5-(4-Methoxyphenyl)-7-methyl-3-oxo-N-phenyl-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide chemical structure, C21H19N3O3S, CAS 313705-12-3](/s/UBEMMOWYPDESNW-UHFFFAOYSA-N.svg)
5-(4-Methoxyphenyl)-7-methyl-3-oxo-N-phenyl-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxamide
CAS 313705-12-3C21H19N3O3S
(5-(2-Nitrophenyl)furan-2-yl)(4-phenylpiperazin-1-yl)methanethione
CAS 301339-03-7C21H19N3O3S
1-Methyl-N-(4-methylphenyl)-6-oxo-2-phenacylsulfanylpyrimidine-5-carboxamide
CAS 891106-64-2C21H19N3O3S
![2-{[6-(Acetylamino)-3-pyridinyl]sulfanyl}-N-(4-methoxyphenyl)benzenecarboxamide chemical structure, C21H19N3O3S, CAS 338392-21-5](/s/JKINMFTZKPYPNE-UHFFFAOYSA-N.svg)
2-{[6-(Acetylamino)-3-pyridinyl]sulfanyl}-N-(4-methoxyphenyl)benzenecarboxamide
CAS 338392-21-5C21H19N3O3S
(5-(3-Nitrophenyl)furan-2-yl)(4-phenylpiperazin-1-yl)methanethione
CAS 301339-04-8C21H19N3O3S
3-(2,3-Dihydroindol-1-ylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide
CAS 380466-15-9C21H19N3O3S
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[6-(4-methylphenyl)pyridazin-3-yl]sulfanylacetamide chemical structure, C21H19N3O3S, CAS 872689-28-6](/s/QVTGEHVTYPZGDS-UHFFFAOYSA-N.svg)
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[6-(4-methylphenyl)pyridazin-3-yl]sulfanylacetamide
CAS 872689-28-6C21H19N3O3S
![2-[6-(1,3-Benzodioxol-5-yl)pyridazin-3-yl]sulfanyl-N-(2,3-dimethylphenyl)acetamide chemical structure, C21H19N3O3S, CAS 872695-42-6](/s/YZQZQUAKFNPEBG-UHFFFAOYSA-N.svg)
2-[6-(1,3-Benzodioxol-5-yl)pyridazin-3-yl]sulfanyl-N-(2,3-dimethylphenyl)acetamide
CAS 872695-42-6C21H19N3O3S
N-(4-Methylpyridin-2-yl)-4-(2-phenylethenesulfonamido)benzamide
CAS 1009906-78-8C21H19N3O3S
N-(5-Methylpyridin-2-yl)-4-(2-phenylethenesulfonamido)benzamide
CAS 1016156-36-7C21H19N3O3S
![(5E)-5-(4-Ethoxy-3-methoxybenzylidene)-2-(4-methylphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one chemical structure, C21H19N3O3S, CAS 606950-93-0](/s/MSRIOXIOKSAGBZ-LDADJPATSA-N.svg)
(5E)-5-(4-Ethoxy-3-methoxybenzylidene)-2-(4-methylphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one
CAS 606950-93-0C21H19N3O3S
(5E)-5-(3-Methoxybenzylidene)-2-(4-propoxyphenyl)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one
CAS 606953-75-7C21H19N3O3S
![N-[1-(4-Methoxyphenyl)benzimidazol-5-yl]-4-methylbenzenesulfonamide chemical structure, C21H19N3O3S, CAS 34707-77-2](/s/VNPZELIQHSJNSP-UHFFFAOYSA-N.svg)
N-[1-(4-Methoxyphenyl)benzimidazol-5-yl]-4-methylbenzenesulfonamide
CAS 34707-77-2C21H19N3O3S
N-(3-Methylpyridin-2-yl)-4-(2-phenylethenesulfonamido)benzamide
CAS 1090371-52-0C21H19N3O3S
Methanesulfonanilide, 4'-((3-methoxy-9-acridinyl)amino)-
CAS 59748-95-7C21H19N3O3S
Methanesulfonanilide, 4'-(2-methoxy-9-acridinylamino)-
CAS 53222-12-1C21H19N3O3S
![N-[3-[(4-Methoxyphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]pyridine-3-carboxamide chemical structure, C21H19N3O3S, CAS 301322-21-4](/s/RWLPGIFZHJJMIK-UHFFFAOYSA-N.svg)
N-[3-[(4-Methoxyphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]pyridine-3-carboxamide
CAS 301322-21-4C21H19N3O3S
Methanesulfonanilide, 4'-((4-methoxy-9-acridinyl)amino)-
CAS 61417-05-8C21H19N3O3S
N-(1,3-Benzothiazol-2-yl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-4-methylpentanamide
CAS 329909-90-2C21H19N3O3S
- N-(2,4-Dimethoxyphenyl)-3-methyl-1-phenylthieno[2,3-c]pyrazole-5-carboxamide442653-29-4C21H19N3O3S
- Methanesulfonanilide, 4'-((1-methoxy-9-acridinyl)amino)-61417-04-7C21H19N3O3S
- 2,3-Dimethoxy-N-(3-{3-methylimidazo[2,1-b][1,3]thiazol-6-yl}phenyl)benzamide893979-34-5C21H19N3O3S
- N-(2-(Indolin-1-yl)-2-(thiophen-2-yl)ethyl)-2-nitrobenzamide903286-79-3C21H19N3O3S
- Benzofuran-2-yl(4-((4-(furan-2-yl)thiazol-2-yl)methyl)piperazin-1-yl)methanone1105198-55-7C21H19N3O3S
- N-(2,4-Dimethoxyphenyl)-3-methyl-6-phenylimidazo[2,1-b][1,3]thiazole-2-carboxamide852133-61-0C21H19N3O3S
- N-(2,5-Dimethoxyphenyl)-3-methyl-6-phenylimidazo[2,1-b][1,3]thiazole-2-carboxamide852133-62-1C21H19N3O3S
- 3-[1,1-Dioxido-2-(piperidin-1-ylcarbonyl)-4H-1,4-benzothiazin-4-yl]benzonitrile1251688-50-2C21H19N3O3S
- (5Z)-5-[(2-Methoxyphenyl)methylidene]-2-(4-propan-2-yloxyphenyl)-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-one371208-40-1C21H19N3O3S
- 2-(3,4-Dimethoxyphenyl)-N-(4-(imidazo[2,1-b]thiazol-6-yl)phenyl)acetamide784160-64-1C21H19N3O3S
- 3-Hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-5-phenyl-4-(thiophen-2-ylcarbonyl)-1,5-dihydro-2H-pyrrol-2-one378210-45-8C21H19N3O3S
- (2Z)-N-Benzyl-2-cyano-2-[5-(2-hydroxyethyl)-4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene]ethanamide799819-29-7C21H19N3O3S
- N-(2-(2,3-Dimethylphenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzo[d][1,3]dioxole-5-carboxamide450344-31-7C21H19N3O3S
- 2-[(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)imino]-8-ethoxychromene-3-carboxamide5640-97-1C21H19N3O3S
- N-(2-Methoxy-5-methylphenyl)-2-((2-methylbenzofuro[3,2-d]pyrimidin-4-yl)thio)acetamide847163-93-3C21H19N3O3S
- N-(4-Ethoxyphenyl)-2-{4-methyl-6-oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}acetamide1040657-01-9C21H19N3O3S
- 2,4-Dimethoxy-N-(3-(3-methylimidazo[2,1-b]thiazol-6-yl)phenyl)benzamide893981-64-1C21H19N3O3S
- 2,6-Dimethoxy-N-(4-(3-methylimidazo[2,1-b]thiazol-6-yl)phenyl)benzamide893985-60-9C21H19N3O3S
- Ethyl 2-((4-oxo-3-phenyl-4,5-dihydro-3H-pyrimido[5,4-b]indol-2-yl)thio)propanoate536704-18-4C21H19N3O3S
- 3-Ethyl-2-[2-(4-methoxyphenyl)-2-oxoethyl]sulfanyl-5H-pyrimido[5,4-b]indol-4-one887216-53-7C21H19N3O3S
- N-Biphenyl-4-yl-6-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine-3-carboxamide 1,1-dioxide941877-29-8C21H19N3O3S
- N-(2-Methoxy-5-methylphenyl)-2-{4-methyl-6-oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}acetamide1040678-15-6C21H19N3O3S
- N-[(3-Methoxyphenyl)methyl]-2-{4-methyl-6-oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}acetamide1040670-50-5C21H19N3O3S
- (E)-3-(2,5-Dioxopyrrolidin-1-yl)-N-(3,4,6-trimethylbenzo[d]thiazol-2(3H)-ylidene)benzamide681163-76-8C21H19N3O3S
- 4-(Methylthio)-2-((2-phenylbenzofuro[3,2-d]pyrimidin-4-yl)amino)butanoic acid1009755-86-5C21H19N3O3S
- 3,5-Dimethoxy-N-(3-(3-methylimidazo[2,1-b]thiazol-6-yl)phenyl)benzamide893978-54-6C21H19N3O3S
- N-(3-Acetylphenyl)-2-[2-(benzylsulfanyl)-6-oxo-1,6-dihydropyrimidin-4-yl]acetamide1105209-59-3C21H19N3O3S
- 6-Acetyl-2-(naphthalene-1-carbonylamino)-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxamide887891-76-1C21H19N3O3S
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)naphthalene-2-sulfonamide305374-62-3C21H19N3O3S
- N-[1-[[2-(Ethylthio)-4-pyrimidinyl]oxy]-2-oxo-2-phenylethyl]benzamide312507-34-9C21H19N3O3S
- (E)-2-(1,3-Dioxoisoindolin-2-yl)-N-(6-isopropyl-3-methylbenzo[d]thiazol-2(3H)-ylidene)acetamide1321914-68-4C21H19N3O3S
- 6-[4,5-Bis(4-methoxyphenyl)-2-thiazolyl]-4,5-dihydro-3(2H)-pyridazinone130717-54-3C21H19N3O3S
- 3-[(4,7-Dimethylquinazolin-2-yl)sulfanyl]-1-(4-methoxyphenyl)pyrrolidine-2,5-dione335210-94-1C21H19N3O3S
- N-[3-[(3-Methoxyphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]pyridine-3-carboxamide717857-29-9C21H19N3O3S
- 2-{[3-Cyano-4-(4-methoxyphenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}-N-phenylacetamide361159-83-3C21H19N3O3S
- Ethyl 4-(4-((pyrimidin-2-ylthio)methyl)benzamido)benzoate826997-41-5C21H19N3O3S
- 4-Ethoxy-N-(3-imidazo[1,2-a]pyridin-2-ylphenyl)benzenesulfonamide309291-50-7C21H19N3O3S
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-3-(1,3-dioxoisoindol-2-yl)propanamide381171-02-4C21H19N3O3S
- 2-(((3,5-Dimethylisoxazol-4-yl)methyl)thio)-3-(4-methoxyphenyl)quinazolin-4(3H)-one852828-17-2C21H19N3O3S
- 5-Amino-4-[4-(3,4-dimethoxyphenyl)-1,3-thiazol-2-yl]-1-phenyl-1,2-dihydro-3H-pyrrol-3-one885460-77-5C21H19N3O3S
- (E)-2-Cyano-2-(5-(4-methoxybenzyl)-4-oxo-3-(m-tolyl)thiazolidin-2-ylidene)acetamide924819-62-5C21H19N3O3S
- 4-Hydroxy-N-(6-methyl-1,3-benzothiazol-2-yl)-2-oxo-1-propyl-1,2-dihydroquinoline-3-carboxamide423145-56-6C21H19N3O3S
- 1-(4-Methoxyphenyl)-2-(3-nitrophenyl)-5,6,7,8-tetrahydroquinazoline-4-thione431977-35-4C21H19N3O3S
- 1-(4-Methoxyphenyl)-2-(4-nitrophenyl)-5,6,7,8-tetrahydroquinazoline-4-thione433255-33-5C21H19N3O3S
- N-[(4-Acetamidophenyl)carbamothioyl]-3-methoxynaphthalene-2-carboxamide429642-31-9C21H19N3O3S
- Ethyl 2-[[3-(4-methylphenyl)-4-oxo-5H-pyrimido[5,4-b]indol-2-yl]sulfanyl]acetate536705-12-1C21H19N3O3S
- 1-Methyl-2-[2-(4-methylphenyl)-2-oxoethyl]sulfanyl-6-oxo-N-phenylpyrimidine-5-carboxamide891099-90-4C21H19N3O3S
- 2-(5-(3,4-Dimethylphenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)-N-(furan-2-ylmethyl)acetamide459418-55-4C21H19N3O3S
- 1-(3-Methoxyphenyl)-2-(3-nitrophenyl)-5,6,7,8-tetrahydroquinazoline-4-thione433973-15-0C21H19N3O3S
- 3-[(6-Ethoxy-4-methylquinazolin-2-yl)sulfanyl]-1-phenylpyrrolidine-2,5-dione371217-18-4C21H19N3O3S
- N-(5,5-Dimethyl-7-oxo-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)-2-phenoxynicotinamide946386-56-7C21H19N3O3S
- N-((7-Methylimidazo[1,2-a]pyridin-2-yl)methyl)-4-phenoxybenzenesulfonamide868972-38-7C21H19N3O3S
- N-(2-Imidazo[1,2-a]pyridin-2-ylethyl)-4-phenoxybenzenesulfonamide868978-65-8C21H19N3O3S
- (3,5-Dimethyl-1H-pyrazol-1-yl)(2-methyl-1,1-dioxido-4-phenyl-2H-benzo[e][1,2]thiazin-3-yl)methanone1015868-04-8C21H19N3O3S
- N-(5-Ethyl-4-phenyl-1,3-thiazol-2-yl)-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide874584-81-3C21H19N3O3S
- (E)-4-(2,5-Dioxopyrrolidin-1-yl)-N-(3,4,6-trimethylbenzo[d]thiazol-2(3H)-ylidene)benzamide681162-02-7C21H19N3O3S
- (2E)-2-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-3-[(4-methoxyphenyl)amino]prop-2-enenitrile450353-14-7C21H19N3O3S
- N-(3-Acetylphenyl)-2-((6-(2-methoxyphenyl)pyridazin-3-yl)thio)acetamide893981-38-9C21H19N3O3S
- 2-((6-(Benzo[d][1,3]dioxol-5-yl)pyridazin-3-yl)thio)-N-phenethylacetamide872695-51-7C21H19N3O3S
- N-(4-{Imidazo[1,2-a]pyridin-2-yl}phenyl)-4-methoxy-3-methylbenzene-1-sulfonamide873587-54-3C21H19N3O3S
- 3-Methoxy-N~1~-[4-(5-methoxy-2-methyl-1H-indol-3-yl)-1,3-thiazol-2-yl]benzamide951962-33-7C21H19N3O3S
- 2-(Benzo[d]oxazol-2-ylthio)-N-(3-(quinolin-8-yloxy)propyl)acetamide1207011-37-7C21H19N3O3S
- N-(3-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-3-methyl-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide1226443-76-0C21H19N3O3S
- 1-[4-(2-Hydroxyethoxy)phenyl]-5-imino-4-(4-phenyl-1,3-thiazol-2-yl)-2,5-dihydro-1H-pyrrol-3-ol1676074-25-1C21H19N3O3S
- N-[1-(2-Methoxyphenyl)-1H-benzimidazol-5-yl]-4-methylbenzenesulfonamide325822-50-2C21H19N3O3S
- (E)-3-((3,4-Dimethoxyphenyl)amino)-2-(4-(3-methoxyphenyl)thiazol-2-yl)acrylonitrile377051-78-0C21H19N3O3S
- (E)-3-((3,4-Dimethoxyphenyl)amino)-2-(4-(4-methoxyphenyl)thiazol-2-yl)acrylonitrile378202-46-1C21H19N3O3S
- Ethyl 4-amino-2-[(2-oxo-1,2-diphenylethyl)sulfanyl]-5-pyrimidinecarboxylate700852-95-5C21H19N3O3S
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-3-(2,5-dioxopyrrolidin-1-yl)benzamide391867-83-7C21H19N3O3S
- N-(3-Cyano-5-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-4-(2,5-dioxopyrrolidin-1-yl)benzamide330201-01-9C21H19N3O3S
- N-(4-Acetylphenyl)-2-((6-(2-methoxyphenyl)pyridazin-3-yl)thio)acetamide893979-63-0C21H19N3O3S
- N-(4-Acetylphenyl)-2-(3-cyclopropyl-4-oxoquinazolin-2-yl)sulfanylacetamide777873-67-3C21H19N3O3S
- N-(4-(Imidazo[1,2-a]pyridin-2-yl)phenyl)-2-methoxy-5-methylbenzenesulfonamide873587-60-1C21H19N3O3S
- 2-[(3-Ethyl-4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]-N-(2-methylphenyl)acetamide899962-11-9C21H19N3O3S
- 2-[(3-Ethyl-4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]-N-(4-methylphenyl)acetamide900004-46-8C21H19N3O3S
- N-{4-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]-1,3-thiazol-2-yl}-4-methoxybenzamide921835-44-1C21H19N3O3S
Frequently asked questions
What is the molar mass of C21H19N3O3S?
The molar mass of C21H19N3O3S is 393.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 396.1335 Da.
How many compounds have the formula C21H19N3O3S?
CompoundList lists 208 compounds with the molecular formula C21H19N3O3S, including Amsacrine, 2-(4-Ethoxyphenyl)-3-(4-(methylsulfonyl)phenyl)pyrazolo(1,5-b)pyridazine, o-Amsacrine. 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 C21H19N3O3S?
C21H19N3O3S has a degree of unsaturation of 14. 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.