Molecular formula
C21H20N2O2S
128 compounds have this formula on CompoundList.
- Molar mass
- 364.46g/mol
- Monoisotopic mass
- 364.1245Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H20N2O2S describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 2 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 × 2169.21%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.53%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 27.69%14.007 × 2 = 28.014 g/mol
- O Oxygen × 28.78%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.80%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H20N2O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 128 compounds
![(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one chemical structure, C21H20N2O2S, CAS 1338540-63-8](/s/OETLNMOJNONWOY-LBPRGKRZSA-N.svg)
(R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one
CAS 1338540-63-8C21H20N2O2S
RefChem:381338
CAS 5925-36-0C21H20N2O2S
![N-[(1,2-Dimethylindol-5-yl)methyl]naphthalene-2-sulfonamide chemical structure, C21H20N2O2S, CAS 852139-29-8](/s/BODQLWVKWBTRKS-UHFFFAOYSA-N.svg)
N-[(1,2-Dimethylindol-5-yl)methyl]naphthalene-2-sulfonamide
CAS 852139-29-8C21H20N2O2S
![3-Methyl-2-[[2-oxo-2-(5,6,7,8-tetrahydro-2-naphthalenyl)ethyl]thio]-4(3H)-quinazolinone chemical structure, C21H20N2O2S, CAS 299919-93-0](/s/NOMBAILLZMWZCS-UHFFFAOYSA-N.svg)
3-Methyl-2-[[2-oxo-2-(5,6,7,8-tetrahydro-2-naphthalenyl)ethyl]thio]-4(3H)-quinazolinone
CAS 299919-93-0C21H20N2O2S
Benzyl 6-methyl-4-(2-phenylvinyl)-2-thioxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate
CAS 1164481-92-8C21H20N2O2S
![{2-[(4-Methylphenyl)sulfanyl]-3-pyridinyl}methyl N-(2-methylphenyl)carbamate chemical structure, C21H20N2O2S, CAS 338413-57-3](/s/OEYDJZHNQNTOCC-UHFFFAOYSA-N.svg)
{2-[(4-Methylphenyl)sulfanyl]-3-pyridinyl}methyl N-(2-methylphenyl)carbamate
CAS 338413-57-3C21H20N2O2S
N'-(2,5-Dimethylphenyl)sulfonyl-N-phenylbenzenecarboximidamide
CAS 14067-92-6C21H20N2O2S
N-(9-Ethyl-9H-carbazol-3-yl)-2-methylbenzenesulfonamide
CAS 723757-47-9C21H20N2O2S
2-(2,2-Diphenylacetamido)-4,5-dimethylthiophene-3-carboxamide
CAS 433256-80-5C21H20N2O2S
7-Diethylamino-3-(4'-isothiocyanatophenyl)-4-methylcoumarin
CAS 107743-39-5C21H20N2O2S
2-(1,3-Benzoxazol-2-ylsulfanyl)-1-(2,2,4-trimethylquinolin-1-yl)ethanone
CAS 298204-19-0C21H20N2O2S
![N-[3-({[4-(Propan-2-yl)phenyl]carbonyl}amino)phenyl]thiophene-2-carboxamide chemical structure, C21H20N2O2S, CAS 431908-03-1](/s/QCNDNNYQNBIPNA-UHFFFAOYSA-N.svg)
N-[3-({[4-(Propan-2-yl)phenyl]carbonyl}amino)phenyl]thiophene-2-carboxamide
CAS 431908-03-1C21H20N2O2S
2-(1,3-Benzothiazol-2-yloxy)-1-(2,2,4-trimethylquinolin-1-yl)ethanone
CAS 332044-21-0C21H20N2O2S
![(E)-3-(4-Methoxyphenyl)-N-[5-[(3-methylphenyl)methyl]-1,3-thiazol-2-yl]prop-2-enamide chemical structure, C21H20N2O2S, CAS 304895-75-8](/s/NVAVHXBTUBZJJK-DHZHZOJOSA-N.svg)
(E)-3-(4-Methoxyphenyl)-N-[5-[(3-methylphenyl)methyl]-1,3-thiazol-2-yl]prop-2-enamide
CAS 304895-75-8C21H20N2O2S
![N-{1-[Benzyl(methyl)amino]-2-oxo-2-phenylethyl}thiophene-2-carboxamide chemical structure, C21H20N2O2S, CAS 324543-69-3](/s/SZTRKUSRGNABHK-UHFFFAOYSA-N.svg)
N-{1-[Benzyl(methyl)amino]-2-oxo-2-phenylethyl}thiophene-2-carboxamide
CAS 324543-69-3C21H20N2O2S
2-((4,5-Diphenyloxazol-2-yl)thio)-1-(pyrrolidin-1-yl)ethanone
CAS 304862-04-2C21H20N2O2S
(Z)-Ethyl 2-((3-allyl-4-phenylthiazol-2(3H)-ylidene)amino)benzoate
CAS 327072-18-4C21H20N2O2S
![1-[2-(2-Methoxyphenoxy)ethyl]-2-[(thiophen-2-yl)methyl]-1H-1,3-benzodiazole chemical structure, C21H20N2O2S, CAS 912897-19-9](/s/DRCMDGHMPIRXNC-UHFFFAOYSA-N.svg)
1-[2-(2-Methoxyphenoxy)ethyl]-2-[(thiophen-2-yl)methyl]-1H-1,3-benzodiazole
CAS 912897-19-9C21H20N2O2S
![7-tert-Butyl-9-hydroxy-2-phenyl-1,5-dihydrochromeno[2,3-d]pyrimidine-4-thione chemical structure, C21H20N2O2S, CAS 866897-08-7](/s/AUKDPJXBIWATRK-UHFFFAOYSA-N.svg)
7-tert-Butyl-9-hydroxy-2-phenyl-1,5-dihydrochromeno[2,3-d]pyrimidine-4-thione
CAS 866897-08-7C21H20N2O2S
4-Benzoyl-N-(4-tert-butyl-1,3-thiazol-2-yl)benzamide
CAS 325988-04-3C21H20N2O2S
N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-3,5,6-trimethyl-1-benzofuran-2-carboxamide
CAS 622349-52-4C21H20N2O2S
4-Acetyl-N-(4-(4-isopropylphenyl)thiazol-2-yl)benzamide
CAS 312605-26-8C21H20N2O2S
![1-[(3-Methylphenyl)methyl]-N-[2-(methylsulfanyl)phenyl]-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H20N2O2S, CAS 899754-06-4](/s/VTMNXJNNCKDETM-UHFFFAOYSA-N.svg)
1-[(3-Methylphenyl)methyl]-N-[2-(methylsulfanyl)phenyl]-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 899754-06-4C21H20N2O2S
![N-(4H-Chromeno[4,3-d]thiazol-2-yl)-2-(4-isopropylphenyl)acetamide chemical structure, C21H20N2O2S, CAS 923386-35-0](/s/PDZYXRMQCOMOAT-UHFFFAOYSA-N.svg)
N-(4H-Chromeno[4,3-d]thiazol-2-yl)-2-(4-isopropylphenyl)acetamide
CAS 923386-35-0C21H20N2O2S
- Butyl 4-(quinoline-2-thioamido)benzoate946309-77-9C21H20N2O2S
- 3-Amino-7,7-dimethyl-2-(4-methylbenzoyl)-7,8-dihydrothieno[2,3-b]quinolin-5(6H)-one342780-10-3C21H20N2O2S
- Coumarin 52772102-92-2C21H20N2O2S
- (Z)-N-(4-Ethoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-3,4-dimethylbenzamide1006014-10-3C21H20N2O2S
- 6-Benzylsulfanyl-4-(4-ethoxyphenyl)-2-oxo-3,4-dihydro-1H-pyridine-5-carbonitrile327170-20-7C21H20N2O2S
- S-[Diphenyl(pyridin-4-yl)methyl]-L-cysteine62982-12-1C21H20N2O2S
- 2-(2-(Naphthalen-1-yl)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide300571-89-5C21H20N2O2S
- N-Naphthalen-1-yl-2-(propanoylamino)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide352226-10-9C21H20N2O2S
- N-[(Z)-1,2-Diphenylethylideneamino]-4-methylbenzenesulfonamide19816-85-4C21H20N2O2S
- 5-Benzyl-4-methyl-2-[(2-methylbenzoyl)amino]-3-thiophenecarboxamide314284-66-7C21H20N2O2S
- 5-Benzyl-4-methyl-2-[(3-methylbenzoyl)amino]-3-thiophenecarboxamide314282-04-7C21H20N2O2S
- Ethyl 4-[(2,5-dimethylphenyl)sulfanyl]-2-phenyl-5-pyrimidinecarboxylate477854-64-1C21H20N2O2S
- 2-(2-Methoxy-1-naphthyl)-2,3,5,6,7,8-hexahydro[1]benzothieno[2,3-d]pyrimidin-4(1H)-one303132-62-9C21H20N2O2S
- 4-[4-(2-Thienyl)-2-pyrimidinyl]phenyl cyclohexanecarboxylate477862-36-5C21H20N2O2S
- N-[4-[(4-Propan-2-ylbenzoyl)amino]phenyl]thiophene-2-carboxamide425651-32-7C21H20N2O2S
- N-(5-(4-Methylbenzyl)thiazol-2-yl)chroman-3-carboxamide919018-18-1C21H20N2O2S
- 2-[2-(2-Naphthalen-2-yloxyethylsulfanyl)benzimidazol-1-yl]ethanol331948-95-9C21H20N2O2S
- (2Z,5E)-2-[(2,4-Dimethylphenyl)imino]-5-[4-(prop-2-en-1-yloxy)benzylidene]-1,3-thiazolidin-4-one641998-57-4C21H20N2O2S
- 5-Benzyl-4-methyl-2-[(4-methylbenzoyl)amino]-3-thiophenecarboxamide314284-63-4C21H20N2O2S
- N-(3,4-Dimethylphenyl)-2-[(2-thiophen-2-ylacetyl)amino]benzamide355402-84-5C21H20N2O2S
- 1-(3,4-Dimethylphenyl)-3-[2-(4-methylphenyl)-2-oxoethyl]sulfanylpyrazin-2-one932301-57-0C21H20N2O2S
- 3-Methoxy-1-{2-[2-(2-thienylmethyl)benzimidazolyl]ethoxy}benzene912902-01-3C21H20N2O2S
- 1-(2-Methoxybenzyl)-3-(4-phenoxyphenyl)thiourea516459-43-1C21H20N2O2S
- 1-(4-Methyl-2-oxochromen-7-yl)-3-(1,2,3,4-tetrahydronaphthalen-1-yl)thiourea706772-77-2C21H20N2O2S
- 5-Benzyl-2-(3-phenylpropanoylamino)thiophene-3-carboxamide896686-48-9C21H20N2O2S
- 2-[(1-Piperidinylimino)methyl]-1-benzothien-3-yl benzoate312939-11-0C21H20N2O2S
- N-Methyl-2-[2-(naphthalen-1-yl)acetamido]-4H,5H,6H-cyclopenta[b]thiophene-3-carboxamide868965-67-7C21H20N2O2S
- (2Z,5Z)-2-[(2,3-Dimethylphenyl)imino]-5-[4-(prop-2-en-1-yloxy)benzylidene]-1,3-thiazolidin-4-one638138-41-7C21H20N2O2S
- (2Z,5Z)-2-[(3,4-Dimethylphenyl)imino]-5-[4-(prop-2-en-1-yloxy)benzylidene]-1,3-thiazolidin-4-one638138-32-6C21H20N2O2S
- 1-[(4-Methoxyphenyl)methyl]-3-(4-phenoxyphenyl)thiourea692775-23-8C21H20N2O2S
- N-(Naphthalen-2-ylcarbamothioyl)-3-propoxybenzamide364619-15-8C21H20N2O2S
- 1-(4-Ethoxyphenyl)-3-(2-phenylsulfanylphenyl)urea708246-79-1C21H20N2O2S
- 2-(1-Naphthamido)-5-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide313405-70-8C21H20N2O2S
- 2-Phenoxy-N-[4-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3-thiazol-2-yl]acetamide683777-66-4C21H20N2O2S
- 2-(2-Naphthamido)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxamide477494-31-8C21H20N2O2S
- N,4,5-trimethyl-2-[(4-phenylbenzoyl)amino]thiophene-3-carboxamide896292-67-4C21H20N2O2S
- 1-[2-(4-Methoxyphenoxy)ethyl]-2-(thiophen-2-ylmethyl)-1H-benzimidazole923114-31-2C21H20N2O2S
- N-(4,5-Dihydronaphtho[1,2-d]thiazol-2-yl)-2-(4-methoxy-3-methylphenyl)acetamide955850-57-4C21H20N2O2S
- 1-Acetyl-4-{[5-(2-naphthyl)-2-thienyl]carbonyl}piperazine1190256-70-2C21H20N2O2S
- 2-(4-Acetamidophenyl)-N-(2-(thiophen-3-yl)benzyl)acetamide1797350-27-6C21H20N2O2S
- 5-Oxo-5-phenyl-N-{[2-(thiophen-3-yl)pyridin-4-yl]methyl}pentanamide2034395-77-0C21H20N2O2S
- 5-Oxo-5-phenyl-N-{[2-(thiophen-2-yl)pyridin-4-yl]methyl}pentanamide2034346-64-8C21H20N2O2S
- 5-Oxo-5-phenyl-N-((5-(thiophen-2-yl)pyridin-3-yl)methyl)pentanamide2034595-52-1C21H20N2O2S
- 1-(3-Methoxybenzyl)-3-(4-phenoxyphenyl)thiourea516459-30-6C21H20N2O2S
- 1-(4-Ethoxyphenyl)-3-(4-phenoxyphenyl)thiourea102318-32-1C21H20N2O2S
- 2-(4-Isopropylphenyl)-9-methoxy-3H-chromeno[2,3-d]pyrimidine-4(5H)-thione866807-94-5C21H20N2O2S
- 4-Methoxy-N-[4-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3-thiazol-2-yl]benzamide684232-70-0C21H20N2O2S
- 5-Methyl-2-(naphthalene-2-carbonylamino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide392239-16-6C21H20N2O2S
- 8'-Methoxy-4',4',6'-trimethyl-3H,4'H-spiro[1,3-benzothiazole-2,1'-pyrrolo[3,2,1-ij]quinolin]-2'-one774561-51-2C21H20N2O2S
- 1-Benzofuran-2-yl-[2-[(2,5-dimethylphenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]methanone851804-75-6C21H20N2O2S
- 2-(4-Methylphenyl)sulfonyl-1-pyridin-4-yl-3,4-dihydro-1H-isoquinoline7062-95-5C21H20N2O2S
- N'-(1,2-Diphenylethylidene)-4-methylbenzenesulfonohydrazide1884342-11-3C21H20N2O2S
- (4-Methoxyphenyl)(3-phenyl-2-thioxo-1,4-diazaspiro[4.4]non-3-en-1-yl)methanone899917-76-1C21H20N2O2S
- 1-{[5-(Naphthalen-2-yl)thiophen-2-yl]carbonyl}piperidine-4-carboxamide1190251-70-7C21H20N2O2S
- 9-[4-[(2S)-1-Aminopropan-2-yl]phenyl]-8-hydroxy-6-methyl-5H-thieno[2,3-c]quinolin-4-one1338541-25-5C21H20N2O2S
- (E)-3-(4-Methoxyphenyl)-N-((4-methyl-2-phenylthiazol-5-yl)methyl)acrylamide1396890-06-4C21H20N2O2S
- (7-Phenyl-1,4-thiazepan-4-yl)(5-phenylisoxazol-3-yl)methanone1797092-41-1C21H20N2O2S
- 4-Methyl-N-[2-[(4-methylphenyl)iminomethyl]phenyl]benzenesulfonamide5570-43-4C21H20N2O2S
- 4-(Ethylsulfanyl)-2-(4-methoxyphenyl)-7-methyl-5H-chromeno[2,3-d]pyrimidine866340-76-3C21H20N2O2S
- 9-Ethoxy-4-ethylsulfanyl-2-phenyl-5H-chromeno[2,3-d]pyrimidine866348-80-3C21H20N2O2S
- N-(5-Methyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)-4-phenoxybenzamide324758-95-4C21H20N2O2S
- 7,7-Dimethyl-5-oxo-2-[(3-oxo-3-phenylpropyl)sulfanyl]-5,6,7,8-tetrahydroquinoline-3-carbonitrile299439-03-5C21H20N2O2S
- 6-Butyl-2-(4-methoxyphenyl)imidazo[2,1-b][1,3]benzothiazole-1-carbaldehyde732291-41-7C21H20N2O2S
- 2-(4-Ethoxyphenyl)-9-methyl-4-(methylsulfanyl)-5H-chromeno[2,3-D]pyrimidine866896-78-8C21H20N2O2S
- 1-[(4-Methylphenyl)methyl]-N-(2-methylsulfanylphenyl)-2-oxopyridine-3-carboxamide946378-15-0C21H20N2O2S
- N-Methyl-2-(naphthalene-2-carbonylamino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide892981-81-6C21H20N2O2S
- 1-(2-Methylbenzyl)-N-(2-(methylthio)phenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide899991-27-6C21H20N2O2S
- 2-[2-(2,4-Dimethylphenyl)acetamido]-5-phenylthiophene-3-carboxamide941957-72-8C21H20N2O2S
- 2-Cyclopentyl-4-(4-phenoxyphenyl)thiazole-5-carboxamide952330-70-0C21H20N2O2S
- N-(2,3-Dihydro-1H-inden-2-yl)-2-[2-(4-methoxyphenyl)-1,3-thiazol-4-yl]acetamide1144440-91-4C21H20N2O2S
- 2-[2-(3,4-Dimethylphenyl)acetamido]-5-phenylthiophene-3-carboxamide946255-40-9C21H20N2O2S
- 9-[4-(2-Aminopropan-2-yl)phenyl]-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one1338542-20-3C21H20N2O2S
- (E)-1-(4-(Quinolin-8-yloxy)piperidin-1-yl)-3-(thiophen-2-yl)prop-2-en-1-one2035000-77-0C21H20N2O2S
- 5-Oxo-5-phenyl-N-((2-(thiophen-2-yl)pyridin-3-yl)methyl)pentanamide2034450-70-7C21H20N2O2S
- 5-Oxo-5-phenyl-N-{[2-(thiophen-3-yl)pyridin-3-yl]methyl}pentanamide2034344-24-4C21H20N2O2S
- N-[4-(3-Methoxyazetidin-1-yl)phenyl]-4-(thiophen-3-yl)benzamide2034261-87-3C21H20N2O2S
Frequently asked questions
What is the molar mass of C21H20N2O2S?
The molar mass of C21H20N2O2S is 364.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 364.1245 Da.
How many compounds have the formula C21H20N2O2S?
CompoundList lists 128 compounds with the molecular formula C21H20N2O2S, including (R)-9-(4-(1-Aminopropan-2-yl)phenyl)-8-hydroxy-6-methylthieno[2,3-c]quinolin-4(5H)-one, RefChem:381338, N-[(1,2-Dimethylindol-5-yl)methyl]naphthalene-2-sulfonamide. 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 C21H20N2O2S?
C21H20N2O2S 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.