Molecular formula
C21H21N3O2S
213 compounds have this formula on CompoundList.
- Molar mass
- 379.48g/mol
- Monoisotopic mass
- 379.1354Da
- Atoms
- 48
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H21N3O2S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 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 × 2166.47%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.58%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 311.07%14.007 × 3 = 42.021 g/mol
- O Oxygen × 28.43%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.45%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H21N3O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 213 compounds
![4-[4-(Methylsulfanyl)phenyl]-6-(2-phenylethyl)-1H,2H,3H,4H,5H,6H,7H-pyrrolo[3,4-d]pyrimidine-2,5-dione chemical structure, C21H21N3O2S, CAS 940745-85-7](/s/ZDJSFPDJXLXNQO-UHFFFAOYSA-N.svg)
4-[4-(Methylsulfanyl)phenyl]-6-(2-phenylethyl)-1H,2H,3H,4H,5H,6H,7H-pyrrolo[3,4-d]pyrimidine-2,5-dione
CAS 940745-85-7C21H21N3O2S
N-(2,4-Dimethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide
CAS 941978-28-5C21H21N3O2S
![N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-(4-ethoxyphenyl)acetamide chemical structure, C21H21N3O2S, CAS 893993-85-6](/s/VUXDLEOHQTWXPJ-UHFFFAOYSA-N.svg)
N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-(4-ethoxyphenyl)acetamide
CAS 893993-85-6C21H21N3O2S
![2-[3-(3,4-Dimethylphenyl)-6-oxopyridazin-1(6H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide chemical structure, C21H21N3O2S, CAS 891393-71-8](/s/BPURNKZDAFTYPA-UHFFFAOYSA-N.svg)
2-[3-(3,4-Dimethylphenyl)-6-oxopyridazin-1(6H)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide
CAS 891393-71-8C21H21N3O2S
N-(2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)ethyl)-3-(phenylthio)propanamide
CAS 921873-24-7C21H21N3O2S
N-(4-(3-Oxo-3-(phenethylamino)propyl)thiazol-2-yl)benzamide
CAS 1021227-39-3C21H21N3O2S
2-(2,2-Dimethylchroman-6-yl)-N-(4-(pyridin-4-yl)thiazol-2-yl)acetamide
CAS 1380584-99-5C21H21N3O2S
2-(2,2-Dimethylchroman-6-yl)-N-(4-(pyridin-3-yl)thiazol-2-yl)acetamide
CAS 1380585-53-4C21H21N3O2S
2-(Benzylthio)-N-(2-((3-cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide
CAS 1797959-31-9C21H21N3O2S
N-(2-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)-2-(ethylthio)benzamide
CAS 1797858-14-0C21H21N3O2S
6-Methoxy-N-((1-methyl-1H-pyrrol-2-yl)methyl)-N-(thiophen-2-ylmethyl)-1H-indole-2-carboxamide
CAS 1797646-73-1C21H21N3O2S
![N-((1-Nicotinoylpiperidin-4-yl)methyl)benzo[b]thiophene-2-carboxamide chemical structure, C21H21N3O2S, CAS 2034539-62-1](/s/MHYHZVDTNZQSKA-UHFFFAOYSA-N.svg)
N-((1-Nicotinoylpiperidin-4-yl)methyl)benzo[b]thiophene-2-carboxamide
CAS 2034539-62-1C21H21N3O2S
4-Morpholino-N-((2-(thiophen-3-yl)pyridin-4-yl)methyl)benzamide
CAS 2034449-10-8C21H21N3O2S
4-Morpholino-N-((2-(thiophen-2-yl)pyridin-3-yl)methyl)benzamide
CAS 2034448-02-5C21H21N3O2S
4-Methylphenyl 2-phenyl-6-(1-pyrrolidinyl)-4-pyrimidinyl sulfone
CAS 478080-71-6C21H21N3O2S
![2-(Butylthio)-3-(4-methoxyphenyl)-3H-pyrimido[5,4-b]indol-4(5H)-one chemical structure, C21H21N3O2S, CAS 536707-78-5](/s/HREKJCQDXFUCRA-UHFFFAOYSA-N.svg)
2-(Butylthio)-3-(4-methoxyphenyl)-3H-pyrimido[5,4-b]indol-4(5H)-one
CAS 536707-78-5C21H21N3O2S
![3-(4-Ethoxyphenyl)-2-propylsulfanyl-5H-pyrimido[5,4-b]indol-4-one chemical structure, C21H21N3O2S, CAS 536710-27-7](/s/DVKHOMCEFCMSCY-UHFFFAOYSA-N.svg)
3-(4-Ethoxyphenyl)-2-propylsulfanyl-5H-pyrimido[5,4-b]indol-4-one
CAS 536710-27-7C21H21N3O2S
4-(Pentanoylamino)-N-(4-phenyl-1,3-thiazol-2-yl)benzamide
CAS 663185-49-7C21H21N3O2S
![3,5-Dimethyl-N-[2-(4-methylphenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide chemical structure, C21H21N3O2S, CAS 1007528-60-0](/s/PHQOGYLMWLCIRU-UHFFFAOYSA-N.svg)
3,5-Dimethyl-N-[2-(4-methylphenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide
CAS 1007528-60-0C21H21N3O2S
![4-Isopropoxy-N-(2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide chemical structure, C21H21N3O2S, CAS 476458-00-1](/s/IEPQAIHSZZDVQP-UHFFFAOYSA-N.svg)
4-Isopropoxy-N-(2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)benzamide
CAS 476458-00-1C21H21N3O2S
![3-Phenylsulfanyl-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]propanamide chemical structure, C21H21N3O2S, CAS 851095-97-1](/s/OFXMFHYOLJQQHV-UHFFFAOYSA-N.svg)
3-Phenylsulfanyl-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]propanamide
CAS 851095-97-1C21H21N3O2S
N1-(2-(4-methyl-2-phenylthiazol-5-yl)ethyl)-N2-(p-tolyl)oxalamide
CAS 894010-09-4C21H21N3O2S
N1-(2-(4-methyl-2-phenylthiazol-5-yl)ethyl)-N2-(m-tolyl)oxalamide
CAS 894010-22-1C21H21N3O2S
![N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-phenylethanediamide chemical structure, C21H21N3O2S, CAS 894013-34-4](/s/HCDQAMDJYJMAJV-UHFFFAOYSA-N.svg)
N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-phenylethanediamide
CAS 894013-34-4C21H21N3O2S
- N-{2-[4-Methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-phenylethanediamide894018-10-1C21H21N3O2S
- N1-(p-tolyl)-N2-(2-(2-(p-tolyl)thiazol-4-yl)ethyl)oxalamide896377-60-9C21H21N3O2S
- N1-(m-tolyl)-N2-(2-(2-(p-tolyl)thiazol-4-yl)ethyl)oxalamide896377-70-1C21H21N3O2S
- 2-[4-(3,4-Dimethylphenyl)-3-oxopyrazin-2-yl]sulfanyl-N-(2-methylphenyl)acetamide942034-32-4C21H21N3O2S
- 1-(3,4-Dimethylphenyl)-N-(6-methyl-1,3-benzothiazol-2-yl)-5-oxo-3-pyrrolidinecarboxamide847568-71-2C21H21N3O2S
- N-(4-(3-((2-Ethylphenyl)amino)-3-oxopropyl)thiazol-2-yl)benzamide1021229-59-3C21H21N3O2S
- N-(1H-Indol-6-yl)-6-(3-oxo-1,2-benzothiazol-2(3H)-yl)hexanamide1190276-56-2C21H21N3O2S
- 2-((6-(3,5-Dimethylphenoxy)pyrimidin-4-yl)thio)-N-(o-tolyl)acetamide1029734-62-0C21H21N3O2S
- 2-((6-Methyl-2-(p-tolyl)pyrimidin-4-yl)oxy)-N-(3-(methylthio)phenyl)acetamide1031957-46-6C21H21N3O2S
- N-(2-{[(2-Phenylethyl)carbamoyl]amino}-4-(thiophen-3-yl)phenyl)acetamide1206998-70-0C21H21N3O2S
- N-(Thiophen-2-ylmethyl)-2-(4-(3-(o-tolyl)ureido)phenyl)acetamide1210320-60-7C21H21N3O2S
- N-(1H-Indol-5-yl)-6-(3-oxo-1,2-benzothiazol-2(3H)-yl)hexanamide1219546-73-2C21H21N3O2S
- 2-[3-[4-(Methylsulfanyl)phenyl]-6-oxo-1(6H)-pyridazinyl]-N~1~-phenethylacetamide1246053-38-2C21H21N3O2S
- (4-((2-Methoxyphenyl)amino)quinolin-3-yl)(thiomorpholino)methanone1359126-39-8C21H21N3O2S
- (4-((3-Methoxyphenyl)amino)quinolin-3-yl)(thiomorpholino)methanone1358236-28-8C21H21N3O2S
- (4-((4-Methoxyphenyl)amino)quinolin-3-yl)(thiomorpholino)methanone1358406-46-8C21H21N3O2S
- (E)-N-((3-Cyclopentyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-3-(thiophen-2-yl)acrylamide1421587-11-2C21H21N3O2S
- 1-(1H-Indol-3-yl)-2-(4-((pyridin-2-ylthio)methyl)piperidin-1-yl)ethane-1,2-dione1421462-52-3C21H21N3O2S
- N-(3-(2-Methylthiazol-4-yl)phenyl)-2-((5,6,7,8-tetrahydroquinolin-4-yl)oxy)acetamide1795424-29-1C21H21N3O2S
- N-[(2-Piperidin-1-ylphenyl)carbamothioyl]-1-benzofuran-2-carboxamide532416-39-0C21H21N3O2S
- (7Z)-7-[(4-Ethoxyphenyl)methylidene]-3-(4-methylphenyl)-2,4-dihydro-[1,3]thiazolo[3,2-a][1,3,5]triazin-6-one378217-65-3C21H21N3O2S
- (5Z)-5-[(2-Hydroxyphenyl)methylidene]-2-[4-(4-methylphenyl)piperazin-1-yl]-1,3-thiazol-4-one304889-88-1C21H21N3O2S
- 1-(4-Methoxyphenyl)-2-[[5-(3-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]ethanone838851-73-3C21H21N3O2S
- 1-(3,4-Dihydroquinolin-1(2H)-yl)-2-((5-(3,4-dimethylphenyl)-1,3,4-oxadiazol-2-yl)thio)ethanone850379-56-5C21H21N3O2S
- 2-Butylsulfanyl-3-(3-methoxyphenyl)-5H-pyrimido[5,4-b]indol-4-one536706-84-0C21H21N3O2S
- N-(5-Pentyl-1,3,4-thiadiazol-2-yl)-9H-xanthene-9-carboxamide708226-86-2C21H21N3O2S
- N-(6-Acetyl-3-cyano-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)-5,6,7,8-tetrahydronaphthalene-2-carboxamide864858-87-7C21H21N3O2S
- (Z)-N-(6-Acetamido-3-allylbenzo[d]thiazol-2(3H)-ylidene)-3-phenylpropanamide865180-61-6C21H21N3O2S
- (E)-1-(1,5-Dimethylpyrazol-4-yl)-3-[4-methoxy-3-(pyridin-2-ylsulfanylmethyl)phenyl]prop-2-en-1-one1005584-06-4C21H21N3O2S
- 4-(Dimethylamino)-N-(4-ethoxy-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)benzamide868674-69-5C21H21N3O2S
- 2-[4-(3,5-Dimethylphenyl)-3-oxopyrazin-2-yl]sulfanyl-N-(2-methylphenyl)acetamide895108-94-8C21H21N3O2S
- 2-(4-Ethoxyphenyl)-N-(2-phenyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)acetamide893931-07-2C21H21N3O2S
- 2-(4-Methylphenoxy)-N-[2-(4-methylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]acetamide893949-71-8C21H21N3O2S
- 3-(2-Methoxyethyl)-2-[(2-methylphenyl)methylsulfanyl]-5H-pyrimido[5,4-b]indol-4-one888440-85-5C21H21N3O2S
- 3-(2-Methoxyethyl)-2-[(3-methylphenyl)methylsulfanyl]-5H-pyrimido[5,4-b]indol-4-one888440-93-5C21H21N3O2S
- N-(3,4-Dimethylphenyl)-2-[4-(3-methylphenyl)-3-oxopyrazin-2-yl]sulfanylacetamide941970-83-8C21H21N3O2S
- 2-[4-(3,4-Dimethylphenyl)-3-oxopyrazin-2-yl]sulfanyl-N-(4-methylphenyl)acetamide942034-30-2C21H21N3O2S
- N-(4-Ethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide941978-18-3C21H21N3O2S
- N-(2-Ethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide941935-24-6C21H21N3O2S
- N-(2,5-Dimethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide941978-34-3C21H21N3O2S
- N-[4-(4-Butylphenyl)-3-carbamoylthiophen-2-yl]pyridine-3-carboxamide925035-36-5C21H21N3O2S
- 2-{[2-(1-Ethyl-1H-indol-3-yl)-2-oxoethyl]sulfanyl}-4-(methoxymethyl)-6-methylpyridine-3-carbonitrile938007-89-7C21H21N3O2S
- N-(2-((5-(4-Methoxyphenyl)-1H-imidazol-2-yl)thio)ethyl)cinnamamide897455-66-2C21H21N3O2S
- N-Cyclopentyl-2-((4-(naphthalen-1-yl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)acetamide900007-64-9C21H21N3O2S
- N-(4-(2-(Mesitylamino)-2-oxoethyl)thiazol-2-yl)benzamide946304-94-5C21H21N3O2S
- 3-Methoxy-N-((6-(p-tolyl)-2,3-dihydroimidazo[2,1-b]thiazol-5-yl)methyl)benzamide946262-36-8C21H21N3O2S
- 4-Ethoxy-N-((6-phenyl-2,3-dihydroimidazo[2,1-b]thiazol-5-yl)methyl)benzamide946353-86-2C21H21N3O2S
- N-(4-(2-((4-Isopropylphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzamide946304-62-7C21H21N3O2S
- 2-(Ethylthio)-N-(2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl)benzamide1226439-23-1C21H21N3O2S
- 2-(Cyclopentylthio)-5-(3-nitrophenyl)-1-(p-tolyl)-1H-imidazole1235164-79-0C21H21N3O2S
- 2-((1-Allyl-5-(4-methoxyphenyl)-1H-imidazol-2-yl)thio)-N-phenylacetamide1207034-51-2C21H21N3O2S
- 2-(Cyclopentylthio)-5-(3-nitrophenyl)-1-(o-tolyl)-1H-imidazole1234828-78-4C21H21N3O2S
- N-Benzyl-N-methyl-2-{3-[4-(methylsulfanyl)phenyl]-6-oxopyridazin-1(6H)-yl}acetamide1282116-76-0C21H21N3O2S
- N-(5-Benzyl-1,3,4-thiadiazol-2-yl)-4-phenyltetrahydro-2H-pyran-4-carboxamide1300325-34-1C21H21N3O2S
- N-{4-[Benzyl(methyl)amino]but-2-yn-1-yl}quinoline-8-sulfonamide1421585-02-5C21H21N3O2S
- (4-((6-Methylpyridin-2-yl)oxy)piperidin-1-yl)(2-phenylthiazol-4-yl)methanone1797857-15-8C21H21N3O2S
- N-(2-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)-3-(phenylthio)propanamide1797303-74-2C21H21N3O2S
- (2-(Methylthio)phenyl)(4-(quinoxalin-2-yloxy)piperidin-1-yl)methanone1705802-07-8C21H21N3O2S
- N-(2-Hydroxy-2-(1-methylindolin-5-yl)ethyl)-2-phenylthiazole-4-carboxamide1705037-49-5C21H21N3O2S
- N-(2-(2-Methylthiazol-4-yl)phenyl)-4-morpholinobenzamide1705237-33-7C21H21N3O2S
- 4-Morpholino-N-((5-(thiophen-2-yl)pyridin-3-yl)methyl)benzamide2034411-00-0C21H21N3O2S
- 6-(Cyclopentyloxy)-N-((2-(thiophen-2-yl)pyridin-4-yl)methyl)nicotinamide1903619-31-7C21H21N3O2S
- N-({[2,4'-Bipyridine]-4-yl}methyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide2034306-20-0C21H21N3O2S
- 1-(3-(5-Phenyl-1,2,4-oxadiazol-3-yl)pyrrolidin-1-yl)-3-(phenylthio)propan-1-one2034602-24-7C21H21N3O2S
- 3-(1-(2-(Methylthio)benzoyl)piperidin-3-yl)quinazolin-4(3H)-one2034296-17-6C21H21N3O2S
- N-({[3,3'-Bipyridine]-5-yl}methyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide2177365-48-7C21H21N3O2S
- (5E)-5-({1-[4-(Dimethylamino)phenyl]-2,5-dimethyl-1H-pyrrol-3-yl}methylidene)-3-(prop-2-yn-1-yl)-1,3-thiazolidine-2,4-dione431908-38-2C21H21N3O2S
- 1-(4-Anilinophenyl)-3-(2,5-dimethoxyphenyl)thiourea708291-64-9C21H21N3O2S
- 1-(4-Methoxyphenyl)-2-[[5-(4-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]ethanone767326-57-8C21H21N3O2S
- 2-(Isoquinolin-1-ylsulfanyl)-N-[4-(morpholin-4-yl)phenyl]acetamide710287-68-6C21H21N3O2S
- 2-[4-(3,5-Dimethylphenyl)-3-oxopyrazin-2-yl]sulfanyl-N-methyl-N-phenylacetamide895109-48-5C21H21N3O2S
- 4-{[(9-Ethyl-9H-carbazol-3-yl)methyl]amino}benzene-1-sulfonamide1243786-46-0C21H21N3O2S
- (Z)-3-Phenyl-1-(3-((3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)prop-2-en-1-one1799242-18-4C21H21N3O2S
- 6-Phenyl-2-[4-(1H-pyrazol-1-yl)benzenesulfonyl]-2-azaspiro[3.3]heptane2640971-83-9C21H21N3O2S
- tert-Butyl N-[1-(1,3-benzothiazol-2-yl)-2-(3-cyanophenyl)ethyl]carbamate2680821-58-1C21H21N3O2S
- N-[(1S)-1-(1H-1,3-Benzodiazol-2-yl)-3-(methylsulfanyl)propyl]-3-methyl-1-benzofuran-2-carboxamide2390088-69-2C21H21N3O2S
Frequently asked questions
What is the molar mass of C21H21N3O2S?
The molar mass of C21H21N3O2S is 379.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 379.1354 Da.
How many compounds have the formula C21H21N3O2S?
CompoundList lists 213 compounds with the molecular formula C21H21N3O2S, including 4-[4-(Methylsulfanyl)phenyl]-6-(2-phenylethyl)-1H,2H,3H,4H,5H,6H,7H-pyrrolo[3,4-d]pyrimidine-2,5-dione, N-(2,4-Dimethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide, N-(4-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-(4-ethoxyphenyl)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 C21H21N3O2S?
C21H21N3O2S 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.