Molecular formula
C21H21N3O4S2
83 compounds have this formula on CompoundList.
- Molar mass
- 443.54g/mol
- Monoisotopic mass
- 443.0973Da
- Atoms
- 51
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H21N3O4S2 describes a molecule made of 21 carbon atoms, 21 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 × 2156.87%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 214.77%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 39.47%14.007 × 3 = 42.021 g/mol
- O Oxygen × 414.43%15.999 × 4 = 63.996 g/mol
- S Sulfur × 214.46%32.06 × 2 = 64.120 g/mol
Look up another formula
Compounds with the formula C21H21N3O4S2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 83 of 83 compounds
N-(1,3-Benzodioxol-5-yl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydro(1)benzothieno(2,3-D)pyrimidin-2-yl)sulfanyl)acetamide
CAS 503432-54-0C21H21N3O4S2
![2-[[3-(4-Ethoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide chemical structure, C21H21N3O4S2, CAS 686772-45-2](/s/YBNLYNDDXYWYFE-UHFFFAOYSA-N.svg)
2-[[3-(4-Ethoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide
CAS 686772-45-2C21H21N3O4S2
N-(4-Morpholin-4-ylsulfonylphenyl)-2-quinolin-8-ylsulfanylacetamide
CAS 503036-56-4C21H21N3O4S2
![N-(4H-Chromeno[4,3-d]thiazol-2-yl)-4-(N,N-diethylsulfamoyl)benzamide chemical structure, C21H21N3O4S2, CAS 681156-88-7](/s/JRBJUNJAFUEPJE-UHFFFAOYSA-N.svg)
N-(4H-Chromeno[4,3-d]thiazol-2-yl)-4-(N,N-diethylsulfamoyl)benzamide
CAS 681156-88-7C21H21N3O4S2
![Ethyl 2-[[2-[(5-phenyl-1,3,4-oxadiazol-2-yl)sulfanyl]acetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate chemical structure, C21H21N3O4S2, CAS 539805-60-2](/s/QOSALLKAFUUCLA-UHFFFAOYSA-N.svg)
Ethyl 2-[[2-[(5-phenyl-1,3,4-oxadiazol-2-yl)sulfanyl]acetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS 539805-60-2C21H21N3O4S2
![2-((3-Allyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide chemical structure, C21H21N3O4S2, CAS 578752-34-8](/s/YTMUYCBXLQVTAE-UHFFFAOYSA-N.svg)
2-((3-Allyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide
CAS 578752-34-8C21H21N3O4S2
1-(2-Methoxyphenyl)-3-(1-(thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)urea
CAS 1203385-22-1C21H21N3O4S2
2-(2-(2-((3,5-Dimethoxybenzyl)thio)thiazol-4-yl)acetamido)benzamide
CAS 941875-24-7C21H21N3O4S2
N-(3-(6-(Methylsulfonyl)pyridazin-3-yl)phenyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide
CAS 921793-23-9C21H21N3O4S2
![N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3-ethyl-4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide chemical structure, C21H21N3O4S2, CAS 503432-55-1](/s/QFOILCPOTQUOHJ-UHFFFAOYSA-N.svg)
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3-ethyl-4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide
CAS 503432-55-1C21H21N3O4S2
![6-[4-(2-Phenylethenesulfonyl)piperazine-1-carbonyl]-3,4-dihydro-2H-1,4-benzothiazin-3-one chemical structure, C21H21N3O4S2, CAS 848897-37-0](/s/VENBOLYMNVVAPM-MDWZMJQESA-N.svg)
6-[4-(2-Phenylethenesulfonyl)piperazine-1-carbonyl]-3,4-dihydro-2H-1,4-benzothiazin-3-one
CAS 848897-37-0C21H21N3O4S2
4-Methoxy-N-(4-(2-(2-methylindolin-1-yl)-2-oxoethyl)thiazol-2-yl)benzenesulfonamide
CAS 922000-64-4C21H21N3O4S2
N-(4-(2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thiazol-2-yl)-4-methoxybenzenesulfonamide
CAS 922129-09-7C21H21N3O4S2
![2-{[5-(2,4-Dimethylbenzenesulfonyl)-6-oxo-1,6-dihydropyrimidin-2-yl]sulfanyl}-N-(3-methylphenyl)acetamide chemical structure, C21H21N3O4S2, CAS 1040676-10-5](/s/YAAMTTDSWKCTMN-UHFFFAOYSA-N.svg)
2-{[5-(2,4-Dimethylbenzenesulfonyl)-6-oxo-1,6-dihydropyrimidin-2-yl]sulfanyl}-N-(3-methylphenyl)acetamide
CAS 1040676-10-5C21H21N3O4S2
![Methyl 3-(4-amino-5-{[(2-methoxyphenyl)methyl]carbamoyl}-2-sulfanylidene-2,3-dihydro-1,3-thiazol-3-yl)-4-methylbenzoate chemical structure, C21H21N3O4S2, CAS 1021252-91-4](/s/NLNRLDPSCXLNNV-UHFFFAOYSA-N.svg)
Methyl 3-(4-amino-5-{[(2-methoxyphenyl)methyl]carbamoyl}-2-sulfanylidene-2,3-dihydro-1,3-thiazol-3-yl)-4-methylbenzoate
CAS 1021252-91-4C21H21N3O4S2
![2-((3-Allyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(benzo[d][1,3]dioxol-5-ylmethyl)acetamide chemical structure, C21H21N3O4S2, CAS 690644-78-1](/s/DCQMWIOZGUHKFQ-UHFFFAOYSA-N.svg)
2-((3-Allyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(benzo[d][1,3]dioxol-5-ylmethyl)acetamide
CAS 690644-78-1C21H21N3O4S2
![Ethyl 2-{[5-(dimethylamino)-2-furyl]methylene}-7-methyl-3-oxo-5-(2-thienyl)-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate chemical structure, C21H21N3O4S2, CAS 292871-15-9](/s/SUIMLJWQUUJXNR-PTNGSMBKSA-N.svg)
Ethyl 2-{[5-(dimethylamino)-2-furyl]methylene}-7-methyl-3-oxo-5-(2-thienyl)-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
CAS 292871-15-9C21H21N3O4S2
![1-Phenyl-2-[[5-(3-piperidin-1-ylsulfonylphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]ethanone chemical structure, C21H21N3O4S2, CAS 522639-58-3](/s/XZRPVBGOCXARMJ-UHFFFAOYSA-N.svg)
1-Phenyl-2-[[5-(3-piperidin-1-ylsulfonylphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]ethanone
CAS 522639-58-3C21H21N3O4S2
(E)-4-((3-(5-(Cinnamylthio)-1,3,4-oxadiazol-2-yl)phenyl)sulfonyl)morpholine
CAS 851208-79-2C21H21N3O4S2
N-(4-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)thiazol-2-yl)-4-methoxybenzenesulfonamide
CAS 922128-79-8C21H21N3O4S2
4-(Morpholinosulfonyl)-N-(4-(p-tolyl)thiazol-2-yl)benzamide
CAS 313537-98-3C21H21N3O4S2
N-(4-(4-Methoxyphenyl)thiazol-2-yl)-4-(pyrrolidin-1-ylsulfonyl)benzamide
CAS 313403-48-4C21H21N3O4S2
![1-(Morpholin-4-yl)-2-{[2-phenyl-4-(phenylsulfonyl)-1H-imidazol-5-yl]sulfanyl}ethanone chemical structure, C21H21N3O4S2, CAS 1021113-49-4](/s/DXNHRBHFBHLIBO-UHFFFAOYSA-N.svg)
1-(Morpholin-4-yl)-2-{[2-phenyl-4-(phenylsulfonyl)-1H-imidazol-5-yl]sulfanyl}ethanone
CAS 1021113-49-4C21H21N3O4S2
![4-(N,N-Diallylsulfamoyl)-N-(4-methoxybenzo[d]thiazol-2-yl)benzamide chemical structure, C21H21N3O4S2, CAS 443330-26-5](/s/FAWSQZCZVXNJTO-UHFFFAOYSA-N.svg)
4-(N,N-Diallylsulfamoyl)-N-(4-methoxybenzo[d]thiazol-2-yl)benzamide
CAS 443330-26-5C21H21N3O4S2
- N-(Benzenesulfonyl)-N-[3-(2-propanamido-1,3-thiazol-4-yl)phenyl]propanamide853752-43-9C21H21N3O4S2
- Methyl 2-(2-((5-benzyl-1,3,4-oxadiazol-2-yl)thio)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate332163-26-5C21H21N3O4S2
- (2E)-3-(4-Propoxyphenyl)-N-[4-(1,3-thiazol-2-ylsulfamoyl)phenyl]prop-2-enamide433698-15-8C21H21N3O4S2
- Ethyl 2-(2-(4-((4-cyclopropylthiazol-2-yl)methoxy)benzamido)thiazol-4-yl)acetate1251635-23-0C21H21N3O4S2
- N-[[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]carbamothioyl]-4-ethoxybenzamide433705-27-2C21H21N3O4S2
- 2-(1,3-Benzothiazol-2-ylamino)-2-oxoethyl N-(phenylcarbonyl)methioninate489452-43-9C21H21N3O4S2
- 4-(Oxolan-2-ylmethylsulfamoyl)-N-(4-phenyl-1,3-thiazol-2-yl)benzamide612525-94-7C21H21N3O4S2
- Ethyl 2-(2-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate896676-02-1C21H21N3O4S2
- 4-Methyl-N~1~-{4-[4-(morpholinosulfonyl)phenyl]-1,3-thiazol-2-yl}benzamide620577-65-3C21H21N3O4S2
- 2-{4-[Benzyl(ethyl)sulfamoyl]benzamido}thiophene-3-carboxamide899215-11-3C21H21N3O4S2
- 2-({5-[(4-Ethylphenyl)sulfonyl]-6-oxo-1,6-dihydropyrimidin-2-yl}sulfanyl)-N-(3-methylphenyl)acetamide895644-96-9C21H21N3O4S2
- 2-({5-[(4-Ethylphenyl)sulfonyl]-6-oxo-1,6-dihydropyrimidin-2-yl}sulfanyl)-N-(4-methylphenyl)acetamide895645-00-8C21H21N3O4S2
- (Z)-N-(3-(2-Ethoxyethyl)-5,6-dimethoxybenzo[d]thiazol-2(3H)-ylidene)benzo[d]thiazole-2-carboxamide895457-99-5C21H21N3O4S2
- 2,6-Dimethoxy-N-(2-((2-(methylamino)-2-oxoethyl)thio)-4-phenylthiazol-5-yl)benzamide946327-87-3C21H21N3O4S2
- N-(4-(6-(Methylsulfonyl)pyridazin-3-yl)phenyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide921837-66-3C21H21N3O4S2
- 1-({3-Methyl-2-[3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl]-1-benzofuran-5-yl}sulfonyl)azepane1207048-56-3C21H21N3O4S2
- 4-(Morpholinosulfonyl)-N-((2-(thiophen-2-yl)pyridin-3-yl)methyl)benzamide2034433-79-7C21H21N3O4S2
- 2-Phenoxy-N-[4-(4-pyrrolidin-1-ylsulfonylphenyl)-1,3-thiazol-2-yl]acetamide622351-64-8C21H21N3O4S2
- (E)-2-((2-(4-Methylpiperazin-1-yl)-4-oxothiazol-5(4H)-ylidene)methyl)phenyl benzenesulfonate847338-90-3C21H21N3O4S2
- Methyl 4-[({[5,6-dimethyl-4-oxo-3-(prop-2-en-1-yl)-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetyl)amino]benzoate575469-41-9C21H21N3O4S2
- N-(4-(2-Methoxyphenyl)thiazol-2-yl)-4-(pyrrolidin-1-ylsulfonyl)benzamide312755-80-9C21H21N3O4S2
- 4-(N,N-Diallylsulfamoyl)-N-(6-methoxybenzo[d]thiazol-2-yl)benzamide393838-08-9C21H21N3O4S2
- N-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-(thiophen-2-yl)ethyl)-4-nitrobenzenesulfonamide898424-59-4C21H21N3O4S2
- N-(3,4-Dimethylphenyl)-2-((6-oxo-5-tosyl-1,6-dihydropyrimidin-2-yl)thio)acetamide899357-57-4C21H21N3O4S2
- 3,5-Dimethoxy-N-(2-((2-(methylamino)-2-oxoethyl)thio)-4-phenylthiazol-5-yl)benzamide946211-32-1C21H21N3O4S2
- 2-{[5-(2,4-Dimethylbenzenesulfonyl)-6-oxo-1,6-dihydropyrimidin-2-yl]sulfanyl}-N-(4-methylphenyl)acetamide1040676-17-2C21H21N3O4S2
- N-(4-(3-(Indolin-1-yl)-3-oxopropyl)thiazol-2-yl)-4-methoxybenzenesulfonamide1040669-17-7C21H21N3O4S2
- 1-(3-Methoxyphenyl)-3-(1-(thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)urea1203113-95-4C21H21N3O4S2
- 1-(1-((4-Methoxyphenyl)sulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)-3-(thiophen-2-yl)urea1203364-16-2C21H21N3O4S2
- N-Benzyl-2-((5-((4-ethylphenyl)sulfonyl)-6-oxo-1,6-dihydropyrimidin-2-yl)thio)acetamide1021264-77-6C21H21N3O4S2
- N-(3-Ethylphenyl)-2-((6-oxo-5-tosyl-1,6-dihydropyrimidin-2-yl)thio)acetamide866866-14-0C21H21N3O4S2
- N-(4-Ethylphenyl)-2-((6-oxo-5-tosyl-1,6-dihydropyrimidin-2-yl)thio)acetamide866866-15-1C21H21N3O4S2
- 4-(Dimethylsulfamoyl)-N-(4-ethoxy-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)benzamide868377-43-9C21H21N3O4S2
- 2-(4-(N-Benzyl-N-methylsulfamoyl)benzamido)-N-methylthiophene-3-carboxamide864974-76-5C21H21N3O4S2
- (Z)-4-(N,N-Dimethylsulfamoyl)-N-(6-ethoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)benzamide941977-04-4C21H21N3O4S2
- (Z)-4-Butoxy-N-(3-(prop-2-yn-1-yl)-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)benzamide887202-46-2C21H21N3O4S2
- (Z)-3-Butoxy-N-(3-(prop-2-yn-1-yl)-6-sulfamoylbenzo[d]thiazol-2(3H)-ylidene)benzamide865182-32-7C21H21N3O4S2
- (Z)-N-(3-Allylbenzo[d]thiazol-2(3H)-ylidene)-4-(morpholinosulfonyl)benzamide941976-66-5C21H21N3O4S2
- (Z)-N-(3-(2-Ethoxyethyl)-5,6-dimethoxybenzo[d]thiazol-2(3H)-ylidene)benzo[d]thiazole-6-carboxamide895446-71-6C21H21N3O4S2
- Methyl 4-phenyl-3-{[4-(pyridin-2-yl)piperazin-1-yl]sulfonyl}thiophene-2-carboxylate899998-70-0C21H21N3O4S2
- 4,5-Dimethyl-2-[2-(4-methylbenzenesulfonamido)benzamido]thiophene-3-carboxamide896309-57-2C21H21N3O4S2
- 4-(2-(2-((3,5-Dimethoxybenzyl)thio)thiazol-4-yl)acetamido)benzamide942001-84-5C21H21N3O4S2
- N-(3-Methoxyphenyl)-2-((4-(2-((3-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)thio)acetamide941937-79-7C21H21N3O4S2
- N-(3-Methoxyphenyl)-2-((4-(2-((4-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)thio)acetamide941961-63-3C21H21N3O4S2
- N-(4-Methoxyphenyl)-2-((4-(2-((2-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)thio)acetamide942000-56-8C21H21N3O4S2
- N-(4-Methoxyphenyl)-2-((4-(2-((3-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)thio)acetamide942000-58-0C21H21N3O4S2
- N-(4-Methoxyphenyl)-2-((4-(2-((4-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)thio)acetamide942000-60-4C21H21N3O4S2
- N-(3,5-Dimethylphenyl)-2-{[5-(4-methylbenzenesulfonyl)-6-oxo-1,6-dihydropyrimidin-2-yl]sulfanyl}acetamide899357-55-2C21H21N3O4S2
- 2-((5-((2,5-Dimethylphenyl)sulfonyl)-6-oxo-1,6-dihydropyrimidin-2-yl)thio)-N-(m-tolyl)acetamide904578-14-9C21H21N3O4S2
- Ethyl 2-[({[4-(furan-2-yl)pyrimidin-2-yl]sulfanyl}acetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate678189-35-0C21H21N3O4S2
- N-(3-Acetylphenyl)-3-[2-(4-methylbenzenesulfonamido)-1,3-thiazol-4-yl]propanamide1040671-30-4C21H21N3O4S2
- Methyl 3-(4-amino-5-{[(4-methoxyphenyl)methyl]carbamoyl}-2-sulfanylidene-2,3-dihydro-1,3-thiazol-3-yl)-4-methylbenzoate1021220-66-5C21H21N3O4S2
- 4-((4-Cyclopropylthiazol-2-yl)methoxy)-N-(4-sulfamoylbenzyl)benzamide1251710-25-4C21H21N3O4S2
- 4-(Morpholinosulfonyl)-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)benzamide1706295-94-4C21H21N3O4S2
- 4-(Morpholinosulfonyl)-N-((5-(thiophen-2-yl)pyridin-3-yl)methyl)benzamide1904172-46-8C21H21N3O4S2
- 4-Methoxy-N-{4-[4-(pyrrolidin-1-ylsulfonyl)phenyl]-1,3-thiazol-2-yl}benzamide620576-56-9C21H21N3O4S2
- 3,4,5-Trimethoxy-N-[[4-(4-methylphenyl)-1,3-thiazol-2-yl]carbamothioyl]benzamide477311-04-9C21H21N3O4S2
- Benzenesulfonamide, N-[5-[(3,4-dihydro-2(1H)-isoquinolinyl)carbonyl]-4-methyl-2-thiazolyl]-4-methoxy-955534-89-1C21H21N3O4S2
- (2E)-1-[4-(1-Benzothiophene-3-sulfonyl)piperazin-1-yl]-2-[(benzyloxy)imino]ethan-1-one1202859-93-5C21H21N3O4S2
Frequently asked questions
What is the molar mass of C21H21N3O4S2?
The molar mass of C21H21N3O4S2 is 443.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 443.0973 Da.
How many compounds have the formula C21H21N3O4S2?
CompoundList lists 83 compounds with the molecular formula C21H21N3O4S2, including N-(1,3-Benzodioxol-5-yl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydro(1)benzothieno(2,3-D)pyrimidin-2-yl)sulfanyl)acetamide, 2-[[3-(4-Ethoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]-N-(furan-2-ylmethyl)acetamide, N-(4-Morpholin-4-ylsulfonylphenyl)-2-quinolin-8-ylsulfanylacetamide. 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 C21H21N3O4S2?
C21H21N3O4S2 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.