Molecular formula
C21H20ClN3O4S
74 compounds have this formula on CompoundList.
- Molar mass
- 445.92g/mol
- Monoisotopic mass
- 445.0863Da
- Atoms
- 50
- Elements
- 6
- Rings plus double bonds
- 13
The formula C21H20ClN3O4S describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 4 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 × 2156.56%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 204.52%1.008 × 20 = 20.160 g/mol
- Cl Chlorine × 17.95%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 39.42%14.007 × 3 = 42.021 g/mol
- O Oxygen × 414.35%15.999 × 4 = 63.996 g/mol
- S Sulfur × 17.19%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H20ClN3O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 74 of 74 compounds
![N-[2-(2-Chlorophenyl)ethyl]-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide chemical structure, C21H20ClN3O4S, CAS 688054-54-8](/s/KVVAPYJFHVNLBS-UHFFFAOYSA-N.svg)
N-[2-(2-Chlorophenyl)ethyl]-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide
CAS 688054-54-8C21H20ClN3O4S
![2-[(3-Chloro-4-methoxy-phenyl)-(toluene-4-sulfonyl)-amino]-N-pyridin-3-yl-acetamide chemical structure, C21H20ClN3O4S, CAS 528834-51-7](/s/VFLMENVMROGMDI-UHFFFAOYSA-N.svg)
2-[(3-Chloro-4-methoxy-phenyl)-(toluene-4-sulfonyl)-amino]-N-pyridin-3-yl-acetamide
CAS 528834-51-7C21H20ClN3O4S
![N-[2-(4-Chlorophenyl)ethyl]-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide chemical structure, C21H20ClN3O4S, CAS 688054-55-9](/s/SJAVFZCZGRCDKB-UHFFFAOYSA-N.svg)
N-[2-(4-Chlorophenyl)ethyl]-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide
CAS 688054-55-9C21H20ClN3O4S
![1-[4-(Benzenesulfonyl)-2-(2-chlorophenyl)-1,3-oxazol-5-yl]piperidine-4-carboxamide chemical structure, C21H20ClN3O4S, CAS 823829-71-6](/s/DMTXXPPHOXRRFD-UHFFFAOYSA-N.svg)
1-[4-(Benzenesulfonyl)-2-(2-chlorophenyl)-1,3-oxazol-5-yl]piperidine-4-carboxamide
CAS 823829-71-6C21H20ClN3O4S
![N-{2-[2-(4-Chlorophenyl)-1,3-thiazol-4-yl]ethyl}-N'-(3,4-dimethoxyphenyl)ethanediamide chemical structure, C21H20ClN3O4S, CAS 895783-43-4](/s/LWYDNLOIWKTEAJ-UHFFFAOYSA-N.svg)
N-{2-[2-(4-Chlorophenyl)-1,3-thiazol-4-yl]ethyl}-N'-(3,4-dimethoxyphenyl)ethanediamide
CAS 895783-43-4C21H20ClN3O4S
![N-(5-Chloro-2-methoxyphenyl)-2-((1-(furan-2-ylmethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H20ClN3O4S, CAS 946326-31-4](/s/RKWDCVZJRZTTPE-UHFFFAOYSA-N.svg)
N-(5-Chloro-2-methoxyphenyl)-2-((1-(furan-2-ylmethyl)-2-oxo-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)acetamide
CAS 946326-31-4C21H20ClN3O4S
2-Chloro-6-methoxy-3-(3-(4-methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)quinoline
CAS 442650-03-5C21H20ClN3O4S
2-Chloro-7-methoxy-3-(3-(4-methoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)quinoline
CAS 442650-05-7C21H20ClN3O4S
![N-[2-(3-Chlorophenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-2-(3,4-dimethoxyphenyl)acetamide chemical structure, C21H20ClN3O4S, CAS 958701-91-2](/s/UXGADKXXKJNJSS-UHFFFAOYSA-N.svg)
N-[2-(3-Chlorophenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-2-(3,4-dimethoxyphenyl)acetamide
CAS 958701-91-2C21H20ClN3O4S
![N-(2-(3-Chlorophenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3,4,5-trimethoxybenzamide chemical structure, C21H20ClN3O4S, CAS 450340-97-3](/s/YDJJXFPBYIREMA-UHFFFAOYSA-N.svg)
N-(2-(3-Chlorophenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3,4,5-trimethoxybenzamide
CAS 450340-97-3C21H20ClN3O4S
![N-(2-(4-Chlorophenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3,4,5-trimethoxybenzamide chemical structure, C21H20ClN3O4S, CAS 361168-55-0](/s/ZEGZLCUOFGSSHK-UHFFFAOYSA-N.svg)
N-(2-(4-Chlorophenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3,4,5-trimethoxybenzamide
CAS 361168-55-0C21H20ClN3O4S
![(4-(7-Chloro-4-methoxybenzo[d]thiazol-2-yl)piperazin-1-yl)(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methanone chemical structure, C21H20ClN3O4S, CAS 886954-40-1](/s/IPPRUKMQZRXKDB-UHFFFAOYSA-N.svg)
(4-(7-Chloro-4-methoxybenzo[d]thiazol-2-yl)piperazin-1-yl)(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methanone
CAS 886954-40-1C21H20ClN3O4S
2-(N-(4-Chlorobenzyl)pyridine-3-sulfonamido)-N-(4-methoxyphenyl)acetamide
CAS 1021118-87-5C21H20ClN3O4S
Methyl 3-(3-((4-chlorophenethyl)amino)-3-oxopropyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylate
CAS 946330-02-5C21H20ClN3O4S
Methyl 3-(4-((2-chlorobenzyl)amino)-4-oxobutyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylate
CAS 946306-98-5C21H20ClN3O4S
Methyl 3-(4-((4-chlorobenzyl)amino)-4-oxobutyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylate
CAS 946376-06-3C21H20ClN3O4S
N-(5-Chloro-2-methoxyphenyl)-2-(2-((3-methoxybenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)acetamide
CAS 1105211-79-7C21H20ClN3O4S
N-(3-Chloro-4-methoxyphenyl)-2-(2-((3-methoxybenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)acetamide
CAS 1105237-96-4C21H20ClN3O4S
N-((5-(4-Chlorophenyl)isoxazol-3-yl)methyl)-4-(pyrrolidin-1-ylsulfonyl)benzamide
CAS 946210-52-2C21H20ClN3O4S
2-((4-(3-Chloro-4-methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(3-methoxybenzyl)acetamide
CAS 899988-00-2C21H20ClN3O4S
2-(2-((3-Chlorobenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)-N-(2,4-dimethoxyphenyl)acetamide
CAS 1105238-52-5C21H20ClN3O4S
2-(N-(3-Chloro-4-methoxyphenyl)phenylsulfonamido)-N-(pyridin-4-ylmethyl)acetamide
CAS 695174-96-0C21H20ClN3O4S
![1-(4-Chlorophenyl)-3-[4-[(4-ethoxyphenyl)sulfamoyl]phenyl]urea chemical structure, C21H20ClN3O4S, CAS 458553-83-8](/s/APYZZEJDMWLEQP-UHFFFAOYSA-N.svg)
1-(4-Chlorophenyl)-3-[4-[(4-ethoxyphenyl)sulfamoyl]phenyl]urea
CAS 458553-83-8C21H20ClN3O4S
1-(4-(2-(4-Chlorophenyl)-4-(phenylsulfonyl)oxazol-5-yl)piperazin-1-yl)ethanone
CAS 946309-45-1C21H20ClN3O4S
- 1-(4-(2-(3-Chlorophenyl)-4-(phenylsulfonyl)oxazol-5-yl)piperazin-1-yl)ethanone946278-69-9C21H20ClN3O4S
- 1-(4-(4-((4-Chlorophenyl)sulfonyl)-2-phenyloxazol-5-yl)piperazin-1-yl)ethanone946278-72-4C21H20ClN3O4S
- 4-[6-Chloro-1,1-dioxido-2-(piperidin-1-ylcarbonyl)-4H-1,4-benzothiazin-4-yl]benzamide1251561-95-1C21H20ClN3O4S
- 2-(N-(4-Chlorophenyl)sulfonyl-2-ethoxyanilino)-N-pyridin-3-ylacetamide641598-35-8C21H20ClN3O4S
- N~2~-(4-chlorophenyl)-N~2~-[(4-methoxyphenyl)sulfonyl]-N-(pyridin-3-ylmethyl)glycinamide432004-97-2C21H20ClN3O4S
- N-(2-Chlorobenzyl)-2-oxo-6-(pyrrolidin-1-ylsulfonyl)-1,2-dihydroquinoline-4-carboxamide687591-06-6C21H20ClN3O4S
- (4-(7-Chloro-4-methoxybenzo[d]thiazol-2-yl)piperazin-1-yl)(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanone886955-20-0C21H20ClN3O4S
- (2E)-3-[4-(1,3-Benzodioxol-5-ylmethyl)piperazin-1-yl]-2-[(4-chlorophenyl)sulfonyl]prop-2-enenitrile885187-11-1C21H20ClN3O4S
- 7-Chloro-3-(morpholinocarbonyl)-1-(4-vinylbenzyl)-4lambda~6~,1,2-benzothiadiazine-4,4(1H)-dione1251703-63-5C21H20ClN3O4S
- Hsd17B13-IN-942848620-90-4C21H20ClN3O4S
- 1-(3-Chlorophenyl)-3-[4-[(4-ethoxyphenyl)sulfamoyl]phenyl]urea791791-46-3C21H20ClN3O4S
- 2-[3-(1,3-Benzodioxol-5-ylmethyl)-1-ethyl-5-oxo-2-thioxoimidazolidin-4-yl]-N-(4-chlorophenyl)acetamide1023911-84-3C21H20ClN3O4S
- N-(5-Chloro-2-methoxyphenyl)-2-[6-(3,4-dimethoxyphenyl)pyridazin-3-yl]sulfanylacetamide841218-86-8C21H20ClN3O4S
- 1-[4-(Benzenesulfonyl)-2-(4-chlorophenyl)-1,3-oxazol-5-yl]piperidine-4-carboxamide630084-45-6C21H20ClN3O4S
- Ethyl 3-(4-chlorophenyl)-5-(cyclopentanecarbonylamino)-4-oxothieno[3,4-d]pyridazine-1-carboxylate851950-08-8C21H20ClN3O4S
- 2-({5-[(2-Chlorophenoxy)methyl]furan-2-yl}carbonyl)-N-(4-ethoxyphenyl)hydrazinecarbothioamide889600-13-9C21H20ClN3O4S
- 3-((4-Chlorophenyl)sulfonyl)-N-(5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl)propanamide899963-52-1C21H20ClN3O4S
- 1-(4-((4-Chlorophenyl)sulfonyl)-2-phenyloxazol-5-yl)piperidine-4-carboxamide862763-56-2C21H20ClN3O4S
- N-(5-(2-(4-Chlorophenoxy)-2-methylpropanoyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)furan-2-carboxamide1351660-20-2C21H20ClN3O4S
- 4-(2-Chloro-4-nitrophenyl)-2-methyl-1-naphthalen-2-ylsulfonylpiperazine524034-05-7C21H20ClN3O4S
- 4-(2-Chloro-6-nitrophenyl)-2-methyl-1-(naphthalen-2-ylsulfonyl)piperazine591726-67-9C21H20ClN3O4S
- 2-Chloro-N-{[4-(morpholine-4-sulfonyl)phenyl]methyl}quinoline-4-carboxamide939763-48-1C21H20ClN3O4S
- 2-((4-(3-Chloro-4-methylphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide899758-90-8C21H20ClN3O4S
- 2-((4-(3-Chloro-4-methylphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(3,5-dimethoxyphenyl)acetamide899944-46-8C21H20ClN3O4S
- 2-((4-(3-Chloro-4-methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(4-methoxybenzyl)acetamide899944-27-5C21H20ClN3O4S
- 2-(4-Chlorobenzamido)-N-(3,4-dimethoxyphenethyl)thiazole-4-carboxamide941882-04-8C21H20ClN3O4S
- N-(4-(2-((2-Chlorobenzyl)amino)-2-oxoethyl)thiazol-2-yl)-3,4-dimethoxybenzamide1005294-92-7C21H20ClN3O4S
- N-(4-(2-((5-Chloro-2-methylphenyl)amino)-2-oxoethyl)thiazol-2-yl)-3,4-dimethoxybenzamide921863-74-3C21H20ClN3O4S
- N-(4-(2-((3-Chloro-2-methylphenyl)amino)-2-oxoethyl)thiazol-2-yl)-3,5-dimethoxybenzamide921559-13-9C21H20ClN3O4S
- N-(4-(2-((5-Chloro-2-methylphenyl)amino)-2-oxoethyl)thiazol-2-yl)-3,5-dimethoxybenzamide921519-61-1C21H20ClN3O4S
- 2-((4-(3-Chloro-4-methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(4-ethoxyphenyl)acetamide899944-11-7C21H20ClN3O4S
- 2-((4-(3-Chloro-4-methylphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(3,4-dimethoxyphenyl)acetamide899759-09-2C21H20ClN3O4S
- N-(3-Chloro-4-methoxyphenyl)-2-((4-(4-ethoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)acetamide899759-50-3C21H20ClN3O4S
- N-(5-Chloro-2-methoxyphenyl)-2-((4-(4-ethoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)acetamide899759-51-4C21H20ClN3O4S
- Methyl 4-(2-((1-(4-chlorobenzyl)-5-(hydroxymethyl)-1H-imidazol-2-yl)thio)acetamido)benzoate899748-28-8C21H20ClN3O4S
- N-(4-{[(3-Chloro-4-methylphenyl)carbamoyl]methyl}-1,3-thiazol-2-yl)-3,5-dimethoxybenzamide946358-29-8C21H20ClN3O4S
- N-(4-{[(3-Chloro-2-methylphenyl)carbamoyl]methyl}-1,3-thiazol-2-yl)-3,4-dimethoxybenzamide921817-82-5C21H20ClN3O4S
- N-(4-{[(3-Chloro-4-methylphenyl)carbamoyl]methyl}-1,3-thiazol-2-yl)-3,4-dimethoxybenzamide921544-83-4C21H20ClN3O4S
- {[2-(3-Chlorophenyl)ethyl]carbamoyl}methyl 2-(furan-2-yl)-4-methyl-6-(methylsulfanyl)pyrimidine-5-carboxylate1050583-06-6C21H20ClN3O4S
- 2-(4-Chlorophenoxy)-N-(5,5-dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-methylpropanamide893926-60-8C21H20ClN3O4S
- N-(2-(3-Chlorophenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3-(4-methoxyphenyl)propanamide893933-23-8C21H20ClN3O4S
- 8-((4-Acetylphenyl)sulfonyl)-3-(3-chlorophenyl)-1,4,8-triazaspiro[4.5]dec-3-en-2-one1358077-26-5C21H20ClN3O4S
- 3-(3-(3-((4-Chlorophenyl)sulfonyl)pyrrolidin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one1448052-15-0C21H20ClN3O4S
- (3-((4-Chlorophenyl)sulfonyl)azetidin-1-yl)(3-(3-methoxyphenyl)-1-methyl-1H-pyrazol-5-yl)methanone1797699-37-6C21H20ClN3O4S
- 2-(3-Chloro-N-(4-methoxyphenyl)sulfonylanilino)-N-(pyridin-2-ylmethyl)acetamide694504-43-3C21H20ClN3O4S
- 2-(6-Chloropyridine-3-sulfonamido)-N-[2-(4-methoxyphenyl)ethyl]benzamide876880-31-8C21H20ClN3O4S
- 2-Chloro-N-{5-[ethyl(phenyl)sulfamoyl]-2-methoxyphenyl}pyridine-4-carboxamide949341-17-7C21H20ClN3O4S
- N-[4-({[(2-Chlorophenyl)methyl]carbamoyl}methyl)-1,3-thiazol-2-yl]-3,5-dimethoxybenzamide946274-28-8C21H20ClN3O4S
- Methyl 3-(4-chlorophenyl)-6-cyclopropyl-1-(1,1-dioxidotetrahydrothiophen-3-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate1040637-88-4C21H20ClN3O4S
- N-[(3-Chloro-2-methylphenyl)methyl]-2-[[(5-methoxy-3-pyridinyl)amino]sulfonyl]benzamide931125-04-1C21H20ClN3O4S
Frequently asked questions
What is the molar mass of C21H20ClN3O4S?
The molar mass of C21H20ClN3O4S is 445.92 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 445.0863 Da.
How many compounds have the formula C21H20ClN3O4S?
CompoundList lists 74 compounds with the molecular formula C21H20ClN3O4S, including N-[2-(2-Chlorophenyl)ethyl]-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide, 2-[(3-Chloro-4-methoxy-phenyl)-(toluene-4-sulfonyl)-amino]-N-pyridin-3-yl-acetamide, N-[2-(4-Chlorophenyl)ethyl]-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide. 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 C21H20ClN3O4S?
C21H20ClN3O4S 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.