Molecular formula
C21H20N4O4S
159 compounds have this formula on CompoundList.
- Molar mass
- 424.48g/mol
- Monoisotopic mass
- 424.1205Da
- Atoms
- 50
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H20N4O4S describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 4 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 × 2159.42%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 204.75%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 413.20%14.007 × 4 = 56.028 g/mol
- O Oxygen × 415.08%15.999 × 4 = 63.996 g/mol
- S Sulfur × 17.55%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H20N4O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 159 of 159 compounds
![N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(3-nitrophenyl)ethanediamide chemical structure, C21H20N4O4S, CAS 894015-08-8](/s/FSWWQOVSMKLYRD-UHFFFAOYSA-N.svg)
N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(3-nitrophenyl)ethanediamide
CAS 894015-08-8C21H20N4O4S
![N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(2-nitrophenyl)ethanediamide chemical structure, C21H20N4O4S, CAS 894014-81-4](/s/OFBXGIWBTYVPNB-UHFFFAOYSA-N.svg)
N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(2-nitrophenyl)ethanediamide
CAS 894014-81-4C21H20N4O4S
![N-{2-[4-Methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(3-nitrophenyl)ethanediamide chemical structure, C21H20N4O4S, CAS 893995-20-5](/s/CFRCDCYUPPCFRX-UHFFFAOYSA-N.svg)
N-{2-[4-Methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(3-nitrophenyl)ethanediamide
CAS 893995-20-5C21H20N4O4S
![N-[3-(1H-Imidazol-1-yl)propyl]-2-{[3-(2-methyl-1,3-thiazol-4-yl)-2-oxo-2H-chromen-7-yl]oxy}acetamide chemical structure, C21H20N4O4S, CAS 1081142-93-9](/s/GLVYVMQSLNQJPC-UHFFFAOYSA-N.svg)
N-[3-(1H-Imidazol-1-yl)propyl]-2-{[3-(2-methyl-1,3-thiazol-4-yl)-2-oxo-2H-chromen-7-yl]oxy}acetamide
CAS 1081142-93-9C21H20N4O4S
![N-(1-(6-Methoxybenzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(3-methoxyphenoxy)acetamide chemical structure, C21H20N4O4S, CAS 1172316-16-3](/s/MONCUDXCABMBKY-UHFFFAOYSA-N.svg)
N-(1-(6-Methoxybenzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(3-methoxyphenoxy)acetamide
CAS 1172316-16-3C21H20N4O4S
![2-(2,5-Dioxopyrrolidin-1-yl)-N-(4-methoxy-7-methylbenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)acetamide chemical structure, C21H20N4O4S, CAS 922911-84-0](/s/WLZCSZJEUQYABF-UHFFFAOYSA-N.svg)
2-(2,5-Dioxopyrrolidin-1-yl)-N-(4-methoxy-7-methylbenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)acetamide
CAS 922911-84-0C21H20N4O4S
![N-(3,4-Dimethoxyphenyl)-2-(7,9-dimethyl-4-oxopyrido[3',2':4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H20N4O4S, CAS 946235-52-5](/s/PIPPMLVDRXGNEW-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxyphenyl)-2-(7,9-dimethyl-4-oxopyrido[3',2':4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 946235-52-5C21H20N4O4S
![(4-(4-Ethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)(5-(furan-2-yl)isoxazol-3-yl)methanone chemical structure, C21H20N4O4S, CAS 1203189-33-6](/s/AUGOBMCVUZUZEC-UHFFFAOYSA-N.svg)
(4-(4-Ethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)(5-(furan-2-yl)isoxazol-3-yl)methanone
CAS 1203189-33-6C21H20N4O4S
N-(1-((4-Methoxyphenyl)sulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)pyrazine-2-carboxamide
CAS 1207021-03-1C21H20N4O4S
![N-(3,4-Dimethoxyphenyl)-2-((2-methyl-3-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide chemical structure, C21H20N4O4S, CAS 1173729-89-9](/s/KNVIKFNDVKLRJM-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxyphenyl)-2-((2-methyl-3-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide
CAS 1173729-89-9C21H20N4O4S
![N-(2,4-Dimethoxyphenyl)-2-((8-methoxy-5H-pyrimido[5,4-b]indol-4-yl)thio)acetamide chemical structure, C21H20N4O4S, CAS 1116063-30-9](/s/CVQFMOVTOJWKSN-UHFFFAOYSA-N.svg)
N-(2,4-Dimethoxyphenyl)-2-((8-methoxy-5H-pyrimido[5,4-b]indol-4-yl)thio)acetamide
CAS 1116063-30-9C21H20N4O4S
![N-(3-Methoxyphenyl)-N-[(3-methoxyphenyl)methyl]-[1,2,4]triazolo[4,3-a]pyridine-6-sulfonamide chemical structure, C21H20N4O4S, CAS 1251678-40-6](/s/RCGZVPMSVHFAKJ-UHFFFAOYSA-N.svg)
N-(3-Methoxyphenyl)-N-[(3-methoxyphenyl)methyl]-[1,2,4]triazolo[4,3-a]pyridine-6-sulfonamide
CAS 1251678-40-6C21H20N4O4S
![2-(1,1-Dioxido-4-phenyl-3,4-dihydro-2H-pyrido[2,3-e][1,2,4]thiadiazin-2-yl)-N-(3-methoxyphenyl)acetamide chemical structure, C21H20N4O4S, CAS 1251679-56-7](/s/IWDMIHAVLPSDKV-UHFFFAOYSA-N.svg)
2-(1,1-Dioxido-4-phenyl-3,4-dihydro-2H-pyrido[2,3-e][1,2,4]thiadiazin-2-yl)-N-(3-methoxyphenyl)acetamide
CAS 1251679-56-7C21H20N4O4S
![Ethyl 4-({[(6-benzyl-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)sulfanyl]acetyl}amino)benzoate chemical structure, C21H20N4O4S, CAS 898612-26-5](/s/MYMFDGYVVUEHNY-UHFFFAOYSA-N.svg)
Ethyl 4-({[(6-benzyl-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)sulfanyl]acetyl}amino)benzoate
CAS 898612-26-5C21H20N4O4S
(E)-5-(4-Hydroxy-3-nitrobenzylidene)-2-(4-(o-tolyl)piperazin-1-yl)thiazol-4(5H)-one
CAS 612052-76-3C21H20N4O4S
(E)-5-(4-Hydroxy-3-nitrobenzylidene)-2-(4-(m-tolyl)piperazin-1-yl)thiazol-4(5H)-one
CAS 444009-12-5C21H20N4O4S
![(Z)-Methyl 2-((1-ethyl-1H-pyrazol-4-yl)methylene)-5-methyl-1-oxo-1,2,5,11-tetrahydro-5,11-methanobenzo[g]thiazolo[2,3-d][1,3,5]oxadiazocine-13-carboxylate chemical structure, C21H20N4O4S, CAS 1025568-70-0](/s/HNRXOMAKBFOTCZ-DHDCSXOGSA-N.svg)
(Z)-Methyl 2-((1-ethyl-1H-pyrazol-4-yl)methylene)-5-methyl-1-oxo-1,2,5,11-tetrahydro-5,11-methanobenzo[g]thiazolo[2,3-d][1,3,5]oxadiazocine-13-carboxylate
CAS 1025568-70-0C21H20N4O4S
![N-(2-Methoxy-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-3-methylbenzenesulfonamide chemical structure, C21H20N4O4S, CAS 953173-11-0](/s/VVSIBMNWLWPVQJ-UHFFFAOYSA-N.svg)
N-(2-Methoxy-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-3-methylbenzenesulfonamide
CAS 953173-11-0C21H20N4O4S
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-4-methyl-2-(3-(m-tolyl)ureido)thiazole-5-carboxamide chemical structure, C21H20N4O4S, CAS 941916-20-7](/s/MOOTUBPUDPUORP-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-4-methyl-2-(3-(m-tolyl)ureido)thiazole-5-carboxamide
CAS 941916-20-7C21H20N4O4S
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-4-methyl-2-(3-(p-tolyl)ureido)thiazole-5-carboxamide chemical structure, C21H20N4O4S, CAS 942010-78-8](/s/OWQXBUSBNMRFMT-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-4-methyl-2-(3-(p-tolyl)ureido)thiazole-5-carboxamide
CAS 942010-78-8C21H20N4O4S
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(2-(3-(m-tolyl)ureido)thiazol-4-yl)acetamide chemical structure, C21H20N4O4S, CAS 921466-30-0](/s/JRCRNJYWWZBNTI-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(2-(3-(m-tolyl)ureido)thiazol-4-yl)acetamide
CAS 921466-30-0C21H20N4O4S
![N-(4-(2-((4-(Dimethylamino)phenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C21H20N4O4S, CAS 921819-10-5](/s/NBGPPEYOYGJDOG-UHFFFAOYSA-N.svg)
N-(4-(2-((4-(Dimethylamino)phenyl)amino)-2-oxoethyl)thiazol-2-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 921819-10-5C21H20N4O4S
![(E)-N-(2-(2-(3,4-Dimethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-3-(furan-2-yl)acrylamide chemical structure, C21H20N4O4S, CAS 895450-05-2](/s/QBCZCTOGYOULKE-SOFGYWHQSA-N.svg)
(E)-N-(2-(2-(3,4-Dimethoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)-3-(furan-2-yl)acrylamide
CAS 895450-05-2C21H20N4O4S
![(E)-1-(4-(4-Methoxybenzo[d]thiazol-2-yl)piperazin-1-yl)-3-(3-nitrophenyl)prop-2-en-1-one chemical structure, C21H20N4O4S, CAS 897477-43-9](/s/AIRGAPHSRHBYPV-CMDGGOBGSA-N.svg)
(E)-1-(4-(4-Methoxybenzo[d]thiazol-2-yl)piperazin-1-yl)-3-(3-nitrophenyl)prop-2-en-1-one
CAS 897477-43-9C21H20N4O4S
- N1-(5,5-dioxido-2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-N2-(4-methylbenzyl)oxalamide899989-10-7C21H20N4O4S
- N1-benzyl-N2-(5,5-dioxido-2-(p-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)oxalamide899994-64-0C21H20N4O4S
- N1-benzyl-N2-(5,5-dioxido-2-(m-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)oxalamide899944-68-4C21H20N4O4S
- N-(4-(2-((4-Acetamidophenyl)amino)-2-oxoethyl)thiazol-2-yl)-4-methoxybenzamide921835-89-4C21H20N4O4S
- 2-(2,5-Dioxopyrrolidin-1-yl)-N-(4-methoxy-7-methylbenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)acetamide895428-47-4C21H20N4O4S
- N-(3-Acetylphenyl)-2-(2-(3-(2-methoxyphenyl)ureido)thiazol-4-yl)acetamide921475-95-8C21H20N4O4S
- 2-({[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-ethyl-3,4-dihydroquinazolin-4-one946215-22-1C21H20N4O4S
- N-(4-Carbamoylphenyl)-1-(1,1-dioxidotetrahydrothiophen-3-yl)-5-phenyl-1H-pyrazole-3-carboxamide1171901-84-0C21H20N4O4S
- 2-(1,1-Dioxido-4-phenyl-3,4-dihydro-2H-pyrido[2,3-e][1,2,4]thiadiazin-2-yl)-N-(4-methoxyphenyl)acetamide1251595-90-0C21H20N4O4S
- N-Cyclopropyl-4-({5-[(phenylsulfonyl)amino]pyridin-2-yl}oxy)benzamide1223943-66-5C21H20N4O4S
- [4-[(E)-2-Phenylethenyl]sulfonylpiperazin-1-yl]-(5-pyridin-3-yl-1,2-oxazol-3-yl)methanone1322937-47-2C21H20N4O4S
- N-[2-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)thiophen-3-yl]-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1795297-62-9C21H20N4O4S
- 3-(2-Oxo-2-(3-((3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)ethyl)benzo[d]oxazol-2(3H)-one1704651-48-8C21H20N4O4S
- 2-((4-(2,4-Dioxo-3-phenylimidazolidin-1-yl)piperidin-1-yl)sulfonyl)benzonitrile2034605-22-4C21H20N4O4S
- 3-Methyl-5-((4-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)sulfonyl)benzo[d]oxazol-2(3H)-one2034463-99-3C21H20N4O4S
- 3-Methyl-2-oxo-N-(2-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)phenyl)-2,3-dihydrobenzo[d]oxazole-5-sulfonamide2097902-82-2C21H20N4O4S
- N-(3-Acetylphenyl)-2-((6-(4-methoxybenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)acetamide905765-89-1C21H20N4O4S
- N-(4-Acetylphenyl)-2-((6-(4-methoxybenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)acetamide905765-37-9C21H20N4O4S
- 4-[(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl]-2-(2,5-dimethylphenyl)-1,1-dioxo-1lambda6,2,4-benzothiadiazin-3-one2640889-38-7C21H20N4O4S
- N-(4-Acetylphenyl)-4-[bis(2-cyanoethyl)sulfamoyl]benzamide313405-03-7C21H20N4O4S
- (Z)-1-(4-(4-Methoxybenzo[d]thiazol-2-yl)piperazin-1-yl)-3-(4-nitrophenyl)prop-2-en-1-one897477-83-7C21H20N4O4S
- 2-({[3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}sulfanyl)-3-ethyl-3,4-dihydroquinazolin-4-one946352-34-7C21H20N4O4S
- 2-{[1-(2,3-Dihydro-1-benzofuran-5-sulfonyl)azetidin-3-yl]methyl}-6-(pyridin-3-yl)-2,3-dihydropyridazin-3-one2198441-12-0C21H20N4O4S
- 2-{[1-(2,3-Dihydro-1-benzofuran-5-sulfonyl)azetidin-3-yl]methyl}-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one2199137-95-4C21H20N4O4S
- 3-[4-(2,4-Dioxo-3-phenylimidazolidin-1-yl)piperidin-1-yl]-1lambda6,2-benzothiazole-1,1-dione2549041-26-9C21H20N4O4S
- 4-[4-(2-Phenylethenesulfonyl)piperazine-1-carbonyl]-1,2-dihydrophthalazin-1-one741732-34-3C21H20N4O4S
- 5-Nitro-8-[4-(2-phenylethenesulfonyl)piperazin-1-yl]quinoline1007777-29-8C21H20N4O4S
- N-(3,4-Dimethoxyphenyl)-7-[4-(methylsulfonyl)phenyl]-7H-pyrrolo[2,3-d]pyrimidin-2-amine1180153-57-4C21H20N4O4S
- Ethyl 5-(3-benzoylthioureido)-1-(3-methoxyphenyl)-1H-pyrazole-4-carboxylate1044140-03-5C21H20N4O4S
- Ethyl 5-(3-benzoylthioureido)-1-(4-methoxyphenyl)-1H-pyrazole-4-carboxylate1044140-04-6C21H20N4O4S
- 1-(4-{[3-(2-Methyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]sulfonyl}phenyl)pyrrolidine-2,5-dione2380183-70-8C21H20N4O4S
- 1-[4-(1,3,4-Oxadiazol-2-yl)benzoyl]-4-(2-phenylethenesulfonyl)piperazine924721-48-2C21H20N4O4S
- 3-Methyl-5-{[4-(1,8-naphthyridin-2-yl)piperidin-1-yl]sulfonyl}-2,3-dihydro-1,3-benzoxazol-2-one2640892-70-0C21H20N4O4S
- N-{2-Hydroxy-2-[4-(1H-pyrazol-1-yl)phenyl]ethyl}-4-(2-methyl-1,3-oxazol-4-yl)benzene-1-sulfonamide2415566-32-2C21H20N4O4S
- 2-{[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-5-yl]sulfanyl}butanoic acid2243504-95-0C21H20N4O4S
Frequently asked questions
What is the molar mass of C21H20N4O4S?
The molar mass of C21H20N4O4S is 424.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 424.1205 Da.
How many compounds have the formula C21H20N4O4S?
CompoundList lists 159 compounds with the molecular formula C21H20N4O4S, including N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(3-nitrophenyl)ethanediamide, N-{2-[4-Methyl-2-(4-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(2-nitrophenyl)ethanediamide, N-{2-[4-Methyl-2-(3-methylphenyl)-1,3-thiazol-5-yl]ethyl}-N'-(3-nitrophenyl)ethanediamide. 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 C21H20N4O4S?
C21H20N4O4S 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.