CompoundList
Molecular formula

C21H28N4O3S

73 compounds have this formula on CompoundList.

Molar mass
416.54g/mol
Monoisotopic mass
416.1882Da
Atoms
57
Elements
5
Rings plus double bonds
10

The formula C21H28N4O3S describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 4 nitrogen atoms, 3 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 × 2160.55%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 286.78%
    1.008 × 28 = 28.224 g/mol
  • N Nitrogen × 413.45%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 311.52%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 17.70%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H28N4O3S

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 73 of 73 compounds

5H-Cyclopenta[4,5]thieno[2,3-d]pyrimidine-5-acetamide, 6,7-dihydro-4-[[trans-4-(4-morpholinyl)cyclohexyl]oxy]-, (5R)- chemical structure, C21H28N4O3S, CAS 1388894-17-4
5H-Cyclopenta[4,5]thieno[2,3-d]pyrimidine-5-acetamide, 6,7-dihydro-4-[[trans-4-(4-morpholinyl)cyclohexyl]oxy]-, (5R)-
CAS 1388894-17-4C21H28N4O3S
4-[2-[[4-(Furan-2-yl)-2,6-dioxocyclohexylidene]methylamino]ethyl]-N-prop-2-enylpiperazine-1-carbothioamide chemical structure, C21H28N4O3S, CAS 577990-19-3
4-[2-[[4-(Furan-2-yl)-2,6-dioxocyclohexylidene]methylamino]ethyl]-N-prop-2-enylpiperazine-1-carbothioamide
CAS 577990-19-3C21H28N4O3S
4-tert-Butyl-N-[[5-[2-(cyclopentylamino)-2-oxoethyl]sulfanyl-1,3,4-oxadiazol-2-yl]methyl]benzamide chemical structure, C21H28N4O3S, CAS 872613-76-8
4-tert-Butyl-N-[[5-[2-(cyclopentylamino)-2-oxoethyl]sulfanyl-1,3,4-oxadiazol-2-yl]methyl]benzamide
CAS 872613-76-8C21H28N4O3S
5-(8-Methoxy-4-oxo-2-sulfanylidene-1,5-dihydropyrimido[5,4-b]indol-3-yl)-N-(3-methylbutyl)pentanamide chemical structure, C21H28N4O3S, CAS 866340-31-0
5-(8-Methoxy-4-oxo-2-sulfanylidene-1,5-dihydropyrimido[5,4-b]indol-3-yl)-N-(3-methylbutyl)pentanamide
CAS 866340-31-0C21H28N4O3S
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(2-methoxyphenyl)acetamide chemical structure, C21H28N4O3S, CAS 899950-09-5
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(2-methoxyphenyl)acetamide
CAS 899950-09-5C21H28N4O3S
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(3-methoxyphenyl)acetamide chemical structure, C21H28N4O3S, CAS 899950-11-9
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(3-methoxyphenyl)acetamide
CAS 899950-11-9C21H28N4O3S
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(4-methoxyphenyl)acetamide chemical structure, C21H28N4O3S, CAS 899950-13-1
2-((1-(2-(Dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)-N-(4-methoxyphenyl)acetamide
CAS 899950-13-1C21H28N4O3S
N1-(2-(4-(dimethylamino)phenyl)-2-morpholinoethyl)-N2-(thiophen-2-ylmethyl)oxalamide chemical structure, C21H28N4O3S, CAS 941869-32-5
N1-(2-(4-(dimethylamino)phenyl)-2-morpholinoethyl)-N2-(thiophen-2-ylmethyl)oxalamide
CAS 941869-32-5C21H28N4O3S
N-(4-(N-(2-(4-Phenylpiperazin-1-yl)ethyl)sulfamoyl)phenyl)propionamide chemical structure, C21H28N4O3S, CAS 1049433-91-1
N-(4-(N-(2-(4-Phenylpiperazin-1-yl)ethyl)sulfamoyl)phenyl)propionamide
CAS 1049433-91-1C21H28N4O3S
4-(Dimethylsulfamoyl)-N-[2-(4-phenylpiperazin-1-yl)ethyl]benzamide chemical structure, C21H28N4O3S, CAS 1049445-01-3
4-(Dimethylsulfamoyl)-N-[2-(4-phenylpiperazin-1-yl)ethyl]benzamide
CAS 1049445-01-3C21H28N4O3S
N-(3-Methyl-4-(N-(2-(4-phenylpiperazin-1-yl)ethyl)sulfamoyl)phenyl)acetamide chemical structure, C21H28N4O3S, CAS 1049433-99-9
N-(3-Methyl-4-(N-(2-(4-phenylpiperazin-1-yl)ethyl)sulfamoyl)phenyl)acetamide
CAS 1049433-99-9C21H28N4O3S
1H-Indole-5-sulfonamide, 3-(5,7-dimethyl-6-oxo-1,3-diazatricyclo(3.3.1.1(sup 3,7))dec-2-yl)-N,N,1-trimethyl- chemical structure, C21H28N4O3S, CAS 134828-34-5
1H-Indole-5-sulfonamide, 3-(5,7-dimethyl-6-oxo-1,3-diazatricyclo(3.3.1.1(sup 3,7))dec-2-yl)-N,N,1-trimethyl-
CAS 134828-34-5C21H28N4O3S
4-Butyl-N-[4-(pyrimidin-2-ylsulfamoyl)phenyl]cyclohexanecarboxamide chemical structure, C21H28N4O3S, CAS 714262-19-8
4-Butyl-N-[4-(pyrimidin-2-ylsulfamoyl)phenyl]cyclohexanecarboxamide
CAS 714262-19-8C21H28N4O3S
2-[2-[2-(3-Methylpiperidin-1-yl)-2-oxoethyl]sulfanylbenzimidazol-1-yl]-1-morpholin-4-ylethanone chemical structure, C21H28N4O3S, CAS 606110-59-2
2-[2-[2-(3-Methylpiperidin-1-yl)-2-oxoethyl]sulfanylbenzimidazol-1-yl]-1-morpholin-4-ylethanone
CAS 606110-59-2C21H28N4O3S
1-(4-Methoxyphenyl)-4-[3-(piperidin-1-ylsulfonyl)pyridin-2-yl]piperazine chemical structure, C21H28N4O3S, CAS 1291836-88-8
1-(4-Methoxyphenyl)-4-[3-(piperidin-1-ylsulfonyl)pyridin-2-yl]piperazine
CAS 1291836-88-8C21H28N4O3S
N-(2-(5-methoxy-1H-indol-3-yl)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide chemical structure, C21H28N4O3S, CAS 2193462-87-0
N-(2-(5-methoxy-1H-indol-3-yl)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
CAS 2193462-87-0C21H28N4O3S
N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-[4-(tetrahydrofuran-2-ylcarbonyl)piperazin-1-yl]acetamide chemical structure, C21H28N4O3S, CAS 904751-37-7
N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-[4-(tetrahydrofuran-2-ylcarbonyl)piperazin-1-yl]acetamide
CAS 904751-37-7C21H28N4O3S
N'-[2-(2,4-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-N-(3-propan-2-yloxypropyl)oxamide chemical structure, C21H28N4O3S, CAS 899993-83-0
N'-[2-(2,4-Dimethylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-N-(3-propan-2-yloxypropyl)oxamide
CAS 899993-83-0C21H28N4O3S
4-Oxo-N-(3-(2-oxopyrrolidin-1-yl)propyl)-3-pentyl-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide chemical structure, C21H28N4O3S, CAS 362500-98-9
4-Oxo-N-(3-(2-oxopyrrolidin-1-yl)propyl)-3-pentyl-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 362500-98-9C21H28N4O3S
rel-N-(2-(5-Methoxy-1H-indol-3-yl)ethyl)-5-((3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide chemical structure, C21H28N4O3S
rel-N-(2-(5-Methoxy-1H-indol-3-yl)ethyl)-5-((3aR,4R,6aS)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
C21H28N4O3S
N-(2,2-Dimethoxyethyl)-5-isopropyl-2,2-dimethyl-2,4-dihydro-1H-pyrano[4'',3'':4',5']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-8-amine chemical structure, C21H28N4O3S, CAS 844465-23-2
N-(2,2-Dimethoxyethyl)-5-isopropyl-2,2-dimethyl-2,4-dihydro-1H-pyrano[4'',3'':4',5']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-8-amine
CAS 844465-23-2C21H28N4O3S
5-((4-Ethoxy-3-methoxyphenyl)(4-methylpiperidin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol chemical structure, C21H28N4O3S, CAS 869342-96-1
5-((4-Ethoxy-3-methoxyphenyl)(4-methylpiperidin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol
CAS 869342-96-1C21H28N4O3S
Ethyl 4-methyl-2-({[4-(2-methylbenzyl)piperazin-1-yl]acetyl}amino)-1,3-thiazole-5-carboxylate chemical structure, C21H28N4O3S, CAS 891744-60-8
Ethyl 4-methyl-2-({[4-(2-methylbenzyl)piperazin-1-yl]acetyl}amino)-1,3-thiazole-5-carboxylate
CAS 891744-60-8C21H28N4O3S
2-[(3-Methylphenyl)(methylsulfonyl)amino]-N-[4-(4-methyl-1-piperazinyl)phenyl]acetamide chemical structure, C21H28N4O3S, CAS 1242822-58-7
2-[(3-Methylphenyl)(methylsulfonyl)amino]-N-[4-(4-methyl-1-piperazinyl)phenyl]acetamide
CAS 1242822-58-7C21H28N4O3S

Frequently asked questions

What is the molar mass of C21H28N4O3S?

The molar mass of C21H28N4O3S is 416.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 416.1882 Da.

How many compounds have the formula C21H28N4O3S?

CompoundList lists 73 compounds with the molecular formula C21H28N4O3S, including 5H-Cyclopenta[4,5]thieno[2,3-d]pyrimidine-5-acetamide, 6,7-dihydro-4-[[trans-4-(4-morpholinyl)cyclohexyl]oxy]-, (5R)-, 4-[2-[[4-(Furan-2-yl)-2,6-dioxocyclohexylidene]methylamino]ethyl]-N-prop-2-enylpiperazine-1-carbothioamide, 4-tert-Butyl-N-[[5-[2-(cyclopentylamino)-2-oxoethyl]sulfanyl-1,3,4-oxadiazol-2-yl]methyl]benzamide. 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 C21H28N4O3S?

C21H28N4O3S has a degree of unsaturation of 10. 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.